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FR748673A - Improvements to wireless telegraphy transmitters - Google Patents

Improvements to wireless telegraphy transmitters

Info

Publication number
FR748673A
FR748673A FR748673DA FR748673A FR 748673 A FR748673 A FR 748673A FR 748673D A FR748673D A FR 748673DA FR 748673 A FR748673 A FR 748673A
Authority
FR
France
Prior art keywords
transmitters
wireless telegraphy
telegraphy
wireless
telegraphy transmitters
Prior art date
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
French (fr)
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
CSF Compagnie Generale de Telegraphie sans Fil SA
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.)
Filing date
Publication date
Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR748673A publication Critical patent/FR748673A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
FR748673D 1932-03-31 1932-03-31 Improvements to wireless telegraphy transmitters Expired FR748673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR748673T 1932-03-31

Publications (1)

Publication Number Publication Date
FR748673A true FR748673A (en) 1933-07-07

Family

ID=9148603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR748673D Expired FR748673A (en) 1932-03-31 1932-03-31 Improvements to wireless telegraphy transmitters

Country Status (2)

Country Link
US (1) US1997075A (en)
FR (1) FR748673A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755068C (en) * 1935-10-25 1953-12-21 Lorenz C Ag Ultra-short wave transmitter which is connected to a radiator structure arranged in front of a reflection structure via a power line several ª ™ / 4 long

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416252A (en) * 1944-01-15 1947-02-18 Hartford Nat Bank & Trust Comp Antenna system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755068C (en) * 1935-10-25 1953-12-21 Lorenz C Ag Ultra-short wave transmitter which is connected to a radiator structure arranged in front of a reflection structure via a power line several ª ™ / 4 long

Also Published As

Publication number Publication date
US1997075A (en) 1935-04-09

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