Source: http://www.google.com/patents/US7154484?dq=6,073,142
Timestamp: 2014-12-21 17:30:02
Document Index: 192777306

Matched Legal Cases: ['arts 210', 'arts 230', 'art 220', 'art 220', 'arts 230', 'arts 230', 'art 220', 'art 210', 'art 230', 'art 230', 'application No. 2000']

Patent US7154484 - Recording medium, computer and method for selecting computer display items - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA recording medium, computer and method for displaying a selectable item on a computer display screen. The recording medium has a processing program that sequentially displays a selectable item from a sequence of items at a rate depending on the output from a controller which senses a pushing pressure...http://www.google.com/patents/US7154484?utm_source=gb-gplus-sharePatent US7154484 - Recording medium, computer and method for selecting computer display itemsAdvanced Patent SearchPublication numberUS7154484 B2Publication typeGrantApplication numberUS 10/640,418Publication dateDec 26, 2006Filing dateAug 13, 2003Priority dateJan 14, 2000Fee statusPaidAlso published asUS20040095313Publication number10640418, 640418, US 7154484 B2, US 7154484B2, US-B2-7154484, US7154484 B2, US7154484B2InventorsNobuhiro KomataOriginal AssigneeSony Computer Entertainment Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (32), Non-Patent Citations (2), Referenced by (3), Classifications (29), Legal Events (6) External Links: USPTO, USPTO Assignment, EspacenetRecording medium, computer and method for selecting computer display itemsUS 7154484 B2Abstract A recording medium, computer and method for displaying a selectable item on a computer display screen. The recording medium has a processing program that sequentially displays a selectable item from a sequence of items at a rate depending on the output from a controller which senses a pushing pressure of a user on a control element of the controller. The computer includes that controller, a display screen; a unit for determining a display rate based on a value of said pressure-sensing output, and a unit for sequentially displaying each of a plurality of items on the display screen as the selectable item at the display rate.
1. A method of sequentially displaying each of a plurality of items as a selectable item on a screen of a computer, said computer including a controller which has pressure-sensitive means, comprising the steps of:
acquiring a pressure-sensing output from said controller,
determining a display rate for sequentially displaying selectable items on the screen, said display rate being dependent on a value of said pressure-sensing output; and
sequentially displaying each of the plurality of items as the selectable item at the determined display rate;
wherein each of the plurality of items is associated with one of a plurality of ordered pointer values or one of a plurality of ordered index values, and
wherein the step of sequentially displaying each of the plurality of items as the selectable item further comprises the step of:
incrementing a current pointer value or a current index value to identify a next selectable item.
2. The method as claimed in claim 1, wherein at most one of the plurality of items is displayed on the screen as the selectable item at any point in time.
3. The method as claimed in claim 1, wherein more than one of the plurality of items is displayed on the screen at a point in time, and each of the displayed items is sequentially highlighted at the determined display rate as the selectable item.
4. The method as claimed in claim 3, wherein the selectable item is highlighted by a cursor.
5. The method as claimed in claim 1. wherein said determined display rate is proportional to the value of said pressure-sensing output.
6. The method as claimed in claim 5, wherein said determined display rate increases with an increase in the value of said pressure-sensing output.
7. The method as claimed in claim 5, wherein said determined display rate decreases with an increase in the value of said pressure-sensing output.
8. The method as claimed in claim 5, wherein said determined display rate decreases with a decrease in the value of said pressure-sensing output.
9. The method as claimed in claim 1, wherein said determined display rate is defined by a number of screen frames per second.
10. The method as claimed in claim 1, wherein the value of said pressure-sensing output determines an amount of time that a selectable item is displayed on said screen before a next sequentially displayed selectable item is displayed on said screen.
11. The method as claimed in claim 10, wherein the value of said pressure-sensing output further determines a number of selectable items that are sequentially displayed during a given time period.
12. The method as claimed in claim 1, wherein the current index value identifies an image to be displayed as the selectable item.
13. The method as claimed in claim 1, wherein the current pointer identifies a display position for highlighting a selectable item.
14. The method as claimed in claim 13, wherein the selectable item is highlighted by a cursor.
15. The method as claimed in claim 1, wherein said pressure-sensing output defines a number of pointer values or a number of index values to be incremented during a given time period.
16. The method as claimed in claim 1, wherein said pressure-sensing output determines a last pointer value or a last index value to applied during a given time period.
17. The method as claimed in claim 2, wherein each sequentially displayed selectable item is displayed at the same location on the screen.
18. The method as claimed in claim 1, further comprising the step of:
selecting a displayed selectable item.
wherein said pressure sensitive means from said controller further comprises a first pressure sensitive member and a second switch member,
wherein said determined display rate is dependent on an output from said first pressure sensitive member, and
wherein said displayed selectable item is selected in response to an output from said second switch member.
20. A recording medium on which is recorded a computer-readable and executable software program that performs processing by taking as instructions an output from a controller of a computer, said controller having pressure-sensitive means for sensing a pushing pressure of a user of the computer on the controller in order to generate the output from said controller, wherein said software program comprises:
a processing program that sequentially displays each of a plurality of items as a selectable item on a screen of The computer by:
acquiring a pressure-sensing output from said controller;
determining a display rate for sequentially displaying selectable items on the screen, said display rate being dependent on said pressure-sensing output; and
a controller having pressure-sensitive means for sensing a pushing pressure of a user on the controller and generating a pressure sensing output;
means for monitoring the pressure-sensing output from the controller;
means for determining a display rate for sequentially displaying selectable items on the display screen, said display rate being dependent on a value of said pressure-sensing output; and
means for sequentially displaying each of the plurality of items on the display screen as the selectable item at the determined display rate;
22. The computer as claimed in claim 20, wherein said pressure sensitive means from said controller includes a first pressure sensitive member and a second switch member, and said means for determining a display rate is dependent on an output from said first pressure sensitive member, the computer further including:
means for detecting an output from said second switch member; and
means for selecting a displayed selectable item by detecting an output from said second switch member.
selecting each selectable item makes a connection to a target including one of a program command, file, web address, and mail address; and
each selectable item is associated with a different target than each other selectable item.
CROSS-REFERENCE TO RELATED APPLICATION The present application is a continuation-in-part of and claims priority under 35 U.S.C. � 120 from U.S. patent application Ser. No. 09/757,815, which was filed on Jan. 10, 2001 now abandoned, and from U.S. patent application Ser. No. 09/758,031, which was filed on Jan. 10, 2001 now abandoned. The disclosures of U.S. patent application Ser. Nos. 09/757,815 and 09/758,031 are hereby incorporated by reference.
FIELD OF THE INVENTION This invention relates to a recording medium, computer and method for selecting computer display items intended to make the selection and entry of items by pushing cursor keys, return keys or other simple on/off switches by a user an easy-to-use interface for users.
BACKGROUND OF THE INVENTION Among the methods of selecting and entering a desired item from a menu displayed upon a screen of a computer or a TV monitor, a basic method is the method typically adopted in computers. By this method, cursor keys are pushed by the user the same number of times as the number of items before the destination item, and when the cursor reaches the intended item, the return key is pushed to select and enter the intended item.
So-called pressure-sensitive type controllers may be used as input devices for computers, and as input devices for entertainment systems represented by game machines, for example. When pressure is applied with a finger of a user directly to a control element connected to a pressure-sensitive device of the controller, the pushing pressure is represented at an output as a pressure-sensing value. A specific example thereof is, for example, a pressure-sensitive type controller disclosed in the publication of examined Japanese utility model application No. JP-B-H1-40545, wherein a pressure-sensitive output is provided as an input to a VCO (variable control oscillator), and the output of the VCO is used to direct a repeated fire in a game.
SUMMARY OF THE INVENTION It is an object of the present invention to make the selecting and entering of items by pushing cursor keys, return keys or other simple on/off switches an easier-to-use interface for users.
This and other objects of the present invention are attained by a disclosed method, computer and recording medium on which is recorded a computer-readable and executable software program that performs processing by: a) acquiring a pressure-sensing output from a controller having pressure sensitive means; b) determining a display rate for sequentially displaying selectable items on the screen, said display rate being dependent on a value of said pressure-sensing output; and c) sequentially displaying each of the plurality of items as the selectable item at the determined display rate.
A computer according to this invention comprises: a) a controller having pressure-sensitive means for sensing a pushing pressure of a user on the controller and generating a pressure sensing output, b) a display screen, c) means for monitoring the pressure-sensing output from the controller, d) means for determining a display rate for sequentially displaying selectable items on the display screen, said display rate being dependent on a value of said pressure-sensing output, and e) means for sequentially displaying each of the plurality of items on the display screen as the selectable item at the determined display rate.
A method of sequentially displaying each of a plurality of items as a selectable item on a screen of a computer according to this invention includes the steps of: a) acquiring a pressure-sensing output from a controller, said computer including the controller which has pressure-sensitive means, b) determining a display rate for sequentially displaying selectable items on the screen, said display rate being dependent on a value of said pressure-sensing output, and c) sequentially displaying each of the plurality of items as the selectable item at the determined display rate.
FIG. 1 is a schematic diagram of connecting an entertainment system to a TV monitor;
FIGS. 2A-2C illustrate a display on which different items are displayed by operating a controller of the computer;
FIGS. 2D, 2E illustrate a display on which are positioned a menu and a cursor;
FIG. 3 is a table for selecting the number of frames depending on a pressure-sensed value;
FIG. 4 is a table for making index numbers correspond to display items;
FIGS. 5A, 5B are flowcharts showing the processing of a program used for respectively displaying items and moving a cursor;
FIG. 7 is a block diagram showing the entertainment system;
FIG. 8 is a top view of the controller;
FIG. 9 is an exploded perspective view of an embodiment of the second control part of the controller;
FIGS. 10A-10C are cross-sectional views of the second control part of the controller of FIG. 9;
FIG. 11 is a diagram showing an equivalent circuit for a pressure-sensitive device of the controller;
FIG. 13 is an exploded perspective view of an embodiment of the first control part of the controller;
FIG. 14 is a cross sectional view of the first control part of the controller of FIG. 13;
FIG. 17 is a block diagram showing the overall constitution including the resistor;
FIG. 18 is an exploded perspective drawing view of the third control part of the controller.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 shows an example of connecting a controller to an entertainment system 500 to enable a user to enjoy game software or video. A perspective view of an associated structure for entertainment system 500 is shown, for example, in FIG. 6.
As shown in FIG. 1, a controller 200 which has buttons (control elements) connected to pressure-sensitive devices is connected to entertainment system 500 used for playing games or enjoying DVD video or other types of video images, and video output terminals of entertainment system 500 are connected to a television monitor 408. Here, the analog output from the pressure-sensitive devices is converted by an A/D converter in controller 200 to digital values in the range 0�255 and provided to the entertainment system 500.
With reference to FIGS. 2�5, processes for displaying items and moving a cursor by the operation of a pressure-sensitive button of controller 200 will be described in detail. As shown in FIGS. 2A�2C, illustrating a process for displaying an item, different items are displayed one at a time in order. At a certain point in time, as shown in FIG. 2A, the item 21 �XXXXXXXX� is displayed. At a subsequent point in time, as shown in FIG. 2B, the item 22 �YYYYYYYY� is displayed. Moreover, at a further subsequent point in time, as shown in FIG. 2C, the item 23 �ZZZZZZZZ� is displayed.
For example, in order to select items to be displayed upon the screen of a personal computer or video game machine, it is conventionally necessary to push an on/off switch repeatedly a number of times equal to the number of items the cursor is to cross in order to select a desired item. In this case, a method is adopted whereby each of a plurality of items for display is first displayed simultaneously, and then one of the plurality of items is selected with a cursor Ca and then entered.
In contrast, according to the present invention, items prepared in advance are automatically displayed sequentially in the same region on the screen of the monitor at a rate depending on the magnitude of the pressure-sense value from a pressure-sensitive controller.
As shown in FIGS. 2D�2E, illustrating a process for moving a cursor, in order to select one item from a plurality of items H1 through H5 in a menu, the cursor Ca must be moved to select one of the items H1 through H5.
In the display shown in FIG. 2D, the cursor Ca lies upon item H1, but if it is moved by three items in the direction of the arrow, the cursor Ca will move to lie upon item H4 as in the display shown in FIG. 2E, so that item H4 is selected. For example, in order to select items displayed upon the screen of a personal computer or video game machine, it is conventionally necessary to push an on/off switch repeatedly a number of times equal to the number of items the cursor is to cross.
According to the present invention, the cursor Ca is moved automatically at a rate depending on the magnitude of the pressure-sensing value from the pressure-sensitive controller. It is noted that the same applies to the case wherein there is no cursor Ca. To wit, the same applies if the selected item is put into an alternate display (for example, if the selected item is highlighted).
FIG. 3 shows a table used to select the amount of time per unit movement, namely the number of frames Ft, for each of the pressure-sensing values 0�255. Here, a pressure-sensing value of �0� corresponds to a unit-movement number of frames Ft of �0 frames,� a pressure-sensing value of �1� corresponds to a unit-movement number of frames Ft of �255 frames,� . . . , and a pressure-sensing value of �255� corresponds to a unit-movement number of frames Ft of �1frame.� Note that this pressure-sensing value-movement number of frames conversion table is merely an illustration, so naturally other conversion tables may also be adopted, such as one wherein the unit-movement number of frames decreases as the pressure-sensing value increases, for example.
In addition, FIG. 4 shows a table wherein the index numbers IN0 through INmax correspond to the items �XXXXXXXX� through �WWWWWWWW� of FIGS. 2A�2C, respectively.
FIG. 5A shows the flowchart of the method of displaying items sequentially at a rate depending on the pressure-sensed value. The flowchart of FIG. 5A illustrates the processing of a program used for item display, and this program may be supplied either recorded alone on an optical disc or other recording medium, or recorded on the recording medium together with the game software as part of the game software.
This program is run by the entertainment system 500 and executed by its CPU. The meaning of supplying these programs recorded individually on a recording medium has the meaning of preparing them in advance as a library for software development. As is common knowledge, at the time of developing software, writing all functions requires an enormous amount of time. However, if the software functions are divided into single functions, for example, for moving objects and the like, they can used commonly by various types of software, so more functions can be included.
In Step S1, a pressure-sense value is acquired, and in Step S2 a decision is made as to whether or not the pressure-sensing value thus acquired is more than a stipulated amount below the pressure-sense value acquired previously, and if �YES� then control moves to Step S3 where the number of frames data Ft corresponding to the pressure-sensing value is read from the table shown in FIG. 3.
Here, we shall assume that the stipulated amount is 100, for example. Giving such a large difference means that the strength of pushing, namely the pressure-sense value, will have been greatly decreased, so this difference is transmitted to the entertainment system 500 as the will of the user to make a decision. If the aforementioned stipulated amount is set too small, the user may accidentally enter a displayed item if the user slightly lessens the pressing force on the button by a user as when distracted.
If a decision of �NO� results in Step S2, then control moves to Step S12 and the currently displayed item is set, and in the subsequent Step S13 the index number IN is set to 1 and initialized.
In Step S3, the number of frames data Ft corresponding to the pressure-sense value is read from the table. In Step S4, the number of frames FN is incremented by 1, and in Step S5, a decision is made as to whether the number of frames FN is greater than the number of frames Ft read from the table, and if �YES� then control processing moves to Step S6, but if �NO� then control processing moves back to Step S4. The meaning of the processing of this Step S4 is to increment the number of frames FN used for counting up to the number of frames Ft read from the table. The incrementing may be performed once every frame, for example. During this period, the image stored in the video memory of the entertainment system 500 will continue to be displayed. Thus, the same image is displayed for the number of frames corresponding to Ft. Namely, the same item continues to be displayed.
In Step S6, the number of frames FN is set to 0, and in Step S7 the index number IN indicating the item is incremented by 1.
In Step S8, the item corresponding to the index number IN is read from the table shown in FIG. 4.
In Step S9, an image showing the item indicated by the index number IN is overwritten upon a stipulated position in video memory, namely the position corresponding to the item display. The image thus updated is displayed on the television monitor 408.
In Step S10, a decision is made as to whether or not the index number IN is greater than the value of the maximum value INmax, and if �YES� then control processing moves to Step S11 where the index number IN is set to 1 and initialized, but if �NO� then control moves back to Step S1.
As described above, in this embodiment, items are displayed one at a time at a rate depending on the pressure-sense value, so it is possible to provide a system with a user interface that is improved in comparison to selection with a simple ON/OFF switch.
It is noted that while the aforementioned example was described regarding the case wherein the displayed item is entered when the pressure-sensing value is more than a stipulated amount less than the previous pressure-sense value, the item may also be entered when a different button of the controller 200 is pressed.
In addition, it is also possible to find the percent change from the previous pressure-sense value to the current pressure-sense value and display an item depending on this percent change. For example, if the previous pressure-sense value is 100 and the current pressure-sense value is 50, then the percent change is 50%, so it is sufficient for the number of frames to be set to twice the previous number of frames.
It is also possible to use a table opposite the table displayed in FIG. 3, namely a table wherein a large number of frames is allocated to low pressure-sense values, so the higher the pressure-sense value, the longer the time until the next item is displayed becomes.
FIG. 5B illustrates the processing of a program for item selection. In FIG. 5B, in Step S51, a pressure-sensing value which is the pushing pressure of the user or operator is acquired, and in Step S52 a decision is made as to whether or not the pressure-sensing value is nonzero, and if �YES� then control processing moves to Step S53 where the number of frames data Ft corresponding to the pressure-sensing value is read from the table shown in FIG. 3.
If a decision of �NO� results in Step S52, then control processing moves to Step S62 where a decision is made as to whether or not the user has confirmed that the currently selected item is to be entered, and if �YES� then control processing moves to Step S60, but if �NO� then control processing moves back to Step S51. The button used for entry may be an ON/OFF switch of the controller 200 or a button connected to the pressure-sensitive device.
In Step S53, the number of frames data Ft corresponding to the pressure-sensing value is read from the table. In Step S54, the number of frames FN is incremented by 1, and in Step S55, a decision is made as to whether the number of frames FN is greater than the number of frames Ft read from the table, and if �YES� then control processing moves to Step S56, but if �NO� then control processing moves back to Step S54.
The meaning of the processing of Step S54 is to increment the number of frames FN used for counting up to the number of frames Ft read from the table. The incrementing may be performed once every frame, for example. During this period, the image stored in the video memory of the entertainment system 500 will continue to be displayed. Thus, the same image is displayed for the number of frames corresponding to Ft.
In Step S56, the number of frames FN is set to 0, and in Step S57 the address pointer AP which indicates the various items within the table is incremented by 1. In Step S58 a cursor image is overwritten to the position in video memory corresponding to the address pointer AP, namely to the position of the corresponding item. The image thus updated is displayed upon the television monitor 408.
In Step S59, a decision of whether to enter the item or not is made, and if �YES� then control processing moves to Step S60, but if �NO� then control processing moves back to Step S1. The decision of whether to enter the item or not in Step S59 is the same as that in Step S62.
In Step S61, the address pointer AP is set to 1 and thus initialized for the next item selection.
As described above, in this embodiment, the selection of items within a menu is performed depending on the pressure-sensing value, so it is possible to improve the user interface compared to selection with a simple on/off switch.
It should be noted that it is also possible to find the percent change from the previous pressure-sensing value to the current pressure-sense value and display an item depending on this percent change. For example, if the previous pressure-sensing value is 100 and the current pressure-sensing value is 50, then the percent change is 50%, so it is sufficient for the number of frames to be set to twice the previous number of frames.
In addition, it is possible to use a table opposite the table displayed in FIG. 3, namely a table wherein a large number of frames is allocated to low pressure-sensing values, so the higher the pressure-sense value, the longer the time for unit movement of the cursor becomes.
In addition, the subject of selection is not limited to items within a menu. For example, an icon or mail address or the like may also be selected depending on the pressure-sensing value. By specifying a certain icon, it is possible to select a program, command, file or the like associated with that icon. In addition, by specifying a mail address, it is possible to select a specific home page on the World Wide Web on the Internet or the like associated with that mail address.
Icons, mail addresses or the like may be specified by using the pressure-sensitive controller to specify icons, mail addresses or the like appearing in order on the monitor, or by using the pressure-sensitive controller to specify icons, mail addresses or the like that are highlighted in order on the monitor.
FIG. 6 is a perspective view showing the controller 200 connected to entertainment system 500. The controller 200 is removably connected to the entertainment system 500, and the entertainment system 500 is connected to television monitor 408.
The entertainment system 500 reads the program for a computer game from recording media upon which that program is recorded and by executing the program, displays characters on the television monitor 408. The entertainment system 500 has various built-in functions for DVD (Digital Versatile Disc) playback, CDDA (compact disc digital audio) playback and the like. The signals from the controller 200 are also processed as one of the aforementioned control functions within the entertainment system 500, and the content thereof may be reflected in the movement of characters and the like, on the television monitor 408.
While this depends also on the content of the computer game program, controller 200 may be allocated functions for moving the characters display on the television monitor 408 in the directions up, down, left or right.
A CPU 401 is connected to RAM 402 and a bus 403, respectively. Connected to bus 403 are a graphics processor unit (GPU) 404 and an input/output processor (I/O) 409, respectively. The GPU 404 is connected via an encoder 407 for converting a digital RGB signal or the like into the NTSC standard television format, for example, to a television monitor (TV) 408 as a peripheral. Connected to the I/O 409 are a driver (DRV) 410 used for the playback and decoding of data recorded upon an optical disc 411, a sound processor (SP) 412, an external memory 415 consisting of flash memory, controller 200 and a ROM 416 which records the operating system and the like. The SP 412 is connected via an amplifier 413 to a speaker 414 as a peripheral.
Here, the external memory 415 may be a card-type memory consisting of a CPU or a gate array and flash memory, which is removably connected via a connector 511 to the entertainment system 500 shown in FIG. 6. The controller 200 is configured such that, when a plurality of buttons provided thereupon are pushed, it gives instructions to the entertainment system 500. In addition, the driver 410 is provided with a decoder for decoding images encoded based upon the MPEG standard.
FIG. 8 is a top view of controller 200. The controller 200 includes a unit body 201 on the top surface of which are provided first and second control parts 210 and 220, and on the side surface of which are provided third and fourth control parts 230 and 240 of the controller 200.
The second control part 220 is provided with four cylindrical control buttons 221 (control elements) for pushing control. The individual control buttons 221 have identifying marks such as �∘� (circle), �□� (cross), �□� (triangle) and �□� (quadrangle) on their tops, in order to easily identify the individual control buttons 221. The functions of the second control part 220 are set by the game program recorded upon the optical disc 411, and the individual control buttons 221 may be allocated functions that change the state of the game characters, for example.
The third and fourth control parts 230 and 240 of the controller have nearly the same structure, and both are provided with two control buttons 231 and 241 (control elements) for pushing control, arranged above and below. The functions of these third and fourth control parts 230 and 240 are also set by the game program recorded upon the optical disc, and may be allocated functions for making the game characters do special actions, for example.
Controller 200 is held by the left hand and the right hand of the user and is operated by the other fingers of the user, and in particular the user's thumbs are able to operate most of the buttons on the top surface.
FIG. 9 and FIGS. 10A�10C are, respectively, an exploded respective view and cross-sectional views showing the second control part of the controller.
On the other hand, when the pushing pressure on the control buttons 221 is released, the flexed inclined-surface portions of elastic areas 222 a elastically return to their original shape, pushing up the control buttons 221. The elastic body 222 functions as a spring means whereby control buttons 221 which had been pushed in by a pushing action are returned to their original positions. As shown in FIGS. 10A�10C, conducting members 50 are attached to the rear surface of the elastic body 222.
To describe this in more detail, as shown in FIGS. 10A�10C, the second control part 220 is provided with control buttons 221 as control elements, an elastic body 222, conducting members 50 and resistors 40. Each conducting member 50 may be made of conductive rubber which has elasticity, for example, and has a conical shape with its center as a vertex. The conducting members 50 are adhered to the inside of the top surface of the elastic areas 222 a formed in the elastic body 222.
In addition, the resistors 40 may be provided on an internal board 204, for example, opposite the conducting members 50, so that the conducting members 50 come into contact with resistors 40 together with the pushing action of the control buttons 221. The conducting member 50 deforms, depending on the pushing force on the control button 221 (namely the contact pressure with the resistor 40), so as shown in FIGS. 10B and 10C, the surface area in contact with the resistor 40 varies depending on the pressure. To wit, when the pressing force on the control button 221 is weak, as shown in FIG. 10B, only the area near the conical tip of the conducting member 50 is in contact. As the pressing force on the control button 221 becomes stronger, the tip of the conducting member 50 deforms gradually so the surface area in contact expands.
FIG. 11 shows an equivalent circuit for a pressure-sensitive device consisting of a resistor 40 and conducting member 50. As shown in this diagram, the pressure-sensitive device is inserted in series in a power supply line 13, where the voltage Vcc is applied between the electrodes 40 a and 40 b. As shown in this diagram, the pressure-sensitive device is divided into a variable resistor 42 that has the relatively small resistance value of the conducting member 50, and a fixed resistor 41 that has the relatively large resistance value of the resistor 40. Among these, the portion of the variable resistor 42 is equivalent to the portion of resistance in the contact between the resistor 40 and the conducting member 50, so the resistance value of the pressure-sensitive device varies depending on the surface area of contact with the conducting member 50.
When the conducting member 50 comes into contact with the resistor 40, in the portion of contact, the conducting member 50 becomes a bridge instead of the resistor 40 and a current flows, so the resistance value becomes smaller in the portion of contact. Therefore, the greater the surface area of contact between the resistor 40 and conducting member 50, the lower the resistance value of the pressure-sensitive device becomes. In this manner, the entire pressure-sensitive device can be understood to be a variable resistor. It should be noted that FIGS. 10A�10C show only the contact portion between the conducting member 50 and resistor 40 which forms the variable resistor 42 of FIG. 11, but the fixed resistor 41 of FIG. 12 is omitted from FIG. 15.
In the preferred embodiment, an output terminal is provided near the boundary between the variable resistor 42 and fixed resistor 41, namely near the intermediate point of the resistors 40, and thus a voltage stepped down from the applied voltage Vcc by the amount the variable resistance is extracted as an analog signal corresponding to the pushing pressure of the user on the control button 221.
First, since a voltage is applied to the resistor 40 when the power is turned on, even if the control button 221 is not pressed, a fixed analog signal (voltage) Vmin is provided as the output from the output terminal 40 c. Next, even if the control button 221 is pressed, the resistance value of this resistor 40 does not change until the conducting member 50 contacts the resistor 40, so the output from the resistor 40 remains unchanged at Vmin. If the control button 221 is pushed further and the conducting member 50 comes into contact with the resistor 40, the surface area of contact between the conducting member 50 and the resistor 40 increases in response to the pushing pressure on the control button 221, and thus the resistance of the resistor 40 is reduced so the analog signal (voltage) output from the output terminal 40 c of the resistor 40 increases. Furthermore, the analog signal (voltage) output form the output terminal 40 c of the resistor 40 reaches the maximum Vmax when the conducting member 50 is most deformed.
An MPU 14 mounted on the internal board of the controller 200 is provided with a switch 18, an A/D converter 16 and two vibration generation systems. The analog signal (voltage) output from the output terminal 40 c of the resistor 40 is provided as the input to the A/D converter 16 and is converted to a digital signal.
FIGS. 13 and 14 show an embodiment of the configuration of the first control part of the controller.
The overall structure of the first control part 210 has already been made public knowledge in the publication of unexamined Japanese patent application No. JP-A-H8-163672. The control unit 211, however, uses a hemispherical projection 212 a formed in the center of the spacer 212 as a fulcrum, and the individual control keys 211 a (control elements) are assembled such that they can push on the resistor 40 side (see FIG. 14).
FIG. 15 is a diagram showing the circuit configuration of the resistor. As shown in this diagram, the resistor 40 is inserted in series in a power supply line 13, where a voltage is applied between the electrodes 40 a and 40 b. The resistance of this resistor 40 is illustrated schematically, as shown in this diagram; the resistor 40 is divided into first and second variable resistors 43 and 44. Among these, the portion of the first variable resistor 43 is in contact, respectively, with the conducting member 50 that moves together with the control key (up directional key) 211 a for moving the character in the up direction, and with the conducting member 50 that moves together with the control key (left directional key) 211 a for moving the character in the left direction, so its resistance value varies depending on the surface area in contact with these conducting members 50.
V=V cc �R2/(R1+R2)
First, since a voltage is applied to the resistor 40 when the power is turned on, even if the individual control keys 211 a of the control unit 211 are not pressed, a fixed analog signal (voltage) V0 is provided as output form the output terminal 40 c (at position 0 in the graph).
Next, even if one of the individual control keys 221 a is pressed, the resistance value of this resistor 40 does not change until the conducting member 50 contacts the resistor 40, and the output from the resistor 40 remains unchanged at V0.
On the other hand, if the down-directional key or right-directional key is pushed until the conducting member 50 comes into contact with the second variable resistor 44 portion of the resistor 40 (at position r in the graph), thereafter the surface area of contact between the conducting member 50 and the second variable resistor 44 portion increases in response to the pushing pressure on the control key 211 a (control elements), and thus the resistance of that portion is reduced, and as a result, the analog signal (voltage) output from the output terminal 40 c of the resistor 40 decreases.
Furthermore, the analog signal (voltage) output form the output terminal 40 c of the resistor 40 reaches the minimum Vmin when the conducting member 50 is most deformed (at position s in the graph).
The third control part 230 consists of two control buttons 231, a spacer 232 for positioning these control buttons 231 within the interior of the controller 200, a holder 233 that supports these control buttons 231, an elastic body 234 and an internal board 235, having a structure wherein resistors 40 are attached to appropriate locations upon the internal board 235 and conducting members 50 are attached to the rear surface of the elastic body 234.
The overall structure of the third control part 230 also already has been made public knowledge in the publication of unexamined Japanese patent application No. JP-A-H8-163672, so a detailed description thereof will be omitted. The individual control buttons 231 can be pushed in while being guided by the spacer 232, the pushing pressure when pressed acts via the elastic body 234 on the pressure-sensitive device consisting of a conducting member 50 and resistor 40. The electrical resistance value of the pressure-sensitive device varies depending on the magnitude of the pushing pressure it receives.
In the aforementioned description, flowchart for displaying items are shown in FIGS. 5A, 5B. This program may be supplied either recorded alone upon an optical disc or other recording medium, or recorded upon said recording medium together with the game software as part of the game software.
This program is run by the entertainment system 500 and executed by its CPU. The meaning of supplying this program for item selection recorded individually on a recording medium has the meaning of preparing them in advance as a library for software development. As is common knowledge, at the time of developing software, writing all functions requires an enormous amount of time.
However, if the software functions are divided by the type of function, for example, for moving objects and the like, they can be used commonly by various types of software, so more functions can be included.
While an embodiment was described above, the present invention may also assume the following alternative embodiment. In the embodiment described, the pressure-sensing value as pushed by the user is used as is. However, in order to correct for differences in the body weights of users or differences in how good their reflexes are, it is possible to correct the maximum value of the user pressure-sensing value to the maximum game pressure-sensing value set by the program, and intermediate values may be corrected proportionally and used. This type of correction is performed by preparing a correction table. In addition, the user pressure-sensing value can be corrected based upon a known function. Moreover, the maximum value of the user pressure-sensing value rate of change may be corrected to the maximum game pressure-sensing value rate of change set in the program, and intermediate values can be proportionally corrected and used. For more details about this method, refer to the present inventors' Japanese patent application No. 2000-40257 and the corresponding PCT application JP/(Applicant's file reference No. SC00097WO00).
The recording medium, computer and method of selecting computer display items according to this invention permits the selection and entry of an item by the pushing of cursor keys, return keys or other simple ON/OFF switches to be made an easier-to-use interface for the user.
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