GB2185636B - Antennas - Google Patents

Antennas

Info

Publication number: GB2185636B
Authority: GB; United Kingdom
Prior art keywords: antennas
Prior art date: 1986-01-15
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

GB8700869A

Other versions

GB2185636A (en

GB8700869D0 (en

Inventor

Geoffrey Martin White

Kevin Richard Davies

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.)

Racal Antennas Ltd

Original Assignee

Racal Antennas Ltd

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.)

1986-01-15

Filing date

1987-01-15

Publication date

1989-10-25

1987-01-15 Application filed by Racal Antennas Ltd filed Critical Racal Antennas Ltd

1987-02-18 Publication of GB8700869D0 publication Critical patent/GB8700869D0/en

1987-07-22 Publication of GB2185636A publication Critical patent/GB2185636A/en

1989-10-25 Application granted granted Critical

1989-10-25 Publication of GB2185636B publication Critical patent/GB2185636B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

GB8700869A 1986-01-15 1987-01-15 Antennas Expired GB2185636B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8600868		1986-01-15

Publications (3)

Publication Number	Publication Date
GB8700869D0 GB8700869D0 (en)	1987-02-18
GB2185636A GB2185636A (en)	1987-07-22
GB2185636B true GB2185636B (en)	1989-10-25

Family

ID=10591388

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8700869A Expired GB2185636B (en)	1986-01-15	1987-01-15	Antennas

Country Status (1)

Country	Link
GB (1)	GB2185636B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2775127A1 (en) *	1998-02-17	1999-08-20	Tekelec Temex	Isolated slab antenna construction

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB708008A (en) *	1951-06-20	1954-04-28	Nat Res Dev	Improvements in or relating to folded slot aerials
GB1378356A (en) *	1973-01-02	1974-12-27	Ball Brothers Res Corp	Dual slot antenna device
GB1378355A (en) *	1970-12-18	1974-12-27	Ball Brothers Res Corp	Antenna assembly
US3971032A (en) *	1975-08-25	1976-07-20	Ball Brothers Research Corporation	Dual frequency microstrip antenna structure
GB1574196A (en) *	1977-04-01	1980-09-03	Ball Corp	Microstrip radiator with folded resonant cavity
GB2152757A (en) *	1984-01-05	1985-08-07	Plessey Co Plc	Antenna

1987
- 1987-01-15 GB GB8700869A patent/GB2185636B/en not_active Expired

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB708008A (en) *	1951-06-20	1954-04-28	Nat Res Dev	Improvements in or relating to folded slot aerials
GB1378355A (en) *	1970-12-18	1974-12-27	Ball Brothers Res Corp	Antenna assembly
GB1378356A (en) *	1973-01-02	1974-12-27	Ball Brothers Res Corp	Dual slot antenna device
US3971032A (en) *	1975-08-25	1976-07-20	Ball Brothers Research Corporation	Dual frequency microstrip antenna structure
GB1574196A (en) *	1977-04-01	1980-09-03	Ball Corp	Microstrip radiator with folded resonant cavity
GB2152757A (en) *	1984-01-05	1985-08-07	Plessey Co Plc	Antenna

Also Published As

Publication number	Publication date
GB2185636A (en)	1987-07-22
GB8700869D0 (en)	1987-02-18

Publication	Publication Date	Title
GB2195832B (en)	1990-08-15	Plane antenna
GB2187333B (en)	1989-12-06	Plane antenna
GB2194101B (en)	1991-03-27	Plane antenna
GB8628599D0 (en)	1987-01-07	Antenna
GB8700223D0 (en)	1987-02-11	Antenna
GB2212986B (en)	1991-11-06	Antennas
GB8700224D0 (en)	1987-02-11	Antenna
GB2212987B (en)	1991-10-16	Antennas
GB8618086D0 (en)	1986-09-03	Antenna
GB2186429B (en)	1989-11-01	Antenna assembly
GB2251339B (en)	1992-11-11	Antenna arrangement
GB2211024B (en)	1991-05-15	Antenna
GB2201046B (en)	1991-03-06	Antenna
GB8706699D0 (en)	1987-04-23	Antenna
GB2191044B (en)	1989-12-13	Antenna arrangement
GB2196483B (en)	1990-03-28	Antenna construction
GB8716703D0 (en)	1987-08-19	Antenna
GB2192757B (en)	1990-08-15	Antenna
GB8616250D0 (en)	1986-08-13	Antenna
GB2284712B (en)	1995-10-11	Antenna
GB2185636B (en)	1989-10-25	Antennas
GB8616576D0 (en)	1986-08-13	Dipole
GB8615018D0 (en)	1986-11-26	Antennas
GB8717363D0 (en)	1987-08-26	Antenna
GB8620883D0 (en)	1986-10-08	Antenna

Legal Events

Date	Code	Title	Description
1995-09-13	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19950115