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
Links
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
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)
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)
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 |
-
1989
- 1989-10-31 JP JP1989127803U patent/JPH0723756Y2/ja not_active Expired - Lifetime
Patent Citations (1)
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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