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NL1375C - Improvement to sirens - Google Patents

Improvement to sirens

Info

Publication number
NL1375C
NL1375C NL3621A NL3621A NL1375C NL 1375 C NL1375 C NL 1375C NL 3621 A NL3621 A NL 3621A NL 3621 A NL3621 A NL 3621A NL 1375 C NL1375 C NL 1375C
Authority
NL
Netherlands
Prior art keywords
sirens
improvement
Prior art date
Application number
NL3621A
Other languages
Dutch (nl)
Original Assignee
Societe Anonyme Des Etablossements L Bleriot
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 Societe Anonyme Des Etablossements L Bleriot filed Critical Societe Anonyme Des Etablossements L Bleriot
Application granted granted Critical
Publication of NL1375C publication Critical patent/NL1375C/en

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL3621A 1912-12-06 1913-11-13 Improvement to sirens NL1375C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1375X 1912-12-06

Publications (1)

Publication Number Publication Date
NL1375C true NL1375C (en) 1916-07-01

Family

ID=89119802

Family Applications (1)

Application Number Title Priority Date Filing Date
NL3621A NL1375C (en) 1912-12-06 1913-11-13 Improvement to sirens

Country Status (2)

Country Link
GB (1) GB191327773A (en)
NL (1) NL1375C (en)

Also Published As

Publication number Publication date
GB191327773A (en) 1914-02-26

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