JPS5492364A - Watch - Google Patents

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Info

Publication number
JPS5492364A
JPS5492364A JP15931277A JP15931277A JPS5492364A JP S5492364 A JPS5492364 A JP S5492364A JP 15931277 A JP15931277 A JP 15931277A JP 15931277 A JP15931277 A JP 15931277A JP S5492364 A JPS5492364 A JP S5492364A
Authority
JP
Japan
Prior art keywords
time
alarm
circuit
watch
constitution
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
JP15931277A
Other languages
Japanese (ja)
Inventor
Katsuyuki Ikeda
Takahiro Naka
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15931277A priority Critical patent/JPS5492364A/en
Publication of JPS5492364A publication Critical patent/JPS5492364A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/12—Indicating the time of the day by electro-acoustic means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE:To simplify the constitution of alarm sound producing part and achieve the smaller size, lighter weight and higher reliability of the watch by detecting the time, etc. as serial signals and setting the alarm time, etc. in a presettable counter. CONSTITUTION:The serial signal of the alarm set time of the time detecting part 202 which makes non-contact detection of the slits 302 ... provided to a rotator 301 turning together with the hour hand with an optical sensor 303 is set in a presettable counter 201. This causes the set alarm to be announced via oscilation circuit 204, envelope circuit 205, etc. by the coincidence signal with the time signal of an oscillation circuit 203. Hence, the desired time is set in the counter 201 without using parallel binary codes of plural bits from the watch circuit, thus the constitution of the alarming circuit is simplified and the watch of a small size, lightweightness and high reliability may be provided. If in the initial state at the battery exchanging, etc. the resetting of the time setting is released after making hand turning of passing through the specified time beforehand, then the occurrence of false alarm is prevented.
JP15931277A 1977-12-29 1977-12-29 Watch Pending JPS5492364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15931277A JPS5492364A (en) 1977-12-29 1977-12-29 Watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15931277A JPS5492364A (en) 1977-12-29 1977-12-29 Watch

Publications (1)

Publication Number Publication Date
JPS5492364A true JPS5492364A (en) 1979-07-21

Family

ID=15691040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15931277A Pending JPS5492364A (en) 1977-12-29 1977-12-29 Watch

Country Status (1)

Country Link
JP (1) JPS5492364A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866318U (en) * 1981-10-30 1983-05-06 日本電気ホームエレクトロニクス株式会社 Rotational position detection device
JPS58129320A (en) * 1982-01-29 1983-08-02 Nec Corp Position detecting device
CN105652636A (en) * 2016-04-20 2016-06-08 俞金慧 Interesting clock capable of tolling

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136441A (en) * 1975-05-07 1976-11-25 Applic Gen Erekutorishite E Do Position reader for moving body
JPS51145362A (en) * 1975-06-09 1976-12-14 Aichi Tokei Denki Co Ltd Time informing watch
JPS52146275A (en) * 1976-05-31 1977-12-05 Fuji Keiki Co Ltd Electronic time informing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136441A (en) * 1975-05-07 1976-11-25 Applic Gen Erekutorishite E Do Position reader for moving body
JPS51145362A (en) * 1975-06-09 1976-12-14 Aichi Tokei Denki Co Ltd Time informing watch
JPS52146275A (en) * 1976-05-31 1977-12-05 Fuji Keiki Co Ltd Electronic time informing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866318U (en) * 1981-10-30 1983-05-06 日本電気ホームエレクトロニクス株式会社 Rotational position detection device
JPS58129320A (en) * 1982-01-29 1983-08-02 Nec Corp Position detecting device
CN105652636A (en) * 2016-04-20 2016-06-08 俞金慧 Interesting clock capable of tolling

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