JPS5211535A - Device of supervising the rear direction of automobiles - Google Patents

Device of supervising the rear direction of automobiles

Info

Publication number
JPS5211535A
JPS5211535A JP50087941A JP8794175A JPS5211535A JP S5211535 A JPS5211535 A JP S5211535A JP 50087941 A JP50087941 A JP 50087941A JP 8794175 A JP8794175 A JP 8794175A JP S5211535 A JPS5211535 A JP S5211535A
Authority
JP
Japan
Prior art keywords
automobiles
rear direction
supervising
supervise
night
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
JP50087941A
Other languages
Japanese (ja)
Inventor
Kenichiro Shiozawa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP50087941A priority Critical patent/JPS5211535A/en
Publication of JPS5211535A publication Critical patent/JPS5211535A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To supervise the rear direction of automobiles easily regardless of weather conditions or day or night, by supervising the rear direction of automobiles using ultrasonic waves, and indicating the position of objects on an indicator instrument by means of a light-emitting diode.
COPYRIGHT: (C)1977,JPO&Japio
JP50087941A 1975-07-17 1975-07-17 Device of supervising the rear direction of automobiles Pending JPS5211535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50087941A JPS5211535A (en) 1975-07-17 1975-07-17 Device of supervising the rear direction of automobiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50087941A JPS5211535A (en) 1975-07-17 1975-07-17 Device of supervising the rear direction of automobiles

Publications (1)

Publication Number Publication Date
JPS5211535A true JPS5211535A (en) 1977-01-28

Family

ID=13928913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50087941A Pending JPS5211535A (en) 1975-07-17 1975-07-17 Device of supervising the rear direction of automobiles

Country Status (1)

Country Link
JP (1) JPS5211535A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57168073U (en) * 1981-04-17 1982-10-22
JPS5827787U (en) * 1981-08-17 1983-02-22 株式会社ボッシュオートモーティブ　システム Distance measuring device for nearby objects in vehicles
JPS6020950U (en) * 1983-07-21 1985-02-13 マツダ株式会社 Automobile collision warning system
EP0052357B1 (en) * 1980-11-14 1987-04-01 Nippondenso Co., Ltd. Ultrasonic detector
JP2011031825A (en) * 2009-08-05 2011-02-17 Denso Corp Vehicle presence informing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4026069Y1 (en) * 1964-07-21 1965-09-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4026069Y1 (en) * 1964-07-21 1965-09-16

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052357B1 (en) * 1980-11-14 1987-04-01 Nippondenso Co., Ltd. Ultrasonic detector
JPS57168073U (en) * 1981-04-17 1982-10-22
JPS5827787U (en) * 1981-08-17 1983-02-22 株式会社ボッシュオートモーティブ　システム Distance measuring device for nearby objects in vehicles
JPS6020950U (en) * 1983-07-21 1985-02-13 マツダ株式会社 Automobile collision warning system
JP2011031825A (en) * 2009-08-05 2011-02-17 Denso Corp Vehicle presence informing device
US8248273B2 (en) 2009-08-05 2012-08-21 Denso Corporation Vehicle presence alert apparatus

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