CH649188GA3 - - Google Patents

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Publication number
CH649188GA3
CH649188GA3 CH450182A CH450182A CH649188GA3 CH 649188G A3 CH649188G A3 CH 649188GA3 CH 450182 A CH450182 A CH 450182A CH 450182 A CH450182 A CH 450182A CH 649188G A3 CH649188G A3 CH 649188GA3
Authority
CH
Switzerland
Prior art keywords
produce
piezoelectric buzzer
casing
chimes
vibrate
Prior art date
Application number
CH450182A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of CH649188GA3 publication Critical patent/CH649188GA3/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
    • B06B1/0284—Driving circuits for generating signals continuous in time for generating multiple frequencies with consecutive, i.e. sequential generation, e.g. with frequency sweep
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
CH450182A 1981-07-23 1982-07-22 CH649188GA3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56115489A JPS5816294A (ja) 1981-07-23 1981-07-23 圧電ブザー付電子機器

Publications (1)

Publication Number Publication Date
CH649188GA3 true CH649188GA3 (de) 1985-05-15

Family

ID=14663778

Family Applications (1)

Application Number Title Priority Date Filing Date
CH450182A CH649188GA3 (de) 1981-07-23 1982-07-22

Country Status (4)

Country Link
US (1) US4526477A (de)
JP (1) JPS5816294A (de)
CH (1) CH649188GA3 (de)
GB (1) GB2104257B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666166A1 (de) * 2004-12-01 2006-06-07 Asulab S.A. Verfahren zur Erzeugung polyfone Signalen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3328907A1 (de) * 1983-08-10 1985-02-28 Siemens AG, 1000 Berlin und 8000 München Anregeschaltung fuer piezoelektrische schallgeber
CH686600B5 (fr) * 1994-07-25 1996-11-15 Asulab Sa Pièce d'horlogerie comportant un transducteur électro-acoustique.
US7079036B2 (en) * 2003-08-20 2006-07-18 Bed-Check Corporation Method and apparatus for alarm volume control using pulse width modulation
JP2006033679A (ja) * 2004-07-21 2006-02-02 Matsushita Electric Ind Co Ltd 圧電素子駆動回路及びこれを用いたリモコン送信機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789336A (fr) * 1971-09-29 1973-01-15 Timex Corp Montre-reveil electronique
GB1366794A (en) * 1971-12-02 1974-09-11 Seiko Instr & Electronics Electronic timepiece
JPS522563A (en) * 1975-06-24 1977-01-10 Seiko Instr & Electronics Ltd Electronic clock with alarm
US4060973A (en) * 1976-04-02 1977-12-06 Dom Martino Automatic variable-sound alarm clock
JPS5361370A (en) * 1976-11-15 1978-06-01 Seiko Instr & Electronics Ltd Alarm electronic watch
JPS53152665U (de) * 1977-05-07 1978-12-01
JPS6026988B2 (ja) * 1977-05-23 1985-06-26 セイコーインスツルメンツ株式会社 アラ−ム付電子時計
JPS5480160A (en) * 1977-12-08 1979-06-26 Seiko Instr & Electronics Ltd Alarm electronic watch
JPS54134074U (de) * 1978-03-10 1979-09-17
JPS54134669A (en) * 1978-04-11 1979-10-19 Citizen Watch Co Ltd Electronic watch
JPS55108495U (de) * 1979-01-23 1980-07-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666166A1 (de) * 2004-12-01 2006-06-07 Asulab S.A. Verfahren zur Erzeugung polyfone Signalen
WO2006058608A1 (en) * 2004-12-01 2006-06-08 Asulab S.A. Polyphonic sound generating method

Also Published As

Publication number Publication date
GB2104257A (en) 1983-03-02
JPH0420195B2 (de) 1992-03-31
JPS5816294A (ja) 1983-01-29
US4526477A (en) 1985-07-02
GB2104257B (en) 1984-10-10

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