FR831209A - Système de balayage pour la télévision - Google Patents

Système de balayage pour la télévision

Info

Publication number: FR831209A
Authority: FR; France
Prior art keywords: television; scanning system; scanning
Prior art date: 1936-12-24
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.)

1936-12-24

Filing date

1937-12-23

Publication date

1938-08-26

1937-12-23 Application filed by Hazeltine Corp filed Critical Hazeltine Corp

1938-08-26 Application granted granted Critical

1938-08-26 Publication of FR831209A publication Critical patent/FR831209A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/74—Deflecting by electric fields only

FR831209D 1936-12-24 1937-12-23 Système de balayage pour la télévision Expired FR831209A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US117458A US2177688A (en)	1936-12-24	1936-12-24	Cathode-ray tube scanning system

Publications (1)

Publication Number	Publication Date
FR831209A true FR831209A (fr)	1938-08-26

Family

ID=22373053

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR831209D Expired FR831209A (fr)	1936-12-24	1937-12-23	Système de balayage pour la télévision

Country Status (3)

Country	Link
US (1)	US2177688A (fr)
FR (1)	FR831209A (fr)
GB (1)	GB500502A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2425125A (en) *	1940-07-20	1947-08-05	Hartford Nat Bank & Trust Co	Cathode-ray tube with magnetic compensating means
NL67155C (fr) *	1946-03-02
US2459732A (en) *	1946-03-26	1949-01-18	Philco Corp	Electrical system
US2498354A (en) *	1946-12-03	1950-02-21	Philco Corp	Magnetic lens system
US2455977A (en) *	1946-12-31	1948-12-14	Philco Corp	Magnetic lens for correcting scanning defects
US2552357A (en) *	1948-08-31	1951-05-08	Rca Corp	Registration of scanning patterns of cathode-ray tubes
US2541446A (en) *	1949-01-04	1951-02-13	Barnet S Trott	Image distortion corrector for cathode-ray tubes
US2499065A (en) *	1949-03-22	1950-02-28	Heppner Mfg Company	Device for adjustably positioning spaced magnetic fields
US2553039A (en) *	1949-04-26	1951-05-15	Zenith Radio Corp	Cathode-ray tube combined beam centering and deflection device
US2591159A (en) *	1950-05-29	1952-04-01	Gilfillan Bros Inc	Magnetic means for producing compensations and other effects in a cathode-ray tube
US2944173A (en) *	1958-07-17	1960-07-05	Hazeltine Research Inc	Cathode-ray tube scanning apparatus
US2944174A (en) *	1958-09-18	1960-07-05	Motorola Inc	Electronic image system and method
GB1074675A (en) *	1963-10-15	1967-07-05	English Electric Valve Co Ltd	Improvements in or relating to cathode ray tubes

1936
- 1936-12-24 US US117458A patent/US2177688A/en not_active Expired - Lifetime
1937
- 1937-11-29 GB GB32900/37A patent/GB500502A/en not_active Expired
- 1937-12-23 FR FR831209D patent/FR831209A/fr not_active Expired

Also Published As

Publication number	Publication date
GB500502A (en)	1939-02-10
US2177688A (en)	1939-10-31

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