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公开(公告)号：CA2191631A1
公开(公告)日：1997-08-14
申请号：CA2191631
申请日：1996-11-29
Applicant: IBM
Inventor： CRUMP DWAYNE THOMAS , HURD JONATHAN JAMES , PANCOAST STEPHEN TAYLOR , WORTHINGTON THOMAS K
Abstract: Disclosed is a method and apparatus for processing two analog composite vide o signals to be displayed to a human observer. The system includes at least a first an d a second video source for generating first and second analog composite video signals respec tively, and a selector coupled to the first and second video sources. The selector is operative to supply either the first or second analog composite video signal to one input of a video processor an d independently and simultaneously supply either the first or second analog composite video signal to a second input of the video processor. The video processor is operative under contro l of a CPU to generate an output analog composite video signal comprised of a portion of t he analog composite video signal supplied to the video processor's first input and a portion of the analog composite video signal supplied to the video processor's second input.
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公开(公告)号：GB2310558A
公开(公告)日：1997-08-27
申请号：GB9702455
申请日：1997-02-06
Applicant: IBM
Abstract: The invention consists of a set top interface box(fig 1,30) to allow a number of data sources (including video) to be connected to a television receiver. The user can select between sources using a handset(20) and includes picture in picture display facilities. The invention comprises an analogue multiplexer 31 to allow switching between the various sources 34,35,42,44,40 the output of which is connected to a video processor 39. The video processor 39 is connected to amongst others an audio control 46, a CPU 48, an infrared I/O device 50 and a modem 52. The set top unit (30) can also include facilities for decoding encrypted video signals(e.g. for pay per view) and decompressing video 38. In use the user would be presented with a graphical representation of their display options(fig 18) and could point and select(135) to determine which sources would go to which destinations(VCR, full screen, picture in picture).
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公开(公告)号：CA2191632A1
公开(公告)日：1997-08-14
申请号：CA2191632
申请日：1996-11-29
Applicant: IBM
Inventor： COMBS JAMES LEE , CRUMP DWAYNE THOMAS , HURD JONATHAN JAMES , PANCOAST STEPHEN TAYLOR , WORTHINGTON THOMAS K
Abstract: Disclosed is a video processor for processing first and second analog composite video signals and producing an output analog video signal. The video processor includes a video decoder and scaler for converting the second analog composite video signal to a reduced digital video signal. The video processor also includes a video encoder for converting the reduced digital video to a third analog composite video signal. Synchronization circuits are included for producing synchronization information for synchronizing the third analog composite video signal with the first analog composite video signal. The video processor further includes a composite video multiplexer for combining the first analog composite video signal with the third analog composite signal to produce the output analog composite video signal which is comprised of a portion of the first analog video signal and a portion of the third analog video signal.
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4.发明专利
公开(公告)号：CA2176648C
公开(公告)日：2000-09-26
申请号：CA2176648
申请日：1996-05-15
Applicant: IBM
Inventor： BERTRAM RANDAL LEE , BLACK LARRY A , HURD JONATHAN JAMES , WORTHINGTON THOMAS KIMBER
Abstract: A video display, which may be a television receiver with associated set top device, an intelligent television receiver, or a personal computer system enabled for television display, has associated therewith a remote control of the three axis type which controls modification of the visual images displayed. The remote control cooperates with a microcontroller.
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Patent Agency Ranking
公开(公告)号：DE69009285T2
公开(公告)日：1994-12-08
申请号：DE69009285
申请日：1990-03-07
Applicant: IBM
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公开(公告)号：CA2176629C
公开(公告)日：2000-05-23
申请号：CA2176629
申请日：1996-05-15
Applicant: IBM
Inventor： BERTRAM RANDAL LEE , BLACK LARRY A , HURD JONATHAN JAMES , WORTHINGTON THOMAS KIMBER
IPC: G06F3/033 , H01H9/02 , H04N5/00 , H04N5/44 , H04N5/445 , H04N5/45 , H04N7/173 , H04N21/422 , H04N21/431 , H04N21/472 , H04Q9/00
Abstract: A video display, which may be a television receiver with associated set top device, an intelligent television receiver, or a personal computer system enabled for television display, has associated therewith a remote control of the three axis type which controls modification of the visual images displayed.
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公开(公告)号：DE69009285D1
公开(公告)日：1994-07-07
申请号：DE69009285
申请日：1990-03-07
Applicant: IBM
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公开(公告)号：GB2310335A
公开(公告)日：1997-08-20
申请号：GB9702453
申请日：1997-02-06
Applicant: IBM
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公开(公告)号：CA2176629A1
公开(公告)日：1996-12-01
申请号：CA2176629
申请日：1996-05-15
Applicant: IBM
Inventor： BERTRAM RANDAL LEE , BLACK LARRY A , HURD JONATHAN JAMES , WORTHINGTON THOMAS KIMBER
IPC: G06F3/033 , H01H9/02 , H04N5/00 , H04N5/44 , H04N5/445 , H04N5/45 , H04N7/173 , H04N21/422 , H04N21/431 , H04N21/472 , H04Q9/00
Abstract: A video display, which may be a television receiver with associated set top device, an intelligent television receiver, or a personal computer system enabled for television display, has associated therewith a remote control (20) of the three axis type which controls modification of the visual images displayed.
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