JPS5775087A - Color signal processing circuit - Google Patents

Color signal processing circuit

Info

Publication number
JPS5775087A
JPS5775087A JP55150987A JP15098780A JPS5775087A JP S5775087 A JPS5775087 A JP S5775087A JP 55150987 A JP55150987 A JP 55150987A JP 15098780 A JP15098780 A JP 15098780A JP S5775087 A JPS5775087 A JP S5775087A
Authority
JP
Japan
Prior art keywords
carrier phase
pulses
video signal
switching
synchronizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP55150987A
Other languages
Japanese (ja)
Other versions
JPH026476B2 (en
Inventor
Shigeo Abe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55150987A priority Critical patent/JPS5775087A/en
Publication of JPS5775087A publication Critical patent/JPS5775087A/en
Publication of JPH026476B2 publication Critical patent/JPH026476B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To obtain a simple triple system (recordable and reproducible in PAL and SECAM systems and reproducible in the NTSC system), by correcting signals, which are obtained from the first and the second rotary heads, so that intervals of synchronizing pulses become regular and by obtaining carrier phase switching pulses for reproducing in the NTSC system on a basis of a delay video signal. CONSTITUTION:A signal (through video signal) where intervals of synchronizing pulses become irregular at a head switching time is inputted to an input terminal 17, and a delay video signal is inputted to an input terminal 32. The delay video signal is supplied to an equivalent pulse eliminating circuit 34 through a synchronizing separating circuit 33 to extract synchronizing pulses. These pulses are used as carrier phase switching pulses of a carrier phase control circuit 23. At this time, since the switching timing does not coincide for one reproduced output, a head switching pulse is led to the carrier phase control circuit as a carrier phase switching stop signal.
JP55150987A 1980-10-28 1980-10-28 Color signal processing circuit Granted JPS5775087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55150987A JPS5775087A (en) 1980-10-28 1980-10-28 Color signal processing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55150987A JPS5775087A (en) 1980-10-28 1980-10-28 Color signal processing circuit

Publications (2)

Publication Number Publication Date
JPS5775087A true JPS5775087A (en) 1982-05-11
JPH026476B2 JPH026476B2 (en) 1990-02-09

Family

ID=15508801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55150987A Granted JPS5775087A (en) 1980-10-28 1980-10-28 Color signal processing circuit

Country Status (1)

Country Link
JP (1) JPS5775087A (en)

Also Published As

Publication number Publication date
JPH026476B2 (en) 1990-02-09

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