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公开(公告)号：FR2599204A1
公开(公告)日：1987-11-27
申请号：FR8707251
申请日：1987-05-22
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS , TOPPER ROBERT JOSEPH , SHYU WILLIAM MING-JEN
Abstract: The present invention relates to a video signal processor with progressive scan. According to the invention, it comprises a delay means receiving a video signal Y1 at a given line frequency and producing a first output signal Yd delayed by an interval of one frame minus a half-line, a second output signal delayed by an interval of one frame plus a half-line and a third output signal delayed by an interval of a double frame; a first means 66,68 averages the first and second video signals; a second means 62, 64 averages the input signal and the third video output signal; a third means 70, 72, 74 undertakes the high-pass filtering of the first averaged signal and the low-pass filtering of the second averaged signal and combines them; and a means of acceleration 82, 84, 86, 88, 90, 92 compresses the first output signal as well as the interpolated output signal and intercalates lines of the signals compressed in time to form a non-interlaced video signal Y2 with double the line frequency. The invention applies in particular to television.
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公开(公告)号：FI74373B
公开(公告)日：1987-09-30
申请号：FI822532
申请日：1982-07-16
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS
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.
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公开(公告)号：IT1178636B
公开(公告)日：1987-09-09
申请号：IT2380384
申请日：1984-11-29
Applicant: RCA CORP
Inventor： HURST ROBERT NORMAN , DISCHERT ROBERT ADAMS
Abstract: An apparatus for correcting errors in color signal transitions includes a signal scaling device and a signal mixing device. A wide bandwidth luminance signal is applied to the signal scaling device which develops a limiting signal for a particular narrow bandwidth color difference or primary color signal. This limiting signal is mixed with its associated color difference or primary color signal by the signal mixing device. The output of the signal mixing device is a color difference or primary color signal that has amplitude values less than or equal to the amplitude values of the limit signal.
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公开(公告)号：DE3625932A1
公开(公告)日：1987-02-12
申请号：DE3625932
申请日：1986-07-31
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS
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).
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公开(公告)号：FR2585914A1
公开(公告)日：1987-02-06
申请号：FR8611061
申请日：1986-07-30
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS
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).
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Patent Agency Ranking
公开(公告)号：MY8600722A
公开(公告)日：1986-12-31
申请号：MY8600722
申请日：1986-12-30
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS , MEISE WILLIAM HARRY
Abstract: A digital signal coring circuit removes from a stream of incoming digital data words low-valued variations lying between upper and lower threshold reference values. Upper and lower threshold values are adjusted in response to the value of the outgoing cored digital data words so that such low-valued variations are removed over the entire range of values of the digital data words, and not merely around a baseline value.
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公开(公告)号：AU554210B2
公开(公告)日：1986-08-14
申请号：AU9010982
申请日：1982-11-03
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS , WALTER JAMES MORGAN
Abstract: A high speed multiplier, such as for video signals features cascaded ROMs. Each ROM is divided into pages, and each page contains different multiplying coefficients. Different significant bits of a control signal are applied to each ROM to select a page for processing the video signal.
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公开(公告)号：FR2533785B1
公开(公告)日：1986-05-23
申请号：FR8315162
申请日：1983-09-23
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS , MEISE WILLIAM HARRY
Abstract: A digital signal coring circuit removes from a stream of incoming digital data words low-valued variations lying between upper and lower threshold reference values. Upper and lower threshold values are adjusted in response to the value of the outgoing cored digital data words so that such low-valued variations are removed over the entire range of values of the digital data words, and not merely around a baseline value.
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公开(公告)号：GB2128441B
公开(公告)日：1986-01-08
申请号：GB8325248
申请日：1983-09-21
Applicant: RCA CORP
Inventor： DISCHERT ROBERT ADAMS , MEISE WILLIAM HARRY
Abstract: A digital signal coring circuit removes from a stream of incoming digital data words low-valued variations lying between upper and lower threshold reference values. Upper and lower threshold values are adjusted in response to the value of the outgoing cored digital data words so that such low-valued variations are removed over the entire range of values of the digital data words, and not merely around a baseline value.
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公开(公告)号：FR2561479A1
公开(公告)日：1985-09-20
申请号：FR8418469
申请日：1984-12-04
Applicant: RCA CORP
Inventor： HURST ROBERT NORMAN JR , DISCHERT ROBERT ADAMS
Abstract: An apparatus for correcting errors in color signal transitions includes a signal scaling device and a signal mixing device. A wide bandwidth luminance signal is applied to the signal scaling device which develops a limiting signal for a particular narrow bandwidth color difference or primary color signal. This limiting signal is mixed with its associated color difference or primary color signal by the signal mixing device. The output of the signal mixing device is a color difference or primary color signal that has amplitude values less than or equal to the amplitude values of the limit signal.
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