DE68922433T2 - Aporturkorrekturschaltung. - Google Patents

Aporturkorrekturschaltung.

Info

Publication number
DE68922433T2
DE68922433T2 DE68922433T DE68922433T DE68922433T2 DE 68922433 T2 DE68922433 T2 DE 68922433T2 DE 68922433 T DE68922433 T DE 68922433T DE 68922433 T DE68922433 T DE 68922433T DE 68922433 T2 DE68922433 T2 DE 68922433T2
Authority
DE
Germany
Prior art keywords
aporture
correction circuit
correction
circuit
aporture correction
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 - Fee Related
Application number
DE68922433T
Other languages
English (en)
Other versions
DE68922433D1 (de
Inventor
Satoshi Takahashi
Eiji Takagi
Yukinari Ueki
Hideaki Ohki
Koji Kamogawa
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 Image Information Systems Inc
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Video Engineering 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 Hitachi Ltd, Hitachi Video Engineering Co Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE68922433D1 publication Critical patent/DE68922433D1/de
Publication of DE68922433T2 publication Critical patent/DE68922433T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
DE68922433T 1988-05-18 1989-05-10 Aporturkorrekturschaltung. Expired - Fee Related DE68922433T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11909388 1988-05-18
JP22236188 1988-09-07

Publications (2)

Publication Number Publication Date
DE68922433D1 DE68922433D1 (de) 1995-06-08
DE68922433T2 true DE68922433T2 (de) 1996-01-11

Family

ID=26456891

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922433T Expired - Fee Related DE68922433T2 (de) 1988-05-18 1989-05-10 Aporturkorrekturschaltung.

Country Status (4)

Country Link
US (1) US4994915A (de)
EP (1) EP0342511B1 (de)
JP (1) JP2865705B2 (de)
DE (1) DE68922433T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03121693A (ja) * 1989-10-04 1991-05-23 Sony Corp 色信号エンハンサ
US5343244A (en) * 1989-10-18 1994-08-30 Sony Corporation Video signal processing apparatus for use with a video camera
EP0454355B1 (de) * 1990-04-27 1996-12-27 Canon Kabushiki Kaisha Gerät zur Verarbeitung von Bildsignalen zwecks Verbesserung der Kantensteilheit
JP2551205B2 (ja) * 1990-06-28 1996-11-06 日本ビクター株式会社 輪郭補正回路
US5134482A (en) * 1990-11-26 1992-07-28 North American Philips Corporation Adjustable video sharpness circuit
JP2852390B2 (ja) * 1991-02-16 1999-02-03 株式会社半導体エネルギー研究所 表示装置
KR950000326B1 (ko) * 1991-12-27 1995-01-13 삼성전자 주식회사 윤곽보정장치
US5546135A (en) * 1992-02-28 1996-08-13 Matsushita Electric Industrial Co., Ltd. Contour restoration apparatus
DE69321386T2 (de) * 1992-03-09 1999-03-04 Thomson Multimedia Sa Verfahren und Vorrichtung zur Schärfeverbesserung
US5903316A (en) * 1992-12-25 1999-05-11 Canon Kabushiki Kaisha Information signal processing apparatus
US5543859A (en) * 1994-04-15 1996-08-06 Matsushita Electric Industrial Co., Ltd. Horizontal contour emphasizing signal processor
US5615019A (en) * 1994-04-21 1997-03-25 Hitachi, Ltd. Television apparatus with built-in optical disk device
JP3480615B2 (ja) * 1994-12-28 2003-12-22 ソニー株式会社 映像信号処理装置
JPH09244609A (ja) * 1996-03-06 1997-09-19 Matsushita Electric Ind Co Ltd 映像表示装置
DE69727547T2 (de) * 1996-08-26 2004-12-23 Koninklijke Philips Electronics N.V. Schärferegelung
KR19980030425A (ko) * 1996-10-29 1998-07-25 배순훈 윤곽 보정 회로
JP2000078438A (ja) * 1998-08-28 2000-03-14 Alps Electric Co Ltd 画像表示装置
EP1580474A1 (de) 2004-03-25 2005-09-28 MANIFATTURA TUBI GOMMA S.p.A. Mehrschichtiger, flexibler Schlauch
GB2423660B (en) * 2005-02-25 2010-08-18 Imagination Tech Ltd A method and apparatus for controlling overshoot in a video enhancement system
US20080229370A1 (en) * 2007-03-13 2008-09-18 Zustak Frederick J TV-centric system
JP5272697B2 (ja) 2008-12-15 2013-08-28 ソニー株式会社 表示装置、表示データ処理装置、表示データ処理方法
JP5742874B2 (ja) * 2013-05-14 2015-07-01 ソニー株式会社 表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL158987B (nl) * 1972-06-10 1978-12-15 Philips Nv Apertuurcorrector voor een televisiebeeldsignaal, alsmede televisie-opneeminrichting, daarvan voorzien.
JPS5068416A (de) * 1973-10-19 1975-06-07
US4041531A (en) * 1974-07-05 1977-08-09 Rca Corporation Television signal processing apparatus including a transversal equalizer
JPS53146310A (en) * 1977-05-26 1978-12-20 Coors Container Co Method of and apparatus for producing vessels for containing pressurized materials
JPS5668073A (en) * 1979-11-07 1981-06-08 Canon Inc Outline correcting device of video signal
JPS5958992A (ja) * 1982-09-28 1984-04-04 Matsushita Electric Ind Co Ltd 垂直デテ−ル補償装置

Also Published As

Publication number Publication date
EP0342511A3 (en) 1990-07-25
JPH02168776A (ja) 1990-06-28
DE68922433D1 (de) 1995-06-08
EP0342511A2 (de) 1989-11-23
US4994915A (en) 1991-02-19
JP2865705B2 (ja) 1999-03-08
EP0342511B1 (de) 1995-05-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee