FR839635A - Systèmes radio-électriques - Google Patents

Systèmes radio-électriques

Info

Publication number: FR839635A
Authority: FR; France
Prior art keywords: radio; electric systems; systems; electric
Prior art date: 1937-06-23
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.)

Thales SA

Original Assignee

Le Materiel Telephonique Thomson CSF

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.)

1937-06-23

Filing date

1938-06-22

Publication date

1939-04-07

1938-06-22 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1939-04-07 Application granted granted Critical

1939-04-07 Publication of FR839635A publication Critical patent/FR839635A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means

FR839635D 1937-06-23 1938-06-22 Systèmes radio-électriques Expired FR839635A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US149824A US2173858A (en)	1937-06-23	1937-06-23	Radio system

Publications (1)

Publication Number	Publication Date
FR839635A true FR839635A (fr)	1939-04-07

Family

ID=22531946

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR839635D Expired FR839635A (fr)	1937-06-23	1938-06-22	Systèmes radio-électriques

Country Status (4)

Country	Link
US (1)	US2173858A (fr)
CH (1)	CH212749A (fr)
FR (1)	FR839635A (fr)
GB (1)	GB496027A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2464276A (en) *	1943-08-03	1949-03-15	Sperry Corp	Radiant energy directivity pattern scanner
US2577668A (en) *	1944-05-15	1951-12-04	Padevco Inc	Circuit stabilizer
US2640192A (en) *	1944-09-11	1953-05-26	Standard Telephones Cables Ltd	Shiftable directional antenna
US2677822A (en) *	1947-11-22	1954-05-04	Onera (Off Nat Aerospatiale)	Point-to-point ultrashort wave radio links
US2962714A (en) *	1953-01-14	1960-11-29	Itt	Radio signal separator system
US3056961A (en) *	1957-08-15	1962-10-02	Post Office	Steerable directional random antenna array
US3394374A (en) *	1961-08-11	1968-07-23	Packard Bell Electronics Corp	Retrodirective antenna array
GB2135520B (en) *	1982-12-16	1986-06-25	Marconi Co Ltd	Receivers and transmitters comprising a plurality of antenna elements

1937
- 1937-06-23 US US149824A patent/US2173858A/en not_active Expired - Lifetime
1938
- 1938-05-11 GB GB14047/38A patent/GB496027A/en not_active Expired
- 1938-06-22 FR FR839635D patent/FR839635A/fr not_active Expired
- 1938-06-23 CH CH212749D patent/CH212749A/de unknown

Also Published As

Publication number	Publication date
CH212749A (de)	1940-12-15
GB496027A (en)	1938-11-23
US2173858A (en)	1939-09-26

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