FR1451123A - Signaling process and hydraulic siren with pulsed signals - Google Patents

Signaling process and hydraulic siren with pulsed signals

Info

Publication number
FR1451123A
FR1451123A FR36239A FR36239A FR1451123A FR 1451123 A FR1451123 A FR 1451123A FR 36239 A FR36239 A FR 36239A FR 36239 A FR36239 A FR 36239A FR 1451123 A FR1451123 A FR 1451123A
Authority
FR
France
Prior art keywords
siren
hydraulic
signaling process
pulsed signals
pulsed
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
FR36239A
Other languages
French (fr)
Inventor
Pierre A Bricout
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 filed Critical
Priority to FR36239A priority Critical patent/FR1451123A/en
Application granted granted Critical
Publication of FR1451123A publication Critical patent/FR1451123A/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
    • G10K7/00—Sirens
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR36239A 1965-10-26 1965-10-26 Signaling process and hydraulic siren with pulsed signals Expired FR1451123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR36239A FR1451123A (en) 1965-10-26 1965-10-26 Signaling process and hydraulic siren with pulsed signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR36239A FR1451123A (en) 1965-10-26 1965-10-26 Signaling process and hydraulic siren with pulsed signals

Publications (1)

Publication Number Publication Date
FR1451123A true FR1451123A (en) 1966-06-24

Family

ID=8591224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36239A Expired FR1451123A (en) 1965-10-26 1965-10-26 Signaling process and hydraulic siren with pulsed signals

Country Status (1)

Country Link
FR (1) FR1451123A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001328A1 (en) * 1980-10-13 1982-04-29 Fransman Per B Positively controlled sound generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001328A1 (en) * 1980-10-13 1982-04-29 Fransman Per B Positively controlled sound generator

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