FR837277A - Carrier wave signaling system - Google Patents

Carrier wave signaling system

Info

Publication number: FR837277A
Authority: FR; France
Prior art keywords: carrier wave; signaling system; wave signaling; carrier; wave
Prior art date: 1937-09-25
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.)

1937-09-25

Filing date

1937-09-25

Publication date

1939-02-07

1937-09-25 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1939-02-07 Application granted granted Critical

1939-02-07 Publication of FR837277A publication Critical patent/FR837277A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/62—Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present

FR837277D 1937-09-25 1937-09-25 Carrier wave signaling system Expired FR837277A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR837277T		1937-09-25

Publications (1)

Publication Number	Publication Date
FR837277A true FR837277A (en)	1939-02-07

Family

ID=9298501

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR837277D Expired FR837277A (en)	1937-09-25	1937-09-25	Carrier wave signaling system

Country Status (2)

Country	Link
US (1)	US2289788A (en)
FR (1)	FR837277A (en)

1937
- 1937-09-25 FR FR837277D patent/FR837277A/en not_active Expired
1938
- 1938-09-22 US US231195A patent/US2289788A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2289788A (en)	1942-07-14

Similar Documents

Publication	Publication Date	Title
FR842933A (en)	1939-06-21	Guided wave system
FR818503A (en)	1937-09-30	High frequency signaling systems
FR820782A (en)	1937-11-18	Shortwave communication system
FR839636A (en)	1939-04-07	Transmission system
FR837917A (en)	1939-02-23	Signaling system
FR847895A (en)	1939-10-18	Frequency division system
FR844956A (en)	1939-08-07	Modulated carrier wave reception system
FR837277A (en)	1939-02-07	Carrier wave signaling system
FR844538A (en)	1939-07-26	Carrier wave signaling systems
FR842226A (en)	1939-06-08	Multiplex carrier wave transmission system
FR820182A (en)	1937-11-05	Carrier wave signaling system
FR946480A (en)	1949-06-03	Frequency modulation signaling system
FR822799A (en)	1938-01-07	Carrier wave transmission systems
FR848013A (en)	1939-10-20	Carrier wave transmission system
FR835735A (en)	1938-12-29	Signal transmission system
FR768624A (en)	1934-08-10	Radio wave signaling system
FR871633A (en)	1942-05-02	Ultra-shortwave directed radiation system
FR835652A (en)	1938-12-28	Wave transmission system
FR801310A (en)	1936-08-01	Improvements to carrier wave signaling systems
FR982995A (en)	1951-06-18	Carrier wave signaling systems
FR835441A (en)	1938-12-21	Modulation system
FR834473A (en)	1938-11-22	Modulated carrier wave signaling systems
FR857151A (en)	1940-08-29	Carrier wave transmission system
FR837919A (en)	1939-02-23	Transmission system
FR820500A (en)	1937-11-12	Ultra-high frequency signaling system