JPH0723756Y2 - 自動車後方警報装置 - Google Patents

自動車後方警報装置

Info

Publication number
JPH0723756Y2
JPH0723756Y2 JP1989127803U JP12780389U JPH0723756Y2 JP H0723756 Y2 JPH0723756 Y2 JP H0723756Y2 JP 1989127803 U JP1989127803 U JP 1989127803U JP 12780389 U JP12780389 U JP 12780389U JP H0723756 Y2 JPH0723756 Y2 JP H0723756Y2
Authority
JP
Japan
Prior art keywords
ultrasonic
reflector
reflection
vibration unit
transmitting
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 - Lifetime
Application number
JP1989127803U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0364842U (no
Inventor
一男 杉山
Original Assignee
日本センサー株式会社
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 日本センサー株式会社 filed Critical 日本センサー株式会社
Priority to JP1989127803U priority Critical patent/JPH0723756Y2/ja
Publication of JPH0364842U publication Critical patent/JPH0364842U/ja
Application granted granted Critical
Publication of JPH0723756Y2 publication Critical patent/JPH0723756Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP1989127803U 1989-10-31 1989-10-31 自動車後方警報装置 Expired - Lifetime JPH0723756Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989127803U JPH0723756Y2 (ja) 1989-10-31 1989-10-31 自動車後方警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989127803U JPH0723756Y2 (ja) 1989-10-31 1989-10-31 自動車後方警報装置

Publications (2)

Publication Number Publication Date
JPH0364842U JPH0364842U (no) 1991-06-25
JPH0723756Y2 true JPH0723756Y2 (ja) 1995-05-31

Family

ID=31675546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989127803U Expired - Lifetime JPH0723756Y2 (ja) 1989-10-31 1989-10-31 自動車後方警報装置

Country Status (1)

Country Link
JP (1) JPH0723756Y2 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4609537B2 (ja) 2008-06-20 2011-01-12 パナソニック電工株式会社 超音波センサ
JP5175804B2 (ja) * 2009-07-03 2013-04-03 日本特殊陶業株式会社 超音波デバイス
JP5175805B2 (ja) * 2009-07-03 2013-04-03 日本特殊陶業株式会社 超音波デバイス

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173996A (ja) * 1984-02-17 1985-09-07 Nippon Soken Inc 超音波送受波器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173996A (ja) * 1984-02-17 1985-09-07 Nippon Soken Inc 超音波送受波器

Also Published As

Publication number Publication date
JPH0364842U (no) 1991-06-25

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