JPS6214591U - - Google Patents
Info
- Publication number
- JPS6214591U JPS6214591U JP10428185U JP10428185U JPS6214591U JP S6214591 U JPS6214591 U JP S6214591U JP 10428185 U JP10428185 U JP 10428185U JP 10428185 U JP10428185 U JP 10428185U JP S6214591 U JPS6214591 U JP S6214591U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- alarm
- ultrasonic wave
- detection signal
- reception detection
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10428185U JPH0421180Y2 (enExample) | 1985-07-08 | 1985-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10428185U JPH0421180Y2 (enExample) | 1985-07-08 | 1985-07-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6214591U true JPS6214591U (enExample) | 1987-01-28 |
| JPH0421180Y2 JPH0421180Y2 (enExample) | 1992-05-14 |
Family
ID=30977628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10428185U Expired JPH0421180Y2 (enExample) | 1985-07-08 | 1985-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421180Y2 (enExample) |
-
1985
- 1985-07-08 JP JP10428185U patent/JPH0421180Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0421180Y2 (enExample) | 1992-05-14 |