JPS4974805A - - Google Patents
Info
- Publication number
- JPS4974805A JPS4974805A JP11591872A JP11591872A JPS4974805A JP S4974805 A JPS4974805 A JP S4974805A JP 11591872 A JP11591872 A JP 11591872A JP 11591872 A JP11591872 A JP 11591872A JP S4974805 A JPS4974805 A JP S4974805A
- 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
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Control Of Amplification And Gain Control (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11591872A JPS5250645B2 (https=) | 1972-11-18 | 1972-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11591872A JPS5250645B2 (https=) | 1972-11-18 | 1972-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4974805A true JPS4974805A (https=) | 1974-07-19 |
| JPS5250645B2 JPS5250645B2 (https=) | 1977-12-26 |
Family
ID=14674419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11591872A Expired JPS5250645B2 (https=) | 1972-11-18 | 1972-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5250645B2 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5140001A (ja) * | 1974-09-12 | 1976-04-03 | Toa Electric Co Ltd | Hosoonchoseisochi |
-
1972
- 1972-11-18 JP JP11591872A patent/JPS5250645B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5140001A (ja) * | 1974-09-12 | 1976-04-03 | Toa Electric Co Ltd | Hosoonchoseisochi |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5250645B2 (https=) | 1977-12-26 |