IT1099168B - BUZZER TO BE OPERATED WITH ALTERNATE VOLTAGE - Google Patents

BUZZER TO BE OPERATED WITH ALTERNATE VOLTAGE

Info

Publication number
IT1099168B
IT1099168B IT28034/78A IT2803478A IT1099168B IT 1099168 B IT1099168 B IT 1099168B IT 28034/78 A IT28034/78 A IT 28034/78A IT 2803478 A IT2803478 A IT 2803478A IT 1099168 B IT1099168 B IT 1099168B
Authority
IT
Italy
Prior art keywords
buzzer
operated
alternate voltage
alternate
voltage
Prior art date
Application number
IT28034/78A
Other languages
Italian (it)
Other versions
IT7828034A0 (en
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7828034A0 publication Critical patent/IT7828034A0/en
Application granted granted Critical
Publication of IT1099168B publication Critical patent/IT1099168B/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/005—Circuits arrangements for indicating a predetermined temperature
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Irons (AREA)
  • Breakers (AREA)
IT28034/78A 1977-09-27 1978-09-25 BUZZER TO BE OPERATED WITH ALTERNATE VOLTAGE IT1099168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772743454 DE2743454A1 (en) 1977-09-27 1977-09-27 ALTERNATING VOLTAGE BUZZER

Publications (2)

Publication Number Publication Date
IT7828034A0 IT7828034A0 (en) 1978-09-25
IT1099168B true IT1099168B (en) 1985-09-18

Family

ID=6020025

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28034/78A IT1099168B (en) 1977-09-27 1978-09-25 BUZZER TO BE OPERATED WITH ALTERNATE VOLTAGE

Country Status (3)

Country Link
DE (1) DE2743454A1 (en)
FR (1) FR2404273A1 (en)
IT (1) IT1099168B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3212095C2 (en) * 1982-04-01 1984-09-27 Brunnquell GmbH Fabrik elektrotechnischer Apparate, 8070 Ingolstadt Electromechanical overload indicator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749485A (en) * 1950-09-28 1956-06-05 Hartford Nat Bank & Trust Co Alternating-current relay
US3436759A (en) * 1967-05-23 1969-04-01 Mallory & Co Inc P R Variable sound level buzzer having resistance controlled winding
DE2743403C2 (en) * 1977-09-27 1982-09-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Electric heater with acoustic signal device that the heating process has ended

Also Published As

Publication number Publication date
IT7828034A0 (en) 1978-09-25
DE2743454A1 (en) 1979-04-05
FR2404273A1 (en) 1979-04-20

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