FR414218A - Automatic brake system for sirens of cars or motor boats - Google Patents

Automatic brake system for sirens of cars or motor boats

Info

Publication number
FR414218A
FR414218A FR414218DA FR414218A FR 414218 A FR414218 A FR 414218A FR 414218D A FR414218D A FR 414218DA FR 414218 A FR414218 A FR 414218A
Authority
FR
France
Prior art keywords
sirens
cars
brake system
automatic brake
motor boats
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)
Inventor
Lucien Julie
Henri D'avenas
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.)
HENRI D AVENAS
LUCIEN JULIE
Original Assignee
HENRI D AVENAS
LUCIEN JULIE
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 HENRI D AVENAS, LUCIEN JULIE filed Critical HENRI D AVENAS
Application granted granted Critical
Publication of FR414218A publication Critical patent/FR414218A/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)
FR414218D 1910-03-29 1910-03-29 Automatic brake system for sirens of cars or motor boats Expired FR414218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR414218T 1910-03-29

Publications (1)

Publication Number Publication Date
FR414218A true FR414218A (en) 1910-08-29

Family

ID=1457942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR414218D Expired FR414218A (en) 1910-03-29 1910-03-29 Automatic brake system for sirens of cars or motor boats

Country Status (1)

Country Link
FR (1) FR414218A (en)

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