JPS57184381A - Video signal processor - Google Patents

Video signal processor

Info

Publication number
JPS57184381A
JPS57184381A JP56068250A JP6825081A JPS57184381A JP S57184381 A JPS57184381 A JP S57184381A JP 56068250 A JP56068250 A JP 56068250A JP 6825081 A JP6825081 A JP 6825081A JP S57184381 A JPS57184381 A JP S57184381A
Authority
JP
Japan
Prior art keywords
output
circuit
emphasizing circuit
video signal
adder
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
JP56068250A
Other languages
English (en)
Other versions
JPH0241951B2 (ja
Inventor
Nobuitsu Yamashita
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP56068250A priority Critical patent/JPS57184381A/ja
Priority to US06/374,881 priority patent/US4570193A/en
Publication of JPS57184381A publication Critical patent/JPS57184381A/ja
Publication of JPH0241951B2 publication Critical patent/JPH0241951B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
JP56068250A 1981-05-08 1981-05-08 Video signal processor Granted JPS57184381A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56068250A JPS57184381A (en) 1981-05-08 1981-05-08 Video signal processor
US06/374,881 US4570193A (en) 1981-05-08 1982-05-04 Video signal processing device including emphasis and/or de-emphasis circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56068250A JPS57184381A (en) 1981-05-08 1981-05-08 Video signal processor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62323900A Division JPS63266983A (ja) 1987-12-23 1987-12-23 映像信号処理装置

Publications (2)

Publication Number Publication Date
JPS57184381A true JPS57184381A (en) 1982-11-13
JPH0241951B2 JPH0241951B2 (ja) 1990-09-20

Family

ID=13368321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56068250A Granted JPS57184381A (en) 1981-05-08 1981-05-08 Video signal processor

Country Status (2)

Country Link
US (1) US4570193A (ja)
JP (1) JPS57184381A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533787A1 (fr) * 1982-09-25 1984-03-30 Victor Company Of Japan Systeme de traitement de signal video
JPS59227008A (ja) * 1983-06-08 1984-12-20 Victor Co Of Japan Ltd 磁気記録再生装置
JPS59227006A (ja) * 1983-12-09 1984-12-20 Victor Co Of Japan Ltd 映像信号再生装置
JPS607278A (ja) * 1983-06-24 1985-01-16 Matsushita Electric Ind Co Ltd 信号処理装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6093682A (ja) * 1983-10-25 1985-05-25 Sony Corp デイジタル非線形プリエンフアシス回路
US4839726A (en) * 1987-07-31 1989-06-13 Fairchild Weston Systems, Inc. Video enhancement method and system
JPH01248812A (ja) * 1988-03-30 1989-10-04 Toshiba Corp デジタルクリップ回路
GB2234133B (en) * 1989-07-14 1993-11-10 Mitsubishi Electric Corp Video signal processing apparatus
US5343244A (en) * 1989-10-18 1994-08-30 Sony Corporation Video signal processing apparatus for use with a video camera
JPH0445671A (ja) * 1990-06-12 1992-02-14 Sony Corp テレビジョン信号の輪郭強調回路
EP0684605B1 (en) * 1994-05-23 1999-10-06 STMicroelectronics S.r.l. Parallel architecture PRML device for processing signals from a magnetic head during a reading step of data stored on a magnetic support
EP0684608B1 (en) * 1994-05-23 1999-10-06 STMicroelectronics S.r.l. Device for processing servo signals in a parallel architecture PRML reading apparatus for hard disks
US7375573B2 (en) * 2006-05-25 2008-05-20 Micron Technology, Inc. De-emphasis system and method for coupling digital signals through capacitively loaded lines
US8269727B2 (en) 2007-01-03 2012-09-18 Apple Inc. Irregular input identification

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138212A (en) * 1977-05-10 1978-12-02 Nippon Hoso Kyokai <Nhk> Emphasis system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
US3535443A (en) * 1968-07-22 1970-10-20 Gen Electric X-ray image viewing apparatus
DE2630085C3 (de) * 1975-07-21 1978-07-13 Hughes Aircraft Co., Culver City, Calif. (V.St.A.) CCD-Transversalfilter
US4330769A (en) * 1980-02-07 1982-05-18 Mostek Corporation Single electrode sense circuit for charge-coupled transversal filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138212A (en) * 1977-05-10 1978-12-02 Nippon Hoso Kyokai <Nhk> Emphasis system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533787A1 (fr) * 1982-09-25 1984-03-30 Victor Company Of Japan Systeme de traitement de signal video
JPS5956204A (ja) * 1982-09-25 1984-03-31 Victor Co Of Japan Ltd 記録再生装置
JPH0156591B2 (ja) * 1982-09-25 1989-11-30 Victor Company Of Japan
JPS59227008A (ja) * 1983-06-08 1984-12-20 Victor Co Of Japan Ltd 磁気記録再生装置
JPS607278A (ja) * 1983-06-24 1985-01-16 Matsushita Electric Ind Co Ltd 信号処理装置
JPH0142559B2 (ja) * 1983-06-24 1989-09-13 Matsushita Electric Ind Co Ltd
JPS59227006A (ja) * 1983-12-09 1984-12-20 Victor Co Of Japan Ltd 映像信号再生装置

Also Published As

Publication number Publication date
US4570193A (en) 1986-02-11
JPH0241951B2 (ja) 1990-09-20

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