NL6901997A - - Google Patents

Info

Publication number
NL6901997A
NL6901997A NL6901997A NL6901997A NL6901997A NL 6901997 A NL6901997 A NL 6901997A NL 6901997 A NL6901997 A NL 6901997A NL 6901997 A NL6901997 A NL 6901997A NL 6901997 A NL6901997 A NL 6901997A
Authority
NL
Netherlands
Application number
NL6901997A
Other versions
NL164981B (nl
NL164981C (nl
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 NL6901997A publication Critical patent/NL6901997A/xx
Publication of NL164981B publication Critical patent/NL164981B/xx
Application granted granted Critical
Publication of NL164981C publication Critical patent/NL164981C/xx

Links

Classifications

    • 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
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
NL6901997.A 1968-02-15 1969-02-07 Inrichting voor het detecteren en bewaken van een straling. NL164981C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR139945 1968-02-15

Publications (3)

Publication Number Publication Date
NL6901997A true NL6901997A (enrdf_load_html_response) 1969-08-19
NL164981B NL164981B (nl) 1980-09-15
NL164981C NL164981C (nl) 1981-02-16

Family

ID=8646019

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6901997.A NL164981C (nl) 1968-02-15 1969-02-07 Inrichting voor het detecteren en bewaken van een straling.

Country Status (11)

Country Link
US (1) US3621262A (enrdf_load_html_response)
AT (1) AT293920B (enrdf_load_html_response)
BE (1) BE727699A (enrdf_load_html_response)
CA (1) CA929251A (enrdf_load_html_response)
CH (1) CH486746A (enrdf_load_html_response)
DE (1) DE1906075C3 (enrdf_load_html_response)
ES (1) ES363669A1 (enrdf_load_html_response)
FR (1) FR1565498A (enrdf_load_html_response)
GB (1) GB1255221A (enrdf_load_html_response)
NL (1) NL164981C (enrdf_load_html_response)
SE (1) SE344254B (enrdf_load_html_response)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1353615A (en) * 1970-08-11 1974-05-22 Prucill P M Fire detection systems
JPS5136119B1 (enrdf_load_html_response) * 1971-04-15 1976-10-06
JPS5512635B2 (enrdf_load_html_response) * 1972-07-26 1980-04-03
US3775762A (en) * 1972-09-15 1973-11-27 Us Air Force Gas multiplication ultraviolet detector system for fire detection
FR2257118B1 (enrdf_load_html_response) * 1974-01-04 1976-11-26 Commissariat Energie Atomique
JPS5231699A (en) * 1975-07-25 1977-03-10 Hochiki Corp Fire senser
DE2614487C2 (de) * 1976-04-03 1983-06-23 Total Feuerschutz GmbH, 6802 Ladenburg Schaltungsanordnung zum Auswerten einer Zufallsimpulsfolge von einem strahlungsempfindlichen Gasentladungsdetektor
JPS52153759A (en) * 1976-06-17 1977-12-21 Hochiki Co Storage type detector
US4162425A (en) * 1977-06-30 1979-07-24 Detector Electronics Corporation Ultraviolet detection tube quenching circuitry
JPH0648293B2 (ja) * 1983-03-18 1994-06-22 和芙 橋本 放射能等の自動測定警報装置
US4521120A (en) * 1983-09-15 1985-06-04 The United States Of America As Represented By The Secretary Of Agriculture Forest fire rate of spread with timers method
GB2199656B (en) * 1987-01-07 1990-10-17 Graviner Ltd Detection of electromagnetic radiation
DE3706986A1 (de) * 1987-03-04 1988-09-15 Preussag Ag Feuerschutz Verfahren zur auswertung des uv-anteils im flammenspektrum durch einen elektronischen flammenmelder
US6600425B1 (en) * 2002-03-19 2003-07-29 Elite Access Systems, Inc. Method and apparatus for detecting and recording episodic overloads in a circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175165A (en) * 1962-06-29 1965-03-23 Edward S Dayhoff Light controlled variable frequency pulse generator
US3393319A (en) * 1965-09-30 1968-07-16 Bausch & Lomb Photoelectric circuit for counting light pulses above a minimium value

Also Published As

Publication number Publication date
NL164981B (nl) 1980-09-15
AT293920B (de) 1971-10-25
NL164981C (nl) 1981-02-16
ES363669A1 (es) 1971-01-01
FR1565498A (enrdf_load_html_response) 1969-05-02
DE1906075B2 (de) 1973-07-26
GB1255221A (en) 1971-12-01
US3621262A (en) 1971-11-16
BE727699A (enrdf_load_html_response) 1969-07-01
CA929251A (en) 1973-06-26
DE1906075C3 (de) 1974-02-21
CH486746A (fr) 1970-02-28
DE1906075A1 (de) 1969-09-04
SE344254B (enrdf_load_html_response) 1972-04-04

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee