FR2173682B3 - - Google Patents

Info

Publication number
FR2173682B3
FR2173682B3 FR7206647A FR7206647A FR2173682B3 FR 2173682 B3 FR2173682 B3 FR 2173682B3 FR 7206647 A FR7206647 A FR 7206647A FR 7206647 A FR7206647 A FR 7206647A FR 2173682 B3 FR2173682 B3 FR 2173682B3
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
FR7206647A
Other languages
French (fr)
Other versions
FR2173682A1 (enrdf_load_stackoverflow
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.)
ROUVET JACQUES FR
Original Assignee
ROUVET JACQUES FR
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 ROUVET JACQUES FR filed Critical ROUVET JACQUES FR
Priority to FR7206647A priority Critical patent/FR2173682B3/fr
Publication of FR2173682A1 publication Critical patent/FR2173682A1/fr
Application granted granted Critical
Publication of FR2173682B3 publication Critical patent/FR2173682B3/fr
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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
FR7206647A 1972-02-22 1972-02-22 Expired FR2173682B3 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7206647A FR2173682B3 (enrdf_load_stackoverflow) 1972-02-22 1972-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7206647A FR2173682B3 (enrdf_load_stackoverflow) 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
FR2173682A1 FR2173682A1 (enrdf_load_stackoverflow) 1973-10-12
FR2173682B3 true FR2173682B3 (enrdf_load_stackoverflow) 1975-02-21

Family

ID=9094222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206647A Expired FR2173682B3 (enrdf_load_stackoverflow) 1972-02-22 1972-02-22

Country Status (1)

Country Link
FR (1) FR2173682B3 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2173682A1 (enrdf_load_stackoverflow) 1973-10-12

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Legal Events

Date Code Title Description
ST Notification of lapse