FR764473A - Improvements to high frequency transmitters - Google Patents

Improvements to high frequency transmitters

Info

Publication number
FR764473A
FR764473A FR764473DA FR764473A FR 764473 A FR764473 A FR 764473A FR 764473D A FR764473D A FR 764473DA FR 764473 A FR764473 A FR 764473A
Authority
FR
France
Prior art keywords
high frequency
frequency transmitters
transmitters
frequency
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 FR764473A publication Critical patent/FR764473A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
FR764473D 1933-01-11 1933-01-11 Improvements to high frequency transmitters Expired FR764473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764473T 1933-01-11

Publications (1)

Publication Number Publication Date
FR764473A true FR764473A (en) 1934-05-22

Family

ID=9182150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764473D Expired FR764473A (en) 1933-01-11 1933-01-11 Improvements to high frequency transmitters

Country Status (3)

Country Link
US (1) US2026652A (en)
FR (1) FR764473A (en)
GB (1) GB414296A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749878C (en) * 1935-03-19 1944-12-07 Arrangement for receiving ultra high frequency electromagnetic oscillations
DE755778C (en) * 1934-02-15 1952-12-01 Emi Ltd Shortwave arrangement for the transition of an asymmetrical high-frequency line into a symmetrical arrangement
DE763330C (en) * 1936-09-10 1954-01-18 Lorenz C Ag Arrangement for emitters of very short waves, which are set very high in relation to the wave length

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229733A (en) * 1938-05-13 1941-01-28 Internat Telephone Dev Co Inc Antenna structure
US2558727A (en) * 1942-07-01 1951-07-03 Edwin J Bernet Antenna
US2421593A (en) * 1943-04-06 1947-06-03 Gen Electric Coaxial half-wave microwave antenna
US2425585A (en) * 1943-12-13 1947-08-12 Hazeltine Research Inc Wave-signal antenna
US2695958A (en) * 1944-07-31 1954-11-30 Bell Telephone Labor Inc Directive antenna system
US2495219A (en) * 1945-01-24 1950-01-24 Bell Telephone Labor Inc Directional antenna system
US2483240A (en) * 1945-09-07 1949-09-27 Bendix Aviat Corp Antenna system
US2604595A (en) * 1945-09-25 1952-07-22 Standard Telephones Cables Ltd Antenna reflector
US2508438A (en) * 1945-10-16 1950-05-23 Douglas W Wilson Broad band antenna
US2479272A (en) * 1945-12-10 1949-08-16 Robert M Silliman Antenna
US2745102A (en) * 1945-12-14 1956-05-08 Norgorden Oscar Antenna
US2567746A (en) * 1946-03-05 1951-09-11 Lester C Van Atta Antenna
US2489287A (en) * 1946-03-26 1949-11-29 Guarino Pasquale Anthony Antenna
NL206130A (en) * 1955-05-26
US3518694A (en) * 1967-04-21 1970-06-30 Gen Dynamics Corp Antenna system
US3550145A (en) * 1968-08-05 1970-12-22 Us Army Manipole broadband antenna
US3541558A (en) * 1968-09-09 1970-11-17 Raymond T Rhein Telescoping rod antenna with radial arm ground plane
IT1044402B (en) * 1975-06-19 1980-03-20 Autostrade Concess Const SCANNING BARRIER FOR THE DISCRIMINATION AND COUNTING OF OBJECTS AND MORE SPECIFICALLY OF VEHICLES IN TRANSIT THROUGH A LAMINAR BARRIER OF ELECTROMAGNETIC MICROWAVES
US4864320A (en) * 1988-05-06 1989-09-05 Ball Corporation Monopole/L-shaped parasitic elements for circularly/elliptically polarized wave transceiving
EP0601576B1 (en) * 1992-12-09 1999-09-01 Matsushita Electric Industrial Co., Ltd. Antenna system for mobile communication
US5550552A (en) * 1993-02-18 1996-08-27 L. Thomas Oxley Radiation shield
US5600333A (en) * 1995-01-26 1997-02-04 Larsen Electronics, Inc. Active repeater antenna assembly
US6172651B1 (en) 1995-10-25 2001-01-09 Larsen Electronics, Inc. Dual-band window mounted antenna system for mobile communications
US5898408A (en) * 1995-10-25 1999-04-27 Larsen Electronics, Inc. Window mounted mobile antenna system using annular ring aperture coupling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755778C (en) * 1934-02-15 1952-12-01 Emi Ltd Shortwave arrangement for the transition of an asymmetrical high-frequency line into a symmetrical arrangement
DE749878C (en) * 1935-03-19 1944-12-07 Arrangement for receiving ultra high frequency electromagnetic oscillations
DE763330C (en) * 1936-09-10 1954-01-18 Lorenz C Ag Arrangement for emitters of very short waves, which are set very high in relation to the wave length

Also Published As

Publication number Publication date
GB414296A (en) 1934-08-02
US2026652A (en) 1936-01-07

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