JPS6035667U

JPS6035667U - answering machine

Info

Publication number: JPS6035667U
Application number: JP12721583U
Authority: JP
Inventors: 土屋　富雄
Original assignee: パイオニアアンサホン株式会社
Priority date: 1983-08-19
Filing date: 1983-08-19
Publication date: 1985-03-12

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の留守番電話装置を示すブロック図、第２
図は本考案の一実施例を示すブロック図である。１・・・応答信号送出増幅器、３および１０・・・バン
ドパスフィルタ、１２〜１５・・・ＰＬＬ回路、１６・
・・制御回路。Figure 1 is a block diagram showing a conventional answering machine; Figure 2 is a block diagram showing a conventional answering machine;
The figure is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Response signal sending amplifier, 3 and 10... Bandpass filter, 12-15... PLL circuit, 16.
...Control circuit.

Claims

[Scope of utility model registration request]

In an answering machine that identifies and detects a telephone signal and controls the main body of the answering machine according to the detected telephone signal, a first pad pass filter that passes only a common frequency component among a plurality of detected telephone signals;
a detection means for detecting the presence or absence of the output of the first bandpass filter; a second padpass filter for passing frequency components other than the seven common frequency components among the plurality of detected button signals; and a PLL circuit for detecting the presence or absence of other frequency components in the plurality of detected Button signals in the output components of the second band pass filter, the Button tone is detected by the output of the detection means and the output of the PLL circuit. An answering machine characterized by being adapted to identify and detect signals.