JPS496814A - - Google Patents
Info
- Publication number
- JPS496814A JPS496814A JP4486672A JP4486672A JPS496814A JP S496814 A JPS496814 A JP S496814A JP 4486672 A JP4486672 A JP 4486672A JP 4486672 A JP4486672 A JP 4486672A JP S496814 A JPS496814 A JP S496814A
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4486672A JPS496814A (ru) | 1972-05-06 | 1972-05-06 | |
| US00319709A US3836718A (en) | 1972-05-06 | 1972-12-29 | Intercommunication system with a time limited advance notice signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4486672A JPS496814A (ru) | 1972-05-06 | 1972-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS496814A true JPS496814A (ru) | 1974-01-22 |
Family
ID=12703403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4486672A Pending JPS496814A (ru) | 1972-05-06 | 1972-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS496814A (ru) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543017B1 (ru) * | 1971-07-07 | 1980-11-04 | ||
| JPS5868356A (ja) * | 1981-10-19 | 1983-04-23 | Yagi Antenna Co Ltd | 相互通話装置 |
| JPS5869159A (ja) * | 1981-10-20 | 1983-04-25 | Yagi Antenna Co Ltd | 相互通話装置 |
-
1972
- 1972-05-06 JP JP4486672A patent/JPS496814A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543017B1 (ru) * | 1971-07-07 | 1980-11-04 | ||
| JPS5868356A (ja) * | 1981-10-19 | 1983-04-23 | Yagi Antenna Co Ltd | 相互通話装置 |
| JPS5869159A (ja) * | 1981-10-20 | 1983-04-25 | Yagi Antenna Co Ltd | 相互通話装置 |