JPS57166696A - Ultrasonic vehicle sensor - Google Patents
Ultrasonic vehicle sensorInfo
- Publication number
- JPS57166696A JPS57166696A JP5054581A JP5054581A JPS57166696A JP S57166696 A JPS57166696 A JP S57166696A JP 5054581 A JP5054581 A JP 5054581A JP 5054581 A JP5054581 A JP 5054581A JP S57166696 A JPS57166696 A JP S57166696A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle sensor
- ultrasonic vehicle
- ultrasonic
- sensor
- 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
Links
Landscapes
- Traffic Control Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5054581A JPS57166696A (en) | 1981-04-06 | 1981-04-06 | Ultrasonic vehicle sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5054581A JPS57166696A (en) | 1981-04-06 | 1981-04-06 | Ultrasonic vehicle sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57166696A true JPS57166696A (en) | 1982-10-14 |
Family
ID=12861975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5054581A Pending JPS57166696A (en) | 1981-04-06 | 1981-04-06 | Ultrasonic vehicle sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57166696A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63296199A (en) * | 1987-05-28 | 1988-12-02 | Omron Tateisi Electronics Co | Ultrasonic vehicle detector |
JPH04123198A (en) * | 1990-09-13 | 1992-04-23 | Matsushita Electric Ind Co Ltd | Vehicle sensor |
US6975735B1 (en) | 1998-10-05 | 2005-12-13 | Matsushita Electric Industrial Company, Ltd. | Sound collecting device minimizing electrical noise |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54106269A (en) * | 1978-02-09 | 1979-08-21 | Mitsubishi Precision Co Ltd | Substance detecting method and apparatus by supersonic wave pulse |
-
1981
- 1981-04-06 JP JP5054581A patent/JPS57166696A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54106269A (en) * | 1978-02-09 | 1979-08-21 | Mitsubishi Precision Co Ltd | Substance detecting method and apparatus by supersonic wave pulse |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63296199A (en) * | 1987-05-28 | 1988-12-02 | Omron Tateisi Electronics Co | Ultrasonic vehicle detector |
JPH04123198A (en) * | 1990-09-13 | 1992-04-23 | Matsushita Electric Ind Co Ltd | Vehicle sensor |
US6975735B1 (en) | 1998-10-05 | 2005-12-13 | Matsushita Electric Industrial Company, Ltd. | Sound collecting device minimizing electrical noise |
US7317804B2 (en) | 1998-10-05 | 2008-01-08 | Matsushita Electric Industrial Co., Ltd. | Sound collecting device minimizing electrical noise |
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