KR950005092A

KR950005092A - Battery voltage detection circuit of remote controller

Info

Publication number: KR950005092A
Application number: KR1019930014536A
Authority: KR
Inventors: 성우경
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1993-07-29
Filing date: 1993-07-29
Publication date: 1995-02-18

Abstract

본 발명은 전원스위치(10a)를 포함하는 다수의 기능제어키와 각 기능제어의 기능을 처리하여 원격제어신호를 출력하는 신호처리부(10b) 및 동작전원으로서의 건전지(10c)를 갖춘 리모콘에서 상기 전원스위치의 조작시 소정시간동안 건전지의 전압레벨을 출력하는 타이머(20)와, 이 타이머(20)에 의한 설정시간동안 상기 건전지(10c)의 레벨을 검출하여 레벨저하가 검출되면 발광소자(40)를 구동하는 전압검출회로(30)를 갖추어 상기 전원스위치(10a)의 조작시 리모콘에 사용되는 건전지 (10c)의 출력레벨을 검출하여 일정레벨이하이면 소정시간동안 발광소자(40)를 점등표시함으로써 건전지의 교체시기를 알려주도록 된 리모콘의 건전지 전압검출회로를 제공하는 것이다.The present invention relates to a remote control having a plurality of function control keys including a power switch 10a, a signal processor 10b for processing a function of each function control and outputting a remote control signal, and a battery 10c as an operating power source. The timer 20 outputs the voltage level of the battery for a predetermined time during the operation of the switch, and the light emitting element 40 detects the level of the battery 10c during the set time by the timer 20 and detects the level decrease. By detecting the output level of the battery 10c to be used in the remote control when operating the power switch 10a by operating the power switch 10a to display the light emitting element 40 for a predetermined time by It is to provide a battery voltage detection circuit of the remote control to inform the replacement time of the battery.

Description

Battery voltage detection circuit of remote controller

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

제1도는 본 발명에 따른 리모콘의 건전지전압검출회로의 블록구성도, 제2도는 제1도에 도시된 전압검출회로의 일예를 나타낸 회로도.1 is a block diagram of a battery voltage detection circuit of a remote control according to the present invention, Figure 2 is a circuit diagram showing an example of the voltage detection circuit shown in FIG.

Claims

A remote control having a plurality of function control keys including a power switch 10a, a signal processor 10b for processing a function of each function control and outputting a remote control signal, and a battery 10c as an operating power source, the power switch The timer 20 outputs the voltage level of the battery 10c for a predetermined time during the operation of the operation 10a, and the light emitting element 40 is detected when the level decrease is detected by detecting the level of the battery during the set time by the timer. Battery voltage detection circuit of the remote control, characterized in that provided with a driving voltage detection means (30).

2. The voltage detecting means (30) according to claim 1, wherein the voltage detecting means (30) is driven above the lowest reference voltage level set by the variable voltage level setting element (31) for setting the lowest reference level of the battery (10c) and the variable voltage level setting element. And a second transistor 33 which controls ON / OFF of the light emitting display element, and a second transistor which is turned on when the first transistor is inoperative and turns on the light emitting element 40 to display a level reduction of the battery. 39) battery voltage detection circuit of the remote control, characterized in that consisting of.

The light emitting device (40) according to claim 1, wherein the voltage detecting means (30) compares the voltage of the battery (10c) applied to the inverting input terminal with respect to the lowest reference voltage set at the non-inverting input terminal to light up the light emitting device (40) when the voltage drops of the battery. Battery voltage detection circuit of the remote control, characterized in that comprising a comparator (36).

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