JPS6035670U - Telephone line bee tone detection circuit - Google Patents
Telephone line bee tone detection circuitInfo
- Publication number
- JPS6035670U JPS6035670U JP12608583U JP12608583U JPS6035670U JP S6035670 U JPS6035670 U JP S6035670U JP 12608583 U JP12608583 U JP 12608583U JP 12608583 U JP12608583 U JP 12608583U JP S6035670 U JPS6035670 U JP S6035670U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone line
- detection circuit
- signal
- tone detection
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の回路構成図、第２図は音声信号とピー
シトーンの各場合におけるコンパレータ前後の信号波形
を示す図、第３図は本考案の一実施例を示す回路構成図
、第４図ａは音声信号、ｂはピーシトーンの各場合にお
ける信号波形とサンプルタイミングの関係を示す図であ
る。
１・・・増幅回路、２・・・トランス、３・・・整流回
路、４・・・Ａ／Ｄコンバータ、５・・・コンピュータ
。FIG. 1 is a circuit configuration diagram of a conventional example, FIG. 2 is a diagram showing signal waveforms before and after the comparator in each case of an audio signal and a psytone, FIG. 3 is a circuit configuration diagram showing an embodiment of the present invention, and FIG. FIG. 3A is a diagram showing the relationship between the signal waveform and sample timing in each case of a voice signal and a peachy tone. DESCRIPTION OF SYMBOLS 1... Amplifier circuit, 2... Transformer, 3... Rectifier circuit, 4... A/D converter, 5... Computer.
Claims (1)
信号を整流する回路と、上記整流回路の信号電圧をＡ／
Ｄ変換するＡ／Ｄコンバータとを具備し、上記Ａ／Ｄコ
ンバータＣネ、所定のサンプルタイミングで上記信号電
圧をサンプリングし、コンピュータに送り、コンピュー
タではサンプリング信号を振幅変化で検出し、ピーシト
ーンの判別を行なうようにしたことを特徴とする電話回
線のピーシトーン検出回路。A circuit that amplifies the signal from the office line, a circuit that rectifies the signal from the amplification circuit, and a signal voltage of the rectification circuit that is A/
The A/D converter C samples the signal voltage at a predetermined sampling timing and sends it to a computer, and the computer detects the sampling signal as an amplitude change and discriminates the tone. A peatone detection circuit for a telephone line, characterized in that the circuit performs the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12608583U JPS6035670U (en) | 1983-08-13 | 1983-08-13 | Telephone line bee tone detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12608583U JPS6035670U (en) | 1983-08-13 | 1983-08-13 | Telephone line bee tone detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6035670U true JPS6035670U (en) | 1985-03-12 |
Family
ID=30286824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12608583U Pending JPS6035670U (en) | 1983-08-13 | 1983-08-13 | Telephone line bee tone detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035670U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50120507A (en) * | 1974-03-06 | 1975-09-20 | ||
| JPS54130806A (en) * | 1978-04-03 | 1979-10-11 | Takachiho Tsushin Kiki Seisakusho:Kk | Signal discrimination system or busy tone and so on |
-
1983
- 1983-08-13 JP JP12608583U patent/JPS6035670U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50120507A (en) * | 1974-03-06 | 1975-09-20 | ||
| JPS54130806A (en) * | 1978-04-03 | 1979-10-11 | Takachiho Tsushin Kiki Seisakusho:Kk | Signal discrimination system or busy tone and so on |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6035670U (en) | Telephone line bee tone detection circuit | |
| JPS59169681U (en) | voice conversation device | |
| JPS6016200U (en) | Limiter amplifier in speech recognition equipment | |
| JPS60191100U (en) | Audio signal analyzer | |
| JPS5984953U (en) | voice detection device | |
| JPS6273269U (en) | ||
| JPS5835701U (en) | cooking equipment | |
| JPS58141609U (en) | Amplifier | |
| JPS59147352U (en) | Reception level detection device | |
| JPS597500U (en) | audio processing circuit | |
| JPS59183034U (en) | DA converter offset removal circuit | |
| JPS6047374U (en) | interface circuit | |
| JPS58141299U (en) | voice recognition device | |
| JPS59118115U (en) | magnetic recording and reproducing device | |
| JPS60164291U (en) | fire detector | |
| JPS5927600U (en) | Microphone for voice recognition | |
| JPS5891173U (en) | Peak level detection circuit | |
| JPS59145293U (en) | full wave rectifier circuit | |
| JPS6146429U (en) | Vibration measurement device | |
| JPS58173949U (en) | Burst signal receiving circuit | |
| JPS58169771U (en) | Signal discrimination circuit | |
| JPS5886518U (en) | Capacitive displacement detection installation | |
| JPS60174869U (en) | Peak detection circuit | |
| JPS60121364U (en) | answering machine | |
| JPS60102666U (en) | flaw detection equipment |