FI811157L - Nycklat brusfilter foer televisionsmottagare - Google Patents

Nycklat brusfilter foer televisionsmottagare

Info

Publication number: FI811157L
Authority: FI; Finland
Prior art keywords: televisionsmottagare; nycklat; brusfilter; foer; nycklat brusfilter
Prior art date: 1980-04-21

Application number

FI811157A

Other languages

English (en)

Other versions

FI811157A7 (fi

Inventor

James Hettiger

Original Assignee

Rca Corp

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.)

1980-04-21

Filing date

1981-04-14

Publication date

1981-10-22

1981-04-14 Application filed by Rca Corp filed Critical Rca Corp

1981-10-22 Publication of FI811157A7 publication Critical patent/FI811157A7/fi

1981-10-22 Publication of FI811157L publication Critical patent/FI811157L/fi

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
- 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
- H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
- H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Picture Signal Circuits (AREA)
Processing Of Color Television Signals (AREA)

FI811157A 1980-04-21 1981-04-14 Nycklat brusfilter foer televisionsmottagare FI811157L (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/142,031 US4295161A (en)	1980-04-21	1980-04-21	Keyed noise filter in a television receiver

Publications (2)

Publication Number	Publication Date
FI811157A7 FI811157A7 (fi)	1981-10-22
FI811157L true FI811157L (fi)	1981-10-22

Family

ID=22498287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI811157A FI811157L (fi)	1980-04-21	1981-04-14	Nycklat brusfilter foer televisionsmottagare

Country Status (11)

Country	Link
US (1)	US4295161A (fi)
JP (1)	JPS56165470A (fi)
AU (1)	AU538844B2 (fi)
CA (1)	CA1168353A (fi)
DE (1)	DE3115553C2 (fi)
ES (1)	ES501477A0 (fi)
FI (1)	FI811157L (fi)
FR (1)	FR2481036A1 (fi)
GB (1)	GB2074417B (fi)
IT (1)	IT1138747B (fi)
PL (1)	PL132622B1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59134967U (ja) *	1983-02-25	1984-09-08	ソニー株式会社	撮像装置
NL8302984A (nl) *	1983-08-26	1985-03-18	Philips Nv	Beeldweergeefinrichting met een ruisdetektor.
US5208659A (en) *	1986-06-03	1993-05-04	Scientific Atlanta, Inc.	Method and apparatus for independently transmitting and recapturing clock recovery burst and DC restoration signals in a MAC system
EP0421564B1 (en) *	1989-09-28	1995-06-28	Pioneer Electronic Corporation	CATV terminal and video apparatus having a noise eliminating circuit
JP2863597B2 (ja) *	1990-03-30	1999-03-03	株式会社東芝	クランプ回路
US5194827A (en) *	1991-04-10	1993-03-16	Ampex Systems Corporation	Voltage controlled high frequency equalization
US5999221A (en) *	1997-05-08	1999-12-07	Sony Corporation	Horizontal synchronization pulse generation circuit
US5864371A (en) *	1997-05-08	1999-01-26	Sony Corporation	Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation
US6141064A (en) *	1997-05-08	2000-10-31	Sony Corporation	Luminance signal generation circuit with single clamp in closed loop configuration

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3544714A (en) *	1967-11-07	1970-12-01	Bell Telephone Labor Inc	Synchronous video clamper with gating means to minimize noise interference
US3571508A (en) *	1968-08-27	1971-03-16	Philips Corp	Blanking and black level control circuit for video signals
NL7106278A (fi) *	1970-05-16	1971-11-18
US3927255A (en) *	1974-05-01	1975-12-16	Rca Corp	Black level clamping circuit for a television signal processor
US3949165A (en) *	1974-11-12	1976-04-06	General Electric Company	Noise immune clamp circuit
US3976836A (en) *	1975-06-09	1976-08-24	Gte Sylvania Incorporated	Automatic black level setting circuit
US4044375A (en) *	1976-08-19	1977-08-23	Rca Corporation	Brightness control apparatus
US4110790A (en) *	1977-01-19	1978-08-29	Gte Sylvania Incorporated	Video processing system providing gain control, aperture control, and black level control
US4197557A (en) *	1977-05-05	1980-04-08	Rca Corporation	Brightness control circuit employing a closed control loop

1980
- 1980-04-21 US US06/142,031 patent/US4295161A/en not_active Expired - Lifetime
1981
- 1981-04-03 IT IT20924/81A patent/IT1138747B/it active
- 1981-04-07 CA CA000374872A patent/CA1168353A/en not_active Expired
- 1981-04-14 AU AU69519/81A patent/AU538844B2/en not_active Expired - Fee Related
- 1981-04-14 FI FI811157A patent/FI811157L/fi not_active Application Discontinuation
- 1981-04-16 GB GB8112110A patent/GB2074417B/en not_active Expired
- 1981-04-16 JP JP5779581A patent/JPS56165470A/ja active Pending
- 1981-04-16 DE DE3115553A patent/DE3115553C2/de not_active Expired
- 1981-04-17 FR FR8107821A patent/FR2481036A1/fr not_active Withdrawn
- 1981-04-20 ES ES501477A patent/ES501477A0/es active Granted
- 1981-04-21 PL PL1981230780A patent/PL132622B1/pl unknown

Also Published As

Publication number	Publication date
ES8206129A1 (es)	1982-06-16
GB2074417B (en)	1984-01-18
AU6951981A (en)	1981-10-29
JPS56165470A (en)	1981-12-19
IT8120924A0 (it)	1981-04-03
GB2074417A (en)	1981-10-28
DE3115553C2 (de)	1985-03-14
AU538844B2 (en)	1984-08-30
DE3115553A1 (de)	1982-06-09
PL132622B1 (en)	1985-03-30
US4295161A (en)	1981-10-13
ES501477A0 (es)	1982-06-16
FI811157A7 (fi)	1981-10-22
FR2481036A1 (fr)	1981-10-23
IT1138747B (it)	1986-09-17
CA1168353A (en)	1984-05-29
PL230780A1 (fi)	1982-01-04

Publication	Publication Date	Title
BE887534A (fr)	1981-08-17	Sandwichpaneelelement
BE889577A (nl)	1982-01-11	Golfvormsynthese
BE891422A (fr)	1982-03-31	Degrilleur
BR8107326A (pt)	1982-01-05	Container-tanque
BR8101718A (pt)	1981-09-29	Microcentrais
BE889192A (fr)	1981-10-01	Recolteuse-hacheuse
BR8108640A (pt)	1982-04-27	Filatorio
BE889004A (nl)	1981-11-27	Grijper
BR8108621A (pt)	1982-04-06	Arpeu
BG33404A1 (bg)	1983-02-15	Registrovo aritmetichno ustrojjstvo
BE889708A (fr)	1981-11-16	Sous-soleuse
BE890703A (fr)	1982-04-13	Robinet-vanne
BE890439A (fr)	1982-03-22	Afdekbaanrol
BE891654A (fr)	1982-04-16	Schuifdeur
BE887835A (fr)	1981-09-09	Fluidumsysteem
BE888818A (fr)	1981-08-28	Telerupteur
BG32324A1 (bg)	1982-07-15	Telopodavahho ustrojjstvo
AR219450A1 (es)	1980-08-15	Portasachet
BR6000647U (pt)	1982-02-02	Palmilha
BR8002134A (pt)	1981-10-06	Moto-continuo
BR6000333U (pt)	1980-10-07	Miolator
BR6000372U (pt)	1981-10-06	Bagageiro-mesa
BR6000440U (pt)	1980-09-09	Ferramenta saca-formas
BR6000467U (pt)	1981-12-15	Cama-mesa-poltrona
BR6000208U (pt)	1981-08-25	Molicar

Legal Events

Date	Code	Title	Description
2004-08-31	FD	Application lapsed	Owner name: RCA CORPORATION