BE788001A - SMOKE SENSITIVE CIRCUIT, WITH BACKUP BATTERY - Google Patents

SMOKE SENSITIVE CIRCUIT, WITH BACKUP BATTERY

Info

Publication number
BE788001A
BE788001A BE788001DA BE788001A BE 788001 A BE788001 A BE 788001A BE 788001D A BE788001D A BE 788001DA BE 788001 A BE788001 A BE 788001A
Authority
BE
Belgium
Prior art keywords
backup battery
sensitive circuit
smoke sensitive
smoke
circuit
Prior art date
Application number
Other languages
French (fr)
Inventor
L A Caillouet
Original Assignee
T J Connelly Construction Cy I
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.)
Publication date
Publication of BE788001A publication Critical patent/BE788001A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
BE788001D 1971-11-01 SMOKE SENSITIVE CIRCUIT, WITH BACKUP BATTERY BE788001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19467971A 1971-11-01 1971-11-01

Publications (1)

Publication Number Publication Date
BE788001A true BE788001A (en) 1973-02-26

Family

ID=22718503

Family Applications (1)

Application Number Title Priority Date Filing Date
BE788001D BE788001A (en) 1971-11-01 SMOKE SENSITIVE CIRCUIT, WITH BACKUP BATTERY

Country Status (2)

Country Link
US (1) US3750123A (en)
BE (1) BE788001A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887908A (en) * 1973-05-07 1975-06-03 Environmental Metrology Corp Toxic gas indicator
US3860919A (en) * 1973-12-26 1975-01-14 Funck Donald E Smoke and gas detection and alarm apparatus
US3879717A (en) * 1974-06-19 1975-04-22 K F Ind Inc Portable methane monitor and alarm system
US4007456A (en) * 1975-12-01 1977-02-08 Craftor Inc. Gas detecting and warning system
US4088986A (en) * 1976-10-01 1978-05-09 Boucher Charles E Smoke, fire and gas alarm with remote sensing, back-up emergency power, and system self monitoring
JPS544608U (en) * 1977-06-10 1979-01-12
US4155081A (en) * 1977-10-25 1979-05-15 Honeywell Inc. Rechargeable battery backup power source for an ionization smoke detector device
IT1167878B (en) * 1981-05-05 1987-05-20 Franco Maria Conte FLAMMABLE GAS DETECTOR
JPS6057231U (en) * 1983-09-27 1985-04-22 オムロン株式会社 Power off delay timer
US5517182A (en) * 1994-09-20 1996-05-14 Figaro Engineering Inc. Method for CO detection and its apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895125A (en) * 1954-12-09 1959-07-14 Patrick F Henry Electrical alarm system
US2771598A (en) * 1955-06-16 1956-11-20 Simplex Ind Products Inc Alarm system
US3479257A (en) * 1966-11-25 1969-11-18 Gen Electric Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere
US3609732A (en) * 1969-05-28 1971-09-28 New Cosmos Electric Co Gas responsive switching device

Also Published As

Publication number Publication date
US3750123A (en) 1973-07-31

Similar Documents

Publication Publication Date Title
CH516875A (en) battery
BE746333A (en) BATTERY CONSTRUCTION
SE7504173L (en) BATTERY CHARGE REGULATOR WITH TEMPERATURE DIFFERENT CIRCUIT.
SE441635B (en) ALKALISK PRIMER BATTERY
IT1084496B (en) BATTERY GROUPS.
NO142977C (en) BATTERY.
BE781171A (en) BATTERY CHARGER
NL7603269A (en) ACCUMULATOR BATTERY.
NL160121C (en) GALVANIC BATTERY.
BE788001A (en) SMOKE SENSITIVE CIRCUIT, WITH BACKUP BATTERY
NO148656C (en) Storage battery.
NL7608762A (en) BATTERY CHARGING DEVICE.
SE415064B (en) BATTERY CIRCUIT
NL175959C (en) BATTERY CHARGER.
BR7209013D0 (en) GALVANIC BATTERY
BR7205930D0 (en) SPORTS BATTERY WITH GAS
NL7612556A (en) ACCUMULATOR AND BATTERY.
NL190033C (en) CHARGING CIRCUIT.
NL7606085A (en) BATTERY SYSTEM.
NL7602114A (en) MAINTENANCE-FREE LEAD ACCUMULATOR.
NL7410387A (en) ALKALINE BATTERY.
NL7800926A (en) MAINTENANCE-FREE BATTERY BATTERY.
CH559933A (en) BATTERY-POWERED ALARM CLOCK.
AT303146B (en) Chemoelectric battery
DK135437B (en) Accumulator with alkaline electrolyte.