JPH0375662U - - Google Patents
Info
- Publication number
- JPH0375662U JPH0375662U JP13685289U JP13685289U JPH0375662U JP H0375662 U JPH0375662 U JP H0375662U JP 13685289 U JP13685289 U JP 13685289U JP 13685289 U JP13685289 U JP 13685289U JP H0375662 U JPH0375662 U JP H0375662U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- signal processing
- processing circuit
- power supply
- circuit
- 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
Description
第１図はこの考案に係る電話機の要部のブロツ
ク図である。第２図は、従来例の要部のブロツク
図である。
主な符号の説明、１…電話機、２…電話回路の
電源用第１のトランス、３…電話回路の電源用第
１の電源回路、４…電話回線に接続した電話回路
、５…各部を制御するＣＰＵ、６…信号処理回路
の電源用第２のトランス、７…信号処理回路の電
源用第２の電源回路、８…信号処理回路入力のフ
オトカプラ、９…信号処理回路、１０…信号処理
回路の入力端子、１１…信号処理回路の出力端子
。
FIG. 1 is a block diagram of the main parts of the telephone according to this invention. FIG. 2 is a block diagram of the main parts of the conventional example. Explanation of main symbols, 1...Telephone, 2...First transformer for powering the telephone circuit, 3...First power supply circuit for powering the telephone circuit, 4...Telephone circuit connected to the telephone line, 5...Controlling each part 6... Second transformer for power supply of the signal processing circuit, 7... Second power supply circuit for power supply of the signal processing circuit, 8... Photocoupler for signal processing circuit input, 9... Signal processing circuit, 10... Signal processing circuit 11... an output terminal of the signal processing circuit.
Claims (1)
を制御するように構成した電話機において、 上記信号処理回路の入力側に設けたフオトカプ
ラと、この信号処理回路の供給電源に設けた電源
回路とを備えたことを特徴とする電話機。[Scope of Claim for Utility Model Registration] In a telephone configured to include a signal processing circuit inside the telephone and control other electronic equipment, a photocoupler provided on the input side of the signal processing circuit and a power supply for the signal processing circuit. What is claimed is: 1. A telephone set comprising: a power supply circuit provided in the telephone;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13685289U JPH0375662U (en) | 1989-11-28 | 1989-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13685289U JPH0375662U (en) | 1989-11-28 | 1989-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375662U true JPH0375662U (en) | 1991-07-30 |
Family
ID=31684038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13685289U Pending JPH0375662U (en) | 1989-11-28 | 1989-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375662U (en) |
-
1989
- 1989-11-28 JP JP13685289U patent/JPH0375662U/ja active Pending
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