JPH0339190U - - Google Patents
Info
- Publication number
- JPH0339190U JPH0339190U JP9999189U JP9999189U JPH0339190U JP H0339190 U JPH0339190 U JP H0339190U JP 9999189 U JP9999189 U JP 9999189U JP 9999189 U JP9999189 U JP 9999189U JP H0339190 U JPH0339190 U JP H0339190U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- crime prevention
- ultrasonic waves
- monitoring space
- state
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
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 |
---|---|---|---|
JP9999189U JPH0339190U (id) | 1989-08-28 | 1989-08-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9999189U JPH0339190U (id) | 1989-08-28 | 1989-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0339190U true JPH0339190U (id) | 1991-04-16 |
Family
ID=31649016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9999189U Pending JPH0339190U (id) | 1989-08-28 | 1989-08-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0339190U (id) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5426698A (en) * | 1977-07-30 | 1979-02-28 | Matsushita Electric Works Ltd | Alarm unit using ultrasonic waves |
JPS5532179A (en) * | 1978-08-28 | 1980-03-06 | Sharp Kk | Device for detecting intercepting member |
JPS62147382A (ja) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | 移動物体検知装置 |
-
1989
- 1989-08-28 JP JP9999189U patent/JPH0339190U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5426698A (en) * | 1977-07-30 | 1979-02-28 | Matsushita Electric Works Ltd | Alarm unit using ultrasonic waves |
JPS5532179A (en) * | 1978-08-28 | 1980-03-06 | Sharp Kk | Device for detecting intercepting member |
JPS62147382A (ja) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | 移動物体検知装置 |
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