1.
    发明专利
    未知

    公开(公告)号:SE7906411L

    公开(公告)日:1980-02-03

    申请号:SE7906411

    申请日:1979-07-26

    Applicant: RCA CORP

    Abstract: A comb filter comprising a charge transfer device (CTD) structure for separating frequency interleaved luminance and chrominance components of a composite color television signal directly within the CTD structure. The CTD structure has first and second pairs of input sections of substantially identical geometry, one input section of the second pair being preceded by a signal inverter. Signal charge as applied to the first and second input pairs are delayed such that signal charge from the first input pair exhibits a 1H delay relative to signal charge from the second input pair, when the signal charge from the respective input pairs are combined with each other. A first charge summing well combines mutually in-phase signal charge at multiples of the line scanning frequency from the first and second inputs to provide a combed luminance signal charge component, while a second well combines mutually inverted or out-of-phase signal charge at these frequencies from the first and second inputs to provide a combed chrominance signal charge component.

    2.
    发明专利
    未知

    公开(公告)号:SE434325B

    公开(公告)日:1984-07-16

    申请号:SE7906411

    申请日:1979-07-26

    Applicant: RCA CORP

    Abstract: A comb filter comprising a charge transfer device (CTD) structure for separating frequency interleaved luminance and chrominance components of a composite color television signal directly within the CTD structure. The CTD structure has first and second pairs of input sections of substantially identical geometry, one input section of the second pair being preceded by a signal inverter. Signal charge as applied to the first and second input pairs are delayed such that signal charge from the first input pair exhibits a 1H delay relative to signal charge from the second input pair, when the signal charge from the respective input pairs are combined with each other. A first charge summing well combines mutually in-phase signal charge at multiples of the line scanning frequency from the first and second inputs to provide a combed luminance signal charge component, while a second well combines mutually inverted or out-of-phase signal charge at these frequencies from the first and second inputs to provide a combed chrominance signal charge component.

    6.
    发明专利
    未知

    公开(公告)号:SE7811628L

    公开(公告)日:1979-05-17

    申请号:SE7811628

    申请日:1978-11-10

    Applicant: RCA CORP

    Abstract: DIGITAL MEMORY ADDRESSING SYSTEM A digital memory may be addressed with an analog signal utilizing a circuit comprising a digital to analog converter. A comparator compares the output of the digital to analog converter to the analog address signal. The output of the comparator is coupled to means for incrementing and decrementing a digital number in response to that output. The digital number incrementing and decrementing means has an output which is coupled to the addressing input of the digital memory. Switch means alternately connects the input of the digital to analog converter to either the output of the random access memory or the output of the means for changing the digital number.

    10.
    发明专利
    未知

    公开(公告)号:DK325379A

    公开(公告)日:1980-02-03

    申请号:DK325379

    申请日:1979-08-01

    Applicant: RCA CORP

    Abstract: A comb filter comprising a charge transfer device (CTD) structure for separating frequency interleaved luminance and chrominance components of a composite color television signal directly within the CTD structure. The CTD structure has first and second pairs of input sections of substantially identical geometry, one input section of the second pair being preceded by a signal inverter. Signal charge as applied to the first and second input pairs are delayed such that signal charge from the first input pair exhibits a 1H delay relative to signal charge from the second input pair, when the signal charge from the respective input pairs are combined with each other. A first charge summing well combines mutually in-phase signal charge at multiples of the line scanning frequency from the first and second inputs to provide a combed luminance signal charge component, while a second well combines mutually inverted or out-of-phase signal charge at these frequencies from the first and second inputs to provide a combed chrominance signal charge component.

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