CH633932GA3 - - Google Patents

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Publication number
CH633932GA3
CH633932GA3 CH742778A CH742778A CH633932GA3 CH 633932G A3 CH633932G A3 CH 633932GA3 CH 742778 A CH742778 A CH 742778A CH 742778 A CH742778 A CH 742778A CH 633932G A3 CH633932G A3 CH 633932GA3
Authority
CH
Switzerland
Prior art keywords
battery
sound
fixing ring
vibrating plate
cover
Prior art date
Application number
CH742778A
Other languages
German (de)
Other versions
CH633932B (en
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
Publication of CH633932B publication Critical patent/CH633932B/en
Priority claimed from JP1977091439U external-priority patent/JPS5847437Y2/en
Priority claimed from JP7194678A external-priority patent/JPS54163075A/en
Application filed filed Critical
Publication of CH633932GA3 publication Critical patent/CH633932GA3/de

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/34—Devices on watches or similar portable timepieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details

Landscapes

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

Abstract

A case construction for an electronic alarm wristwatch powered by a battery 40, comprising: a case band 29; a sound-emitting cover 22 detachably fastened to the case band and including a battery replacement through-hole and sound-emitting holes; a fixing ring 26 disposed in concentric relationship with the battery replacement through-hole; a battery hatch cover 28 removably engaging a portion of the fixing ring; a vibrating plate 24 fixed to the fixing ring and spaced from the sound-emitting cover; a sealing ring 38 disposed between the vibrating plate and the battery hatch cover to provide a water-tight seal; and a piezoelectric vibrating element 30 mounted on the vibrating plate. <IMAGE>
CH742778A 1977-07-09 1978-07-07 WATCH CASE FOR AN ELECTRONIC WATCH. CH633932B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1977091439U JPS5847437Y2 (en) 1977-07-09 1977-07-09 Electronic watch case with alarm
JP7194678A JPS54163075A (en) 1978-06-14 1978-06-14 Electronic watch case with alarm

Publications (2)

Publication Number Publication Date
CH633932B CH633932B (en)
CH633932GA3 true CH633932GA3 (en) 1983-01-14

Family

ID=26413070

Family Applications (1)

Application Number Title Priority Date Filing Date
CH742778A CH633932B (en) 1977-07-09 1978-07-07 WATCH CASE FOR AN ELECTRONIC WATCH.

Country Status (3)

Country Link
CH (1) CH633932B (en)
DE (1) DE2829992A1 (en)
GB (1) GB2002932B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056724B (en) * 1979-06-30 1983-07-06 Citizen Watch Co Ltd Acoustic alarm devices for watches
JPS5661677A (en) * 1979-10-24 1981-05-27 Hitachi Ltd Watch
JPS5692893U (en) * 1979-12-17 1981-07-23

Also Published As

Publication number Publication date
DE2829992A1 (en) 1979-01-18
GB2002932B (en) 1982-01-06
CH633932B (en)
GB2002932A (en) 1979-02-28

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