JPH02104500U - - Google Patents

Info

Publication number
JPH02104500U
JPH02104500U JP1989013847U JP1384789U JPH02104500U JP H02104500 U JPH02104500 U JP H02104500U JP 1989013847 U JP1989013847 U JP 1989013847U JP 1384789 U JP1384789 U JP 1384789U JP H02104500 U JPH02104500 U JP H02104500U
Authority
JP
Japan
Prior art keywords
road
ultrasonic sensor
ultrasonic
road sign
vehicle
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.)
Pending
Application number
JP1989013847U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1989013847U priority Critical patent/JPH02104500U/ja
Publication of JPH02104500U publication Critical patent/JPH02104500U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Road Signs Or Road Markings (AREA)
JP1989013847U 1989-02-08 1989-02-08 Pending JPH02104500U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989013847U JPH02104500U (en]) 1989-02-08 1989-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989013847U JPH02104500U (en]) 1989-02-08 1989-02-08

Publications (1)

Publication Number Publication Date
JPH02104500U true JPH02104500U (en]) 1990-08-20

Family

ID=31224512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989013847U Pending JPH02104500U (en]) 1989-02-08 1989-02-08

Country Status (1)

Country Link
JP (1) JPH02104500U (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6259877B2 (en]) * 1981-03-24 1987-12-14 Fuji Electric Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6259877B2 (en]) * 1981-03-24 1987-12-14 Fuji Electric Co Ltd

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