KR860007572A - Electronic clock - Google Patents

Electronic clock Download PDF

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Publication number
KR860007572A
KR860007572A KR1019850001990A KR850001990A KR860007572A KR 860007572 A KR860007572 A KR 860007572A KR 1019850001990 A KR1019850001990 A KR 1019850001990A KR 850001990 A KR850001990 A KR 850001990A KR 860007572 A KR860007572 A KR 860007572A
Authority
KR
South Korea
Prior art keywords
circuit
driving
signal
drive
voltage
Prior art date
Application number
KR1019850001990A
Other languages
Korean (ko)
Inventor
.
Original Assignee
하마고이찌
가부시끼 가이샤 수와 세이꼬샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 하마고이찌, 가부시끼 가이샤 수와 세이꼬샤 filed Critical 하마고이찌
Priority to KR1019850001990A priority Critical patent/KR860007572A/en
Publication of KR860007572A publication Critical patent/KR860007572A/en

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Abstract

내용 없음No content

Description

전자시계Electronic clock

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

제 1 도는 본 발명에 따른 전자시계의 구성도.1 is a block diagram of an electronic clock according to the present invention.

제 4 도는 전압 검출회로의 구체예를 도시하는 도.4 is a diagram showing a specific example of the voltage detection circuit.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

X : 수정진동자 FF1내지n+2 : D형 플립플롭X: crystal oscillator FF 1 to n + 2: D type flip flop

D : 제너다이오드 L : 모터구동코일D: Zener Diode L: Motor Drive Coil

S : 고정자 R : 회전자S: Stator R: Rotor

W : 치차 H : 지침W: Gear H: Instructions

Vth : 전압센서장치의 임계전압Vth: Threshold voltage of voltage sensor device

Claims (1)

시간표준으로 되는 발진기, 상기 발진기의 신호를 분주하는 분주회로, 시각표시용의 지침을 구동하는 스텝모터, 상기 분주회로의 분주신호에 기초하여 상기 스텝모터를 구동하는 구동회로 및 전원전지로 이루어진 전자시계에 있어서.An electronic clock consisting of an oscillator serving as a time standard, a divider circuit for dividing a signal of the oscillator, a step motor for driving a time display instruction, a drive circuit for driving the step motor based on a divided signal of the divider circuit, and a power battery To. 전자 전압의 저하를 검지하고, 검출출력에 의해 상기 구동회로를 제어하는 전지 전압 검출회로를 구비하고, 상기 전지전압 검출회로는 기준전압원, 전지전압의 분할기 및 비교기로 구성되고, 상기 구동회로는 상기 스텝모터의 구동코일의 양단에 서로 위상이 약 180도 어긋난 구동신호를 공급하고, 상기 전압검출회로의 전압저하 검출출력에 의해, 상기 구동회로는 상기 구동신호의 적어도 한쪽의 위상을 변화시키고, 다른 쪽의 구동신호의 위상에 근접시킨 구동신호를 상기구동코일에 공급하는 것을 특징으로 하는 전자시계.A battery voltage detection circuit which detects a drop in an electronic voltage and controls the drive circuit by a detection output, wherein the battery voltage detection circuit comprises a reference voltage source, a divider and a comparator of the battery voltage, and the drive circuit comprises: The driving signal of about 180 degrees out of phase is supplied to both ends of the driving coil of the step motor, and the driving circuit changes at least one phase of the driving signal by the voltage drop detection output of the voltage detecting circuit. And a drive signal close to the phase of the drive signal to the drive coil. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850001990A 1985-03-26 1985-03-26 Electronic clock KR860007572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850001990A KR860007572A (en) 1985-03-26 1985-03-26 Electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850001990A KR860007572A (en) 1985-03-26 1985-03-26 Electronic clock

Publications (1)

Publication Number Publication Date
KR860007572A true KR860007572A (en) 1986-10-15

Family

ID=69105551

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850001990A KR860007572A (en) 1985-03-26 1985-03-26 Electronic clock

Country Status (1)

Country Link
KR (1) KR860007572A (en)

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