FR2324185A1 - Dispositif d'avertisseur sonore - Google Patents

Dispositif d'avertisseur sonore

Info

Publication number
FR2324185A1
FR2324185A1 FR7528082A FR7528082A FR2324185A1 FR 2324185 A1 FR2324185 A1 FR 2324185A1 FR 7528082 A FR7528082 A FR 7528082A FR 7528082 A FR7528082 A FR 7528082A FR 2324185 A1 FR2324185 A1 FR 2324185A1
Authority
FR
France
Prior art keywords
loudspeaker
housing
compression chamber
burglar alarm
inoperative
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7528082A
Other languages
English (en)
French (fr)
Other versions
FR2324185B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fichet Bauche SA
Original Assignee
Fichet Bauche SA
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 Fichet Bauche SA filed Critical Fichet Bauche SA
Priority to FR7528082A priority Critical patent/FR2324185A1/fr
Publication of FR2324185A1 publication Critical patent/FR2324185A1/fr
Application granted granted Critical
Publication of FR2324185B1 publication Critical patent/FR2324185B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • 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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR7528082A 1975-09-12 1975-09-12 Dispositif d'avertisseur sonore Granted FR2324185A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7528082A FR2324185A1 (fr) 1975-09-12 1975-09-12 Dispositif d'avertisseur sonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7528082A FR2324185A1 (fr) 1975-09-12 1975-09-12 Dispositif d'avertisseur sonore

Publications (2)

Publication Number Publication Date
FR2324185A1 true FR2324185A1 (fr) 1977-04-08
FR2324185B1 FR2324185B1 (enrdf_load_stackoverflow) 1981-01-09

Family

ID=9159938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7528082A Granted FR2324185A1 (fr) 1975-09-12 1975-09-12 Dispositif d'avertisseur sonore

Country Status (1)

Country Link
FR (1) FR2324185A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2324185B1 (enrdf_load_stackoverflow) 1981-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse