KR960024885A

KR960024885A - Multifunction Selection Control Circuit

Info

Publication number: KR960024885A
Application number: KR1019940038531A
Authority: KR
Inventors: 장원찬
Original assignee: 김주용; 현대전자산업 주식회사
Priority date: 1994-12-29
Filing date: 1994-12-29
Publication date: 1996-07-20

Abstract

본 발명은 컴퓨터의 중앙처리장치에서 출력되는 어드레스 및 제어신호를 조합하여 출력하는 조합부(10)와, 상기 조합부(10)에서 출력되는 신호에 의해서 중앙처리장치에서 출력되는 데이터를 래치하는 래치부(20)와, 상기 래치부(20)의 각 출력단자 레벨에 따라 증폭부(50)에 공급되는 오디오 레벨을 제어하는 볼륨제어부(30)와, 상기 증폭부(50)에 공급되는 전원전압을 래치부 출력신호의 레벨에 따라 스위칭하는 전원스위칭부(40)와, 상기 래치부(20)의 출력신호에 따라 증폭부(50)에서 증폭된 오디오 신호와 컴퓨터의 출력 음 출력라인을 선택 절환하는 라인 절환부(60)와, 상기 증폭부(50)에서 증폭된 오디오 신호와 컴퓨터에서 출력되는 음을 출력하는 스피커 (70)로 구성되어, 사용자가 입력한 데이터에 따라 스피커에서 출력되는 오디오 음과 컴퓨터 출력음을 선택할 수 있으며, 그 출력음 레벨을 가변할 수 있는 다기능 선택 제어회로에 관한 것이다.The present invention provides a combination unit 10 for combining and outputting an address and a control signal output from a central processing unit of a computer, and a latch for latching data output from the central processing unit by a signal output from the combination unit 10. A volume control unit 30 for controlling the audio level supplied to the amplifier 50 according to the level of the output terminal of the latch unit 20, and a power supply voltage supplied to the amplifier 50; Selects and switches the power switching unit 40 for switching the output according to the level of the latch unit output signal, and the audio signal amplified by the amplifier unit 50 and the output sound output line of the computer according to the output signal of the latch unit 20. Line switching unit 60 and the speaker 70 for outputting the audio signal amplified by the amplification unit 50 and the sound output from the computer, the audio sound output from the speaker according to the user input data And computer output sound The present invention relates to a multi-function selection control circuit that can select and vary its output sound level.

Description

Multifunctional selection control circuit.

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

제1도는 본 발명에 따른 다기능 선택 제어회로의 실시예시도이다.1 is an exemplary view of a multifunction selection control circuit according to the present invention.

Claims

Combination unit 10 for combining and outputting the address and the control signal output from the central processing unit of the computer, and latch unit 20 for latching the data output from the central processing unit by the signal output from the combination unit 10 And a volume controller 30 for controlling the audio level supplied to the amplifier 50 according to the level of each output terminal of the latch unit 20, and a power supply voltage supplied to the amplifier 50. Line switching for selecting and switching the power signal switching unit 40 for switching according to the level of the output signal and the audio signal amplified by the amplifier 50 and the output sound output line of the computer according to the output signal of the latch unit 20. Multifunction selection control circuit, characterized in that consisting of a speaker (70) for outputting the sound output from the computer and the audio signal amplified by the amplification unit (50).

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