JPS5430073A - Mechanical watch - Google Patents

Mechanical watch

Info

Publication number
JPS5430073A
JPS5430073A JP9637177A JP9637177A JPS5430073A JP S5430073 A JPS5430073 A JP S5430073A JP 9637177 A JP9637177 A JP 9637177A JP 9637177 A JP9637177 A JP 9637177A JP S5430073 A JPS5430073 A JP S5430073A
Authority
JP
Japan
Prior art keywords
mechanical watch
sound
elongate
speaker
reliability
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
JP9637177A
Other languages
Japanese (ja)
Inventor
Tomotoshi Takayama
Katsuyuki Ikeda
Kozo Sato
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 JP9637177A priority Critical patent/JPS5430073A/en
Publication of JPS5430073A publication Critical patent/JPS5430073A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals

Landscapes

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

Abstract

PURPOSE:To reduce the sound generating mechanical parts so as to improve the reliability and to elongate the life by providing an electronic circuit for generating frequencies of audible range so that the hour indicating sounds and alarm sound may be generated from a speaker.
JP9637177A 1977-08-10 1977-08-10 Mechanical watch Pending JPS5430073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9637177A JPS5430073A (en) 1977-08-10 1977-08-10 Mechanical watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9637177A JPS5430073A (en) 1977-08-10 1977-08-10 Mechanical watch

Publications (1)

Publication Number Publication Date
JPS5430073A true JPS5430073A (en) 1979-03-06

Family

ID=14163101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9637177A Pending JPS5430073A (en) 1977-08-10 1977-08-10 Mechanical watch

Country Status (1)

Country Link
JP (1) JPS5430073A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153368A (en) * 1984-01-21 1985-08-12 Nanmoto Kk Wind-up device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153368A (en) * 1984-01-21 1985-08-12 Nanmoto Kk Wind-up device

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