CH464272A4 - - Google Patents

Info

Publication number
CH464272A4
CH464272A4 CH464272A CH464272A CH464272A4 CH 464272 A4 CH464272 A4 CH 464272A4 CH 464272 A CH464272 A CH 464272A CH 464272 A CH464272 A CH 464272A CH 464272 A4 CH464272 A4 CH 464272A4
Authority
CH
Switzerland
Application number
CH464272A
Other versions
CH581860B5 (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
Priority claimed from JP2299971U external-priority patent/JPS4717675U/ja
Priority claimed from JP46018984A external-priority patent/JPS5233978B1/ja
Application filed filed Critical
Publication of CH464272A4 publication Critical patent/CH464272A4/xx
Publication of CH581860B5 publication Critical patent/CH581860B5/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
CH464272A 1971-03-30 1972-03-29 CH581860B5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2299971U JPS4717675U (en) 1971-03-30 1971-03-30
JP46018984A JPS5233978B1 (en) 1971-03-30 1971-03-30

Publications (2)

Publication Number Publication Date
CH464272A4 true CH464272A4 (en) 1976-03-31
CH581860B5 CH581860B5 (en) 1976-11-15

Family

ID=33566593

Family Applications (1)

Application Number Title Priority Date Filing Date
CH464272A CH581860B5 (en) 1971-03-30 1972-03-29

Country Status (2)

Country Link
CH (1) CH581860B5 (en)
DE (1) DE2215768C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280123A1 (en) * 1974-05-09 1976-02-20 Cetehor Electronic movement for ladies wrist watch - has visual, audio or tactile alarm circuit
GB2056724B (en) * 1979-06-30 1983-07-06 Citizen Watch Co Ltd Acoustic alarm devices for watches
JPS5661897A (en) * 1979-10-24 1981-05-27 Hitachi Ltd Display unit
DE10163752A1 (en) * 2001-12-27 2003-07-17 Hilmar Konrad Wristwatch is provided with cooling air channels on its reverse side, so that a larger watch face can be employed and user discomfort in hot conditions or during exercise is reduced
EP2461219B1 (en) 2010-12-02 2020-10-14 Montres Breguet SA Acoustic membrane for a musical box or an alarm watch
CH704183A2 (en) 2010-12-02 2012-06-15 Montres Breguet Sa Acoustic radiation membrane for e.g. music watch, has cavities or projecting portions formed in form of honeycomb, where shape and dimensions of cavities are adapted based on type of material as well as notes to be radiated by membrane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136281B (en) * 1953-11-18 1962-09-06 Baumgartner Freres Sa Wristwatch
NL124186C (en) * 1959-05-29

Also Published As

Publication number Publication date
DE2215768A1 (en) 1972-12-14
DE2215768C2 (en) 1982-08-12
CH581860B5 (en) 1976-11-15

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased