JPS579188A - Recording and playback system for video signal - Google Patents

Recording and playback system for video signal

Info

Publication number
JPS579188A
JPS579188A JP8281080A JP8281080A JPS579188A JP S579188 A JPS579188 A JP S579188A JP 8281080 A JP8281080 A JP 8281080A JP 8281080 A JP8281080 A JP 8281080A JP S579188 A JPS579188 A JP S579188A
Authority
JP
Japan
Prior art keywords
signal
head
chroma
luminance
luminance signal
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
JP8281080A
Other languages
Japanese (ja)
Other versions
JPH022358B2 (en
Inventor
Katsuhiko Yamamoto
Chojuro Yamamitsu
Kunio Sekimoto
Kozo Kurashina
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8281080A priority Critical patent/JPS579188A/en
Publication of JPS579188A publication Critical patent/JPS579188A/en
Publication of JPH022358B2 publication Critical patent/JPH022358B2/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
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only

Landscapes

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

Abstract

PURPOSE:To obtain a playback signal having high quality for luminance signal and chroma signal with small-sized and lightweight constitution, by converting the chroma signal into a low frequency conversion arrier chrominance signal and recording it in the head different from a luminance signal through synthesizing the same with a single carrier wave. CONSTITUTION:A three-primary color signal from a camera 1 is converted into a luminance signal and a chroma signal at a matrix circuit 3. Further, the luminance signal is recorded by a head 5 via a frequency modulator 4. Further, the chroma signal is modulated at a balanced modulator 9 by a subcarrier wave chrominance signal and is converted to the low frequencies at a frequency converter 12 and added at an adder 13 together with a single carrier wave from a frequency converter 11 and recorded by a head 14. Further, a signal reproduced from the head 14 at playback is separated into a low frequency conversion carrier chrominance signal and a single carrier wave at filters 16, 17, and the difference of the two is taken at a frequency converter 20 to obtain the original carrier chrominance signal and a video signal is obtained by adding it with a luminance signal from the head 5 at an adder 8.
JP8281080A 1980-06-20 1980-06-20 Recording and playback system for video signal Granted JPS579188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8281080A JPS579188A (en) 1980-06-20 1980-06-20 Recording and playback system for video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8281080A JPS579188A (en) 1980-06-20 1980-06-20 Recording and playback system for video signal

Publications (2)

Publication Number Publication Date
JPS579188A true JPS579188A (en) 1982-01-18
JPH022358B2 JPH022358B2 (en) 1990-01-17

Family

ID=13784762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8281080A Granted JPS579188A (en) 1980-06-20 1980-06-20 Recording and playback system for video signal

Country Status (1)

Country Link
JP (1) JPS579188A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491540U (en) * 1972-04-14 1974-01-08
JPS4979121A (en) * 1972-12-01 1974-07-31
JPS501495A (en) * 1973-05-10 1975-01-09
JPS5419731A (en) * 1977-07-14 1979-02-14 Nippon Telegr & Teleph Corp <Ntt> Holder unit for conduction transmitter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491540U (en) * 1972-04-14 1974-01-08
JPS4979121A (en) * 1972-12-01 1974-07-31
JPS501495A (en) * 1973-05-10 1975-01-09
JPS5419731A (en) * 1977-07-14 1979-02-14 Nippon Telegr & Teleph Corp <Ntt> Holder unit for conduction transmitter

Also Published As

Publication number Publication date
JPH022358B2 (en) 1990-01-17

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