baber/WOPTO huggingface dataset:
Patent JP-S5860270-A (JP)
Title: Semiconductor device measuring apparatus
Inventor: HANAYAMA SHINICHI
IPC: G01R31/26
Filed: 1981-10-06
Abstract: PURPOSE:To achieve an accurate measurement at a high efficiency by combining a method of preventing the generation of noise as much as possible in the measurement of a withstanding voltage waveforms of a semiconductor and a mechanism of minimizing effect on the determination of external noises. CONSTITUTION:A withstanding voltage detection circuit section 10 is so arranged that outputs of a first amplifier 3 are inputted into a semiconductor 6 to be measured via a detection resitance RM5 and a withstanding voltage value VR is detected at the output terminal of a fourth amplifier 9 with the input thereof receiving amplification outputs of second and third amplifiers 7 and 8. A fifth amplifier 11 having the output of the semiconductor device 6 to be measured as input detects current. In a selection circuit section 20, the maximum value of the voltage of a fifth amplifier 11 is held with a hold circuit 17 having an analog-digital conversion function and signals thereof are sent to a counter 1 while the voltage is compared with the output of rated withstanding voltage value output section 18 as predetermined for the semiconductor being measured by means of a comparator 19, from which output signals are applied to the counter 1. A memory circuit section for memorizing a withstanding voltage value, a section for reading out withstanding voltage values and a data detection section are provided.
Patent JP-H055653-A (JP)
Title: Photodetector
Inventor: MASUDA YOSHIFUMI
IPC: H01L31/10
Filed: 1991-06-28
Abstract: PURPOSE:To easily measure the hysteresis characteristics of a photodetector having a hysteresis circuit. CONSTITUTION:The constant current I0 flowing to a hysteresis circuit is measured at a terminal A. When a current of 1/2 I0 is injected in a terminal B in such a state that no light is inputted, the ratio of the currents flowing to NPN transistors Q13, Q14 becomes 1:2 and the output of a comparator 8 is reversed. In the same way, when a current of 1/4 I0 is injected from the terminal B in such a state that no light is inputted, the ratio of the currents flowing to NPN transistors Q15, Q16 becomes 2:3 and the output of the comparator 8 is reversed. By this constitution, a predetermined current is supplied from the terminal B and a test can be executed on the basis of the presence of reversal.
Patent JP-S5491652-A (JP)
Title: Radial type roller bearing
Inventor: MAEDA OSAMU
IPC: F16C19/00
Filed: 1977-12-29
Abstract: PURPOSE: To obtain such contact surface pressures between roller surfaces and a track surface that are required for rollers to effect regular rolling movements by constituting a roller bearing such that the track surface is disposed slightly eccetrically relative to a fitting surface of a fixed wheel.  
     CONSTITUTION: In case of a rotary inner wheel, a track surface 11' of an outer wheel is disposed slightly eccentrically a relative to an outer periphery of the outer wheel 11. By such constitution with a mounting similar to that of a conventional bearing, the axis is disposed eccentrically of itself thereby to forcibly deflect the shaft. Accordingly, load distribution of the bearing is expanded, thereby preventing sticking of the bearing. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H0211278-A (JP)
Title: Method for squeezing and thinning superposed weld zone of sheet metal strips
Inventor: MURAMOTO YU
IPC: B23K11/06
Filed: 1988-06-28
Abstract: PURPOSE:To squeeze and thin a superposed weld zone of sheet steel strips uniformly without abuses such as tearing-off by driving to rotate each roller of a couple of rollers and squeezing and thinning extending over the entire area of sheet width by one stage from one end part to the other end part of the superposed weld zone of the sheet steel strips. CONSTITUTION:The rollers 4 and 5 for squeezing and thinning start to move to the right with a slight time lag for starting welding with respect to the superposed weld zone of the sheet steel strips 1 and 2. At this time, the rollers 4 and 5 for squeezing and thinning are loaded with depressing force and rotated by driving forces 8 and 9 while being brought into contact with each other at the outside from the sheet steel strips. While being depressed and rotated, the couple of rollers 4 and 5 are moved up the stopping position A from the left to the right on the superposed weld zone of the sheet steel strips. The loads of cylinders 6 and 7 are then released and a gap between the rollers 4 and 5 is extended over the sheet thickness of the weld zone and then, the rollers 4 and 5 are moved to the left up to the stopping position B on the left and stand ready for next actions.
Patent JP-H061015-A (JP)
Title: Printer
Inventor: YAMADA KIYOSHI
IPC: B41J29/13
Filed: 1992-06-17
Abstract: PURPOSE:To provide a printer with a sheet limit component not disturbing the sheet setting. CONSTITUTION:A printer is provided with an operation opening 3 for setting a sheet 2 from outside and formed on one side face of a first printer main body 1, a cover 4 for opening and closing the operation opening 3 and a sheet limit component 6 for limiting the sheet 2 in a space available for EOF sensor disposed on one side face side of a sheet passage 5 in the operation opening 3, and the sheet limit component 6 is formed movably all over the operation position of the sheet passage 5 on one side face side to the evacuating position of the sheet passage 5 on the side edge.
Patent JP-S6220374-A (JP)
Title: Semiconductor integrated circuit device
Inventor: TAKAMATSU AKIRA
IPC: H01L21/28
Filed: 1985-07-19
Abstract: PURPOSE:To improve the mechanical and electric reliability of a conductor layer, by providing a protecting film formed in a plasma atmosphere on the surface of a high melting point metal silicide film. CONSTITUTION:A MISFETQ in an LDD structure is composed of an insulating film 4, a conductor layer 5, an n-type semiconductor region 7 having low impurity concentration and an n<+> type semiconductor region 9 having high impurity concentration. The conductor layer 5 is constituted by a composite film, in which a high melting point metal silicide film 5B is provided on the upper part of a polycrystalline silicon film 5A. A protecting film 6 is provided on the surface of the high melting point metal silicide film 5B of the conductor layer 5. The protecting film 6 is constituted by a silicon nitride film, which is formed in a nitrogen plasma atmosphere. Since the surface of the high melting point metal silicide film is not subjected to damage, contamination and the like due to etching; the yield of tensile stress on the surface part of the high melting point metal silicide film is prevented, and the separation of the high melting point metal silicide film can be prevented.
Patent JP-H0917-A (JP)
Title: Planter for raising seedling
Inventor: KUBO NOBUYUKI
IPC: A01C7/08
Filed: 1995-06-23
Abstract: PURPOSE: To enable a raising seedling box to be automatically housed in a stocker and temporarily reserved and to be automatically returned and transferred one by one. CONSTITUTION: In this planter for raising seedling, during transferring a raising seedling box from one end of a transferring mechanism 1 to another end, a bed soil is supplied into the raising seedling box with a soil scattering device 5, the raising seedling box is temporarily reserved in a stocker 9 and the raising seedling box reserved in the stocker 9 is returned from one end of the transferring mechanism 1 to the other end, the seeding is sown with a sower 7 and is covered with the soil using the soil scattering device 5. In the planter, the raising seedling boxes transferred from one end of the transferring mechanism 1 are automatically piled one by one in the stocker 9 and the raising seedling boxes piled in the stocker 9 are automatically fed to the other end of the transferring mechanism 1 one by one.
Patent JP-S5860330-A (JP)
Title: Timer compensating system
Inventor: TAKAHASHI HIDEYUKI
IPC: G06F1/14
Filed: 1981-10-06
Abstract: PURPOSE:To prevent clocking values from errors during the specific processing of a processing device inhibiting the generation of interruption from a timer device by inhibiting the clocking value at the completion of said processing. CONSTITUTION:A processor unit 1 issues a data transfer request to a floppy disk controlling device 4. A processing routine of a floppy disk driving device FDD5 to synchronize the transfer with clocking is called and then acess is started. The FDD routine makes the unit 5 interruption acceptance inhibiting status and data transfer is started between the FDD5 and an RAM3 through the unit 1. The time required during said operation can be found from the time required for one loop and the value of an internal counter indicating the number of times of the loop. After completing the data transfer, the internal time (recognized by a firmware) is compensated by the values of the internal counter or the like and the unit 1 is returned to its interruption acceptance permissible status.
Patent JP-S5947866-A (JP)
Title: Main wire common use system of telephone exchange and terminal device
Inventor: MORI SHINICHI
IPC: H04Q3/58
Filed: 1982-09-10
Abstract: PURPOSE:To eliminate the need for the switching operation of a switch box, by connecting a telephone exchange and a terminal device in parallel with a common use main wire when the common use trunk is not in communicating state and connecting the device during communication only to the common use wire when in the communication state. CONSTITUTION:A changeover switch relay contact S of a switch line 4 is closed to connect a main wire COn and a terminal device 3 when the main wire COn is idle. A connecting control circuit 9 controls the switch circuit 4 and a channel switch 10, based on an output of a detecting circuit 8 or main wire acquisition request information received from extension telephone sets KT1-KTm through a control line. When a call signal is incoming from the main wire, an incoming detecting circuit 11 detects it and informs it to the connecting control circuit 9. The connection control circuit 9 informs the main wire incoming to the extension telephone sets KT1-KTm through the control line.
Patent JP-S5949330-A (JP)
Title: Air-fuel ratio controller for internal-combustion engine
Inventor: HONDA MASAKAZU
IPC: F02D41/26
Filed: 1982-09-11
Abstract: PURPOSE:To reduce the number of parts considerably by sharing a circuit for producing a basic injection pulse signal under normal time of CPU and retreat travel. CONSTITUTION:The output from an analog arithmetic circuit 11 for producing basic injection pulse is provided to CPU 12 then corrected by operational condition signals from other sensors 13 to produce optimal injection pulse signal corresponding to the optimal injection time suitable for engine operating condition. Normally a default circuit 14 will transmit L level signal to an exchange circuit 16 and analog arithmetic circuit 11 to open an injector 15 with the optimal injection time produced from CPU12. When said circuit 14 decides the abnormality of CPU12, H level output is provided to the exchange circuit 16 and said circuit 11 to produce basic pulse injection signal for retreat from said circuit 11 thus to open the injector 15 for the injection time through said circuit 16.
Patent JP-2000342380-A (JP)
Title: Seat for rolling stock
Inventor: MORISHITA YOSHITAKA
IPC: A47C7/50
Filed: 1999-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a seat for a rolling stock with a footrest to be compactly folded up when not used for effectively utilizing the space in front of the seat without widening the gap between seats. SOLUTION: The footrest 34 of this seat consists of rotatable left/right first rotating arms 37, 37, left/right second rotating arms 38, 38 connected foldably to the tops of the first rotating arms 37, 37 and a foot-rest board 24 foldably attached between the tops of the second rotating arms 38, 38. When the footrest is not used, the foot-rest board 24 and the second rotating arms 38, 38 are folded up.
Patent JP-S6050969-A (JP)
Title: Field effect transistor
Inventor: OGAWA MASAKI
IPC: H01L29/80
Filed: 1983-08-30
Abstract: PURPOSE:To obtain an FET which has less parasitic capacity between a source and a gate by providing a laminated region of a region having high impurity density and a region having the same conductive type disposed under the previous portion but slightly lower impurity density, and covering the region with source and drain regions. CONSTITUTION:An N type Al0.3Ga0.7As layer 2 to become a channel is formed on a central surface layer of a high resistance GaAs substrate 1, and a channel layer 3 of the secondary electron layer modulation-doped by the difference of electric anionic degree to between the layer 2 and GaAs is formed under the layer 2 simultaneously. Then, N type Al0.3Ga0.7As regions 5 of 1X10<18>/cm<3> of impurity density are laid at both sides of the layer 2, thereby forming N type GaAs region 4 of 2X10<18>/cm<3> of density is formed. Subsequently, a gate electrode 6 is formed on the layer 2, and source electrode 7 and drain electrode 8 are covered on the region 4. Thus, the voltage applied to the electrode 6 is controlled to set the electric conductivity of the layer 3 to the prescribed value.
Patent JP-S5380310-A (JP)
Title: Rearranging apparatus for rolls of heat treatment furnace
Inventor: FURUKI CHIAKI
IPC: C21D1/00
Filed: 1976-12-27
Abstract: PURPOSE: To facilitate the rearrangement of rolls with a small heat loss, by constituting the supporting device for rolls for strips in the plural heat treatment furnaces of catenary type and between the furnaces with the tracks and by carrying out the rearrangement of rolls and the sealing between furnaces with these trucks. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S643227-A (JP)
Title: Swirl chamber for internal combustion engine
Inventor: KAWATO YASUSHI
IPC: F02B19/16
Filed: 1987-06-25
Abstract: PURPOSE:To prevent the generation of crack and clearance as much as possible by covering an outer surface of electrical heating wires embedded in a swirl chamber body with an outer skin layer having a coefficient of thermal expansion set to be an intermediate value between those of the swirl chamber body and the electrical heating wires. CONSTITUTION:Semi-circular W wires 7 as electrical heating wires are embedded in a heating component 6 constituting a swirl chamber body 3. An outer surface of the electrical heating wires 7 is covered with an outer skin layer having a coefficient of thermal expansion set to be an intermediate value between those of the swirl chamber body 3 and the electrical heating wires 7. Accordingly, a difference in thermal expansion between the swirl chamber body 3 and the electrical heating wires 7 can be reduced to thereby prevent as much as possible the generation of crack and clearance.
Patent JP-H0452453-A (JP)
Title: Abnormality-monitoring method for instantaneous hot water-supplying unit by gas
Inventor: UCHISE YOSHIBUMI
IPC: F24H1/10
Filed: 1990-06-19
Abstract: PURPOSE:To prevent the occurrence of secondary disaster at the time when a user handles the title unit by the indication of an improper counterplan, by a method wherein when something is wrong with the deuce, both trouble factor information and user-discriminating information are transmitted from the deuce to a host computer in a troublemonitoring center. CONSTITUTION:When something is wrong with the unit 1, both trouble factor information and user-discriminating information are transmitted to a host computer 6 through a telephone, on the basis of the telephone number of a trouble- monitoring center 5, and the number is stored in an operationstoring means 2. The host computer receives them and decides trouble factors on the basis of both the trouble factor information and the userdiscriminating information, and transmits indicating information to the device 1. The indicating information is displayed on an indicating part 3, and both the trouble factor information and the user-discriminating information are stored in the host computer 6. A user for whom the occurrence of trouble is informed stops use of the title unit by the indication displayed on the indicating part 3, and considers such a counterplan as to await repair by a serviceman.
Patent JP-S6315207-A (JP)
Title: Waveguide type optical wavelength filter
Inventor: OKAYAMA HIDEAKI
IPC: G02B6/12
Filed: 1986-07-08
Abstract: PURPOSE:To change a transmissivity characteristic by providing an inversion DELTAbetaelectrode on a directional coupler, and adjusting an impressed voltage. CONSTITUTION:An inversion DELTAbeta electrode is provided on each directional cou pler, and a voltage impressed to its electrode is adjusted. That is, the inversion DELTAbetaelectrode is provided on the corresponding part of sub-waveguides 3, 4 and 5, and a main waveguide 2 for constituting the directional coupler, and to each adjacent electrode of each directional coupler, voltages of each different polarity are impressed. For instance, to electrodes 9a, 9d, 10a, 10d, 11a, and 11d, the voltage of a first polarity is impressed, and to electrodes 9b, 9c, 10b, 10c, 11b, and 11c, the voltage of a second polarity being different from the first polarity is impressed. In such a case, a position of a peak of transmissivity of the direc tional coupler is varied. A degree of its variation can be adjusted by changing the magnitude of an impressed voltage. In this way, after an element has been made, the transmission wave length can be varied electrically.
Patent JP-S5681992-A (JP)
Title: Laser diode
Inventor: GEMA NOBUO
IPC: H01S5/042
Filed: 1979-12-07
Abstract: PURPOSE:To enhance the reliability of a laser diode and to eliminate the necessity of mechanically moving a laser reader by freely varying the light emitting section of the laser diode by applying electric control signal to the control electrode thereof. CONSTITUTION:A current flows from positive electrode 7 sequentially through regions 5-1 to negative electrode 6, and an active layer for emitting laser light in the P type region 3 having narrow gap energy Eg as compared with the regions 2, 4 is formed. The region 4 adjacent to the region 3 becoming the active layer is formed of P type semiconductor. Control electrodes 11, 13 for controlling the light emitting region in the region 3 through the insulating layers 10, 12 are provided on the side surface of the region 4. When positive potential is applied to the region 5 and zero potential is applied to the region 1, a current will flow from the region 5 to the region 1. The region 3 at this time has wide light emitting region in amplitude. A laser reader using such laser diode is unnecessary to mechanically move, and mechanical parts can be thus omitted so as to improve the reliability.
Patent JP-H05333178-A (JP)
Title: Water pipe used in fuel assembly for boiling water reactor
Inventor: SANBE MASAHIKO
IPC: G21C3/326
Filed: 1992-05-26
Abstract: PURPOSE:To supply a liquid film of cooling water to the surface of a fuel rod from a water pipe, suppress the dry-out phenomenon caused by the liquid film peeling of the fuel rod, secure the cooling capability by the liquid film of the fuel rod, and assure its healthiness by forming the water pipe of a fuel assembly for a boiling water reactor into a peculiar structure. CONSTITUTION:A liquid film shifting groove 13 in which a coolant A flows upward is formed on the surface of a water pipe main body 11 easily holding a liquid film L1. The flow of the coolant A and the steam turbulence D generated on the lower side of a spacer 4 are utilized to discharge the liquid film L1 as waterdrops A1 from the upper end outflow groove port 13a of the liquid film shifting groove 13, the waterdrops A1 are preferably directed to the lower side of the fuel rod 2 of the spacer 4 on the high side where the dry-out phenomenon most easily occurs, and the peeling of the liquid film L2 of the fuel rod 2 is prevented.
Patent JP-H0324613-A (JP)
Title: Data display system
Inventor: SAKURABA HIDEJI
IPC: G06F3/048
Filed: 1989-06-21
Abstract: PURPOSE:To improve operability by providing the data display system with a document map forming means, a specific area forming means, a specified document data forming means, document data, a document map simultaneously displaying means, and a specific area moving means. CONSTITUTION:When the movement of a specific area 7 is specified by a pointing device, a display data control part 2 increases/decreases pointers in a display data storing part 9 in accordance with the direction and distance of the movement through a document processing part 1. A data forming part 4 changes display document data and specific area data based upon the changed pointer. On a display device 5, new document data and the moved specific area are respectively displayed on a working field 8 and a document map 6. Since the whole image of a document formation unit and the document data being worked and formed at present are simultaneously displayed, relation between the whole document and a working position can be grasped and the operability can be improved.
Patent JP-H11352570-A (JP)
Title: Camera
Inventor: TAMURA KOJI
IPC: G03B13/36
Filed: 1998-06-08
Abstract: PROBLEM TO BE SOLVED: To recognize by visual means the inclination amount of a camera main body without turning the line of sight away from an object by detecting the posture of a photographing lens around an optical axis and displaying the attitude information by a displaying means inside a finder. SOLUTION: An angle sensor detects the rotation inclined angle (attitude) of the camera main body around the optical axis of the photographing lens. Focus detection area frame segments A1-E7 and angle index segments F1-F9 for displaying the posture information of the camera main body, based on an outputted result from the angle sensor, are formed at the displaying member. The posture information of the camera main body is superimposed and displayed within a finder visual field. When the inclination of the camera main body is set to 0 deg. (reference attitude), an angle index segment F1 is turned on and displayed.  When the camera main body is in a state where it is inclined by 5 deg. in a counterclockwise direction, the angle index segment F1, meaning the reference position and the angle index segment F2 corresponding to the inclination by 5 deg. in the counterclockwise direction, are turned on and displayed.
Patent JP-S6138574-A (JP)
Title: Ic clip
Inventor: ARIMA KAZUNORI
IPC: G01R31/26
Filed: 1984-07-31
Abstract: PURPOSE:To find out a desired pin quickly and surely by adding a feature to each group of a prescribed number of connection pins. CONSTITUTION:Plural connection pins 1 are molded in each of clip half bodies A and A', and upper end parts of pins 1 are projected from upper end parts of clip half bodies A and A', and lower end parts of pins 1 are made conductive to claws 1a which are arranged at the same pitch as pins of an IC on insides of lower end parts of clip half bodies A and A'. A feature is given to each group of a prescribed number of pins 1. for example, three positions indicated by a code 1b are marked with blue, and three positions indicated by a code 1c are marked with red. If a pin 1D of the clip half body A is defined as the first pin, pins to which the blue mark 1b is given are the fifth, the tenth, and fifteenth pins; and if a pin 1E of the clip half body A' is defined as the first pin, pins to which the read mark 1c is given are the fifth, the tenth, and the fifteenth pins. Thus, given marks are recognized visually to find out easily a desired pin, and there is no danger that a probe of a measurer or the like is erroneously connected to a wrong pin.