JPS4896178A - - Google Patents
Info
- Publication number
- JPS4896178A JPS4896178A JP3001772A JP3001772A JPS4896178A JP S4896178 A JPS4896178 A JP S4896178A JP 3001772 A JP3001772 A JP 3001772A JP 3001772 A JP3001772 A JP 3001772A JP S4896178 A JPS4896178 A JP S4896178A
- Authority
- JP
- Japan
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Emergency Alarm Devices (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001772A JPS5644637B2 (ja) | 1972-03-24 | 1972-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001772A JPS5644637B2 (ja) | 1972-03-24 | 1972-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4896178A true JPS4896178A (ja) | 1973-12-08 |
| JPS5644637B2 JPS5644637B2 (ja) | 1981-10-21 |
Family
ID=12292068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3001772A Expired JPS5644637B2 (ja) | 1972-03-24 | 1972-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5644637B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01158899A (ja) * | 1987-12-15 | 1989-06-21 | Hokuriyou Denko Kk | 音響放送システム |
-
1972
- 1972-03-24 JP JP3001772A patent/JPS5644637B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01158899A (ja) * | 1987-12-15 | 1989-06-21 | Hokuriyou Denko Kk | 音響放送システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5644637B2 (ja) | 1981-10-21 |