FR2750257B1 - RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO - Google Patents

RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO

Info

Publication number
FR2750257B1
FR2750257B1 FR9607603A FR9607603A FR2750257B1 FR 2750257 B1 FR2750257 B1 FR 2750257B1 FR 9607603 A FR9607603 A FR 9607603A FR 9607603 A FR9607603 A FR 9607603A FR 2750257 B1 FR2750257 B1 FR 2750257B1
Authority
FR
France
Prior art keywords
directed forward
radiation method
rear ratio
high directed
ratio
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 - Fee Related
Application number
FR9607603A
Other languages
French (fr)
Other versions
FR2750257A1 (en
Inventor
Henri Chemin
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.)
FIN ET IND DES AUTOROUTES COMP
Original Assignee
FIN ET IND DES AUTOROUTES COMP
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 FIN ET IND DES AUTOROUTES COMP filed Critical FIN ET IND DES AUTOROUTES COMP
Priority to FR9607603A priority Critical patent/FR2750257B1/en
Priority to DE69731582T priority patent/DE69731582D1/en
Priority to EP19970401351 priority patent/EP0814537B1/en
Publication of FR2750257A1 publication Critical patent/FR2750257A1/en
Application granted granted Critical
Publication of FR2750257B1 publication Critical patent/FR2750257B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01Q3/26—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
FR9607603A 1996-06-19 1996-06-19 RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO Expired - Fee Related FR2750257B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9607603A FR2750257B1 (en) 1996-06-19 1996-06-19 RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO
DE69731582T DE69731582D1 (en) 1996-06-19 1997-06-16 Method and device for reducing retroreflection and radiation below the horizon in a group antenna
EP19970401351 EP0814537B1 (en) 1996-06-19 1997-06-16 Method and device with lower backwards and under horizon radiations in a group of antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9607603A FR2750257B1 (en) 1996-06-19 1996-06-19 RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO

Publications (2)

Publication Number Publication Date
FR2750257A1 FR2750257A1 (en) 1997-12-26
FR2750257B1 true FR2750257B1 (en) 1998-08-21

Family

ID=9493195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9607603A Expired - Fee Related FR2750257B1 (en) 1996-06-19 1996-06-19 RADIATION METHOD AND DEVICE WITH HIGH DIRECTED FORWARD / REAR RATIO

Country Status (3)

Country Link
EP (1) EP0814537B1 (en)
DE (1) DE69731582D1 (en)
FR (1) FR2750257B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196436A (en) * 1978-11-14 1980-04-01 Ford Motor Company Differential backlobe antenna array
US5107273A (en) * 1981-05-11 1992-04-21 The United States Of America As Represented By The Secretary Of The Army Adaptive steerable null antenna processor with null indicator
US4423392A (en) * 1981-11-30 1983-12-27 Wolfson Ronald I Dual-mode stripline antenna feed performing multiple angularly separated beams in space
FR2639492B1 (en) * 1988-11-23 1994-07-29 Autoroutes Cie Financ Indle ISOFREQUENCY RADIO BROADCASTING METHOD AND DEVICE WITH ATTENUATED INTERFERENCE

Also Published As

Publication number Publication date
DE69731582D1 (en) 2004-12-23
FR2750257A1 (en) 1997-12-26
EP0814537A1 (en) 1997-12-29
EP0814537B1 (en) 2004-11-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060228