JPH01151398U - - Google Patents
Info
- Publication number
- JPH01151398U JPH01151398U JP1988048259U JP4825988U JPH01151398U JP H01151398 U JPH01151398 U JP H01151398U JP 1988048259 U JP1988048259 U JP 1988048259U JP 4825988 U JP4825988 U JP 4825988U JP H01151398 U JPH01151398 U JP H01151398U
- Authority
- JP
- Japan
- Prior art keywords
- buzzer
- alarm
- circuit
- sounds
- communication equipment
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Alarm Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988048259U JPH01151398U (sv) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988048259U JPH01151398U (sv) | 1988-04-12 | 1988-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01151398U true JPH01151398U (sv) | 1989-10-19 |
Family
ID=31274418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988048259U Pending JPH01151398U (sv) | 1988-04-12 | 1988-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01151398U (sv) |
-
1988
- 1988-04-12 JP JP1988048259U patent/JPH01151398U/ja active Pending