ES363669A1 - Perfeccionamientos en instalaciones de vigilancia de radia-ciones. - Google Patents

Perfeccionamientos en instalaciones de vigilancia de radia-ciones.

Info

Publication number
ES363669A1
ES363669A1 ES363669A ES363669A ES363669A1 ES 363669 A1 ES363669 A1 ES 363669A1 ES 363669 A ES363669 A ES 363669A ES 363669 A ES363669 A ES 363669A ES 363669 A1 ES363669 A1 ES 363669A1
Authority
ES
Spain
Prior art keywords
alarm
counter
generator
gas discharge
thyristor
Prior art date
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
ES363669A
Other languages
English (en)
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.)
La Detection Electronique Francaise
Original Assignee
La Detection Electronique Francaise
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 La Detection Electronique Francaise filed Critical La Detection Electronique Francaise
Publication of ES363669A1 publication Critical patent/ES363669A1/es
Expired legal-status Critical Current

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)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
ES363669A 1968-02-15 1969-02-14 Perfeccionamientos en instalaciones de vigilancia de radia-ciones. Expired ES363669A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES363669A1 true ES363669A1 (es) 1971-01-01

Family

ID=8646019

Family Applications (1)

Application Number Title Priority Date Filing Date
ES363669A Expired ES363669A1 (es) 1968-02-15 1969-02-14 Perfeccionamientos en instalaciones de vigilancia de radia-ciones.

Country Status (11)

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

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 (es) * 1971-04-15 1976-10-06
JPS5512635B2 (es) * 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 (es) * 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
DE1906075A1 (de) 1969-09-04
NL164981C (nl) 1981-02-16
FR1565498A (es) 1969-05-02
DE1906075B2 (de) 1973-07-26
GB1255221A (en) 1971-12-01
CA929251A (en) 1973-06-26
AT293920B (de) 1971-10-25
NL6901997A (es) 1969-08-19
BE727699A (es) 1969-07-01
SE344254B (es) 1972-04-04
NL164981B (nl) 1980-09-15
CH486746A (fr) 1970-02-28
US3621262A (en) 1971-11-16
DE1906075C3 (de) 1974-02-21

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