NL164981B - DEVICE FOR DETECTING AND MONITORING A RADIATION. - Google Patents

DEVICE FOR DETECTING AND MONITORING A RADIATION.

Info

Publication number: NL164981B
Authority: NL; Netherlands
Prior art keywords: radiation; monitoring; detecting
Prior art date: 1968-02-15

Application number

NL6901997.A

Other languages

Dutch (nl)

Other versions

NL164981C (en

NL6901997A (en

Original Assignee

Francais Detection Eletr

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.)

1968-02-15

Filing date

1969-02-07

Publication date

1980-09-15

1969-02-07 Application filed by Francais Detection Eletr filed Critical Francais Detection Eletr

1969-08-19 Publication of NL6901997A publication Critical patent/NL6901997A/xx

1980-09-15 Publication of NL164981B publication Critical patent/NL164981B/en

1981-02-16 Application granted granted Critical

1981-02-16 Publication of NL164981C publication Critical patent/NL164981C/en

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 DEVICE FOR DETECTING AND MONITORING A RADIATION. NL164981C (en)

Applications Claiming Priority (1)

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

Publications (3)

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

Family

ID=8646019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6901997.A NL164981C (en)	1968-02-15	1969-02-07	DEVICE FOR DETECTING AND MONITORING A RADIATION.

Country Status (11)

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

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 (en) *	1971-04-15	1976-10-06
JPS5512635B2 (en) *	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 (en) *	1974-01-04	1976-11-26	Commissariat Energie Atomique
JPS5231699A (en) *	1975-07-25	1977-03-10	Hochiki Corp	Fire senser
DE2614487C2 (en) *	1976-04-03	1983-06-23	Total Feuerschutz GmbH, 6802 Ladenburg	Circuit arrangement for evaluating a random pulse sequence from a radiation-sensitive gas discharge detector
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 (en) *	1983-03-18	1994-06-22	和芙橋本	Automatic measurement and alarm device for radioactivity
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 (en) *	1987-03-04	1988-09-15	Preussag Ag Feuerschutz	Method for evaluating the UV component in the flame spectrum by means of an electronic flame detector
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

1968
- 1968-02-15 FR FR139945A patent/FR1565498A/fr not_active Expired
1969
- 1969-01-30 BE BE727699D patent/BE727699A/xx not_active IP Right Cessation
- 1969-01-31 CH CH152969A patent/CH486746A/en not_active IP Right Cessation
- 1969-02-05 GB GB6224/69A patent/GB1255221A/en not_active Expired
- 1969-02-07 US US797402A patent/US3621262A/en not_active Expired - Lifetime
- 1969-02-07 DE DE1906075A patent/DE1906075C3/en not_active Expired
- 1969-02-07 NL NL6901997.A patent/NL164981C/en not_active IP Right Cessation
- 1969-02-10 AT AT134469A patent/AT293920B/en not_active IP Right Cessation
- 1969-02-11 SE SE1851/69A patent/SE344254B/xx unknown
- 1969-02-14 ES ES363669A patent/ES363669A1/en not_active Expired
- 1969-02-14 CA CA042914A patent/CA929251A/en not_active Expired

Also Published As

Publication number	Publication date
NL164981C (en)	1981-02-16
CH486746A (en)	1970-02-28
NL6901997A (en)	1969-08-19
GB1255221A (en)	1971-12-01
US3621262A (en)	1971-11-16
AT293920B (en)	1971-10-25
DE1906075A1 (en)	1969-09-04
BE727699A (en)	1969-07-01
DE1906075B2 (en)	1973-07-26
FR1565498A (en)	1969-05-02
ES363669A1 (en)	1971-01-01
CA929251A (en)	1973-06-26
DE1906075C3 (en)	1974-02-21
SE344254B (en)	1972-04-04

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Legal Events

Date	Code	Title	Description
1986-10-16	V1	Lapsed because of non-payment of the annual fee