FR2275839B1 - - Google Patents

Info

Publication number
FR2275839B1
FR2275839B1 FR7517199A FR7517199A FR2275839B1 FR 2275839 B1 FR2275839 B1 FR 2275839B1 FR 7517199 A FR7517199 A FR 7517199A FR 7517199 A FR7517199 A FR 7517199A FR 2275839 B1 FR2275839 B1 FR 2275839B1
Authority
FR
France
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
FR7517199A
Other languages
French (fr)
Other versions
FR2275839A1 (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.)
Thomas Ashworth and Co Ltd
Original Assignee
Thomas Ashworth and Co Ltd
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 Thomas Ashworth and Co Ltd filed Critical Thomas Ashworth and Co Ltd
Publication of FR2275839A1 publication Critical patent/FR2275839A1/fr
Application granted granted Critical
Publication of FR2275839B1 publication Critical patent/FR2275839B1/fr
Granted 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
    • G10K7/04—Sirens in which the sound-producing member is rotated manually or by a motor by an electric motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Braking Arrangements (AREA)
  • Catching Or Destruction (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
FR7517199A 1974-05-28 1975-05-27 Sirene electrique Granted FR2275839A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2349774A GB1520734A (en) 1974-05-28 1974-05-28 Electrically powered sirens

Publications (2)

Publication Number Publication Date
FR2275839A1 FR2275839A1 (fr) 1976-01-16
FR2275839B1 true FR2275839B1 (OSRAM) 1977-12-09

Family

ID=10196581

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517199A Granted FR2275839A1 (fr) 1974-05-28 1975-05-27 Sirene electrique

Country Status (2)

Country Link
FR (1) FR2275839A1 (OSRAM)
GB (1) GB1520734A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606535A1 (fr) * 1986-04-16 1988-05-13 Marques Jean Sirene d'alarme ou de detresse pour campeurs caravaniers
DE3803388A1 (de) * 1988-02-02 1989-08-10 Josef Sieger Heulstab
US8125320B2 (en) 2005-05-10 2012-02-28 Hochiki Corporation Fire alarm system
GB2587199B (en) 2019-09-17 2021-11-03 Caterpillar Global Mining Europe Gmbh Warning device for control module

Also Published As

Publication number Publication date
FR2275839A1 (fr) 1976-01-16
GB1520734A (en) 1978-08-09

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Legal Events

Date Code Title Description
ST Notification of lapse