AT311431B - Elektromagnetischer Schallerzeuger, insbesondere Wecker für Fernsprechgeräte - Google Patents

Elektromagnetischer Schallerzeuger, insbesondere Wecker für Fernsprechgeräte

Info

Publication number
AT311431B
AT311431B AT806771A AT806771A AT311431B AT 311431 B AT311431 B AT 311431B AT 806771 A AT806771 A AT 806771A AT 806771 A AT806771 A AT 806771A AT 311431 B AT311431 B AT 311431B
Authority
AT
Austria
Prior art keywords
telephones
sound generators
alarm clocks
electromagnetic sound
particular alarm
Prior art date
Application number
AT806771A
Other languages
English (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
Priority to DE19722243846 priority Critical patent/DE2243846C3/de
Application granted granted Critical
Publication of AT311431B publication Critical patent/AT311431B/de

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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064—Operating or striking mechanisms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electromagnets (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AT806771A 1970-09-25 1971-09-16 Elektromagnetischer Schallerzeuger, insbesondere Wecker für Fernsprechgeräte AT311431B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19722243846 DE2243846C3 (de) 1971-09-16 1972-09-07 Belüftungsanordnung für U-Bahnen sowie Verfahren zum Betreiben der Belüftungsanordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702047304 DE2047304B2 (de) 1970-09-25 1970-09-25 Elektromagnetischer schallerzeuger

Publications (1)

Publication Number Publication Date
AT311431B true AT311431B (de) 1973-11-12

Family

ID=5783416

Family Applications (1)

Application Number Title Priority Date Filing Date
AT806771A AT311431B (de) 1970-09-25 1971-09-16 Elektromagnetischer Schallerzeuger, insbesondere Wecker für Fernsprechgeräte

Country Status (12)

Country Link
AT (1) AT311431B (de)
BE (1) BE773028A (de)
CH (1) CH536588A (de)
DE (1) DE2047304B2 (de)
FI (1) FI56760C (de)
FR (1) FR2108324A5 (de)
GB (1) GB1321413A (de)
IT (1) IT938794B (de)
LU (1) LU63947A1 (de)
NL (1) NL7112904A (de)
SE (1) SE368468B (de)
ZA (1) ZA716203B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114285246A (zh) * 2021-12-16 2022-04-05 金陵科技学院 一种往复直线运动发电机用异形铁心

Also Published As

Publication number Publication date
FI56760C (fi) 1980-03-10
DE2047304B2 (de) 1972-11-30
GB1321413A (en) 1973-06-27
IT938794B (it) 1973-02-10
FR2108324A5 (de) 1972-05-19
DE2047304A1 (de) 1972-03-30
CH536588A (de) 1973-04-30
LU63947A1 (de) 1972-03-01
ZA716203B (en) 1972-05-31
FI56760B (fi) 1979-11-30
BE773028A (fr) 1972-03-24
NL7112904A (de) 1972-03-28
SE368468B (de) 1974-07-01

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee