JPS6224553U - - Google Patents
Info
- Publication number
- JPS6224553U JPS6224553U JP11566285U JP11566285U JPS6224553U JP S6224553 U JPS6224553 U JP S6224553U JP 11566285 U JP11566285 U JP 11566285U JP 11566285 U JP11566285 U JP 11566285U JP S6224553 U JPS6224553 U JP S6224553U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection circuit
- identify
- pulse detection
- dial pulse
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例の回路構成図である
。
１１……トーン検出回路、１２……ダイヤルパ
ルス検出回路、１３……ＰＢ信号送出回路。
FIG. 1 is a circuit diagram of an embodiment of the present invention. 11...Tone detection circuit, 12...Dial pulse detection circuit, 13...PB signal sending circuit.
Claims (1)
態を識別するトーン検出回路を設置するとともに
、ダイヤル式電話機からのダイヤルパルスを通話
電流の断続により検出しダイヤルされた数字を識
別するダイヤルパルス検出回路を設置し、且つダ
イヤルパルス検出回路からの信号をＰＢ信号に変
換して送出するＰＢ信号送出回路とよりなること
を特徴とした信号変換装置。 A tone detection circuit is installed between the subscriber's line and the rotary telephone to identify the call status, and a dial pulse detection circuit detects dial pulses from the rotary telephone by intermittent communication current to identify dialed digits. 1. A signal conversion device comprising: a PB signal sending circuit which converts a signal from a dial pulse detection circuit into a PB signal and sends the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11566285U JPS6224553U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11566285U JPS6224553U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224553U true JPS6224553U (en) | 1987-02-14 |
Family
ID=30999524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11566285U Pending JPS6224553U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224553U (en) |
-
1985
- 1985-07-26 JP JP11566285U patent/JPS6224553U/ja active Pending
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