CH295551A - Einrichtung zur Stabilisierung von Fernsehzeichen. - Google Patents

Einrichtung zur Stabilisierung von Fernsehzeichen.

Info

Publication number: CH295551A
Authority: CH; Switzerland
Prior art keywords: stabilizing; television signals; television; signals; stabilizing television
Prior art date: 1950-01-21

Application number

Other languages

English (en)

Inventor

Corporation Hazeltine

Original Assignee

Hazeltine 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.)

1950-01-21

Filing date

1951-01-17

Publication date

1953-12-31

1951-01-17 Application filed by Hazeltine Corp filed Critical Hazeltine Corp

1953-12-31 Publication of CH295551A publication Critical patent/CH295551A/de

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
- H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness

Landscapes

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

CH295551D 1950-01-21 1951-01-17 Einrichtung zur Stabilisierung von Fernsehzeichen. CH295551A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US139935A US2611029A (en)	1950-01-21	1950-01-21	Direct current restorer for maintaining constant black level at cathode-ray tube

Publications (1)

Publication Number	Publication Date
CH295551A true CH295551A (de)	1953-12-31

Family

ID=22488964

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH295551D CH295551A (de)	1950-01-21	1951-01-17	Einrichtung zur Stabilisierung von Fernsehzeichen.

Country Status (6)

Country	Link
US (1)	US2611029A (de)
CH (1)	CH295551A (de)
DE (1)	DE918211C (de)
FR (1)	FR1032742A (de)
GB (1)	GB673807A (de)
NL (1)	NL158676B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2672505A (en) *	1950-06-13	1954-03-16	Avco Mfg Corp	Black level shift compensating amplifier
US2752528A (en) *	1951-03-10	1956-06-26	Philco Corp	Waveform control for television deflection system
DE1021884B (de) *	1952-11-04	1958-01-02	Fernseh Gmbh	Schaltungsanordnung zur Steuerung von Kathodenstrahlroehren fuer Fernsehempfangszwecke
NL102097C (de) *	1955-09-15
US3476875A (en) *	1967-03-03	1969-11-04	Bell Telephone Labor Inc	Digital clamping of pulse code modulated television signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB515426A (en) *	1938-05-30	1939-12-05	Ferranti Ltd	Improvements in or relating to television receivers
US2259520A (en) *	1939-03-15	1941-10-21	Hazeltine Corp	Television receiving apparatus
US2240281A (en) *	1939-04-04	1941-04-29	Rca Corp	Automatic background control
US2463735A (en) *	1945-03-17	1949-03-08	Rca Corp	Split channel direct-current insertion network

0
- NL NL6612123.B patent/NL158676B/xx unknown
1950
- 1950-01-21 US US139935A patent/US2611029A/en not_active Expired - Lifetime
- 1950-12-27 GB GB31390/50A patent/GB673807A/en not_active Expired
1951
- 1951-01-17 CH CH295551D patent/CH295551A/de unknown
- 1951-01-19 DE DEH7277A patent/DE918211C/de not_active Expired
- 1951-01-20 FR FR1032742D patent/FR1032742A/fr not_active Expired

Also Published As

Publication number	Publication date
NL158676B (nl)
DE918211C (de)	1954-09-20
GB673807A (en)	1952-06-11
FR1032742A (fr)	1953-07-03
US2611029A (en)	1952-09-16

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