公开(公告)号：JPS6359082A

公开(公告)日：1988-03-14

申请号：JP20501086

申请日：1986-08-29

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  JOSE DAVID LEE ,  MOLES WARREN HUGH ,  WALTER JAMES MOGAN

IPC: H04N7/00 ,  H04N5/44 ,  H04N11/00 ,  H04N11/24

Abstract: A wide aspect ratio television system includes memories (40,42,44) for storing and recovering a video input signal in response to read and write clock pulses, respectively. Write clock pulses are deleted (410, Figure 4) to compress edge regions of a wide aspect ratio input signal and read clock pulses are deleted (Figure 8) to restore the signal to its original aspect ratio. The pattern of deleted pulses is preferably altered (404) on a line-by-line basis to reduce visible artifacts of signal decimation. In dual mode receivers which may include provisions for controlling edge blanking or effecting edge interpolation, the pattern of deleted clock pulses may be selected as a function of the type of received signals.

公开(公告)号：JPS57501157A

公开(公告)日：1982-07-01

申请号：JP50260081

申请日：1981-07-20

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  REITMEIER GLENN ARTHUR

IPC: H04N9/64 ,  H03M7/30 ,  H04B14/00 ,  H04N7/12 ,  H04N9/77 ,  H04N11/04 ,  H04N11/20

公开(公告)号：JP2553971B2

公开(公告)日：1996-11-13

申请号：JP22947291

申请日：1991-08-14

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  REITMEIER GLENN ARTHUR

IPC: H04N9/64 ,  H03M7/30 ,  H04B14/00 ,  H04N7/12 ,  H04N9/77 ,  H04N11/04 ,  H04N11/20

公开(公告)号：JPH0698352A

公开(公告)日：1994-04-08

申请号：JP22947291

申请日：1991-08-14

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  REITMEIER GLENN ARTHUR

IPC: H04N9/64 ,  H03M7/30 ,  H04B14/00 ,  H04N7/12 ,  H04N9/77 ,  H04N11/04 ,  H04N11/20

Abstract: PURPOSE: To reduce the sampling rate and the quantity of used hardware at the time of transmitting information signal samples obtained from a plurality of channels. CONSTITUTION: Decoders 22R, 22G, and 22B transmit the signal samples of a plurality of channels supplied to inputs 16, 18, and 20 by alternately selecting the samples. The decoders 22R, 22G, and 22B also select the direction in which the variation amount of sample pairs is the smallest among transmitting directions around the alternately left samples and transmit control signals (SM) indicating the selected direction. On the receiving side, complete information signals are reproduced, together with the transmitted signals by reconstituting the alternately left samples of the transmitted signal samples and control signals.

公开(公告)号：CA1196090A

公开(公告)日：1985-10-29

申请号：CA467729

申请日：1984-11-13

Applicant: RCA CORP ,  RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  REITMEIER GLENN ARTHUR ,  DISCHERT ROBERT A

IPC: H04N9/04

Abstract: ADAPTIVE RECONSTRUCTION OF THE COLOR CHANNELS OF A COLOR TV SIGNAL The parent application relates to the removal of aliases aliases from at least a first component signal of a video signal, using one alias-free component of said video signal, by determining from said alias free component the direction of least resolution and averaging said alias containing component in said direction The present invention relates to a method and apparatus for encoding the video signal in a novel manner permitting such alias removal to be readily achieved on decoding. According to the invention, a video signal having at least two components is encoded by periodically sampling at least a first signal component with offset samples, said first signal component having frequency components that can exceed one half the sampling frequency, and sampling a second signal component at a frequency at least about twice the maximum of its highest frequency and about twice the sampling frequency of said first component signal.

公开(公告)号：FR2560474B1

公开(公告)日：1991-04-19

申请号：FR8502947

申请日：1985-02-28

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS

IPC: H04N9/04 ,  H04N9/09

Abstract: A color television camera includes imagers which produce signals representative of various colors of a scene. The signals are multiplexed to an analog-to-digital converter (ADC) for conversion to sequential digital video form for processing by a single-channel digital processor. In order to avoid loss of resolution, and to take full advantage of the speed of operation of the ADC, the imagers are clocked mutually out-of-phase so as to sequentially provide imager signals at a rate related to the multiplexer rate.

公开(公告)号：FR2585914B1

公开(公告)日：1991-01-18

申请号：FR8611061

申请日：1986-07-30

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS

IPC: H04N7/01 ,  H04N5/44 ,  H04N5/66 ,  H04N3/00

Abstract: A receiver includes a line store progressive scan processor and a frame store progressive scan processor for doubling the line rate of a video input signal for display. The video input signal includes an identifying signal signifying whether the fields that are derived from a common scene. The identifying signal is detected and used to control a switch for selectively coupling the output of the processors to a display such that frame store processed signals are displayed for fields derived from exactly the same scene and line store processed signals are displayed for "mixed" fields (i.e., fields from different frames or frames containing motion).

公开(公告)号：FI80977B

公开(公告)日：1990-04-30

申请号：FI863408

申请日：1986-08-22

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  JOSE DAVID LEE ,  MOLES WARREN HUGH ,  WALTER JAMES MORGAN

IPC: H04N7/00 ,  H04N5/44 ,  H04N11/00 ,  H04N11/24

Abstract: A wide aspect ratio television system includes memories (40,42,44) for storing and recovering a video input signal in response to read and write clock pulses, respectively. Write clock pulses are deleted (410, Figure 4) to compress edge regions of a wide aspect ratio input signal and read clock pulses are deleted (Figure 8) to restore the signal to its original aspect ratio. The pattern of deleted pulses is preferably altered (404) on a line-by-line basis to reduce visible artifacts of signal decimation. In dual mode receivers which may include provisions for controlling edge blanking or effecting edge interpolation, the pattern of deleted clock pulses may be selected as a function of the type of received signals.

公开(公告)号：GB2191907B

公开(公告)日：1990-04-18

申请号：GB8713973

申请日：1987-06-16

Applicant: RCA CORP ,  RCA LICENSING CORP

Inventor： TOPPER ROBERT JOSEPH ,  DISCHERT ROBERT ADAMS

IPC: H04N5/91 ,  H04N5/44

Abstract: Method and apparatus for producing a frozen television picture are disclosed. Successive fields of picture information are generated by an interpolator which is responsive to a video input signal. These successive fields are applied to the input of a first field store device. The video input signal is applied to the input of a second field store device so that the successive fields of the video input signal correspond in time to the successive fields generated by the interpolator. Lines from the respective field store devices are sequenced repetitively to form a video signal representing the frozen television picture. The interpolator generates fields which, when displayed with corresponding fields of the video input signal, minimizes motion-induced artifacts without unduly degrading vertical resolution.

公开(公告)号：GB2178922B

公开(公告)日：1989-08-16

申请号：GB8618102

申请日：1986-07-24

Applicant: RCA CORP ,  RCA LICENSING CORP

Inventor： DISCHERT ROBERT ADAMS

IPC: H04N7/01 ,  H04N5/44

Abstract: A receiver includes a line store progressive scan processor and a frame store progressive scan processor for doubling the line rate of a video input signal for display. The video input signal includes an identifying signal signifying whether the fields that are derived from a common scene. The identifying signal is detected and used to control a switch for selectively coupling the output of the processors to a display such that frame store processed signals are displayed for fields derived from exactly the same scene and line store processed signals are displayed for "mixed" fields (i.e., fields from different frames or frames containing motion).