JPS5377679A - Watch with alarm - Google Patents

Watch with alarm

Info

Publication number
JPS5377679A
JPS5377679A JP15360476A JP15360476A JPS5377679A JP S5377679 A JPS5377679 A JP S5377679A JP 15360476 A JP15360476 A JP 15360476A JP 15360476 A JP15360476 A JP 15360476A JP S5377679 A JPS5377679 A JP S5377679A
Authority
JP
Japan
Prior art keywords
watch
alarm
milder
prevent
air chamber
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
JP15360476A
Other languages
Japanese (ja)
Inventor
Fumikazu Murakami
Shigeo Mori
Yoshiaki Hara
Ichiro Horikoshi
Muneya Takahashi
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 JP15360476A priority Critical patent/JPS5377679A/en
Publication of JPS5377679A publication Critical patent/JPS5377679A/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
    • G04C21/02—Constructional details

Landscapes

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

Abstract

PURPOSE:To prevent the abrupt change in sound pressure by adding fine holes in part of an air chamber and making acoustic resonance characteristics milder.
JP15360476A 1976-12-21 1976-12-21 Watch with alarm Pending JPS5377679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15360476A JPS5377679A (en) 1976-12-21 1976-12-21 Watch with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15360476A JPS5377679A (en) 1976-12-21 1976-12-21 Watch with alarm

Publications (1)

Publication Number Publication Date
JPS5377679A true JPS5377679A (en) 1978-07-10

Family

ID=15566107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15360476A Pending JPS5377679A (en) 1976-12-21 1976-12-21 Watch with alarm

Country Status (1)

Country Link
JP (1) JPS5377679A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134999A (en) * 1983-01-24 1984-08-02 Seikosha Co Ltd Sound producing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134999A (en) * 1983-01-24 1984-08-02 Seikosha Co Ltd Sound producing device

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