JPS63159481U - - Google Patents
Info
- Publication number
- JPS63159481U JPS63159481U JP5142887U JP5142887U JPS63159481U JP S63159481 U JPS63159481 U JP S63159481U JP 5142887 U JP5142887 U JP 5142887U JP 5142887 U JP5142887 U JP 5142887U JP S63159481 U JPS63159481 U JP S63159481U
- Authority
- JP
- Japan
- Prior art keywords
- warning area
- detection mode
- ultrasonic
- detection
- abnormality
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005856 abnormality Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
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 |
---|---|---|---|
JP1987051428U JPH0737189Y2 (ja) | 1987-04-03 | 1987-04-03 | 超音波式防犯警戒器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987051428U JPH0737189Y2 (ja) | 1987-04-03 | 1987-04-03 | 超音波式防犯警戒器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63159481U true JPS63159481U (US07534539-20090519-C00280.png) | 1988-10-19 |
JPH0737189Y2 JPH0737189Y2 (ja) | 1995-08-23 |
Family
ID=30875676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987051428U Expired - Lifetime JPH0737189Y2 (ja) | 1987-04-03 | 1987-04-03 | 超音波式防犯警戒器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0737189Y2 (US07534539-20090519-C00280.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5767869A (en) * | 1980-10-15 | 1982-04-24 | Toshiba Corp | Detector for intrusion |
-
1987
- 1987-04-03 JP JP1987051428U patent/JPH0737189Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5767869A (en) * | 1980-10-15 | 1982-04-24 | Toshiba Corp | Detector for intrusion |
Also Published As
Publication number | Publication date |
---|---|
JPH0737189Y2 (ja) | 1995-08-23 |
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