FR2694415B1 - Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method. - Google Patents

Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method.

Info

Publication number
FR2694415B1
FR2694415B1 FR929209468A FR9209468A FR2694415B1 FR 2694415 B1 FR2694415 B1 FR 2694415B1 FR 929209468 A FR929209468 A FR 929209468A FR 9209468 A FR9209468 A FR 9209468A FR 2694415 B1 FR2694415 B1 FR 2694415B1
Authority
FR
France
Prior art keywords
detection device
frequency modulation
optical beam
obstacle detection
type detector
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
FR929209468A
Other languages
French (fr)
Other versions
FR2694415A1 (en
Inventor
Mondher Attia
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen 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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Priority to FR929209468A priority Critical patent/FR2694415B1/en
Publication of FR2694415A1 publication Critical patent/FR2694415A1/en
Application granted granted Critical
Publication of FR2694415B1 publication Critical patent/FR2694415B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
FR929209468A 1992-07-30 1992-07-30 Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method. Expired - Fee Related FR2694415B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR929209468A FR2694415B1 (en) 1992-07-30 1992-07-30 Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR929209468A FR2694415B1 (en) 1992-07-30 1992-07-30 Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method.

Publications (2)

Publication Number Publication Date
FR2694415A1 FR2694415A1 (en) 1994-02-04
FR2694415B1 true FR2694415B1 (en) 1994-09-16

Family

ID=9432466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929209468A Expired - Fee Related FR2694415B1 (en) 1992-07-30 1992-07-30 Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method.

Country Status (1)

Country Link
FR (1) FR2694415B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2837605B1 (en) * 2002-03-21 2006-04-14 Peugeot Citroen Automobiles Sa ROAD SURVEILLANCE MONITORING DEVICE
CN101271161B (en) * 2007-03-22 2011-03-30 光宝科技股份有限公司 Travelling caution system amounted on transport facility
US11614522B2 (en) * 2019-08-21 2023-03-28 GM Global Technology Operations LLC System and method for time of flight measurement based upon time modulated polarization state illumination

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594959B1 (en) * 1986-02-24 1988-09-09 Electricite De France METHOD AND DEVICE FOR OPTICAL MEASUREMENT OF THE DISTANCE AND SPEED OF A TARGET
AT395217B (en) * 1990-04-18 1992-10-27 Tabarelli Werner DEVICE FOR CONTACTLESS SPEED AND / OR DISTANCE MEASUREMENT
US5103453A (en) * 1991-02-12 1992-04-07 Aerodyne Research, Inc. Method and means for controlling the frequency and power output of a tunable diode laser
JPH1096627A (en) * 1996-09-25 1998-04-14 Furukawa Co Ltd Display for drilling machine

Also Published As

Publication number Publication date
FR2694415A1 (en) 1994-02-04

Similar Documents

Publication Publication Date Title
FR2691261B1 (en) Scanning optical transmission-reception device.
FR2712395B1 (en) Method and device for operating an ultrasonic detector.
FR2700895B1 (en) Method and device for generating optical pulses.
FR2705844B1 (en) Method and device for amplitude modulation of a radiofrequency signal.
FR2689717B1 (en) MICROWAVE APPLICATION DEVICE AND PLASMA REACTOR USING THE SAME.
FR2704650B1 (en) Method and device for instant detection and identification of an entity.
FR2598860B1 (en) METHOD AND DEVICE FOR CONTROLLING INTENSITY AND WAVELENGTH FOR A LASER DIODE.
FR2692678B1 (en) System for remote viewing of output information from at least one radar.
FR2695211B1 (en) Device and method for analyzing ILS signals.
FR2729474B1 (en) METHOD AND DEVICE FOR ESTIMATING THE DETECTION DISTANCE OF A RADAR
FR2706721B1 (en) Method and device for determining the location of a target.
FR2693280B1 (en) Mobile device for moving and positioning one or more optical devices.
FR2694415B1 (en) Scanning method for the optical beam of a frequency modulation lidar type detector and key obstacle detection device using this method.
FR2712702B1 (en) Method and device for determining the direction of a signal source.
FR2713799B1 (en) Method for automatically recognizing the modulation of an intercepted signal.
FR2699319B1 (en) Device for collimating beams of radiation.
FR2690641B1 (en) SAFETY DEVICE FOR MACHINES USING A LASER BEAM AND METHOD FOR IMPLEMENTING SAME.
FR2665306B1 (en) DEVICE AND METHOD FOR FREQUENCY MODULATING A WAVEGUIDE LASER.
FR2662513B1 (en) ENERGY RECOVERY DEVICE OF A LASER BEAM.
FR2693804B1 (en) Method and device for cleaving an optical fiber.
FR2704166B1 (en) Method and device for welding sections of tube using laser beams.
FR2718539B1 (en) Device for amplifying the amplitude modulation rate of an optical beam.
FR2697363B1 (en) Method and device for driving assistance by receiving and using traffic information.
FR2698495B1 (en) Device for checking the state of the focusing lens of a laser device and laser device using this device.
FR2640775B1 (en) DEVICE FOR DETECTING A LASER BEAM

Legal Events

Date Code Title Description
ST Notification of lapse