FR2139621B1 - - Google Patents

Info

Publication number
FR2139621B1
FR2139621B1 FR7117022A FR7117022A FR2139621B1 FR 2139621 B1 FR2139621 B1 FR 2139621B1 FR 7117022 A FR7117022 A FR 7117022A FR 7117022 A FR7117022 A FR 7117022A FR 2139621 B1 FR2139621 B1 FR 2139621B1
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
FR7117022A
Other languages
French (fr)
Other versions
FR2139621A1 (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.)
PEUGEOT and RENAULT
Original Assignee
PEUGEOT and RENAULT
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 PEUGEOT and RENAULT filed Critical PEUGEOT and RENAULT
Priority to FR7117022A priority Critical patent/FR2139621B1/fr
Publication of FR2139621A1 publication Critical patent/FR2139621A1/fr
Application granted granted Critical
Publication of FR2139621B1 publication Critical patent/FR2139621B1/fr
Expired 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
    • G01S13/88—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
    • G01S2013/9324—Alternative operation using ultrasonic 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
FR7117022A 1971-05-11 1971-05-11 Expired FR2139621B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7117022A FR2139621B1 (en) 1971-05-11 1971-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7117022A FR2139621B1 (en) 1971-05-11 1971-05-11

Publications (2)

Publication Number Publication Date
FR2139621A1 FR2139621A1 (en) 1973-01-12
FR2139621B1 true FR2139621B1 (en) 1974-04-26

Family

ID=9076847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117022A Expired FR2139621B1 (en) 1971-05-11 1971-05-11

Country Status (1)

Country Link
FR (1) FR2139621B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1237798A (en) * 1984-07-23 1988-06-07 Anthony E. Dombrowski Driver alerting device

Also Published As

Publication number Publication date
FR2139621A1 (en) 1973-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse