NL7705166A - Verwerkingsschakeling voor televisiesignalen. - Google Patents

Verwerkingsschakeling voor televisiesignalen.

Info

Publication number: NL7705166A
Authority: NL; Netherlands
Prior art keywords: processing circuit; television signals; television; signals; circuit
Prior art date: 1976-05-21

Application number

NL7705166A

Other languages

English (en)

Other versions

NL189992B (nl

NL189992C (nl

Original Assignee

Indesit

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.)

1976-05-21

Filing date

1977-05-10

Publication date

1977-11-23

1977-05-10 Application filed by Indesit filed Critical Indesit

1977-11-23 Publication of NL7705166A publication Critical patent/NL7705166A/nl

1993-04-16 Publication of NL189992B publication Critical patent/NL189992B/nl

1993-09-16 Application granted granted Critical

1993-09-16 Publication of NL189992C publication Critical patent/NL189992C/nl

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
- 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

Landscapes

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

NLAANVRAGE7705166,A 1976-05-21 1977-05-10 Televisievideocorrectieschakeling. NL189992C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT68242/76A IT1072343B (it)	1976-05-21	1976-05-21	Circuito elaboratore di segnali televisivi

Publications (3)

Publication Number	Publication Date
NL7705166A true NL7705166A (nl)	1977-11-23
NL189992B NL189992B (nl)	1993-04-16
NL189992C NL189992C (nl)	1993-09-16

Family

ID=11308643

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7705166,A NL189992C (nl)	1976-05-21	1977-05-10	Televisievideocorrectieschakeling.

Country Status (5)

Country	Link
US (1)	US4144546A (nl)
DE (1)	DE2722941C2 (nl)
GB (1)	GB1578879A (nl)
IT (1)	IT1072343B (nl)
NL (1)	NL189992C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5914471U (ja) *	1982-07-20	1984-01-28	日本ビクター株式会社	カラ−映像信号の画質改善回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3730984A (en) *	1972-03-31	1973-05-01	Columbia Broadcasting Syst Inc	Method and apparatus for automatic video distortion correction
US3849593A (en) *	1973-04-10	1974-11-19	Philips Corp	Amplitude corrector for the chrominance component of a colour television signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB816226A (en) *	1956-03-05	1959-07-08	Gen Electric Co Ltd	Improvements in or relating to television receivers
GB750492A (en) *	1951-02-02	1956-06-20	Philco Corp	Improvements in and relating to television systems
DE1080614B (de) *	1956-12-17	1960-04-28	Western Electric Co	Schaltungsanordnung zum Ausgleich einer Amplituden-kompression oder -expansion eines Wechselstromsignals
US3005869A (en) *	1957-01-28	1961-10-24	Ampex	Circuit for clipping and reinserting reformed sync pulses in composite video signal
DE1131264B (de) *	1959-06-20	1962-06-14	Fernseh Gmbh	Fernsehverstaerker mit nichtlinearer Amplitudencharakteristik
US3584233A (en) *	1968-11-21	1971-06-08	Philips Corp	Linearity correction circuit employing fet at input of differential operational amplifier

1976
- 1976-05-21 IT IT68242/76A patent/IT1072343B/it active
1977
- 1977-05-05 GB GB18830/77A patent/GB1578879A/en not_active Expired
- 1977-05-10 NL NLAANVRAGE7705166,A patent/NL189992C/nl not_active IP Right Cessation
- 1977-05-10 US US05/795,593 patent/US4144546A/en not_active Expired - Lifetime
- 1977-05-20 DE DE2722941A patent/DE2722941C2/de not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3730984A (en) *	1972-03-31	1973-05-01	Columbia Broadcasting Syst Inc	Method and apparatus for automatic video distortion correction
US3849593A (en) *	1973-04-10	1974-11-19	Philips Corp	Amplitude corrector for the chrominance component of a colour television signal

Also Published As

Publication number	Publication date
US4144546A (en)	1979-03-13
NL189992B (nl)	1993-04-16
DE2722941C2 (de)	1987-01-22
IT1072343B (it)	1985-04-10
GB1578879A (en)	1980-11-12
DE2722941A1 (de)	1977-12-01
NL189992C (nl)	1993-09-16

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Legal Events

Date	Code	Title	Description
1984-02-01	BA	A request for search or an international-type search has been filed
1985-01-01	A85	Still pending on 85-01-01
1985-05-01	BB	A search report has been drawn up
1985-07-01	BC	A request for examination has been filed
1986-12-16	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: S.I.SV.EL. S.P.A. SOCIETA ITALIANA PER LO
1997-07-01	V4	Discontinued because of reaching the maximum lifetime of a patent	Free format text: 970510