Source: http://www.google.com/patents/US8161388?dq=%22Location+histories+for+location+aware+devices%22
Timestamp: 2015-08-04 02:13:48
Document Index: 400484065

Matched Legal Cases: ['art 6', 'art 6', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 06', 'Application No. 2001', 'Application No. 2001', 'arth 2001', 'Application No. 01937209', 'Application No. 02737593', 'Application No. 02737593', 'Application No. 02744705', 'Application No. 02750416', 'Application No. 02761572', 'Application No. 02797096', 'Application No. 03713364']

Patent US8161388 - Interactive discovery of display device characteristics - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA system and method for determining the characteristics of a device coupled to a client device are disclosed. A method, according to one embodiment, includes driving a display device with a first video output signal formatted according to a first video interface specification; responsive to driving the...http://www.google.com/patents/US8161388?utm_source=gb-gplus-sharePatent US8161388 - Interactive discovery of display device characteristicsAdvanced Patent SearchPublication numberUS8161388 B2Publication typeGrantApplication numberUS 10/761,777Publication dateApr 17, 2012Filing dateJan 21, 2004Priority dateJan 21, 2004Also published asCA2554208A1, CA2554208C, US20050160468, US20090190028, US20120188445, WO2005071658A1Publication number10761777, 761777, US 8161388 B2, US 8161388B2, US-B2-8161388, US8161388 B2, US8161388B2InventorsArturo A. Rodriguez, Robert O. Banker, Darryl S. Delacruz, David B. Lett, Ajith N. Nair, James W. KikerOriginal AssigneeRodriguez Arturo A, Banker Robert O, Delacruz Darryl S, Lett David B, Nair Ajith N, Kiker James WExport CitationBiBTeX, EndNote, RefManPatent Citations (107), Non-Patent Citations (371), Referenced by (6), Classifications (42), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetInteractive discovery of display device characteristics
US 8161388 B2Abstract
A system and method for determining the characteristics of a device coupled to a client device are disclosed. A method, according to one embodiment, includes driving a display device with a first video output signal formatted according to a first video interface specification; responsive to driving the display device, soliciting user input based on information included in the first video output signal; determining a characteristic of the display device based on the user input; and driving the display device according to the determined characteristic.
This disclosure relates in general to the field of television systems, and more particularly, to the field of interactive television.
With recent advances in digital transmission technology, subscriber television systems are now capable of providing much more than the traditional analog broadcast video. In implementing enhanced programming, the home communication terminal (“HCT”), otherwise known as the set-top box, has become an important computing device for accessing content services (and content within those services) and navigating a user through a maze of available services. In addition to supporting traditional analog broadcast video functionality, digital HCTs (or “DHCTs”) now also support an increasing number of two-way digital services such as video-on-demand and personal video recording.
The preferred embodiments of the disclosure now will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the disclosure include systems and methods that provide an interactive session with a user to determine the characteristics of a television set or other display device coupled to a digital home communication terminal (DHCT).
The disclosure may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those of ordinary skill in the art. Furthermore, all “examples” given herein are intended to be non-limiting and among others not shown but understood to be within the scope of the disclosure.
I. Subscriber Television System
FIG. 1 is a block diagram depicting an example subscriber television system (STS) 10, in accordance with one embodiment of the disclosure. In this example, the STS 10 includes a headend 11 and a digital home communication terminal (DHCT) 16 that are coupled via a communications network 18. It will be understood that the STS 10 shown in FIG. 1 is merely illustrative and should not be construed as implying any limitations upon the scope of the preferred embodiments of the disclosure. For example, although single components (e.g., a headend 11 and a DHCT 16) are illustrated in FIG. 1, the STS 10 can feature a plurality of any one of the illustrated components, or may be configured with alternative embodiments for any one of the individual components or with yet other additional components not enumerated above. Subscriber television systems also included within the scope of the preferred embodiments of the disclosure include systems not utilizing physical structured cabling for transmission, such as, but not limited to, satellite systems and terrestrial-broadcast systems.
II. Headend
FIG. 2 is an overview of one example headend 11, which provides the interface between the STS 10 (FIG. 1) and the service and content providers. The overview of FIG. 2 is equally applicable to a hub (not shown), and the same elements and principles may be implemented at a hub instead of the headend 11. It will be understood that the headend 11 shown in FIG. 2 is merely illustrative and should not be construed as implying any limitations upon the scope of the preferred embodiments of the disclosure. The headend 11 receives content from a variety of service and content providers, which can provide input in a variety of ways. The headend 11 combines the content from the various sources and distributes the content to subscribers via the distribution systems of the network 18.
III. DHCT and Remote Control Device
FIG. 3A is a block diagram illustration of an example DHCT 16 that is coupled to the headend 11 and a television set 341, in accordance with one embodiment of the disclosure. It will be understood that the DHCT 16 shown in FIG. 3A is merely illustrative and should not be construed as implying any limitations upon the scope of the preferred embodiments of the disclosure. For example, some of the functionality performed by applications executed in the DHCT 16 (such as the IPG application 397) may instead be performed completely or in part at the headend 11 and vice versa, or not at all in some embodiments. A DHCT 16 may be a stand-alone unit or integrated into another device such as, for example, a television set or a personal computer or other display devices or an audio device, among others. The DHCT 16 preferably includes a communications interface 342 for receiving signals (video, audio and/or other data) from the headend 11 through the network 18, and provides for reverse information to the headend 11 through the network 18.
Color conversion may also comprise conversion between color primaries specifications, such as from the color primaries specified in ITU-R (International Telecommunication Union-Radiocommunication) Recommendation BT.601 to the color primaries specified ITU-R Recommendation BT.709. In one embodiment, color conversion is employed to create an image that is displayed during an interactive discovery phase to determine the color “temperature” of a TV set or display attached to the DHCT 16.
IV. Example Method for Determining Display Device Characteristics
As described above, there are many possible video formats that are received by the DHCT 16 and converted to a television signal compliant with the appropriate video interface specification for the respective port of the physical output ports 340. For example, ATSC includes 18 different video formats, which include parameters for the amount of active lines, total lines, horizontal pixels (e.g., pixels per line), aspect ratio (e.g., 16:9 or 4:3), vertical rate, frame rate, scan type (progressive or interlaced), and type of TV set (e.g., SDTV or HDTV) that a particular format is best suited for. For a TV set capable of sourcing a TV signal through more than one video interface or with a video interface that supports more than one video format, the nature of the picture displayed on a TV screen (or other display screen) can vary depending on what format the DHCT 16 configures the output signal (e.g., output from the output ports 340 to the TV set 341) to be. Accurate assumptions about the characteristics of the TV set 341 or display can be made based on the nature of the picture displayed in response to the video format of the television signal fed to the TV set 341 from the DHCT 16. Although the DHCT 16 does not know what type of TV set it is connected to, nor the characteristics of that TV set, it can output some predefined video formats and query the user about what he or she sees. Based on the response of the user, not only can the DHCT 16 determine the characteristics of the TV set connected (e.g., aspect ratio, color temperature, gamma characteristics, etc.), but also provide for a fine tuning of the picture quality that improves what the user sees.
Note that in some embodiments some of these characteristics may be input by the user in response to a query by the DHCT 16 (e.g., the DHCT 16 can prompt questions on the TV display, such as “what type of TV do you have? year made? model number? manufacturer?,” etc.).
Step 420 includes storing the TV set display characteristics. One or more non-volatile memory (NVM) bits (not shown) in memory 349 (or the characteristics can be stored in the storage device 373, FIG. 3A) (FIG. 3A) are assigned to denote a default value: “never set” or “set”. Once set, the capabilities of the connected TV set 341 are retained in NVM 348. If the user employs a different TV set in the future, the interactive sessions of the preferred embodiments of the disclosure can be re-entered via the TV capabilities query button 381, general settings, quick settings, front key input on the DHCT 16, or via other buttons on the remote control device 380 (FIG. 3B) using key sequences as explained in a user's manual.
V. Interactive Session Display Screens
FIG. 5 is a block diagram of one arrangement for the TV set 341 and the DHCT 16. The DHCT 16 includes a digital display 502 and navigation buttons 504 for performing navigational functions like channel changing, etc. For example, the user can select the navigation buttons 504 to select information in response to a DHCT prompted GUI screen 510 during phase I discovery. Presumably, a GUI screen 510 is presented because a connection between the DHCT port and corresponding connection at the TV set 341 has been made and a video format was input to the TV set input or inputs with which the TV set 341 is compatible. As shown, a text message in the display screen 510 queries the user, “Can you read this question?” The user will enter input if he or she is able to read the question. The display screen 510 suggests through the use of navigation arrow icons 512 that the user can select the navigation buttons 385 on the remote control device 380 (FIG. 3B) or the DHCT navigation buttons 504. One skilled in the art will understand that other buttons can be used to convey a user response, including the use of just the select button 387 (FIG. 3B).
As is shown in FIGS. 6-7, a set of display screens tailored for each combination of video format and display aspect ratio are generated for each respective video format during phase II discovery. Continuing with the example referenced in association with FIG. 4, within the generalized category of a respective scan mode (e.g., progressive versus interlaced), the picture is output in multiple ways to find out further capabilities of the TV set 341. This process includes outputting different aspect ratios such as 16:9, 4:3, or others, as well as embedding a graphical picture within the picture (e.g., letterbox or sidebars). The user may have set the TV set 341 to display letterbox, for example, or there may be a default setting. The user may also configure settings in the DHCT 16 for handling the aspect ratio in a predetermined manner. Thus, there may be cumulative operations performed by the DHCT 16 and the TV set 341 that cause distortions of objects to be amplified (e.g., a ball on the screen may be stretched by operations in the DHCT 16 and then further stretched due to operations in the TV set 341). Images stored in the storage device 373, for example, may be presented at the TV set 341 in a distorted and non-distorted manner to determine these settings. The phase II discovery process also includes outputting graphics with alternate lines displaced or shifted by varied amounts to determine if the TV set 341 has a de-interlacer and if so, what is its quality. Graphical objects in the graphical picture may represent certain geometrical shapes subjected to any of a plurality of 2-D or 3-D transformations that include rotation, scaling, shear and perspectives, among others, that when coupled to alternate line displacements of shift that emulate motion from an interlaced camera, help identify the performance of the de-interlacing capabilities of a de-interlacer. For example, the DHCT 16 may test the quality of the de-interlacer of the TV set 341 to determine if de-interlacing functionality in the DHCT 16 should be bypassed due to superior quality of the de-interlacer in the TV set 341. De-interlacer assessment may be further refined to determine which of two de-interlacers performs best for analog signals, for interlaced SD pictures received as compressed digital signals, and/or for interlaced HD pictures received as compressed digital signals. Note that a TV set may feature “multi-synch” support. For example, an HDTV set may support multiple video formats at its input. In such event, it may be desirable to drive the HDTV set with the native scan format of the sourced input signal to minimize picture degradation.
FIG. 6 illustrates a query that is aimed towards determining how the TV set 341 handles certain aspect ratios. For example, a signal received from the headend 11 (FIG. 2) may carry content at a 4:3 aspect ratio, although the connected TV set is an HDTV having a 16:9 aspect ratio. One way the HDTV set handles this source signal could be to provide black vertical stripe boxes on the side of the 4:3 screen. An interactive session can help the DHCT 16 determine what is connected by the way the TV set handles the displayed picture. As shown, the video format inferred here is handled by the TV set 341 by outlining the picture in the display screen with top and bottom block stripes. The display screen 610 includes a text message that asks the user, “Does the screen have top and bottom black boxes reducing the screen?” Depending on the response to this question, a series of screens can be presented that ask similar questions, such as whether the user sees side block stripes, or a boxed-in picture. In other embodiments, a single screen instruction can ask all of these questions, which are aimed at trying to ascertain the aspect ratio of the TV set 341.
FIG. 7 is a block diagram illustrating another interactive display screen 710 used to fine tune the color quality. As shown, input is requested on the color of a graphical object (although it could be colored-text as well) in the display to ascertain the color temperature of the TV set display. For example, the graphical object, generated internally to the DHCT 16, is a ball 712, and the question presented to the user is, “what is the color of the ball in the screen?” A scrollable color-choice list 714 can be presented, which gives the user a choice of colors to choose from to enable the user to adequately describe the color of the ball.
The display manager 335, which comprises an ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. In the context of this document, a “computer-readable medium” can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. The computer readable medium can be, for example but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium. More specific examples (a nonexhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic) having one or more wires, a portable computer diskette (magnetic), a random access memory (RAM) (electronic), a read-only memory (ROM) (electronic), an erasable programmable read-only memory (EPROM or Flash memory) (electronic), an optical fiber (optical), and a portable compact disc read-only memory (CDROM) (optical). Note that the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be emphasized that the above-described embodiments of the present disclosure, particularly, any “preferred embodiments” are merely possible examples of implementations, merely setting forth a clear understanding of the principles of the disclosures. Many variations and modifications may be made to the above-described embodiments of the disclosure without departing substantially from the spirit of the principles of the disclosure. All such modifications and variations are intended to be included herein within the scope of the disclosure and present disclosure and protected by the following claims.
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No. 11/162,345 mailed Jul. 3, 2008.370VESA Plug & Display Standard Version 1.0, VESA Jun. 11, 1997, pp. 13,21,23,86,94,96.371W3C, Putting language attributes in HTML, www.w3.org.org/International/O-help-lang, 2 pages (Apr. 29, 1997).* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS8823769Jan 5, 2011Sep 2, 2014Ricoh Company, Ltd.Three-dimensional video conferencing system with eye contactUS9014258 *Nov 18, 2009Apr 21, 2015Sony CorporationTransmission device and method of determining transmission date formatUS20080184134 *Jan 9, 2008Jul 31, 2008Mitsutoshi ShinkaiInformation processing apparatus, information processing method, and programUS20080256454 *Apr 13, 2007Oct 16, 2008Sap AgSelection of list item using invariant focus locationUS20120044985 *Nov 18, 2009Feb 23, 2012Sony CorporationTransmission device and method of determining transmission date formatUS20130127990 *Oct 9, 2010May 23, 2013Hung-Der LinVideo processing apparatus for generating video output satisfying display capability of display device according to video input and related method thereof* Cited by examinerClassifications U.S. Classification715/722, 348/189, 348/556, 715/718, 348/177, 348/180, 348/129, 348/554, 348/551, 725/47, 348/125, 348/555, 715/710, 348/558International ClassificationH04N5/44, G06F3/14, G06F3/00, H04N5/46, G09G5/00, H04N17/02Cooperative ClassificationH04N21/42204, G06F3/14, H04N5/4401, H04N5/46, G09G2340/14, H04N21/4758, H04N21/4402, H04N2005/4412, H04N7/0122, H04N21/440263, H04N21/4147, G09G2360/02, H04N21/4854, H04N21/4122European ClassificationH04N21/41P4, H04N21/422R, H04N21/4402, G06F3/14, H04N21/4147, H04N21/475V, H04N21/4402S, H04N21/485DLegal EventsDateCodeEventDescriptionJan 21, 2004ASAssignmentOwner name: SCIENTIFIC-ATLANTA, INC., GEORGIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RODRIGUEZ, ARTURO A.;BANKER, ROBERT O.;DELACRUZ, DARRYL S.;AND OTHERS;REEL/FRAME:014917/0674;SIGNING DATES FROM 20040115 TO 20040120Owner name: SCIENTIFIC-ATLANTA, INC., GEORGIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RODRIGUEZ, ARTURO A.;BANKER, ROBERT O.;DELACRUZ, DARRYL S.;AND OTHERS;SIGNING DATES FROM 20040115 TO 20040120;REEL/FRAME:014917/0674Jul 27, 2009ASAssignmentOwner name: SCIENTIFIC-ATLANTA, LLC,GEORGIAFree format text: CHANGE OF NAME;ASSIGNOR:SCIENTIFIC-ATLANTA, INC.;REEL/FRAME:023012/0703Effective date: 20081205Mar 4, 2013ASAssignmentOwner name: CISCO TECHNOLOGY, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCIENTIFIC-ATLANTA LLC;REEL/FRAME:029916/0028Effective date: 20130227RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services