JPS5052904A - - Google Patents
Info
- Publication number
- JPS5052904A JPS5052904A JP10184673A JP10184673A JPS5052904A JP S5052904 A JPS5052904 A JP S5052904A JP 10184673 A JP10184673 A JP 10184673A JP 10184673 A JP10184673 A JP 10184673A JP S5052904 A JPS5052904 A JP S5052904A
- 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.)
- Pending
Links
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10184673A JPS5052904A (en) | 1973-09-10 | 1973-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10184673A JPS5052904A (en) | 1973-09-10 | 1973-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5052904A true JPS5052904A (en) | 1975-05-10 |
Family
ID=14311404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10184673A Pending JPS5052904A (en) | 1973-09-10 | 1973-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5052904A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362402A (en) * | 1976-11-16 | 1978-06-03 | Matsushita Electric Ind Co Ltd | Loudening telephone unit |
| JPS5392608A (en) * | 1977-01-25 | 1978-08-14 | Nippon Telegr & Teleph Corp <Ntt> | Voice switch circuit |
| JPS6066560A (en) * | 1983-09-22 | 1985-04-16 | Matsushita Electric Ind Co Ltd | Sound coupling preventing circuit |
| JPS61269548A (en) * | 1985-05-24 | 1986-11-28 | Yokogawa Medical Syst Ltd | Communication controlling method |
-
1973
- 1973-09-10 JP JP10184673A patent/JPS5052904A/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5362402A (en) * | 1976-11-16 | 1978-06-03 | Matsushita Electric Ind Co Ltd | Loudening telephone unit |
| JPS584864B2 (en) * | 1976-11-16 | 1983-01-28 | 松下電器産業株式会社 | public address telephone equipment |
| JPS5392608A (en) * | 1977-01-25 | 1978-08-14 | Nippon Telegr & Teleph Corp <Ntt> | Voice switch circuit |
| JPS5551382B2 (en) * | 1977-01-25 | 1980-12-24 | ||
| JPS6066560A (en) * | 1983-09-22 | 1985-04-16 | Matsushita Electric Ind Co Ltd | Sound coupling preventing circuit |
| JPS61269548A (en) * | 1985-05-24 | 1986-11-28 | Yokogawa Medical Syst Ltd | Communication controlling method |