GB2049347B - Video signal processing circuit having a nonlinear transfer function - Google Patents

Video signal processing circuit having a nonlinear transfer function

Info

Publication number: GB2049347B
Authority: GB; United Kingdom
Prior art keywords: signal processing; video signal; processing circuit; transfer function; nonlinear transfer
Prior art date: 1979-05-11
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

GB8014178A

Other versions

GB2049347A (en

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.)

1979-05-11

Filing date

1980-04-30

Publication date

1983-04-27

1980-04-30 Application filed by RCA Corp filed Critical RCA Corp

1980-12-17 Publication of GB2049347A publication Critical patent/GB2049347A/en

1983-04-27 Application granted granted Critical

1983-04-27 Publication of GB2049347B publication Critical patent/GB2049347B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/26—Arbitrary function generators
- G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Mathematical Physics (AREA)
Theoretical Computer Science (AREA)
Software Systems (AREA)
Computer Hardware Design (AREA)
General Physics & Mathematics (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)
Picture Signal Circuits (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

GB8014178A 1979-05-11 1980-04-30 Video signal processing circuit having a nonlinear transfer function Expired GB2049347B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US3810079A	1979-05-11	1979-05-11

Publications (2)

Publication Number	Publication Date
GB2049347A GB2049347A (en)	1980-12-17
GB2049347B true GB2049347B (en)	1983-04-27

Family

ID=21898092

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8014178A Expired GB2049347B (en)	1979-05-11	1980-04-30	Video signal processing circuit having a nonlinear transfer function

Country Status (8)

Country	Link
JP (1)	JPS55156488A (en)
KR (1)	KR830002655B1 (en)
CA (1)	CA1143828A (en)
DE (1)	DE3017929C2 (en)
FR (1)	FR2456446A1 (en)
GB (1)	GB2049347B (en)
IT (1)	IT8021964A0 (en)
MY (1)	MY8500725A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4612567A (en) *	1984-05-03	1986-09-16	Rca Corporation	Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation
MY110211A (en) *	1992-06-17	1998-02-28	Rca Thomson Licensing Corp	Kinescope driver apparatus with contrast enhancement.
WO2005101658A1 (en) *	2004-04-15	2005-10-27	Koninklijke Philips Electronics N.V.	Analogue non-linear dynamic filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3715477A (en) *	1971-03-11	1973-02-06	Rca Corp	Video signal noise-limiting apparatus
DE2264282A1 (en) *	1972-12-30	1974-07-04	Bosch Fernsehanlagen	CIRCUIT ARRANGEMENT WITH NON-LINEAR TRANSMISSION CHARACTERISTIC FOR TELEVISION SIGNALS
US4143397A (en) *	1976-04-19	1979-03-06	Rca Corporation	Comb filter apparatus
US4096516A (en) *	1977-03-25	1978-06-20	Rca Corporation	Electronic signal processing apparatus

1980
- 1980-04-30 GB GB8014178A patent/GB2049347B/en not_active Expired
- 1980-05-09 JP JP6216680A patent/JPS55156488A/en active Granted
- 1980-05-09 IT IT8021964A patent/IT8021964A0/en unknown
- 1980-05-09 FR FR8010438A patent/FR2456446A1/en active Pending
- 1980-05-09 CA CA000351778A patent/CA1143828A/en not_active Expired
- 1980-05-09 DE DE3017929A patent/DE3017929C2/en not_active Expired
- 1980-05-12 KR KR1019800001869A patent/KR830002655B1/en active
1985
- 1985-12-30 MY MY725/85A patent/MY8500725A/en unknown

Also Published As

Publication number	Publication date
FR2456446A1 (en)	1980-12-05
IT8021964A0 (en)	1980-05-09
JPS6133501B2 (en)	1986-08-02
DE3017929C2 (en)	1985-02-14
KR830004027A (en)	1983-06-30
DE3017929A1 (en)	1980-11-20
JPS55156488A (en)	1980-12-05
CA1143828A (en)	1983-03-29
MY8500725A (en)	1985-12-31
KR830002655B1 (en)	1983-12-06
GB2049347A (en)	1980-12-17

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Legal Events

Date	Code	Title	Description
1986-12-31	PCNP	Patent ceased through non-payment of renewal fee