JPS63131439U - - Google Patents
Info
- Publication number
- JPS63131439U JPS63131439U JP1987022011U JP2201187U JPS63131439U JP S63131439 U JPS63131439 U JP S63131439U JP 1987022011 U JP1987022011 U JP 1987022011U JP 2201187 U JP2201187 U JP 2201187U JP S63131439 U JPS63131439 U JP S63131439U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- terminal
- cordless
- circuit
- telephone device
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の赤外線コードレス電話装置の
設置説明図、第２図は同装置の接続図、第３図は
赤外線ターミナルの回路図である。
１…電話回線、２…親電話機、３…コード、４
…赤外線ターミナル、５…子電話機、６…赤外線
ターミナル。
FIG. 1 is an explanatory diagram of the installation of the infrared cordless telephone device of the present invention, FIG. 2 is a connection diagram of the same device, and FIG. 3 is a circuit diagram of the infrared terminal. 1...Telephone line, 2...Main phone, 3...Cord, 4
...Infrared terminal, 5...Slave phone, 6...Infrared terminal.
Claims (1)
機或いは宅内交換機に有線接続される第一赤外線
ターミナルと、該第一赤外線ターミナルと赤外線
によりコードレスで信号の送受信を行い、室内の
子電話機に接続される第二赤外線ターミナルとを
具備するようにしたことを特徴とする赤外線コー
ドレス電話装置。 (2) 上記第一、第二赤外線ターミナルが、変調
回路と赤外線発光素子で送信部を、赤外線受光素
子と復調回路で受信回路を構成していることを特
徴とする実用新案登録請求の範囲第１項記載の赤
外線コードレス電話装置。[Scope of Claim for Utility Model Registration] (1) A first infrared terminal that is attached to the ceiling, wall, etc. of a room and connected by wire to a main telephone or residential exchange, and cordless transmission and reception of signals by infrared rays with the first infrared terminal. An infrared cordless telephone device characterized in that it is equipped with a second infrared terminal that is connected to an indoor slave telephone. (2) The first and second infrared terminals constitute a transmitting section with a modulation circuit and an infrared light emitting element, and a receiving circuit with an infrared light receiving element and a demodulation circuit. The infrared cordless telephone device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022011U JPS63131439U (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022011U JPS63131439U (en) | 1987-02-19 | 1987-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63131439U true JPS63131439U (en) | 1988-08-29 |
Family
ID=30818984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987022011U Pending JPS63131439U (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63131439U (en) |
-
1987
- 1987-02-19 JP JP1987022011U patent/JPS63131439U/ja active Pending
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