GB8419101D0 - Signal processing circuit - Google Patents

Signal processing circuit

Info

Publication number: GB8419101D0
Authority: GB; United Kingdom
Prior art keywords: signal processing; processing circuit; circuit; signal; processing
Prior art date: 1983-07-27
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

GB848419101A

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.)

RCA Corp

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.)

1983-07-27

Filing date

1984-07-26

Publication date

1984-08-30

1984-07-26 Application filed by RCA Corp filed Critical RCA Corp

1984-08-30 Publication of GB8419101D0 publication Critical patent/GB8419101D0/en

1985-02-27 Publication of GB2144302A publication Critical patent/GB2144302A/en

1987-01-14 Application granted granted Critical

1987-01-14 Publication of GB2144302B publication Critical patent/GB2144302B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)
Picture Signal Circuits (AREA)
Analogue/Digital Conversion (AREA)
Television Systems (AREA)

GB08419101A 1983-07-27 1984-07-26 Signal processing circuit Expired GB2144302B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US51783383A	1983-07-27	1983-07-27

Publications (3)

Publication Number	Publication Date
GB8419101D0 true GB8419101D0 (en)	1984-08-30
GB2144302A GB2144302A (en)	1985-02-27
GB2144302B GB2144302B (en)	1987-01-14

Family

ID=24061412

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08419101A Expired GB2144302B (en)	1983-07-27	1984-07-26	Signal processing circuit

Country Status (14)

Country	Link
JP (1)	JPH0693780B2 (en)
KR (1)	KR920005219B1 (en)
AT (1)	AT404200B (en)
AU (1)	AU573236B2 (en)
CA (1)	CA1219338A (en)
CS (1)	CS269961B2 (en)
DE (1)	DE3427669C2 (en)
ES (1)	ES534491A0 (en)
FI (1)	FI76901C (en)
FR (1)	FR2557410B1 (en)
GB (1)	GB2144302B (en)
HK (1)	HK22793A (en)
IT (1)	IT1176474B (en)
PT (1)	PT78978B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4706113A (en) *	1985-02-18	1987-11-10	Mitsubishi Denki Kabushiki Kaisha	Contour detecting filter device using PAL samples of composite video signals without separation of luminance signals therefrom
JPS62187773A (en) *	1986-02-14	1987-08-17	Fuji Xerox Co Ltd	Water based ink for use in ink jet recording
AU608525B2 (en) *	1986-08-14	1991-04-11	Sony Corporation	Television signal processing system
JP2680629B2 (en) *	1988-09-30	1997-11-19	三洋電機株式会社	Color image contour correction circuit
JP2746692B2 (en) *	1989-10-09	1998-05-06	富士通株式会社	Color image data processing device
KR930002906B1 (en) *	1989-12-23	1993-04-15	삼성전자 주식회사	Contour compensation circuit
US5237625A (en) *	1990-04-24	1993-08-17	Matsushita Electric Industrial Co., Ltd.	Image contour enhancing device
EP0457931B1 (en) *	1990-05-21	1995-09-20	Siemens Aktiengesellschaft	Method to improve colour edges by displaying colour television pictures
FI913869A (en) *	1990-09-27	1992-03-28	Philips Nv	ANORDNING FOER FOERBAETTRING AV SIGNALOEVERGAONGAR.
DE4105284A1 (en) *	1991-02-20	1992-11-05	Bacher Gmbh B	METHOD AND DEVICE FOR VIDEO SUPPORTED ASSEMBLY
DE69223679T2 (en) *	1991-05-16	1998-04-30	Victor Company Of Japan	Image quality improvement circuit for image contour compensation
US5304854A (en) *	1992-02-03	1994-04-19	Rca Thomson Licensing Corporation	Signal transient improvement circuit
US5369446A (en) *	1992-04-30	1994-11-29	Thomson Consumer Electronics, Inc.	Video signal processor employing edge replacement, preshoots and overshoots for transient enhancement
DE4214949A1 (en) *	1992-05-06	1993-11-11	Nokia Deutschland Gmbh	Arrangement for the temporal detection of a signal edge of an electrical signal transmitted on a transmission line
GB2273843B (en) *	1992-11-30	1996-11-27	Gold Star Co	Apparatus and method for enhancing transient edge of video signal
DE4309351A1 (en) *	1993-03-23	1994-09-29	Nokia Deutschland Gmbh	A transmission arrangement of a certain transmission bandwidth with a downstream equalizer arrangement
WO2011141291A1 (en) *	2010-05-10	2011-11-17	Oce-Technologies B.V.	Method to restore edges in rasterized images

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3778543A (en) *	1972-09-05	1973-12-11	Ellanin Investments	Predictive-retrospective method for bandwidth improvement
US4041531A (en) *	1974-07-05	1977-08-09	Rca Corporation	Television signal processing apparatus including a transversal equalizer
US4241310A (en) *	1978-03-23	1980-12-23	The Bendix Corporation	Delay line digital code detector
JPS5566183A (en) *	1978-11-14	1980-05-19	Sony Corp	Video signal processor
US4307413A (en) *	1979-01-18	1981-12-22	Matsushita Electric Industrial Co., Ltd.	Comb filter device
CH642211A5 (en) *	1979-03-08	1984-03-30	Siemens Ag Albis	CORRECTION CIRCUIT TO IMPROVE THE SHARPNESS OF TELEVISION PICTURES.
IT1118625B (en) *	1979-05-11	1986-03-03	Cselt Centro Studi Lab Telecom	IMPROVEMENTS TO EQUALIZERS FOR TRANSMISSION OF CI NUMBER SIGNALS
DE2939578A1 (en) *	1979-09-29	1981-04-09	Philips Patentverwaltung Gmbh, 2000 Hamburg	PAL receiver picture focussing circuit - uses digitally mixed chrominance and luminance signals and scanning frequency based on carrier frequency
US4334237A (en) *	1980-02-07	1982-06-08	Rca Corporation	Adaptive amplitude averaging for weighting quantizing noise
US4334244A (en) *	1980-07-28	1982-06-08	Magnavox Government And Industrial Electronics Company	Adaptive image enhancement system
GB2087191B (en) *	1980-11-10	1984-10-31	Ampex	A filter and system incorporating the filter for processing discrete of composite signals
US4419686A (en) *	1981-02-04	1983-12-06	Ampex Corporation	Digital chrominance filter for digital component television system
US4355326A (en) *	1981-02-11	1982-10-19	Zenith Radio Corporation	Bandwidth enhancement network for color television signals
JPS58136176A (en) *	1982-02-05	1983-08-13	Pioneer Electronic Corp	Profile correcting circuit

1984
- 1984-07-09 CA CA000458470A patent/CA1219338A/en not_active Expired
- 1984-07-18 CS CS845530A patent/CS269961B2/en unknown
- 1984-07-20 ES ES534491A patent/ES534491A0/en active Granted
- 1984-07-20 FI FI842926A patent/FI76901C/en not_active IP Right Cessation
- 1984-07-25 PT PT78978A patent/PT78978B/en not_active IP Right Cessation
- 1984-07-25 IT IT22043/84A patent/IT1176474B/en active
- 1984-07-26 KR KR1019840004436A patent/KR920005219B1/en not_active IP Right Cessation
- 1984-07-26 DE DE3427669A patent/DE3427669C2/en not_active Expired - Fee Related
- 1984-07-26 GB GB08419101A patent/GB2144302B/en not_active Expired
- 1984-07-26 JP JP59157079A patent/JPH0693780B2/en not_active Expired - Lifetime
- 1984-07-26 FR FR848411900A patent/FR2557410B1/en not_active Expired
- 1984-07-26 AU AU31196/84A patent/AU573236B2/en not_active Ceased
- 1984-07-27 AT AT0245184A patent/AT404200B/en not_active IP Right Cessation
1993
- 1993-03-18 HK HK227/93A patent/HK22793A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
HK22793A (en)	1993-03-26
GB2144302A (en)	1985-02-27
CS269961B2 (en)	1990-05-14
JPH0693780B2 (en)	1994-11-16
AU573236B2 (en)	1988-06-02
FR2557410B1 (en)	1989-02-03
JPS6052186A (en)	1985-03-25
AU3119684A (en)	1985-01-31
FI842926A (en)	1985-01-28
FI76901B (en)	1988-08-31
KR920005219B1 (en)	1992-06-29
DE3427669A1 (en)	1985-02-07
KR850000864A (en)	1985-03-09
IT8422043A0 (en)	1984-07-25
GB2144302B (en)	1987-01-14
DE3427669C2 (en)	1994-11-17
AT404200B (en)	1998-09-25
ATA245184A (en)	1998-01-15
CA1219338A (en)	1987-03-17
IT1176474B (en)	1987-08-18
PT78978A (en)	1984-08-01
ES8602332A1 (en)	1985-11-01
PT78978B (en)	1986-06-09
FR2557410A1 (en)	1985-06-28
FI842926A0 (en)	1984-07-20
FI76901C (en)	1988-12-12
CS553084A2 (en)	1989-08-14
ES534491A0 (en)	1985-11-01

Publication	Publication Date	Title
GB2085258B (en)	1984-04-26	Signal processing circuit
GB2092851B (en)	1985-07-24	Signal processing circuit
DE3373052D1 (en)	1987-09-17	Signal processing unit
GB8412562D0 (en)	1984-06-20	Digital signal processing
GB2144302B (en)	1987-01-14	Signal processing circuit
EP0142081A3 (en)	1987-06-03	Signal processing circuit
DE3468156D1 (en)	1988-01-28	Signal selection circuit
GB2129256B (en)	1985-12-11	Signal detection circuit
GB2086199B (en)	1985-07-31	Signal processing circuit
GB8307589D0 (en)	1983-04-27	Signal interface circuit
EP0120586A3 (en)	1987-09-16	Signal processing circuits
GB2100495B (en)	1986-01-15	Signal processing circuit
EP0268532A3 (en)	1989-10-25	Signal processing circuit
EP0199602A3 (en)	1988-07-20	Signal processing circuit
GB2094092B (en)	1985-11-27	Signal processing circuit
GB8313984D0 (en)	1983-06-29	Signal processing circuit
DE3372155D1 (en)	1987-07-23	Signal processing circuits
GB2294171B (en)	1996-08-21	Signal processing arrangement
GB2149518B (en)	1987-06-10	Signal processing unit
GB8501305D0 (en)	1985-02-20	Signal processing circuit
GB2156175B (en)	1987-11-11	Signal processing circuits
GB2118338B (en)	1986-03-05	Signal processing unit
GB2139026B (en)	1986-10-29	Signal processing
GB2093652B (en)	1985-09-04	Signal processing circuit
DE3467486D1 (en)	1987-12-17	Video signal processing circuit

Legal Events

Date	Code	Title	Description
1989-07-12	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
2000-08-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2001-03-21	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20000726