JPS5587083A - Analog alarm watch - Google Patents

Analog alarm watch

Info

Publication number
JPS5587083A
JPS5587083A JP16216878A JP16216878A JPS5587083A JP S5587083 A JPS5587083 A JP S5587083A JP 16216878 A JP16216878 A JP 16216878A JP 16216878 A JP16216878 A JP 16216878A JP S5587083 A JPS5587083 A JP S5587083A
Authority
JP
Japan
Prior art keywords
time
alarm
display
difference
circuit
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
JP16216878A
Other languages
Japanese (ja)
Inventor
Masaharu Shida
Shuji Otawa
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP16216878A priority Critical patent/JPS5587083A/en
Publication of JPS5587083A publication Critical patent/JPS5587083A/en
Pending legal-status Critical Current

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  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: To enable the setting of correct alarm time with simple constitution, by making coincidence between the alarm time and present time electronically through the storage of the count time difference and controlling the rotation of the step motor for display.
CONSTITUTION: When alarm time is set with the operation set 12, the time difference counter 13 counts and stores the time difference between the set time and present time via the control circuit 11, and when the count value is zero, the alarm tone is casted from the alarm unit 16 with electronic coincidence. On the other hand, the display difference counter 15 counts and stores the difference between the display time and present time with the pointer 6 via the circuit 11, and the magnitude of the memory content is discriminated at the discriminating circuit 17 in response to the display selective operation of the set 12, the step motor 4 is turned forward or reverse by the count difference stored in the counter 13 to perform the display selection of the present time and alarm set time. The alarm time can accurately be set in the unit of second with a simple constitution not requiring coincidence circuit and easy and sure display selection.
COPYRIGHT: (C)1980,JPO&Japio
JP16216878A 1978-12-25 1978-12-25 Analog alarm watch Pending JPS5587083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16216878A JPS5587083A (en) 1978-12-25 1978-12-25 Analog alarm watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16216878A JPS5587083A (en) 1978-12-25 1978-12-25 Analog alarm watch

Publications (1)

Publication Number Publication Date
JPS5587083A true JPS5587083A (en) 1980-07-01

Family

ID=15749308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16216878A Pending JPS5587083A (en) 1978-12-25 1978-12-25 Analog alarm watch

Country Status (1)

Country Link
JP (1) JPS5587083A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198785A (en) * 1982-05-14 1983-11-18 Citizen Watch Co Ltd External operation device of hand display type alarm electronic wrist watch
JPS58200190A (en) * 1982-05-18 1983-11-21 Citizen Watch Co Ltd Switching device for display of hand display type watch with additional function
JPS6095591U (en) * 1983-12-06 1985-06-29 シチズン時計株式会社 Pointer display electronic clock with alarm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198785A (en) * 1982-05-14 1983-11-18 Citizen Watch Co Ltd External operation device of hand display type alarm electronic wrist watch
JPH059757B2 (en) * 1982-05-14 1993-02-05 Citizen Watch Co Ltd
JPS58200190A (en) * 1982-05-18 1983-11-21 Citizen Watch Co Ltd Switching device for display of hand display type watch with additional function
JPS6095591U (en) * 1983-12-06 1985-06-29 シチズン時計株式会社 Pointer display electronic clock with alarm

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