JPS63199098U

JPS63199098U -

Info

Publication number: JPS63199098U
Application number: JP9047087U
Authority: JP
Priority date: 1987-06-11
Filing date: 1987-06-11
Publication date: 1988-12-21

Description

[Brief explanation of the drawing]

第１図は本考案に係る車両用電子時計の実施例
を示すブロツク回路図。第２，３図は第１図の動
作を示すタイムチヤート。２……時刻計時回路、１２……輝度可変回路、
１４……時刻表示回路、１６……輝度調整回路、
３４……照明回路、４４……ライトスイツチ、４
６……輝度補正回路。 FIG. 1 is a block circuit diagram showing an embodiment of a vehicle electronic timepiece according to the present invention. 2 and 3 are time charts showing the operation of FIG. 1. 2...Time clock circuit, 12...Brightness variable circuit,
14...Time display circuit, 16...Brightness adjustment circuit,
34...Lighting circuit, 44...Light switch, 4
6... Brightness correction circuit.

Claims

[Claims for Utility Model Registration] A time clock circuit that clocks a reference signal and outputs a time display signal; a time display circuit that emits light to display the time corresponding to the time display signal; and a time display circuit that corresponds to the operating form of an external operating member. a brightness adjustment circuit that outputs a brightness adjustment signal at a level that corresponds to the brightness adjustment signal; a brightness variable circuit that changes the luminance brightness of the time display circuit in response to the brightness adjustment signal; and a brightness variable circuit that responds to the brightness adjustment signal when a light switch is turned on. A lighting circuit for illuminating an instrument panel with brightness, and an electronic timepiece for a vehicle, comprising: supplying the brightness adjustment signal as it is to the brightness variable circuit when the light switch is turned off;
On the other hand, an electronic timepiece for a vehicle, comprising: a brightness correction circuit that supplies a brightness adjustment signal reduced by a predetermined level to a brightness variable circuit when turned on.