FR1248318A - Avertisseur - Google Patents

Avertisseur

Info

Publication number
FR1248318A
FR1248318A FR818377A FR818377A FR1248318A FR 1248318 A FR1248318 A FR 1248318A FR 818377 A FR818377 A FR 818377A FR 818377 A FR818377 A FR 818377A FR 1248318 A FR1248318 A FR 1248318A
Authority
FR
France
Prior art keywords
warning
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
FR818377A
Other languages
English (en)
Inventor
Edmund Colliver Pratt
Verneur Edmund Pratt
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
Application granted granted Critical
Publication of FR1248318A publication Critical patent/FR1248318A/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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
    • G10K1/072—Operating or striking mechanisms therefor
    • G10K1/074—Operating or striking mechanisms therefor with rotary clappers or shells
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)
FR818377A 1959-06-09 1960-02-12 Avertisseur Expired FR1248318A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US819163A US2999477A (en) 1959-06-09 1959-06-09 Fire alarm

Publications (1)

Publication Number Publication Date
FR1248318A true FR1248318A (fr) 1960-12-09

Family

ID=25227368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818377A Expired FR1248318A (fr) 1959-06-09 1960-02-12 Avertisseur

Country Status (4)

Country Link
US (1) US2999477A (fr)
BE (1) BE587736A (fr)
FR (1) FR1248318A (fr)
GB (1) GB904173A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148658A (en) * 1962-08-06 1964-09-15 Kaplan Ruth Mechanical sound-producing fire alarm device
US3192890A (en) * 1963-07-30 1965-07-06 Interstate Engineering Corp Fuse for fire alarms
US3570446A (en) * 1968-09-23 1971-03-16 Emdeko Distributing Inc Fire detection alarm means
US3552350A (en) * 1969-07-14 1971-01-05 Emdeko Distributing Inc Visual signal means for a fire detection alarm
US3804054A (en) * 1971-09-07 1974-04-16 Ato Inc Warning device for fire protection system
US5589824A (en) * 1995-11-09 1996-12-31 Lynch Adam Q Multi-sensor detection system
US7097531B2 (en) * 2004-05-21 2006-08-29 Brent Duchon Self powered fire alarm

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US565306A (en) * 1896-08-04 Bell-ringing mechanism
US815111A (en) * 1905-08-25 1906-03-13 Schmidt Charles C Thermostatic alarm.
US1415207A (en) * 1919-01-13 1922-05-09 Fabart Instr Company Automatic alarm
FR526262A (fr) * 1920-10-20 1921-10-06 Louis Massu Appareil avertisseur ou de commande pour la limitation de la température
US2625902A (en) * 1950-07-17 1953-01-20 Harold C Sorensen Fire and burglar alarm
US2871815A (en) * 1957-05-02 1959-02-03 Alan T Krieger Fire detecting device

Also Published As

Publication number Publication date
BE587736A (fr) 1960-06-16
US2999477A (en) 1961-09-12
GB904173A (en) 1962-08-22

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