FR2257095B1 - - Google Patents

Info

Publication number
FR2257095B1
FR2257095B1 FR7400406A FR7400406A FR2257095B1 FR 2257095 B1 FR2257095 B1 FR 2257095B1 FR 7400406 A FR7400406 A FR 7400406A FR 7400406 A FR7400406 A FR 7400406A FR 2257095 B1 FR2257095 B1 FR 2257095B1
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.)
Expired
Application number
FR7400406A
Other languages
French (fr)
Other versions
FR2257095A1 (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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7400406A priority Critical patent/FR2257095A1/fr
Priority to DE19752500120 priority patent/DE2500120A1/de
Publication of FR2257095A1 publication Critical patent/FR2257095A1/fr
Application granted granted Critical
Publication of FR2257095B1 publication Critical patent/FR2257095B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G01S7/0231—Avoidance by polarisation multiplex
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • G01S7/025—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of linearly polarised waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93271—Sensor installation details in the front of the vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9329—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles cooperating with reflectors or transponders

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Aerials With Secondary Devices (AREA)
FR7400406A 1974-01-07 1974-01-07 Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflector Granted FR2257095A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7400406A FR2257095A1 (en) 1974-01-07 1974-01-07 Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflector
DE19752500120 DE2500120A1 (de) 1974-01-07 1975-01-03 System zum erfassen von hindernissen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400406A FR2257095A1 (en) 1974-01-07 1974-01-07 Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflector

Publications (2)

Publication Number Publication Date
FR2257095A1 FR2257095A1 (en) 1975-08-01
FR2257095B1 true FR2257095B1 (OSRAM) 1979-08-03

Family

ID=9133153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400406A Granted FR2257095A1 (en) 1974-01-07 1974-01-07 Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflector

Country Status (2)

Country Link
DE (1) DE2500120A1 (OSRAM)
FR (1) FR2257095A1 (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719235A1 (de) * 1987-06-09 1988-12-22 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur unterdrueckung des einflusses von ungewollten reflexionen auf einem mit reflektoren markierten ziel
CA1323087C (en) * 1988-01-19 1993-10-12 Helmut Hans Lanziner Marine navigation and positioning system
DE59107029D1 (de) * 1990-12-11 1996-01-18 Daimler Benz Ag Anordnung zur Verbesserung der Sicht, insbesondere in Fahrzeugen.
FR2680616B1 (fr) * 1991-08-23 1994-09-09 Thomson Composants Microondes Systeme d'echanges de donnees par hyperfrequences, a emission et reception simultanees.
JP3419675B2 (ja) * 1998-02-10 2003-06-23 三菱電機株式会社 車載用電波レーダ装置
US6734807B2 (en) 1999-04-01 2004-05-11 Lear Automotive Dearborn, Inc. Polarametric blind spot detector with steerable beam
DE10353001A1 (de) * 2003-11-13 2005-06-16 Conti Temic Microelectronic Gmbh Vorrichtung und Verfahren zur Objekterkennung für eine Kraftfahrzeug-Sicherheitseinrichtung
DE102015208901A1 (de) * 2015-05-13 2016-11-17 Robert Bosch Gmbh Radarsensor für Kraftfahrzeuge
JP6699696B2 (ja) * 2018-09-14 2020-05-27 スズキ株式会社 車両

Also Published As

Publication number Publication date
FR2257095A1 (en) 1975-08-01
DE2500120A1 (de) 1975-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse