JPS5487264A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5487264A
JPS5487264A JP15469077A JP15469077A JPS5487264A JP S5487264 A JPS5487264 A JP S5487264A JP 15469077 A JP15469077 A JP 15469077A JP 15469077 A JP15469077 A JP 15469077A JP S5487264 A JPS5487264 A JP S5487264A
Authority
JP
Japan
Prior art keywords
circuit
receiving
buzzer
antenna
coil
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
JP15469077A
Other languages
Japanese (ja)
Inventor
Isao Arai
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 JP15469077A priority Critical patent/JPS5487264A/en
Publication of JPS5487264A publication Critical patent/JPS5487264A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass

Abstract

PURPOSE:To reduce the number of parts and effect compactness by using the coil of an electromagnetic buzzer or speaker as the antenna of a receiving circuit. CONSTITUTION:In an electronic watch having alarm and receiving functions, when a preset time is reached, a watch circuit 1 openes a gate circuit 3, and an alarm circuit 2 is operated to drive an electromagnetic buzzer 4. Since, at this time, the power source of a receiving circuit 7 has its gate circuit 6 closed, even if the buzzer 4 is driven, no influence is exerted upon the receiving circuit 7 using the coil 5 of the buzzer 4 as an antenna. When the alarm circuit 2 is inoperative, the gate circuit 3 is closed, but the gate circuit 6 is opened to supply the receiving circuit 7 with the power so that the receiving circuit using the coil 5 as the antenna is brought into its stand-by condition.
JP15469077A 1977-12-22 1977-12-22 Electronic watch Pending JPS5487264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15469077A JPS5487264A (en) 1977-12-22 1977-12-22 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15469077A JPS5487264A (en) 1977-12-22 1977-12-22 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5487264A true JPS5487264A (en) 1979-07-11

Family

ID=15589793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15469077A Pending JPS5487264A (en) 1977-12-22 1977-12-22 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5487264A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055902A1 (en) * 1997-06-05 1998-12-10 Citizen Watch Co., Ltd. Transmission-reception system for electronic clocks
WO2003107099A1 (en) * 2002-06-12 2003-12-24 セイコーエプソン株式会社 Clock system and method for controlling clock system
JP2016200508A (en) * 2015-04-10 2016-12-01 セイコーエプソン株式会社 Communication system, electronic timekeeper, and communication device
JP2020060592A (en) * 2019-12-26 2020-04-16 シチズン時計株式会社 Movement of electronic clock

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998055902A1 (en) * 1997-06-05 1998-12-10 Citizen Watch Co., Ltd. Transmission-reception system for electronic clocks
WO2003107099A1 (en) * 2002-06-12 2003-12-24 セイコーエプソン株式会社 Clock system and method for controlling clock system
US7027363B2 (en) 2002-06-12 2006-04-11 Seiko Epson Corporation Time measurement system and method of controlling the same
JP2016200508A (en) * 2015-04-10 2016-12-01 セイコーエプソン株式会社 Communication system, electronic timekeeper, and communication device
JP2020060592A (en) * 2019-12-26 2020-04-16 シチズン時計株式会社 Movement of electronic clock

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