JPH0314863U

JPH0314863U -

Info

Publication number: JPH0314863U
Application number: JP7372089U
Authority: JP
Priority date: 1989-06-24
Filing date: 1989-06-24
Publication date: 1991-02-14

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に係るダイヤル信号
からプツシユ信号への変換装置の概略ブロツク図
、第２図は該ダイヤル信号からプツシユ信号への
変換装置の部分ブロツク図、第３図Ａ，Ｂ，Ｃは
波形図、第４図は該ダイヤル信号からプツシユ信
号への変換装置のブロツク図を示す。符号の説明、１０……ダイヤル信号からプツシ
ユ信号への変換装置、１１……ライン、１２……
起動信号発生回路、１３……信号変換回路、１４
……ＣＰＵ、１５……プツシユボタン信号を発生
する回路、１６……スピーカー、１７……コンデ
ンサー、１８……抵抗、１９……ダイオード回路
、２０……ツエナーダイオード、２１……フオト
カプラー、２２……ＤＩＤＵ、２３……リレー、
２４……トランス、２５……模擬電話装置、２６
……アンプ、２７……データー伝送回路、２８…
…ピークポールド回路、２９……分割抵抗、３０
……コンパレーター、３１……マルチバイブレー
ター、３２……送話器、３５……交換器、３６…
…電源回路。 FIG. 1 is a schematic block diagram of a device for converting dial signals to push signals according to an embodiment of the present invention, FIG. 2 is a partial block diagram of the device converting dial signals to push signals, and FIGS. B and C are waveform diagrams, and FIG. 4 is a block diagram of the device for converting the dial signal into a push signal. Explanation of symbols, 10...Dial signal to push signal conversion device, 11...Line, 12...
Starting signal generation circuit, 13...Signal conversion circuit, 14
... CPU, 15 ... Circuit that generates a push button signal, 16 ... Speaker, 17 ... Capacitor, 18 ... Resistor, 19 ... Diode circuit, 20 ... Zener diode, 21 ... Photocoupler, 22 ... DIDU, 23...Relay,
24...Transformer, 25...Mock telephone device, 26
...Amplifier, 27...Data transmission circuit, 28...
...Peak pole circuit, 29...Division resistor, 30
... Comparator, 31 ... Multivibrator, 32 ... Transmitter, 35 ... Exchanger, 36 ...
...Power circuit.

Claims

[Scope of claim for utility model registration] (1) A start signal generation circuit that connects to the line to detect a call signal and start the device, and a length that receives a dial signal from the line after startup and responds to the dial signal. a signal conversion circuit that generates a pulse signal, an arithmetic processing circuit that measures the pulse signal from the signal conversion circuit and makes it correspond to predetermined numerical data, and detects a dial signal; A conversion device from a dial signal to a push signal, comprising a push button signal generation circuit that generates a push button signal. (2) The device for converting a dial signal into a push signal according to claim 1, wherein data is input from the line to the device through a magnetic coupler such as a photocoupler, an acoustic coupler, or a transformer in an insulated state.