IT1040697B - Rivelatore di fumo e sistema circuitale di allarme - Google Patents

Rivelatore di fumo e sistema circuitale di allarme

Info

Publication number
IT1040697B
IT1040697B IT50193/75A IT5019375A IT1040697B IT 1040697 B IT1040697 B IT 1040697B IT 50193/75 A IT50193/75 A IT 50193/75A IT 5019375 A IT5019375 A IT 5019375A IT 1040697 B IT1040697 B IT 1040697B
Authority
IT
Italy
Prior art keywords
circuit system
smoke detector
alarm circuit
alarm
smoke
Prior art date
Application number
IT50193/75A
Other languages
English (en)
Original Assignee
Jeffrey Lamont Franks
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 Jeffrey Lamont Franks filed Critical Jeffrey Lamont Franks
Application granted granted Critical
Publication of IT1040697B publication Critical patent/IT1040697B/it

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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT50193/75A 1974-06-24 1975-06-24 Rivelatore di fumo e sistema circuitale di allarme IT1040697B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48243574A 1974-06-24 1974-06-24
US05/578,612 US4001800A (en) 1974-06-24 1975-05-19 Smoke detecting device

Publications (1)

Publication Number Publication Date
IT1040697B true IT1040697B (it) 1979-12-20

Family

ID=27047281

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50193/75A IT1040697B (it) 1974-06-24 1975-06-24 Rivelatore di fumo e sistema circuitale di allarme

Country Status (6)

Country Link
US (1) US4001800A (it)
JP (1) JPS5118496A (it)
DE (1) DE2528312A1 (it)
FR (1) FR2276068A1 (it)
GB (1) GB1475952A (it)
IT (1) IT1040697B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
JPS56118007A (en) * 1980-02-23 1981-09-16 Shizuokaken Algicide
US4677426A (en) * 1983-01-28 1987-06-30 Electronic Dust Detection, Inc. Dust detecting ring assembly
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US7616126B2 (en) * 2006-07-18 2009-11-10 Gentex Corporation Optical particle detectors
CN106597952A (zh) * 2016-12-27 2017-04-26 东莞市狮王安防科技有限公司 通讯基站主动式催泪控制器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832946A (en) * 1956-02-14 1958-04-29 Honeywell Regulator Co Control apparatus
US3297913A (en) * 1963-12-13 1967-01-10 Jr Edmund O Schweitzer High voltage circuit breaker control system employing wave transmission modulated by current flow in circuit with time delay for operating circuit breaker
US3409885A (en) * 1964-03-26 1968-11-05 Guardian Industries Smoke detection apparatus
CH417405A (de) * 1964-07-14 1966-07-15 Cerberus Ag Werk Fuer Elektron Vorrichtung zur Feststellung von Aerosolen in Luft
US3460124A (en) * 1966-06-06 1969-08-05 Interstate Eng Corp Smoke detector
US3534351A (en) * 1967-04-07 1970-10-13 Gen Electric Light coupled battery powered remote control apparatus
US3594751A (en) * 1968-02-29 1971-07-20 Brk Electronics Detection of products of combustion
US3713128A (en) * 1970-08-07 1973-01-23 Systron Donner Corp Vault alarm system and method
US3728706A (en) * 1970-09-28 1973-04-17 Gen Signal Corp System for indicating aerosols in the atmosphere
CH566059A5 (it) * 1972-03-07 1975-08-29 Protecbat La Detection Electro
US3774186A (en) * 1972-03-15 1973-11-20 El Sig Lab Inc Smoke detector failure alarm

Also Published As

Publication number Publication date
JPS5118496A (it) 1976-02-14
FR2276068A1 (fr) 1976-01-23
US4001800A (en) 1977-01-04
DE2528312A1 (de) 1976-01-15
GB1475952A (en) 1977-06-10

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