JPH0529178Y2 - - Google Patents
Info
- Publication number
- JPH0529178Y2 JPH0529178Y2 JP1985096016U JP9601685U JPH0529178Y2 JP H0529178 Y2 JPH0529178 Y2 JP H0529178Y2 JP 1985096016 U JP1985096016 U JP 1985096016U JP 9601685 U JP9601685 U JP 9601685U JP H0529178 Y2 JPH0529178 Y2 JP H0529178Y2
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- detection
- transducer
- wave
- detection area
- 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
- 238000001514 detection method Methods 0.000 claims description 35
- 230000002265 prevention Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985096016U JPH0529178Y2 (US07223432-20070529-C00017.png) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985096016U JPH0529178Y2 (US07223432-20070529-C00017.png) | 1985-06-25 | 1985-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS624458U JPS624458U (US07223432-20070529-C00017.png) | 1987-01-12 |
JPH0529178Y2 true JPH0529178Y2 (US07223432-20070529-C00017.png) | 1993-07-27 |
Family
ID=30655321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985096016U Expired - Lifetime JPH0529178Y2 (US07223432-20070529-C00017.png) | 1985-06-25 | 1985-06-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0529178Y2 (US07223432-20070529-C00017.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4587036B2 (ja) * | 2005-03-31 | 2010-11-24 | マツダ株式会社 | 車両用盗難防止装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5472700A (en) * | 1977-11-21 | 1979-06-11 | Niko Denshi Kk | Method of preventing erroneous operation of ultrasonic doppler alarm |
JPS55112693A (en) * | 1979-02-22 | 1980-08-30 | Nippon Keibi Hosho Kk | Alram system using ultrasonic wave |
-
1985
- 1985-06-25 JP JP1985096016U patent/JPH0529178Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5472700A (en) * | 1977-11-21 | 1979-06-11 | Niko Denshi Kk | Method of preventing erroneous operation of ultrasonic doppler alarm |
JPS55112693A (en) * | 1979-02-22 | 1980-08-30 | Nippon Keibi Hosho Kk | Alram system using ultrasonic wave |
Also Published As
Publication number | Publication date |
---|---|
JPS624458U (US07223432-20070529-C00017.png) | 1987-01-12 |
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