FR2257095A1 - Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflector - Google Patents
Vehicle collision avoidance device - with flat plate inclined grid polariser is used as a passive reflectorInfo
- Publication number
- FR2257095A1 FR2257095A1 FR7400406A FR7400406A FR2257095A1 FR 2257095 A1 FR2257095 A1 FR 2257095A1 FR 7400406 A FR7400406 A FR 7400406A FR 7400406 A FR7400406 A FR 7400406A FR 2257095 A1 FR2257095 A1 FR 2257095A1
- Authority
- FR
- France
- Prior art keywords
- flat plate
- polarisation
- collision avoidance
- vehicle collision
- avoidance device
- 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.)
- Granted
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)
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 true FR2257095A1 (en) | 1975-08-01 |
FR2257095B1 FR2257095B1 (fr) | 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 (fr) |
FR (1) | FR2257095A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0325539A1 (fr) * | 1988-01-19 | 1989-07-26 | Offshore Systems Ltd. | Système de positionnement pour un objet en mouvement |
EP0490029A2 (fr) * | 1990-12-11 | 1992-06-17 | Daimler-Benz Aktiengesellschaft | Appareil pour améliorer la visibilité en particulier dans les véhicules |
FR2680616A1 (fr) * | 1991-08-23 | 1993-02-26 | Thomson Composants Microondes | Systeme d'echanges de donnees par hyperfrequences, a emission et reception simultanees. |
GB2351196A (en) * | 1999-04-01 | 2000-12-20 | Lear Automotive Dearborn Inc | Polarametric blind spot detector with steerable beam |
Families Citing this family (5)
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 |
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 |
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 |
-
1974
- 1974-01-07 FR FR7400406A patent/FR2257095A1/fr active Granted
-
1975
- 1975-01-03 DE DE19752500120 patent/DE2500120A1/de active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0325539A1 (fr) * | 1988-01-19 | 1989-07-26 | Offshore Systems Ltd. | Système de positionnement pour un objet en mouvement |
EP0490029A2 (fr) * | 1990-12-11 | 1992-06-17 | Daimler-Benz Aktiengesellschaft | Appareil pour améliorer la visibilité en particulier dans les véhicules |
EP0490029A3 (en) * | 1990-12-11 | 1992-07-29 | Daimler-Benz Aktiengesellschaft | Apparatus for improving visibility, in particular in vehicles |
FR2680616A1 (fr) * | 1991-08-23 | 1993-02-26 | Thomson Composants Microondes | Systeme d'echanges de donnees par hyperfrequences, a emission et reception simultanees. |
EP0530073A1 (fr) * | 1991-08-23 | 1993-03-03 | Thomson-Csf Semiconducteurs Specifiques | Système d'échanges de données par hyperfréquences, à émission et réception simultanées |
US5349356A (en) * | 1991-08-23 | 1994-09-20 | Thomson Composants Microondes | Simultaneous data transmission and reception system using microwaves |
GB2351196A (en) * | 1999-04-01 | 2000-12-20 | Lear Automotive Dearborn Inc | Polarametric blind spot detector with steerable beam |
GB2351196B (en) * | 1999-04-01 | 2004-03-03 | Lear Automotive Dearborn Inc | Polarametric blind spot detector with steerable beam |
US6734807B2 (en) | 1999-04-01 | 2004-05-11 | Lear Automotive Dearborn, Inc. | Polarametric blind spot detector with steerable beam |
Also Published As
Publication number | Publication date |
---|---|
FR2257095B1 (fr) | 1979-08-03 |
DE2500120A1 (de) | 1975-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |