FR2147235A1 - - Google Patents

Info

Publication number
FR2147235A1
FR2147235A1 FR7226977A FR7226977A FR2147235A1 FR 2147235 A1 FR2147235 A1 FR 2147235A1 FR 7226977 A FR7226977 A FR 7226977A FR 7226977 A FR7226977 A FR 7226977A FR 2147235 A1 FR2147235 A1 FR 2147235A1
Authority
FR
France
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.)
Granted
Application number
FR7226977A
Other languages
French (fr)
Other versions
FR2147235B1 (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.)
British Aircraft Corp Ltd
Original Assignee
British Aircraft Corp 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.)
Filing date
Publication date
Application filed by British Aircraft Corp Ltd filed Critical British Aircraft Corp Ltd
Publication of FR2147235A1 publication Critical patent/FR2147235A1/fr
Application granted granted Critical
Publication of FR2147235B1 publication Critical patent/FR2147235B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/23—Combinations of reflecting surfaces with refracting or diffracting devices
    • 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
    • H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
FR7226977A 1971-07-26 1972-07-26 Expired FR2147235B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3499071 1971-07-26

Publications (2)

Publication Number Publication Date
FR2147235A1 true FR2147235A1 (en) 1973-03-09
FR2147235B1 FR2147235B1 (en) 1977-04-01

Family

ID=10372507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226977A Expired FR2147235B1 (en) 1971-07-26 1972-07-26

Country Status (3)

Country Link
US (1) US3787856A (en)
FR (1) FR2147235B1 (en)
GB (1) GB1348672A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419669A (en) * 1971-01-04 1983-12-06 Trw Inc. Controlled scintillation rate decoy
US4287519A (en) * 1980-04-04 1981-09-01 The United States Of America As Represented By The Secretary Of The Navy Multi-mode Luneberg lens antenna
GB2194391B (en) * 1986-06-23 1991-02-27 Secr Defence A passive radar target
US5508704A (en) * 1994-06-16 1996-04-16 Hann; Lenn R. Method and apparatus for modulating a doppler radar signal
US5673049A (en) * 1996-01-26 1997-09-30 Kitchen; William J. Police radar jammer
US5883602A (en) * 1996-06-05 1999-03-16 Apti, Inc. Wideband flat short foci lens antenna
US10338187B2 (en) * 2017-01-11 2019-07-02 Raytheon Company Spherically constrained optical seeker assembly
US11300651B1 (en) * 2019-03-14 2022-04-12 The United States Of America, As Represented By The Secretary Of The Navy System for augmenting 360-degree aspect monostatic radar cross section of an aircraft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716746A (en) * 1950-10-31 1955-08-30 Rca Corp Focusing of radar beams for a tracking radar
US2866971A (en) * 1956-09-05 1958-12-30 Kenneth S Kelleher Radiant energy reflector
US3116486A (en) * 1961-12-29 1963-12-31 Anton M Johnson Luneberg lens system

Also Published As

Publication number Publication date
US3787856A (en) 1974-01-22
GB1348672A (en) 1974-03-20
FR2147235B1 (en) 1977-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse