CH581860B5 - - Google Patents

Info

Publication number
CH581860B5
CH581860B5 CH464272A CH464272A CH581860B5 CH 581860 B5 CH581860 B5 CH 581860B5 CH 464272 A CH464272 A CH 464272A CH 464272 A CH464272 A CH 464272A CH 581860 B5 CH581860 B5 CH 581860B5
Authority
CH
Switzerland
Application number
CH464272A
Original Assignee
Citizen Watch Co Ltd
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 by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
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 (fr)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CH581860B5 true CH581860B5 (fr) 1976-11-15

Family

ID=33566593

Family Applications (2)

Application Number Title Priority Date Filing Date
CH464272D CH464272A4 (fr) 1971-03-30 1972-03-29
CH464272A CH581860B5 (fr) 1971-03-30 1972-03-29

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH464272D CH464272A4 (fr) 1971-03-30 1972-03-29

Country Status (2)

Country Link
CH (2) CH464272A4 (fr)
DE (1) DE2215768C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2461220A1 (fr) 2010-12-02 2012-06-06 Montres Breguet SA Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie
EP2461219A1 (fr) 2010-12-02 2012-06-06 Montres Breguet SA Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280123A1 (fr) * 1974-05-09 1976-02-20 Cetehor Mouvement de montre-bracelet electronique, en particulier pour dame
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 (de) * 2001-12-27 2003-07-17 Hilmar Konrad Tragbare Uhr, insbesondere Armbanduhr

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136281B (de) * 1953-11-18 1962-09-06 Baumgartner Freres Sa Armbandweckuhr
NL251402A (fr) * 1959-05-29

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2461220A1 (fr) 2010-12-02 2012-06-06 Montres Breguet SA Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie
EP2461219A1 (fr) 2010-12-02 2012-06-06 Montres Breguet SA Membrane de rayonnement acoustique pour une boîte à musique ou une montre à sonnerie
US8638644B2 (en) 2010-12-02 2014-01-28 Montres Breguet Sa Acoustic radiating membrane for a music box or striking watch
US8665676B2 (en) 2010-12-02 2014-03-04 Montres Breguet Sa Acoustic radiating membrane for a music box or striking watch

Also Published As

Publication number Publication date
DE2215768A1 (de) 1972-12-14
CH464272A4 (fr) 1976-03-31
DE2215768C2 (de) 1982-08-12

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Legal Events

Date Code Title Description
PL Patent ceased