FR2471718B1 - Systeme de copie d'un signal video couleur - Google Patents

Systeme de copie d'un signal video couleur

Info

Publication number
FR2471718B1
FR2471718B1 FR8025659A FR8025659A FR2471718B1 FR 2471718 B1 FR2471718 B1 FR 2471718B1 FR 8025659 A FR8025659 A FR 8025659A FR 8025659 A FR8025659 A FR 8025659A FR 2471718 B1 FR2471718 B1 FR 2471718B1
Authority
FR
France
Prior art keywords
video signal
color video
copying system
signal copying
color
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.)
Expired
Application number
FR8025659A
Other languages
English (en)
Other versions
FR2471718A1 (fr
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP15852079A external-priority patent/JPS5680984A/ja
Priority claimed from JP15851879A external-priority patent/JPS5680982A/ja
Priority claimed from JP15851979A external-priority patent/JPS5680983A/ja
Priority claimed from JP15851779A external-priority patent/JPS5680981A/ja
Priority claimed from JP15852179A external-priority patent/JPS5680985A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of FR2471718A1 publication Critical patent/FR2471718A1/fr
Application granted granted Critical
Publication of FR2471718B1 publication Critical patent/FR2471718B1/fr
Expired 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
    • H04N9/7933—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 the level control being frequency-dependent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
    • H04N5/9315—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal the level control being frequency dependent
    • 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
    • H04N9/83—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
FR8025659A 1979-12-06 1980-12-03 Systeme de copie d'un signal video couleur Expired FR2471718B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP15852079A JPS5680984A (en) 1979-12-06 1979-12-06 Color video signal dubbing system
JP15851879A JPS5680982A (en) 1979-12-06 1979-12-06 Color video signal dubbing system
JP15851979A JPS5680983A (en) 1979-12-06 1979-12-06 Color video signal dubbing system
JP15851779A JPS5680981A (en) 1979-12-06 1979-12-06 Color video signal dubbing system
JP15852179A JPS5680985A (en) 1979-12-06 1979-12-06 Color video signal dubbing system

Publications (2)

Publication Number Publication Date
FR2471718A1 FR2471718A1 (fr) 1981-06-19
FR2471718B1 true FR2471718B1 (fr) 1985-11-29

Family

ID=27528166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8025659A Expired FR2471718B1 (fr) 1979-12-06 1980-12-03 Systeme de copie d'un signal video couleur

Country Status (4)

Country Link
US (1) US4396953A (fr)
DE (1) DE3046129C2 (fr)
FR (1) FR2471718B1 (fr)
GB (1) GB2067376B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5765988A (en) * 1980-10-13 1982-04-21 Victor Co Of Japan Ltd Processing circuit for color video signal
NL8300077A (nl) * 1983-01-11 1984-08-01 Philips Nv Video opneemapparaat.
DE3461135D1 (en) * 1983-04-25 1986-12-04 Chiyuki Kano Apparatus for dubbing videotape
US4754340A (en) * 1983-11-01 1988-06-28 Matsushita Electric Industrial Co., Ltd. Method of reproducing a chrominance signal from a previously low-range-converted chrominance signal using comb filtering and sampling
KR900006490B1 (ko) * 1984-10-12 1990-09-01 마쯔시다덴기산교 가부시기가이샤 색신호 처리장치
JPS61271625A (ja) * 1985-05-27 1986-12-01 Hitachi Ltd デイジタルダビング方法
US4864421A (en) * 1986-09-09 1989-09-05 Matsushita Electric Industrial Co., Ltd. System for connecting a video signal recording/reproducing apparatus and a television receiver
US5194963A (en) * 1988-08-09 1993-03-16 Go-Video, Inc. Dual deck videocassette recorder system
DE3920591A1 (de) * 1989-06-23 1991-01-03 Thomson Brandt Gmbh Videorecorder mit ueberspiel-moeglichkeit
GB2234622B (en) * 1989-07-10 1993-10-06 Samsung Electronics Co Ltd An fm signal transfer-recording system for a vtr
JPH0349030A (ja) * 1989-07-18 1991-03-01 Tdk Corp 磁気記録媒体およびその製造方法
JP2800373B2 (ja) * 1990-05-31 1998-09-21 松下電器産業株式会社 磁気録画再生装置の自動画質調整装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757034A (en) * 1971-01-16 1973-09-04 Victor Company Of Japan Color video signal recording and reproducing system
JPS5549479B2 (fr) * 1973-06-08 1980-12-12
JPS5543316B2 (fr) * 1973-11-16 1980-11-05
JPS587117B2 (ja) * 1975-10-01 1983-02-08 ソニー株式会社 イロシンゴウシヨリカイロ
GB1579138A (en) * 1976-07-06 1980-11-12 Sony Corp Noise and cross-talk elimination in recording and reproducing video signals
JPS5350919A (en) * 1976-10-20 1978-05-09 Sony Corp Video signal recorder unit
DE2658944A1 (de) * 1976-12-24 1978-07-06 Bosch Gmbh Robert Verfahren und schaltungsanordnung zur frequenzgangkorrektur

Also Published As

Publication number Publication date
GB2067376A (en) 1981-07-22
DE3046129A1 (de) 1981-06-11
FR2471718A1 (fr) 1981-06-19
US4396953A (en) 1983-08-02
DE3046129C2 (de) 1982-12-30
GB2067376B (en) 1983-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse