AT296828B - Process for the production of an acoustic signal device - Google Patents

Process for the production of an acoustic signal device

Info

Publication number
AT296828B
AT296828B AT720069A AT720069A AT296828B AT 296828 B AT296828 B AT 296828B AT 720069 A AT720069 A AT 720069A AT 720069 A AT720069 A AT 720069A AT 296828 B AT296828 B AT 296828B
Authority
AT
Austria
Prior art keywords
production
acoustic signal
signal device
acoustic
signal
Prior art date
Application number
AT720069A
Other languages
German (de)
Original Assignee
Westfaelische Metall Industrie
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 Westfaelische Metall Industrie filed Critical Westfaelische Metall Industrie
Application granted granted Critical
Publication of AT296828B publication Critical patent/AT296828B/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AT720069A 1968-08-02 1969-07-25 Process for the production of an acoustic signal device AT296828B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681766872 DE1766872A1 (en) 1968-08-02 1968-08-02 Method of manufacturing an acoustic signaling device

Publications (1)

Publication Number Publication Date
AT296828B true AT296828B (en) 1972-02-25

Family

ID=5699148

Family Applications (1)

Application Number Title Priority Date Filing Date
AT720069A AT296828B (en) 1968-08-02 1969-07-25 Process for the production of an acoustic signal device

Country Status (3)

Country Link
AT (1) AT296828B (en)
DE (1) DE1766872A1 (en)
FR (1) FR2016855A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214074A1 (en) * 1982-04-16 1983-10-20 Marukokeihouki Co. Ltd., Nagano Electrical horn
FR2525372B1 (en) * 1982-04-19 1987-04-17 Maruko Keihoki Kk ELECTRIC SOUND ALARM

Also Published As

Publication number Publication date
DE1766872A1 (en) 1971-09-16
FR2016855A1 (en) 1970-05-15

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Legal Events

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