Claims
- 1. A magnetic recorder and regenerator, comprising:
- a luminance signal input terminal for receiving a luminance signal;
- a line-sequential signal input terminal for receiving a line-sequential signal;
- a plurality of color differential signal input terminals for receiving color differential signals;
- a line-sequencing circuit connected to said color differential signal input terminals for alternately line-sequencing said color differential signals, thereby producing a line-sequential signal;
- means for recording said luminance signal and one of the line-sequential signals onto a medium; and
- a changeover switch for connecting said recording means with either of said line-sequencing circuit and said line-sequential signal input terminal.
- 2. The magnetic recorder and regenerator of claim 1, further comprising a gain-controlled amplifier for controlling said difference amount of said line-sequential signal which is received by said line-sequential signal input terminal.
- 3. The magnetic recorder and regenerator of claim 1, further comprising:
- means for clamping a certain line-sequential signal which is received by said line-sequential signal input terminal; and
- means for discriminating between different color differential signals within said certain line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said certain line-sequential signal which corresponds to one of said different color differential signals.
- 4. The magnetic recorder and regenerator of claim 1, further comprising:
- a gain-controlled amplifier, coupled to said line-sequential signal input terminal, for controlling said difference amount of a certain line-sequential signal which is received by said line-sequential signal input terminal;
- means for clamping said certain line-sequential signal; and
- means for discriminating between different color differential signals within said line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said certain line-sequential signal which corresponds to one of said different color differential signals.
- 5. The magnetic recorder and regenerator of claim 1, further comprising:
- means for regenerating a luminance signal and a previously recorded line-sequential signal from said medium, said previously recorded line-sequential signal comprising a plurality of color signals each having a respective DC component which has a predetermined DC signal level, a pair of the DC signal levels being separated by a difference amount;
- a luminance signal output terminal for outputting said luminance signal;
- a line-sequential signal output terminal for outputting said previously recorded line-sequential signal;
- means for separating different color differential signals from said previously recorded line-sequential signal by rearranging said previously recorded line-sequential signal; and
- color differential signal output terminals for outputting said different color differential signals in parallel.
- 6. The magnetic recorder and regenerator of claim 5, further comprising a gain-controlled amplifier for controlling said difference amount of said line-sequential signal which is received by said line-sequential signal input terminal.
- 7. The magnetic recorder and regenerator of claim 5, further comprising:
- means for clamping a certain line-sequential signal which is received by said line-sequential signal input terminal; and
- means for discriminating between different color differential signals within said certain line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said certain line-sequential signal which corresponds to one of said different color differential signals.
- 8. The magnetic recorder and regenerator of claim 5, further comprising:
- a gain-controlled amplifier for controlling said difference amount of a certain line-sequential signal which is received by said line-sequential signal input terminal;
- means for clamping said certain line-sequential signal; and
- means for discriminating between different color differential signals within said certain line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said certain line-sequential signal which corresponds to one of said different color differential signals.
- 9. The magnetic recorder and regenerator of claim 5, further comprising means for controlling said difference amount of said previously recorded line-sequential signal which is output by said line-sequential signal output terminal.
- 10. The magnetic recorder and regenerator of claim 5, further comprising:
- means for clamping said previously recorded line-sequential signal; and
- means for discriminating between different color differential signals within said previously recorded line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said previously recorded line-sequential signal which corresponds to one of said different color differential signals.
- 11. The magnetic recorder and regenerator of claim 5, further comprising:
- means for controlling said difference amount of said previously recorded line-sequential signal;
- means for clamping said previously recorded line-sequential signal; and
- means for discriminating between different color differential signals within said previously recorded line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said previously recorded line-sequential signal which corresponds to one of said different color differential signals.
- 12. A magnetic recorder and regenerator, comprising:
- a luminance signal input terminal for receiving a luminance signal;
- a line-sequential signal input terminal for receiving a line-sequential signal;
- means for recording said luminance signal and said line-sequential signal into a medium;
- a clamping circuit for clamping said line-sequential signal which is received by said line sequential input terminal; and
- a color differential signal discriminating circuit for discriminating between different components of said line-sequential signal, and for providing a clamp timing signal to said clamping circuit so as to clamp a portion of said line-sequential signal which corresponds to one of said different components of said line-sequential signal.
- 13. The magnetic recorder and regenerator of claim 12, further comprising:
- means for regenerating said luminance signal and said line-sequential signal from said medium;
- a luminance signal output terminal for outputting said luminance signal; and
- a line-sequential signal output terminal for outputting said line-sequential signal.
- 14. A magnetic recorder and regenerator, comprising:
- a regenerating circuit for regenerating a luminance signal and a line-sequential signal from a medium;
- a luminance signal output terminal for outputting said luminance signal;
- a line-sequential signal output terminal for outputting said line-sequential signal;
- a clamping circuit for clamping said line-sequential signal which is output by said line-sequential signal output terminal; and
- a color differential signal discriminating circuit for discriminating between different components of said line-sequential signal, and for providing a clamp timing signal to said clamping circuit to clamp a portion of said line-sequential signal which corresponds to one of said different components.
- 15. The magnetic recorder and regenerator of claim 1, wherein said recording means comprises a recording circuit for recording said luminance signal and said line-sequential signal onto a recording medium.
- 16. The magnetic recorder and regenerator of claim 3, wherein said clamping means comprises a clamping circuit, and said discriminating means comprises a color differential signal discriminating circuit.
- 17. The magnetic recorder and regenerator of claim 5, wherein said separating means comprises a rearranging circuit.
- 18. The magnetic recorder and regenerator of claim 5, wherein said regenerating means comprises a regenerating circuit.
- 19. The magnetic recorder and regenerator of claim 11, wherein said controlling means comprises a gain-controlled amplifier.
- 20. The magnetic recorder and regenerator according to claim 1, wherein the line-sequential signals each comprise a plurality of color signals each having a respective DC component which has a predetermined DC signal level, a pair of the DC signal levels being separated by a difference amount.
- 21. A magnetic recorder and regenerator, comprising:
- a luminance signal input terminal for receiving a luminance signal;
- a line-sequential signal input terminal connected to means for receiving a line-sequential signal, said line-sequential signal comprising a plurality of color signals each having a respective DC component which has a predetermined DC signal level, a pair of the DC signal levels being separated by a difference amount;
- a plurality of color signal input terminals for receiving color signals;
- a line-sequencing circuit connected to said color signal input terminals for alternately line-sequencing said color signals, and thereby generating a generated line-sequential signal, at a terminal which is distinct from said line-sequential signal input terminal, said generated line-sequential signal comprising the line-sequenced color signals each having a respective DC component which has a predetermined DC signal level, a pair of the DC signal levels being separated by a difference amount;
- means for recording said luminance signal and one of the line-sequential signals into a medium; and
- a changeover switch for selectively connecting said recording means with either of said line-sequential circuit and said line-sequential signal input terminal.
- 22. The magnetic recorder and regenerator according to claim 21, wherein said color signals comprise color differential signals.
- 23. The magnetic recorder and regenerator according to claim 22, further comprising:
- means for regenerating a luminance signal and a previously recorded line-sequential signal from a medium, said previously recorded line-sequential signal comprising a plurality of color signals each having a respective DC component which has a predetermined DC signal level, a pair of the DC signal levels being separated by a difference amount;
- a luminance signal output terminal for outputting said luminance signal;
- a line-sequential signal output terminal for outputting said previously recorded line-sequential signal;
- means for separating different color differential signals from said previously recorded line-sequential signal by rearranging said previously recorded line-sequential signal;
- color differential signal output terminals for outputting said different color differential signals in parallel; and
- means for coupling said line-sequential signal input terminal to said line-sequential signal output terminal.
- 24. The magnetic recorder and regenerator according to claim 23, wherein said coupling means comprises a gain-controlled amplifier for controlling said difference amount of said line-sequential signal which is received by said line-sequential signal input terminal.
- 25. The magnetic recorder and regenerator according to claim 24, said coupling means further comprising:
- means for clamping a certain line-sequential signal which is received by said line-sequential signal input terminal; and
- means for discriminating between different color differential signals within said certain line-sequential signal, and for providing a clamp timing signal to said clamping means so as to clamp a portion of said certain line-sequential signal which corresponds to one of said different color differential signals.
Priority Claims (2)
Number |
Date |
Country |
Kind |
62-97877 |
Apr 1987 |
JPX |
|
62-97878 |
Apr 1987 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 07/569,366, filed Aug. 15, 1990, U.S. Pat. No. 5,029,012, which is a continuation of application Ser. No. 07/184,012 filed Apr. 20, 1988, now abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (1)
Number |
Date |
Country |
60-206397 |
Oct 1985 |
JPX |
Continuations (2)
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Number |
Date |
Country |
Parent |
569366 |
Aug 1990 |
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Parent |
184012 |
Apr 1988 |
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