FR809083A - Improvements to audible warning devices - Google Patents

Improvements to audible warning devices

Info

Publication number
FR809083A
FR809083A FR809083DA FR809083A FR 809083 A FR809083 A FR 809083A FR 809083D A FR809083D A FR 809083DA FR 809083 A FR809083 A FR 809083A
Authority
FR
France
Prior art keywords
audible warning
warning devices
audible
devices
warning
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
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.)
Klaxon SA
Original Assignee
Klaxon 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 Klaxon SA filed Critical Klaxon SA
Application granted granted Critical
Publication of FR809083A publication Critical patent/FR809083A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/06—Audible signalling systems; Audible personal calling systems using hydraulic transmission; using pneumatic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR809083D 1935-11-15 1935-11-15 Improvements to audible warning devices Expired FR809083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809083T 1935-11-15

Publications (1)

Publication Number Publication Date
FR809083A true FR809083A (en) 1937-02-23

Family

ID=9253350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809083D Expired FR809083A (en) 1935-11-15 1935-11-15 Improvements to audible warning devices

Country Status (1)

Country Link
FR (1) FR809083A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521148A (en) * 1945-12-29 1950-09-05 Roy D Buell Signal horn
DE3531467A1 (en) * 1985-09-03 1987-03-12 Hoermann Gmbh Electronic sounder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521148A (en) * 1945-12-29 1950-09-05 Roy D Buell Signal horn
DE3531467A1 (en) * 1985-09-03 1987-03-12 Hoermann Gmbh Electronic sounder

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