NL7406812A - - Google Patents

Info

Publication number
NL7406812A
NL7406812A NL7406812A NL7406812A NL7406812A NL 7406812 A NL7406812 A NL 7406812A NL 7406812 A NL7406812 A NL 7406812A NL 7406812 A NL7406812 A NL 7406812A NL 7406812 A NL7406812 A NL 7406812A
Authority
NL
Netherlands
Application number
NL7406812A
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
Publication of NL7406812A publication Critical patent/NL7406812A/xx

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
NL7406812A 1973-05-22 1974-05-21 NL7406812A (xx)

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 (1)

Publication Number Publication Date
NL7406812A true NL7406812A (xx) 1974-11-26

Family

ID=11213350

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7406812A NL7406812A (xx) 1973-05-22 1974-05-21

Country Status (10)

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

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
CA1032250A (en) 1978-05-30
ES426486A1 (es) 1976-07-01
GB1460506A (en) 1977-01-06
FR2230997A1 (xx) 1974-12-20
US3892999A (en) 1975-07-01
CH572596A5 (xx) 1976-02-13
BE815326A (fr) 1974-09-16
IT987855B (it) 1975-03-20
FR2230997B1 (xx) 1977-09-30
DE2424524C2 (de) 1985-04-11
DE2424524A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: SIE FORNEY S.P.A.

BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed