FR1237973A - Improvements to sound alarms - Google Patents

Improvements to sound alarms

Info

Publication number
FR1237973A
FR1237973A FR802818A FR802818A FR1237973A FR 1237973 A FR1237973 A FR 1237973A FR 802818 A FR802818 A FR 802818A FR 802818 A FR802818 A FR 802818A FR 1237973 A FR1237973 A FR 1237973A
Authority
FR
France
Prior art keywords
sound alarms
alarms
sound
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.)
Expired
Application number
FR802818A
Other languages
French (fr)
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.)
SANOR
Original Assignee
SANOR
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 SANOR filed Critical SANOR
Priority to FR802818A priority Critical patent/FR1237973A/en
Application granted granted Critical
Publication of FR1237973A publication Critical patent/FR1237973A/en
Expired legal-status Critical Current

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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR802818A 1959-08-14 1959-08-14 Improvements to sound alarms Expired FR1237973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR802818A FR1237973A (en) 1959-08-14 1959-08-14 Improvements to sound alarms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802818A FR1237973A (en) 1959-08-14 1959-08-14 Improvements to sound alarms

Publications (1)

Publication Number Publication Date
FR1237973A true FR1237973A (en) 1960-08-05

Family

ID=8718305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802818A Expired FR1237973A (en) 1959-08-14 1959-08-14 Improvements to sound alarms

Country Status (1)

Country Link
FR (1) FR1237973A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011920A2 (en) * 1978-11-01 1980-06-11 LUCAS INDUSTRIES public limited company Electrical connection, method of making it, and electrical horn comprising such a connection
FR2448208A1 (en) * 1979-02-02 1980-08-29 Klaxon Sa METHOD FOR MANUFACTURING A BUFFER OF AUDIO

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011920A2 (en) * 1978-11-01 1980-06-11 LUCAS INDUSTRIES public limited company Electrical connection, method of making it, and electrical horn comprising such a connection
EP0011920A3 (en) * 1978-11-01 1980-08-20 Lucas Industries Plc Electrical connection, method of making it, and electrical horn comprising such a connection; electrical coil assembly and electrical horn comprising such a coil assembly
FR2448208A1 (en) * 1979-02-02 1980-08-29 Klaxon Sa METHOD FOR MANUFACTURING A BUFFER OF AUDIO

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