GB2151851B - Antenna drive - Google Patents

Antenna drive

Info

Publication number
GB2151851B
GB2151851B GB08419901A GB8419901A GB2151851B GB 2151851 B GB2151851 B GB 2151851B GB 08419901 A GB08419901 A GB 08419901A GB 8419901 A GB8419901 A GB 8419901A GB 2151851 B GB2151851 B GB 2151851B
Authority
GB
United Kingdom
Prior art keywords
antenna drive
antenna
drive
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
GB08419901A
Other versions
GB2151851A (en
GB8419901D0 (en
Inventor
Richard Cresswell
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8419901D0 publication Critical patent/GB8419901D0/en
Priority to US06/680,950 priority Critical patent/US4652887A/en
Publication of GB2151851A publication Critical patent/GB2151851A/en
Application granted granted Critical
Publication of GB2151851B publication Critical patent/GB2151851B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
    • H01Q3/06—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation over a restricted angle
GB08419901A 1983-12-16 1984-08-03 Antenna drive Expired GB2151851B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/680,950 US4652887A (en) 1983-12-16 1984-12-11 Antenna drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8333547 1983-12-16

Publications (3)

Publication Number Publication Date
GB8419901D0 GB8419901D0 (en) 1984-09-05
GB2151851A GB2151851A (en) 1985-07-24
GB2151851B true GB2151851B (en) 1987-03-25

Family

ID=10553382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08419901A Expired GB2151851B (en) 1983-12-16 1984-08-03 Antenna drive

Country Status (2)

Country Link
AU (1) AU3681384A (en)
GB (1) GB2151851B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8925910D0 (en) * 1989-11-16 1990-01-04 Marconi Co Ltd Arrangements for providing contiguous broadcast coverage
US5952980A (en) * 1997-09-17 1999-09-14 Bei Sensors & Motion Systems Company Low profile antenna positioning system

Also Published As

Publication number Publication date
GB2151851A (en) 1985-07-24
AU3681384A (en) 1985-06-20
GB8419901D0 (en) 1984-09-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee