FR50114E - Directional air networks - Google Patents

Directional air networks

Info

Publication number: FR50114E
Authority: FR; France
Prior art keywords: directional air; air networks; networks; directional; air
Prior art date: 1938-07-30
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.)

1938-07-30

Filing date

1938-07-30

Publication date

1939-12-13

1938-07-30 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1939-12-13 Application granted granted Critical

1939-12-13 Publication of FR50114E publication Critical patent/FR50114E/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)

FR50114D 1938-07-30 1938-07-30 Directional air networks Expired FR50114E (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR847453T		1938-07-30
FR50114T		1938-07-30

Publications (1)

Publication Number	Publication Date
FR50114E true FR50114E (en)	1939-12-13

Family

ID=26182764

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR847453D Expired FR847453A (en)	1938-07-30	1938-06-14	Directional air networks
FR50114D Expired FR50114E (en)	1938-07-30	1938-07-30	Directional air networks

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR847453D Expired FR847453A (en)	1938-07-30	1938-06-14	Directional air networks

Country Status (6)

Country	Link
US (1)	US2272611A (en)
BE (1)	BE434871A (en)
CH (1)	CH231919A (en)
FR (2)	FR847453A (en)
GB (1)	GB529288A (en)
NL (1)	NL54453C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2539594A (en) *	1948-07-17	1951-01-30	Robert H Rines	System and method of communication
US2892190A (en) *	1954-12-06	1959-06-23	Gasaccumulator Svenska Ab	Arrangement in directed radio beacons

0
- BE BE434871D patent/BE434871A/xx unknown
- NL NL54453D patent/NL54453C/xx active
1938
- 1938-06-14 FR FR847453D patent/FR847453A/en not_active Expired
- 1938-07-30 FR FR50114D patent/FR50114E/en not_active Expired
1939
- 1939-05-26 GB GB15697/39A patent/GB529288A/en not_active Expired
- 1939-06-13 CH CH231919D patent/CH231919A/en unknown
- 1939-06-14 US US279026A patent/US2272611A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BE434871A (en)
GB529288A (en)	1940-11-18
US2272611A (en)	1942-02-10
NL54453C (en)
FR847453A (en)	1939-10-10
CH231919A (en)	1944-04-30

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