KR970049410A

KR970049410A - Answering device for multimedia computer

Info

Publication number: KR970049410A
Application number: KR1019950051083A
Authority: KR
Inventors: 이성길
Original assignee: 김주용; 현대전자산업 주식회사
Priority date: 1995-12-16
Filing date: 1995-12-16
Publication date: 1997-07-29

Abstract

1. 청구범위에 기재된 고안이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

멀티미디어 컴퓨터Multimedia computer

멀티미디어 컴퓨터의 전원을 오프한 상태에서는 부가 서비스가 불가능한 문제점을 해결하려고 하는 것임.This is to solve the problem that supplementary service is impossible when the multimedia computer is turned off.

3.발명의 해결방법의 요지3. Summary of the solution of the invention

전화라인으로 인입되는 링신호를 감지하는 링신호 감지부(1)와, 링신호 감지부(1)로부터 출력되는 신호에 따라 보조전원을 제어하는 보조전원스위치(2)와, 보조전원 스위치(2)를 통해 얻어지는 교류전원을 보조전원으로 변환하여 출력하는 보조전원부(3)와, 보조 전원부(3)에서 공급되는 전원으로 구동하여 전화 라인으로 수신되는 신호를 판단하고 미리 설정된 모드에 따라 컴퓨터의 전원 및 링발생신호를 출력하여 자동응답기능 또는 전화수신이 이루어지도록 제어하는 중앙철리장치(4)와, 중앙처리장치(4)의 제어에 따라 메인 전원을 공급하는 인터페이스 하면서 팩시밀리수신이나 음성녹음을 실행하는 컴퓨터부(6)와, 중앙처리장치(6)에서 출력된 링발생신호에 따라 착신벨을 송출하는 링 발생부(7)와, 자동응답기능시 음성 안내 메시지가 저장된 플래쉬 메모리(8)를 구비한 것을 특징으로 한 것이다.A ring signal detection unit 1 for detecting a ring signal entering the telephone line, an auxiliary power switch 2 for controlling an auxiliary power according to a signal output from the ring signal detection unit 1, and an auxiliary power switch 2 Auxiliary power unit (3) for converting and outputting the AC power obtained through the sub power source and the power supplied from the auxiliary power supply unit 3 to determine the signal received by the telephone line and the power of the computer according to the preset mode And a central receiving device 4 for outputting a ring generation signal to control an automatic answering function or a telephone reception, and an interface for supplying main power according to the control of the central processing unit 4 to perform fax reception or voice recording. A computer unit 6, a ring generation unit 7 for transmitting an incoming bell according to a ring generation signal output from the central processing unit 6, and a flash storing a voice guidance message during an automatic answering function A memory 8 is provided.

4. 발명의 중요한 용도4. Important uses of the invention

멀티미디어를 이용한 자동응답장치에 적용되는 것임.It is applied to an automatic answering device using multimedia.

Description

Analog gain regulator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 의한 아날로그 이득 조정기의 동작 설명을 하기 위한 제2도를 단순화시킨 도면이다,3 is a simplified view of FIG. 2 for explaining the operation of the analog gain adjuster according to the present invention.

제4도는 제3도의 스위치의 개폐를 결정하는 제어신호를 도시한 파형도이다.4 is a waveform diagram showing a control signal for determining the opening and closing of the switch in FIG.

Claims

Gain selection means comprising at least one condenser connected in parallel, at least one first switch connected in series with each condenser, and at least one second switch connected between the common point of the condenser and the corresponding switch and ground; ; An operational amplifier whose inverting input is connected to ground at the output side of the baby gain selecting means; The third input of the op amp and the output of the operational amplifier connected to the output and the fourth switch and the quehwan condenser connected in series with the third or fourth switch to open or close the first, second, third, fourth switch An analog gain regulator, characterized in that the gain is adjusted according to the number of opening and closing by applying a control signal to control.

The analog gain regulator as set forth in claim 1, further comprising a switch clock generating means for generating said control signal in response to a gain selection signal.

※ Note: The disclosure is based on the initial application.