FR2455829B1 - - Google Patents

Info

Publication number: FR2455829B1
Authority: FR; France
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

FR8010119A

Other versions

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.)

Grass Valley Group Inc

Original Assignee

Grass Valley Group 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.)

1979-04-30

Filing date

1980-04-29

Publication date

1983-11-10

1980-04-29 Application filed by Grass Valley Group Inc filed Critical Grass Valley Group Inc

1980-11-28 Publication of FR2455829A1 publication Critical patent/FR2455829A1/fr

1983-11-10 Application granted granted Critical

1983-11-10 Publication of FR2455829B1 publication Critical patent/FR2455829B1/fr

Status Expired 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
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/213—Circuitry for suppressing or minimising impulsive noise

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Picture Signal Circuits (AREA)
Synchronizing For Television (AREA)

FR8010119A 1979-04-30 1980-04-29 Expired FR2455829B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/028,306 US4254435A (en)	1979-04-30	1979-04-30	Noise eliminator for television synchronizing signal separating circuits

Publications (2)

Publication Number	Publication Date
FR2455829A1 FR2455829A1 (fr)	1980-11-28
FR2455829B1 true FR2455829B1 (fr)	1983-11-10

Family

ID=21842704

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8010119A Expired FR2455829B1 (fr)	1979-04-30	1980-04-29

Country Status (7)

Country	Link
US (1)	US4254435A (fr)
JP (1)	JPS55147078A (fr)
CA (1)	CA1139876A (fr)
DE (1)	DE3015848C2 (fr)
FR (1)	FR2455829B1 (fr)
GB (1)	GB2048607B (fr)
NL (1)	NL8001080A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4379309A (en) *	1981-04-22	1983-04-05	The United States Of America As Represented By The Secretary Of The Navy	Composite video signal separator
JPS5892187A (ja) *	1981-11-27	1983-06-01	Pioneer Video Corp	同期分離回路
DE3317672C2 (de) *	1983-05-14	1985-05-09	Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth	Schaltungsanordnung zur Ableitung eines Trigger-Signals aus einem Videosignal
US4604646A (en) *	1984-02-01	1986-08-05	Karlock James A	Video processing circuit
JPH0720205B2 (ja) *	1985-02-28	1995-03-06	キヤノン株式会社	同期分離回路
US4672450A (en) *	1985-04-09	1987-06-09	Benson, Inc.	Composite video synchronization pulse separator for color image processor
US4680633A (en) *	1985-04-24	1987-07-14	Third Domain, Inc.	Circuit and method for producing accurate dc restored video waveform, horizontal sync pulses, and vertical sync pulses
US4723165A (en) *	1986-11-26	1988-02-02	Zenith Electronics Corporation	AC coupled sync separator system with filter DC feedback
US5202612A (en) *	1988-01-29	1993-04-13	Sinano Electric Co., Ltd.	Concrete vibrator
US5345271A (en) *	1992-01-18	1994-09-06	Goldstar Co., Ltd.	Apparatus for separating vertical synchronizing signal components from image signals in video cassette recorder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL215108A (fr) *	1956-03-06
US3809808A (en) *	1972-09-13	1974-05-07	Bell Telephone Labor Inc	Video sync separator
JPS532289B2 (fr) *	1973-03-05	1978-01-26
US3873768A (en) *	1973-11-28	1975-03-25	Gte Sylvania Inc	Gated bias noise suppression circuitry
JPS6014553B2 (ja) *	1975-02-17	1985-04-13	日本電気株式会社	テレビジヨン同期信号分離回路
US4040090A (en) *	1976-05-07	1977-08-02	Gte Laboratories Incorporated	Bias gate for noise suppression circuit

1979
- 1979-04-30 US US06/028,306 patent/US4254435A/en not_active Expired - Lifetime
1980
- 1980-02-13 GB GB8004803A patent/GB2048607B/en not_active Expired
- 1980-02-22 NL NL8001080A patent/NL8001080A/nl not_active Application Discontinuation
- 1980-02-27 CA CA000346561A patent/CA1139876A/fr not_active Expired
- 1980-04-24 DE DE3015848A patent/DE3015848C2/de not_active Expired
- 1980-04-28 JP JP5704580A patent/JPS55147078A/ja active Granted
- 1980-04-29 FR FR8010119A patent/FR2455829B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE3015848C2 (de)	1982-09-16
FR2455829A1 (fr)	1980-11-28
CA1139876A (fr)	1983-01-18
JPS55147078A (en)	1980-11-15
JPS6111022B2 (fr)	1986-04-01
US4254435A (en)	1981-03-03
NL8001080A (nl)	1980-11-03
GB2048607A (en)	1980-12-10
DE3015848A1 (de)	1980-11-06
GB2048607B (en)	1983-08-03

Publication	Publication Date	Title
FR2448270B1 (fr)	1983-04-22
BR8002583A (fr)	1980-12-09
BR8006808A (fr)	1981-04-28
FR2448296B1 (fr)	1981-11-27
AU78390S (fr)	1980-06-23
AU79200S (fr)	1980-09-25
AU78271S (fr)	1980-02-12
AU78385S (fr)	1980-11-21
AU78386S (fr)	1981-01-23
AU78389S (fr)	1980-09-29
AU77763S (fr)	1980-09-15
AU78391S (fr)	1980-11-26
AU78569S (fr)	1980-05-19
AU78270S (fr)	1980-02-12
AU79557S (fr)	1981-06-03
AU79558S (fr)	1981-09-11
AU79559S (fr)	1981-09-11
AU79826S (fr)	1981-02-10
AU79918S (fr)	1981-02-09
AU79950S (fr)	1981-01-30
AU80228S (fr)	1980-09-09
BR5901094U (fr)	1981-02-17
AU77669S (fr)	1980-09-29
BG28434A1 (fr)	1980-05-15
BG28730A1 (fr)	1980-07-15

Legal Events

Date	Code	Title	Description
1994-02-25	ST	Notification of lapse