DE69110986D1 - Schaltung zur Ermittlung des durchschnittlichen Pegels eines Bildsignals. - Google Patents

Schaltung zur Ermittlung des durchschnittlichen Pegels eines Bildsignals.

Info

Publication number: DE69110986D1
Authority: DE; Germany
Prior art keywords: determining; circuit; image signal; average level; average
Prior art date: 1990-07-19
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

DE69110986T

Other languages

English (en)

Other versions

DE69110986T2 (de

Inventor

Atsuhisa Kageyama

Hideaki Sadamatsu

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.)

1990-07-19

Filing date

1991-07-12

Publication date

1995-08-10

1991-07-12 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1995-08-10 Application granted granted Critical

1995-08-10 Publication of DE69110986D1 publication Critical patent/DE69110986D1/de

1995-12-21 Publication of DE69110986T2 publication Critical patent/DE69110986T2/de

2011-07-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Picture Signal Circuits (AREA)
Amplifiers (AREA)

DE69110986T 1990-07-19 1991-07-12 Schaltung zur Ermittlung des durchschnittlichen Pegels eines Bildsignals. Expired - Fee Related DE69110986T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2189471A JP2764761B2 (ja)	1990-07-19	1990-07-19	映像信号平均輝度レベル検出装置

Publications (2)

Publication Number	Publication Date
DE69110986D1 true DE69110986D1 (de)	1995-08-10
DE69110986T2 DE69110986T2 (de)	1995-12-21

Family

ID=16241820

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69110986T Expired - Fee Related DE69110986T2 (de)	1990-07-19	1991-07-12	Schaltung zur Ermittlung des durchschnittlichen Pegels eines Bildsignals.

Country Status (7)

Country	Link
US (1)	US5223927A (de)
EP (1)	EP0467223B1 (de)
JP (1)	JP2764761B2 (de)
KR (1)	KR940011066B1 (de)
CA (1)	CA2046774C (de)
DE (1)	DE69110986T2 (de)
MY (1)	MY106186A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5467046A (en) *	1991-05-23	1995-11-14	Nec Corporation	Logarithmic intermediate-frequency amplifier
JPH05151705A (ja) *	1991-11-27	1993-06-18	Hitachi Ltd	ビデオ信号処理装置および信号処理回路
US5391944A (en) *	1992-01-22	1995-02-21	Matsushita Electric Industrial Co., Ltd.	Image-tone control circuit and gradient adjusting circuit therefor
US5453798A (en) *	1993-02-05	1995-09-26	Thomson Consumer Electronics, Inc.	Black compensation circuit for a video display system
US5367211A (en) *	1993-06-28	1994-11-22	Harris Corporation	Differential amplifier with hysteresis
JPH09130646A (ja) *	1995-11-01	1997-05-16	Nec Corp	映像信号の平均輝度レベル検出回路
JP3998636B2 (ja) *	2003-12-26	2007-10-31	株式会社東芝	映像処理装置
US7209577B2 (en) *	2005-07-14	2007-04-24	Logitech Europe S.A.	Facial feature-localized and global real-time video morphing
US20070230794A1 (en) *	2006-04-04	2007-10-04	Logitech Europe S.A.	Real-time automatic facial feature replacement
JP4863375B2 (ja) *	2006-09-28	2012-01-25	日東工業株式会社	配線用遮断器
KR20130133499A (ko) *	2012-05-29	2013-12-09	삼성디스플레이 주식회사	유기전계발광 표시장치 및 그의 구동방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD49023A (de) *
DE49023C (de) *			E. JÜPTNER in Wien	Vorrichtung zum Befestigen von Damenhüten auf dem Kopfe
US3569620A (en) *	1969-03-21	1971-03-09	Rca Corp	Automatic video signal gain controlling apparatus
GB1451830A (en) *	1974-07-30	1976-10-06	Inst Elektroniki I Vychesletel	Apparatus for processing video signals
JPS564905A (en) *	1979-06-27	1981-01-19	Toshiba Corp	Voltage-current converting circuit
US4340904A (en) *	1980-12-24	1982-07-20	General Electric Company	Automatic gray scale tracking system for cathode ray display devices
US4543614A (en) *	1984-01-23	1985-09-24	Rca Corporaton	Video sync validity detector
JPS61140279A (ja) *	1984-12-12	1986-06-27	Toshiba Corp	映像信号処理回路
US5162902A (en) *	1991-12-16	1992-11-10	Thomson Consumer Electronics, Inc.	Non-linear luminance signal processor responsive to average picture level (APL) of displayed image

1990
- 1990-07-19 JP JP2189471A patent/JP2764761B2/ja not_active Expired - Lifetime
1991
- 1991-07-10 US US07/728,245 patent/US5223927A/en not_active Expired - Fee Related
- 1991-07-11 CA CA002046774A patent/CA2046774C/en not_active Expired - Fee Related
- 1991-07-12 DE DE69110986T patent/DE69110986T2/de not_active Expired - Fee Related
- 1991-07-12 MY MYPI91001257A patent/MY106186A/en unknown
- 1991-07-12 EP EP91111586A patent/EP0467223B1/de not_active Expired - Lifetime
- 1991-07-18 KR KR1019910012208A patent/KR940011066B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
KR920003742A (ko)	1992-02-29
EP0467223B1 (de)	1995-07-05
KR940011066B1 (ko)	1994-11-22
MY106186A (en)	1995-03-31
JP2764761B2 (ja)	1998-06-11
EP0467223A1 (de)	1992-01-22
JPH0479481A (ja)	1992-03-12
DE69110986T2 (de)	1995-12-21
CA2046774C (en)	1995-05-16
US5223927A (en)	1993-06-29
CA2046774A1 (en)	1992-01-20

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Legal Events

Date	Code	Title	Description
1996-08-08	8364	No opposition during term of opposition
2007-05-16	8339	Ceased/non-payment of the annual fee