JPS5794674A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
JPS5794674A
JPS5794674A JP17050480A JP17050480A JPS5794674A JP S5794674 A JPS5794674 A JP S5794674A JP 17050480 A JP17050480 A JP 17050480A JP 17050480 A JP17050480 A JP 17050480A JP S5794674 A JPS5794674 A JP S5794674A
Authority
JP
Japan
Prior art keywords
pulse
counter
gate
time
exactly
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP17050480A
Other languages
Japanese (ja)
Inventor
Toru Hagihira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP17050480A priority Critical patent/JPS5794674A/en
Publication of JPS5794674A publication Critical patent/JPS5794674A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means
    • G04C9/08—Electrically-actuated devices for setting the time-indicating means by electric drive

Abstract

PURPOSE:To exactly drive a step-motor, stepwise and to exactly correct the time, by shutting off a pulse of a constant period overlapping a high speed correcting pulse, counting only the high speed correcting pulse of a constant number, and driving a pulse motor. CONSTITUTION:When a switch S is turned on, an FF 17 is set by a monostable multivibrator 13, and AND gate 12 is opened, a high speed pulse from a frequency dividing circuit 2 is applied to a pulse motor driving circuit 6, and also is applied to a ternary counter 16 through an AND gate 14. Subsequently, the FF17 is reset by a carry signal generated by counting a prescribed number of the counter 16, and the time is corrected until the gate 12 is closed. When correcting said time, in case when a pointer driving pulse of every 20 seconds from a 20-scale counter 3 is also applied by overlapping the circuit 6, the gate 14 is closed by an output of the counter 3 through an inverter 15, this output is shut off and is not counted by the counter 16, a step-motor is stroke-driven exactly by a prescribed quantity, and the time is corrected exactly.
JP17050480A 1980-12-03 1980-12-03 Electronic timepiece Pending JPS5794674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17050480A JPS5794674A (en) 1980-12-03 1980-12-03 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17050480A JPS5794674A (en) 1980-12-03 1980-12-03 Electronic timepiece

Publications (1)

Publication Number Publication Date
JPS5794674A true JPS5794674A (en) 1982-06-12

Family

ID=15906178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17050480A Pending JPS5794674A (en) 1980-12-03 1980-12-03 Electronic timepiece

Country Status (1)

Country Link
JP (1) JPS5794674A (en)

Similar Documents

Publication Publication Date Title
JPS5794674A (en) Electronic timepiece
GB1480754A (en) Drive pulse generator for use in electronic analogue display clock apparatus
GB1498700A (en) Time correction circuits for electronic timepieces
CH630501B (en) TIME CORRECTION-ADJUSTMENT CIRCUIT FOR ELECTRONIC WATCH PART, ESPECIALLY ELECTRONIC BRACELET WATCH.
ES484180A1 (en) Digital comparator of the angular speed and motor control comprising such a device.
JPS5580083A (en) Electronic watch
JPS55155286A (en) Electronic timepiece
JPS561382A (en) All-electronic analogue indication clock
JPS5775584A (en) Motor controlling circuit
JPS57147077A (en) Electronic watch
JPS5446582A (en) Time informing watch of digital type
JPS573081A (en) Multichannel digital timer
JPS551703A (en) Programmable pulse generator
JPS55122183A (en) Temperature-compensated crystal timepiece
JPS54147072A (en) Alarm electronic watch
JPS57188140A (en) Reference signal generating circuit
JPS5552984A (en) Analog electronic watch
JPS5566779A (en) Electronic watch
JPS55134381A (en) Electronic watch
JPS56124080A (en) Electronic timepiece
JPS5762770A (en) Phase angle control circuit of thyristor converter
JPS56117428A (en) Counter device
JPS56162079A (en) Circuit for electronic clock
JPS56675A (en) Analogue clock for car
JPS57100372A (en) Electronic timepiece