GB820877A - Improvements in or relating to directional aerials - Google Patents

Improvements in or relating to directional aerials

Info

Publication number: GB820877A
Authority: GB; United Kingdom
Prior art keywords: relating; directional aerials; aerials; directional
Prior art date: 1956-11-21
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

GB33821/57A

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.)

1956-11-21

Filing date

1957-10-30

Publication date

1959-09-30

1957-10-30 Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA

1959-09-30 Publication of GB820877A publication Critical patent/GB820877A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas

GB33821/57A 1956-11-21 1957-10-30 Improvements in or relating to directional aerials Expired GB820877A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1051919X		1956-11-21

Publications (1)

Publication Number	Publication Date
GB820877A true GB820877A (en)	1959-09-30

Family

ID=9594965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB33821/57A Expired GB820877A (en)	1956-11-21	1957-10-30	Improvements in or relating to directional aerials

Country Status (4)

Country	Link
US (1)	US2945227A (en)
DE (1)	DE1051919B (en)
FR (1)	FR1160874A (en)
GB (1)	GB820877A (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB930382A (en) *	1959-04-16
FR1267955A (en) *	1960-06-17	1961-07-28	Csf	Distributed Excitation Aerial
FR1286732A (en) *	1961-01-23	1962-03-09	Csf	Distributed excitation patch antenna
US3225351A (en) *	1962-03-09	1965-12-21	Maurice G Chatelain	Vertically polarized microstrip antenna for glide path system
FR1330197A (en) *	1962-05-07	1963-06-21	Csf	New directive antenna
US3283330A (en) *	1962-05-28	1966-11-01	Ryan Aeronautical Co	Omnipolarization microstrip antenna
US3331074A (en) *	1962-05-28	1967-07-11	Ryan Aeronautical Co	Omnipolarization surface wave antenna
US3419875A (en) *	1966-08-08	1968-12-31	Ryan Aeronautical Company	Multi-mode helix antenna
US3975700A (en) *	1967-04-21	1976-08-17	Carrier Communications, Inc.	Radio-frequency signaling cable for inductive-carrier communications systems
DE2250901A1 (en) *	1972-10-17	1974-04-18	Max Planck Gesellschaft	WAVE CONDUCTORS FOR ELECTROMAGNETIC WAVES IN THE SUBMILLIMETER AND INFRARED RANGE
US3870977A (en) *	1973-09-25	1975-03-11	Times Wire And Cable Companay	Radiating coaxial cable
US4160978A (en) *	1977-08-10	1979-07-10	Duhamel Raymond H	Circularly polarized loop and helix panel antennas
FR2624656B1 (en) *	1987-12-10	1990-05-18	Centre Nat Etd Spatiales	PROPELLER-TYPE ANTENNA AND ITS MANUFACTURING METHOD
US4940991A (en) *	1988-04-11	1990-07-10	Sheriff Jack W	Discontinuous mobile antenna
US4975713A (en) *	1988-04-11	1990-12-04	Modublox & Co., Inc.	Mobile mesh antenna
US5006861A (en) *	1989-04-20	1991-04-09	Motorola, Inc.	Antenna
US5346300A (en) *	1991-07-05	1994-09-13	Sharp Kabushiki Kaisha	Back fire helical antenna
JP2636164B2 (en)	1993-04-06	1997-07-30	弘菊地	Parametric amplified traveling wave antenna
US5479180A (en) *	1994-03-23	1995-12-26	The United States Of America As Represented By The Secretary Of The Army	High power ultra broadband antenna
CA2136920C (en) *	1994-11-29	2002-02-19	Peter C. Strickland	Helical microstrip antenna with impedance taper
US5790081A (en) *	1996-01-30	1998-08-04	Unwin; Art H.	Constant impedance matching system
US6320552B1 (en) *	2000-03-09	2001-11-20	Lockheed Martin Corporation	Antenna with polarization converting auger director

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2238770A (en) *	1938-03-07	1941-04-15	Emi Ltd	High frequency electrical conductor or radiator
BE513377A (en) *	1951-07-21
US2794185A (en) *	1953-01-06	1957-05-28	Itt	Antenna systems
US2702860A (en) *	1953-08-21	1955-02-22	Zenith Radio Corp	Loop antenna

1956
- 1956-11-21 FR FR1160874D patent/FR1160874A/en not_active Expired
1957
- 1957-10-30 GB GB33821/57A patent/GB820877A/en not_active Expired
- 1957-11-04 US US694251A patent/US2945227A/en not_active Expired - Lifetime
- 1957-11-21 DE DEC15820A patent/DE1051919B/en active Pending

Also Published As

Publication number	Publication date
DE1051919B (en)	1959-03-05
US2945227A (en)	1960-07-12
FR1160874A (en)	1958-08-12

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