FR859498A - Dispositif de télévision - Google Patents

Dispositif de télévision

Info

Publication number: FR859498A
Authority: FR; France
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

Other languages

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.)

BAE Systems Aerospace Inc

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.)

1938-05-18

Filing date

1939-08-26

Publication date

1940-12-19

1938-05-18 Priority claimed from GB14776/38A external-priority patent/GB515209A/en

1939-08-26 Application filed by Hazeltine Corp filed Critical Hazeltine Corp

1940-12-19 Application granted granted Critical

1940-12-19 Publication of FR859498A publication Critical patent/FR859498A/fr

Status Expired legal-status Critical Current

Classifications

- 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
- H04N5/52—Automatic gain control
- 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
- H04N5/52—Automatic gain control
- H04N5/53—Keyed automatic gain control

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Details Of Television Systems (AREA)
Television Systems (AREA)
Television Receiver Circuits (AREA)
Control Of Amplification And Gain Control (AREA)

FR859498D 1938-05-18 1939-08-26 Dispositif de télévision Expired FR859498A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB14776/38A GB515209A (en)	1938-08-26	1938-05-18	Improvements in or relating to television systems
US226871A US2214847A (en)	1938-08-26	1938-08-26	Automatic amplification and black level control for television receivers

Publications (1)

Publication Number	Publication Date
FR859498A true FR859498A (fr)	1940-12-19

Family

ID=32095217

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR50613D Expired FR50613E (fr)	1938-05-18	1939-05-16	Perfectionnements aux systèmes de télévision
FR859498D Expired FR859498A (fr)	1938-05-18	1939-08-26	Dispositif de télévision

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR50613D Expired FR50613E (fr)	1938-05-18	1939-05-16	Perfectionnements aux systèmes de télévision

Country Status (3)

Country	Link
US (1)	US2303968A (fr)
FR (2)	FR50613E (fr)
GB (2)	GB476935A (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE468385A (fr) *	1945-09-27
US2548436A (en) *	1946-01-25	1951-04-10	Hazeltine Corp	Television receiver background control circuit
US2707751A (en) *	1946-03-12	1955-05-03	Harold V Hance	Delay line pulse stretcher
BE476875A (fr) *	1946-10-22
US2570249A (en) *	1947-03-29	1951-10-09	Sperry Corp	Combining and separating circuits
US2515195A (en) *	1947-12-12	1950-07-18	Jr John F Clark	Pulse collecting method
US2686220A (en) *	1948-05-28	1954-08-10	Rca Corp	Conveyeance of auxiliary information in a television system
GB661890A (en) *	1948-12-17	1951-11-28	Pye Ltd	Apparatus for measuring or using for control purposes, the peak voltage of short duration voltage peaks or pulses
US2644130A (en) *	1949-01-24	1953-06-30	Socony Vacuum Oil Co Inc	Square wave pulse generating system
US2736801A (en) *	1951-05-16	1956-02-28	Clyde E Wiegand	Distributed pulse height discriminator
US2764678A (en) *	1951-06-07	1956-09-25	Airborne Instr Lab Inc	Pulse stretcher
US2800584A (en) *	1952-02-28	1957-07-23	Richard F Blake	Pulse position decoder
US2836715A (en) *	1953-04-08	1958-05-27	Rca Corp	Signal shaping circuit
USRE25284E (en) *	1954-08-04	1962-11-06		D loughlin
US2968036A (en) *	1957-07-12	1961-01-10	Oliver I Steigerwalt	Radiant energy signalling system
US2958465A (en) *	1957-07-22	1960-11-01	Ibm	Electronic adder
US3068417A (en) *	1959-07-24	1962-12-11	Paul E Fiske	Pulse stretcher and shaper
US3247457A (en) *	1961-05-22	1966-04-19	Bell Telephone Labor Inc	Analog signal peak detector using tapped delay line and sampling means
US3217100A (en) *	1962-01-03	1965-11-09	Rca Corp	Contrast control system
US3629714A (en) *	1970-03-12	1971-12-21	Bell Telephone Labor Inc	Electronic sampling and hold circuit
US5402488A (en) *	1991-08-30	1995-03-28	Karlock; James A.	Method and apparatus for modifying a video signal
US5410364A (en) *	1992-01-15	1995-04-25	Karlock; James A.	Method and apparatus for removing AGC pulses and other undesirable signals from a video signal
US20020091850A1 (en)	1992-10-23	2002-07-11	Cybex Corporation	System and method for remote monitoring and operation of personal computers
US5410363A (en) *	1992-12-08	1995-04-25	Lightwave Communications, Inc.	Automatic gain control device for transmitting video signals between two locations by use of a known reference pulse during vertical blanking period so as to control the gain of the video signals at the second location
DE69935234T2 (de)	1998-09-22	2007-11-08	Avocent Huntsville Corp., Huntsville	System zum fernzugriff auf personalcomputer

1936
- 1936-05-15 GB GB13795/36A patent/GB476935A/en not_active Expired
1939
- 1939-05-10 US US272830A patent/US2303968A/en not_active Expired - Lifetime
- 1939-05-16 FR FR50613D patent/FR50613E/fr not_active Expired
- 1939-07-29 GB GB22091/39A patent/GB531711A/en not_active Expired
- 1939-08-26 FR FR859498D patent/FR859498A/fr not_active Expired

Also Published As

Publication number	Publication date
GB476935A (en)	1937-12-15
GB531711A (en)	1941-01-09
FR50613E (fr)	1941-01-27
US2303968A (en)	1942-12-01

Publication	Publication Date	Title
FR859498A (fr)	1940-12-19	Dispositif de télévision
CH210692A (de)	1940-07-31	Bildwiedergabeapparat.
CH218240A (de)	1941-11-30	Fernsehempfangseinrichtung.
FR854059A (fr)	1940-04-04	Dispositif de blindage
FR862511A (fr)	1941-03-08	Dispositif de nettoyage
FR864401A (fr)	1941-04-26	Dispositif fixe-compresses
FR855004A (fr)	1940-04-30	Dispositif modulateur
CH233059A (fr)	1944-06-30	Appareil de télévision.
FR832151A (fr)	1938-09-22	Dispositif thermométrique
FR859388A (fr)	1940-12-17	Dispositif de télévision
FR861935A (fr)	1941-02-21	Dispositif de télévision
FR861892A (fr)	1941-02-19	Dispositif de télévision
FR854889A (fr)	1940-04-26	Dispositif récepteur multiple de télévision
FR835810A (fr)	1939-01-04	Dispositif anti-éblouissant
FR857582A (fr)	1940-09-19	Dispositif de radioalignement
FR851664A (fr)	1940-01-12	Dispositif de dégazage
FR858564A (fr)	1940-11-28	Dispositif récepteur de télévision
FR856180A (fr)	1940-06-03	Dispositif de freinage
FR838940A (fr)	1939-03-20	Dispositif de graissage central
FR836910A (fr)	1939-01-30	Dispositif de transmission
FR831858A (fr)	1938-09-15	Dispositif de verrouillage de synchronisme
FR866718A (fr)	1941-08-30	Dispositif de transmission
FR869529A (fr)	1942-02-04	Dispositif de direction
FR817461A (fr)	1937-09-03	Dispositif hydro-glisseur
FR831895A (fr)	1938-09-15	Dispositif fumivore