JPH0131837B2 - - Google Patents

Info

Publication number
JPH0131837B2
JPH0131837B2 JP58011558A JP1155883A JPH0131837B2 JP H0131837 B2 JPH0131837 B2 JP H0131837B2 JP 58011558 A JP58011558 A JP 58011558A JP 1155883 A JP1155883 A JP 1155883A JP H0131837 B2 JPH0131837 B2 JP H0131837B2
Authority
JP
Japan
Prior art keywords
circuit
emphasis
signal
chroma
chroma 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.)
Expired
Application number
JP58011558A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59138186A (ja
Inventor
Osamu Takase
Tomomitsu Azeyanagi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58011558A priority Critical patent/JPS59138186A/ja
Priority to EP83108931A priority patent/EP0103286B1/en
Priority to US06/530,629 priority patent/US4612585A/en
Priority to DE8383108931T priority patent/DE3381279D1/de
Priority to AT83108931T priority patent/ATE50679T1/de
Publication of JPS59138186A publication Critical patent/JPS59138186A/ja
Publication of JPH0131837B2 publication Critical patent/JPH0131837B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP58011558A 1982-09-10 1983-01-28 クロマ信号のエンフアシス・デイエンフアシス回路 Granted JPS59138186A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58011558A JPS59138186A (ja) 1983-01-28 1983-01-28 クロマ信号のエンフアシス・デイエンフアシス回路
EP83108931A EP0103286B1 (en) 1982-09-10 1983-09-09 Chrominance signal recording and reproducing apparatus
US06/530,629 US4612585A (en) 1982-09-10 1983-09-09 Chrominance signal recording and reproducing apparatus
DE8383108931T DE3381279D1 (de) 1982-09-10 1983-09-09 Aufzeichnungs- und wiedergabegeraet fuer chrominanzsignal.
AT83108931T ATE50679T1 (de) 1982-09-10 1983-09-09 Aufzeichnungs- und wiedergabegeraet fuer chrominanzsignal.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58011558A JPS59138186A (ja) 1983-01-28 1983-01-28 クロマ信号のエンフアシス・デイエンフアシス回路

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2286991A Division JPH03205994A (ja) 1990-10-26 1990-10-26 クロマ信号のエンファシス・ディエンファシス回路

Publications (2)

Publication Number Publication Date
JPS59138186A JPS59138186A (ja) 1984-08-08
JPH0131837B2 true JPH0131837B2 (en]) 1989-06-28

Family

ID=11781264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58011558A Granted JPS59138186A (ja) 1982-09-10 1983-01-28 クロマ信号のエンフアシス・デイエンフアシス回路

Country Status (1)

Country Link
JP (1) JPS59138186A (en])

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535909A (en) * 1976-07-06 1978-01-19 Sony Corp De-emphasis circuit
JPS5847914B2 (ja) * 1977-11-15 1983-10-25 日本ビクター株式会社 Ｓｅｃａｍ方式カラ−映像信号記録再生方式
JPS5542415A (en) * 1978-09-20 1980-03-25 Hitachi Ltd Emphasis/de-emphasis circuit
JPS55125786A (en) * 1979-03-23 1980-09-27 Matsushita Electric Ind Co Ltd Recording and reproduction method for video signal

Also Published As

Publication number Publication date
JPS59138186A (ja) 1984-08-08

Similar Documents

Publication Publication Date Title
US4612585A (en) Chrominance signal recording and reproducing apparatus
US4860105A (en) Noise Reducing circuit of a video signal
US5220427A (en) Magnetic reproducing apparatus having circuit for preventing reversal of white peak
US4556917A (en) Magnetic recording/reproducing apparatus for video and sound
JPH0570358B2 (en])
JPH0131837B2 (en])
US5182520A (en) Non-linear de-emphasis circuit
JP2627351B2 (ja) 映像信号再生装置
JP2545775Y2 (ja) 再生特性切換回路
US5097336A (en) Signal processing apparatus
JP2685809B2 (ja) 雑音除去回路
JP2831996B2 (ja) 信号記録装置
JP3149603B2 (ja) 非線形信号処理装置及びその回路
US5497242A (en) Write current control circuit for audio recording
JPH0238483Y2 (en])
JPS6258169B2 (en])
JP2656816B2 (ja) ノイズリダクション回路
HK77591A (en) Circuit for improving the sharpness of a picture reproduced by a video recorder
JPS62171288A (ja) ビデオテ−プレコ−ダの記録画質補償回路
KR960007566Y1 (ko) Ntsc/pal 겸용 시스템에서의 음성신호처리회로
JPH0131838B2 (en])
JPS5949089A (ja) クロマ信号のエンフアシス・デイエンフアシス回路
JPS5992691A (ja) ノンリニヤエンフアシス回路
JPH027228B2 (en])
JPH0452546B2 (en])