JPH0438159U - - Google Patents
Info
- Publication number
- JPH0438159U JPH0438159U JP7933390U JP7933390U JPH0438159U JP H0438159 U JPH0438159 U JP H0438159U JP 7933390 U JP7933390 U JP 7933390U JP 7933390 U JP7933390 U JP 7933390U JP H0438159 U JPH0438159 U JP H0438159U
- Authority
- JP
- Japan
- Prior art keywords
- dtmf signal
- infrared light
- telephone line
- remote control
- telephone system
- 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
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7933390U JPH0438159U ( ) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7933390U JPH0438159U ( ) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438159U true JPH0438159U ( ) | 1992-03-31 |
Family
ID=31623398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7933390U Pending JPH0438159U ( ) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438159U ( ) |
-
1990
- 1990-07-27 JP JP7933390U patent/JPH0438159U/ja active Pending