FR2230997B1 - - Google Patents

Info

Publication number
FR2230997B1
FR2230997B1 FR7417769A FR7417769A FR2230997B1 FR 2230997 B1 FR2230997 B1 FR 2230997B1 FR 7417769 A FR7417769 A FR 7417769A FR 7417769 A FR7417769 A FR 7417769A FR 2230997 B1 FR2230997 B1 FR 2230997B1
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
FR7417769A
Other versions
FR2230997A1 (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.)
SIE SOC IT ELETTRONICA
Original Assignee
SIE SOC IT ELETTRONICA
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 SIE SOC IT ELETTRONICA filed Critical SIE SOC IT ELETTRONICA
Publication of FR2230997A1 publication Critical patent/FR2230997A1/fr
Application granted granted Critical
Publication of FR2230997B1 publication Critical patent/FR2230997B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/12—Provision for actuation of an alarm
    • G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR7417769A 1973-05-22 1974-05-16 Expired FR2230997B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24390/73A IT987855B (it) 1973-05-22 1973-05-22 Dispositivo elettronico rivela tore di fiamma

Publications (2)

Publication Number Publication Date
FR2230997A1 FR2230997A1 (fr) 1974-12-20
FR2230997B1 true FR2230997B1 (fr) 1977-09-30

Family

ID=11213350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417769A Expired FR2230997B1 (fr) 1973-05-22 1974-05-16

Country Status (10)

Country Link
US (1) US3892999A (fr)
BE (1) BE815326A (fr)
CA (1) CA1032250A (fr)
CH (1) CH572596A5 (fr)
DE (1) DE2424524C2 (fr)
ES (1) ES426486A1 (fr)
FR (1) FR2230997B1 (fr)
GB (1) GB1460506A (fr)
IT (1) IT987855B (fr)
NL (1) NL7406812A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9417124B1 (en) * 2015-05-13 2016-08-16 Honeywell International Inc. Utilizing a quench time to deionize an ultraviolet (UV) sensor tube
CN114704934B (zh) * 2022-02-18 2024-02-20 青岛海尔空调器有限总公司 用于控制直流空调器的方法及装置、直流空调器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892971A (en) * 1954-07-12 1959-06-30 Electronics Corp America Radiation-responsive control circuits
US2810097A (en) * 1955-01-21 1957-10-15 Rabinow Jacob Optimum sensitivity automatic biasing circuit
FR1202303A (fr) * 1957-03-14 1960-01-08 Honeywell Regulator Co Appareil électrique de détection de flamme ou de fumée
US3206650A (en) * 1962-06-18 1965-09-14 Mallory & Co Inc P R Interval timer
DE1256828B (de) * 1964-07-17 1967-12-21 Philips Patentverwaltung Betriebsueberwachungsschaltung fuer Gas- oder OElfeuerungsanlagen
US3416041A (en) * 1965-09-02 1968-12-10 Electronics Corp America Flame sensor quench circuits for combustion control systems
US3493753A (en) * 1967-08-11 1970-02-03 Melpar Inc Ultraviolet detection system using uv detector tube with d-c biased nonsymmetrical electrode configuration

Also Published As

Publication number Publication date
DE2424524A1 (de) 1974-12-12
NL7406812A (fr) 1974-11-26
GB1460506A (en) 1977-01-06
CH572596A5 (fr) 1976-02-13
FR2230997A1 (fr) 1974-12-20
DE2424524C2 (de) 1985-04-11
IT987855B (it) 1975-03-20
CA1032250A (fr) 1978-05-30
US3892999A (en) 1975-07-01
ES426486A1 (es) 1976-07-01
BE815326A (fr) 1974-09-16

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name