CH516839A - Tongenerator für Weckeruhren - Google Patents

Tongenerator für Weckeruhren

Info

Publication number
CH516839A
CH516839A CH948269A CH948269A CH516839A CH 516839 A CH516839 A CH 516839A CH 948269 A CH948269 A CH 948269A CH 948269 A CH948269 A CH 948269A CH 516839 A CH516839 A CH 516839A
Authority
CH
Switzerland
Prior art keywords
tone generator
alarm clocks
clocks
alarm
tone
Prior art date
Application number
CH948269A
Other languages
English (en)
Inventor
Kunz Georg
Original Assignee
Junghans Gmbh Geb
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 Junghans Gmbh Geb filed Critical Junghans Gmbh Geb
Publication of CH516839A publication Critical patent/CH516839A/de

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional 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
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromechanical Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
CH948269A 1968-07-10 1969-06-20 Tongenerator für Weckeruhren CH516839A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1773812 1968-07-10

Publications (1)

Publication Number Publication Date
CH516839A true CH516839A (de) 1971-07-30

Family

ID=5701876

Family Applications (2)

Application Number Title Priority Date Filing Date
CH948269D CH948269A4 (de) 1968-07-10 1969-06-20
CH948269A CH516839A (de) 1968-07-10 1969-06-20 Tongenerator für Weckeruhren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH948269D CH948269A4 (de) 1968-07-10 1969-06-20

Country Status (3)

Country Link
US (1) US3577725A (de)
CH (2) CH948269A4 (de)
FR (1) FR2012660A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2207690C3 (de) * 1972-02-18 1980-01-31 Fa. Mueller-Schlenker, 7220 Schwenningen Batteriebetriebener Kleinwecker
FR2224798B3 (de) * 1973-04-03 1977-01-21 Kienzle Uhrenfabriken Gmbh
US3950744A (en) * 1974-06-14 1976-04-13 Projects Unlimited, Inc. Modular buzzer with diaphragm molded into housing
JPS5167761U (de) * 1974-11-25 1976-05-28
DE2817762A1 (de) * 1978-04-22 1979-10-31 Kieninger & Obergfell Uhr mit glasenschlag

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE26817E (en) * 1967-12-06 1970-03-10 Patrick transistor alarm clock

Also Published As

Publication number Publication date
US3577725A (en) 1971-05-04
FR2012660A1 (de) 1970-03-20
CH948269A4 (de) 1971-07-30

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Legal Events

Date Code Title Description
PL Patent ceased