AU525276B2 - Filter for radiation detector for fire alarm - Google Patents

Filter for radiation detector for fire alarm

Info

Publication number
AU525276B2
AU525276B2 AU67385/81A AU6738581A AU525276B2 AU 525276 B2 AU525276 B2 AU 525276B2 AU 67385/81 A AU67385/81 A AU 67385/81A AU 6738581 A AU6738581 A AU 6738581A AU 525276 B2 AU525276 B2 AU 525276B2
Authority
AU
Australia
Prior art keywords
filter
radiation detector
fire alarm
alarm
fire
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.)
Ceased
Application number
AU67385/81A
Other versions
AU6738581A (en
Inventor
Domokos Tar
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Priority to AU67385/81A priority Critical patent/AU525276B2/en
Publication of AU6738581A publication Critical patent/AU6738581A/en
Application granted granted Critical
Publication of AU525276B2 publication Critical patent/AU525276B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/046—Materials; Selection of thermal materials
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0801—Means for wavelength selection or discrimination
    • G01J5/0802—Optical filters
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0875—Windows; Arrangements for fastening thereof
    • 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
AU67385/81A 1981-02-17 1981-02-17 Filter for radiation detector for fire alarm Ceased AU525276B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU67385/81A AU525276B2 (en) 1981-02-17 1981-02-17 Filter for radiation detector for fire alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU67385/81A AU525276B2 (en) 1981-02-17 1981-02-17 Filter for radiation detector for fire alarm

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU46486/79A Addition AU521239B2 (en) 1978-04-25 1979-04-26 Flame detector

Publications (2)

Publication Number Publication Date
AU6738581A AU6738581A (en) 1981-05-14
AU525276B2 true AU525276B2 (en) 1982-10-28

Family

ID=3751675

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67385/81A Ceased AU525276B2 (en) 1981-02-17 1981-02-17 Filter for radiation detector for fire alarm

Country Status (1)

Country Link
AU (1) AU525276B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578459B2 (en) * 1984-04-03 1988-10-27 International Control Automation Finance Sa Solid state ultraviolet flame detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578459B2 (en) * 1984-04-03 1988-10-27 International Control Automation Finance Sa Solid state ultraviolet flame detector

Also Published As

Publication number Publication date
AU6738581A (en) 1981-05-14

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