JPS6048189U

JPS6048189U - clock battery checker

Info

Publication number: JPS6048189U
Application number: JP14077083U
Authority: JP
Inventors: 茂渡辺; 鈴木　鑛治
Original assignee: 河口湖精密株式会社
Priority date: 1983-09-10
Filing date: 1983-09-10
Publication date: 1985-04-04

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

Description

[Brief explanation of drawings]

第１図はこの考案よりなるバッテリチェッカをその前面
に備えたクロックの正面図、第２図は第１図のＡ−Ａ線
断面概略図、第３図は第１図の液晶表示素子の拡大正面
図、第４図は液晶表示素子の他の実施例を示した拡大正
面図、第５図はバッテリチェッカの回路を含むブロック
図、第６図は縦軸に電圧を、横軸に時間をとり、時計機
能部、液晶表示素子およびその駆動回路を接続したとき
の電池の放電曲線を示すグラフである。１はケース、２は時計機能部、１０は開口部、１１は液
晶表示素子、ｌｌａは変化部分、ｌｌｂは不変化部分、
８は電池、１゛２は駆動回路、１００はクロック。Figure 1 is a front view of a clock equipped with a battery checker based on this invention on the front, Figure 2 is a schematic cross-sectional view taken along line A-A in Figure 1, and Figure 3 is an enlarged view of the liquid crystal display element in Figure 1. 4 is an enlarged front view showing another embodiment of the liquid crystal display element, FIG. 5 is a block diagram including a battery checker circuit, and FIG. 6 shows voltage on the vertical axis and time on the horizontal axis. 2 is a graph showing a discharge curve of a battery when a clock function section, a liquid crystal display element, and its drive circuit are connected. 1 is a case, 2 is a clock function part, 10 is an opening, 11 is a liquid crystal display element, lla is a changing part, llb is an unchanged part,
8 is a battery, 1 and 2 are drive circuits, and 100 is a clock.

Claims

[Scope of utility model registration request]

(1) In a lock that is equipped with a battery and a clock function section that operates using power supplied from the battery, there is an opening provided in a part of the front of the case, and an opening attached to the back of this opening. comprising a liquid crystal display element and a drive circuit that operates by receiving power from the battery to drive the liquid crystal display element, and when the voltage of the battery approaches the threshold voltage of the clock function section; A clock battery checker which notifies the battery replacement by changing the liquid crystal display element.

(2) The clock battery checker according to claim 1, wherein the display portion of the liquid crystal display element includes a changing portion and an unchanging portion.