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GB2005083B - Variable phase-shifters - Google Patents

Variable phase-shifters

Info

Publication number
GB2005083B
GB2005083B GB7835098A GB7835098A GB2005083B GB 2005083 B GB2005083 B GB 2005083B GB 7835098 A GB7835098 A GB 7835098A GB 7835098 A GB7835098 A GB 7835098A GB 2005083 B GB2005083 B GB 2005083B
Authority
GB
United Kingdom
Prior art keywords
shifters
variable phase
variable
phase
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
GB7835098A
Other versions
GB2005083A (en
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.)
SECR DEFENCE
UK Secretary of State for Defence
Original Assignee
SECR DEFENCE
UK Secretary of State for Defence
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 SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE
Priority to GB7835098A priority Critical patent/GB2005083B/en
Publication of GB2005083A publication Critical patent/GB2005083A/en
Application granted granted Critical
Publication of GB2005083B publication Critical patent/GB2005083B/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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters
    • 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
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
    • 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
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays
GB7835098A 1977-09-28 1978-08-31 Variable phase-shifters Expired GB2005083B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7835098A GB2005083B (en) 1977-09-28 1978-08-31 Variable phase-shifters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4038577 1977-09-28
GB7835098A GB2005083B (en) 1977-09-28 1978-08-31 Variable phase-shifters

Publications (2)

Publication Number Publication Date
GB2005083A GB2005083A (en) 1979-04-11
GB2005083B true GB2005083B (en) 1982-05-19

Family

ID=26264385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7835098A Expired GB2005083B (en) 1977-09-28 1978-08-31 Variable phase-shifters

Country Status (1)

Country Link
GB (1) GB2005083B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713259B1 (en) * 1994-06-02 2002-04-24 Nihon Dengyo Kosaku Co. Ltd. Phase shifting device
US5815122A (en) * 1996-01-11 1998-09-29 The Regents Of The University Of Michigan Slot spiral antenna with integrated balun and feed

Also Published As

Publication number Publication date
GB2005083A (en) 1979-04-11

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Legal Events

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

Effective date: 19970831