JPS5578292A - World watch with alarm - Google Patents

World watch with alarm

Info

Publication number
JPS5578292A
JPS5578292A JP15248278A JP15248278A JPS5578292A JP S5578292 A JPS5578292 A JP S5578292A JP 15248278 A JP15248278 A JP 15248278A JP 15248278 A JP15248278 A JP 15248278A JP S5578292 A JPS5578292 A JP S5578292A
Authority
JP
Japan
Prior art keywords
circuit
alarm
output
time
city
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
JP15248278A
Other languages
Japanese (ja)
Inventor
Hideji Kawamura
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 JP15248278A priority Critical patent/JPS5578292A/en
Publication of JPS5578292A publication Critical patent/JPS5578292A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)

Abstract

PURPOSE: To enable to operate the alarm at any time of every part in the world regardless of the city and time display displayed at present, by enabling the name of cities to be set, in setting the alarm time.
CONSTITUTION: In setting the alarm, when the switch SW3 is ON and the output of the OR circuit 15 is at H, the output of the alarm set circuit 7 is appeared at the output of the selection circuit 11. The city and time of the circuit 7 are set with the switch 2 and the name of cities is selected with the city selection circuit 4, the time difference with the reference city is input to the set time conversion circuit 8, and the alarm time converted into the reference city is output to the output. When the setting of alarm is finished and SW3 is OFF, the output of the circuit 15 is at L level, the circuit 11 outputs the signal of the addition circuit 6, and the city time before setting is displayed on the display unit 14. Next, when the comparison circuit 9 detects the agreement of the circuit 8 with the output of the reference time counter 3, the output of the circuit 9 is at H, the alarm drive circuit is operated to drive the speaker SP.
COPYRIGHT: (C)1980,JPO&Japio
JP15248278A 1978-12-08 1978-12-08 World watch with alarm Pending JPS5578292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15248278A JPS5578292A (en) 1978-12-08 1978-12-08 World watch with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15248278A JPS5578292A (en) 1978-12-08 1978-12-08 World watch with alarm

Publications (1)

Publication Number Publication Date
JPS5578292A true JPS5578292A (en) 1980-06-12

Family

ID=15541454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15248278A Pending JPS5578292A (en) 1978-12-08 1978-12-08 World watch with alarm

Country Status (1)

Country Link
JP (1) JPS5578292A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730983A (en) * 1980-07-31 1982-02-19 Sharp Corp Electronic clock with alarm
US5319581A (en) * 1991-08-29 1994-06-07 Sharp Kabushiki Kaisha Data processor with clocking for various world times

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730983A (en) * 1980-07-31 1982-02-19 Sharp Corp Electronic clock with alarm
JPS6158788B2 (en) * 1980-07-31 1986-12-13 Sharp Kk
US5319581A (en) * 1991-08-29 1994-06-07 Sharp Kabushiki Kaisha Data processor with clocking for various world times

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