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170 records (took 0.021 seconds)

    41.
    发明专利
    未知

    公开(公告)号：DE2823631A1

    公开(公告)日：1978-12-07

    申请号：DE2823631

    申请日：1978-05-30

    Applicant: RCA CORP

    Inventor： DISCHERT ROBERT ADAMS

    IPC: H04N9/64 ,  H04N5/232 ,  H04N9/04 ,  H04N17/00 ,  H04N9/09

    Abstract: An automatic setup unit for use with color TV cameras of the type including a digital memory for storing the control values for the camera. An automatic setup unit which is responsive to the video from the camera when viewing a predetermined pattern, such as a chart for measuring errors, is coupled to the memory and provides control signals to the memory with the appropriate addresses for updating the memory and for applying the control values to the camera.

    46.
    发明专利
    未知

    公开(公告)号：FR2510279B1

    公开(公告)日：1988-09-09

    申请号：FR8212828

    申请日：1982-07-22

    Applicant: RCA CORP

    Inventor： DISCHERT ROBERT ADAMS

    IPC: H03M7/02 ,  G06F1/03 ,  G06F5/00 ,  H04N5/14 ,  H04N7/12 ,  G06F7/00

    Abstract: A digital signal processor uses a RAM for signal processing. This allows the transfer function to be easily changed by either hardwired circuitry or a microprocessor. Two RAMs per channel can be used, one processing the signal, while the other has its transfer function changed. The operations of the RAMs can be changed during a portion of the input signal, e.g. blanking times, when the switch over is not objectionable.

    COMPATIBLE WIDE SCREEN TELEVISION SYSTEM WITH IMAGE COMPRESSION/EXPANSION
    47.
    发明专利
    COMPATIBLE WIDE SCREEN TELEVISION SYSTEM WITH IMAGE COMPRESSION/EXPANSION 未知

    公开(公告)号：GB2191060A

    公开(公告)日：1987-12-02

    申请号：GB8712043

    申请日：1987-05-21

    Applicant: RCA CORP

    Inventor： JOSE DAVID LEE ,  DISCHERT ROBERT ADAMS

    IPC: H04N7/015 ,  H04N11/24 ,  H04N5/46 ,  H04N11/02 ,  H04N7/08

    Abstract: A compressor compresses the edges of a wide screen image to provide a compressed wide screen video signal which may be displayed on a conventional 4:3 aspect ratio receiver with the compressed edge portions largely hidden from view because of receiver overscan. Complementary edge expansion restores the compressed signal to its original form for display by a wide screen receiver. The relative proportions of compression applied to the left and right edges of the wide screen images are varied to reduce the appearance of edge distortion in the compressed signal when displayed on a standard aspect ratio receiver and to reduce the appearance of loss of edge resolution in the expanded signal when displayed on a wide screen receiver.

    48.
    发明专利
    未知

    公开(公告)号：DK275787A

    公开(公告)日：1987-12-01

    申请号：DK275787

    申请日：1987-05-29

    Applicant: RCA CORP

    Inventor： JOSE DAVID LEE ,  DISCHERT ROBERT ADAMS

    IPC: H04N5/46 ,  H04N7/015 ,  H04N11/24 ,  H04N7/01

    Abstract: A compressor compresses the edges of a wide screen image to provide a compressed wide screen video signal which may be displayed on a conventional 4:3 aspect ratio receiver with the compressed edge portions largely hidden from view because of receiver overscan. Complementary edge expansion restores the compressed signal to its original form for display by a wide screen receiver. The relative proportions of compression applied to the left and right edges of the wide screen images are varied to reduce the appearance of edge distortion in the compressed signal when displayed on a standard aspect ratio receiver and to reduce the appearance of loss of edge resolution in the expanded signal when displayed on a wide screen receiver.

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