JPH02129832U - - Google Patents

Info

Publication number
JPH02129832U
JPH02129832U JP3820789U JP3820789U JPH02129832U JP H02129832 U JPH02129832 U JP H02129832U JP 3820789 U JP3820789 U JP 3820789U JP 3820789 U JP3820789 U JP 3820789U JP H02129832 U JPH02129832 U JP H02129832U
Authority
JP
Japan
Prior art keywords
snow
ice
temperature
drift ice
drifting
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.)
Pending
Application number
JP3820789U
Other languages
English (en)
Japanese (ja)
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
Priority to JP3820789U priority Critical patent/JPH02129832U/ja
Publication of JPH02129832U publication Critical patent/JPH02129832U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Radiation Pyrometers (AREA)
JP3820789U 1989-03-31 1989-03-31 Pending JPH02129832U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3820789U JPH02129832U (enExample) 1989-03-31 1989-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3820789U JPH02129832U (enExample) 1989-03-31 1989-03-31

Publications (1)

Publication Number Publication Date
JPH02129832U true JPH02129832U (enExample) 1990-10-25

Family

ID=31546005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3820789U Pending JPH02129832U (enExample) 1989-03-31 1989-03-31

Country Status (1)

Country Link
JP (1) JPH02129832U (enExample)

Similar Documents

Publication Publication Date Title
DK0654770T3 (da) Anordning til tidlig identificering af brande
CA1302541C (en) Integrating passive infrared intrusion detector and method
WO1986006859A3 (en) Fire sensor cross-correlator circuit and method
EP0067531A3 (en) System for assessing the effect of forces acting on a structure, and detectors and optical sensors for use in such systems
AU6352196A (en) Thermal emitted radiation detecting device
ES503363A0 (es) Perfeccionamientos en la deteccion de fallos en sistemas sensores
ES8406766A1 (es) Perfeccionamientos en detectores infrarrojos para la deteccion de un intruso en un recinto
CA1120126A (en) Infrared intrusion alarm system with temperature responsive threshold level
HUP9900846A2 (hu) Fogyasztásmérő felnyitását érzékelő eszköz és ilyen eszközzel felszerelt fogyasztásmérő
FR2696544B1 (fr) Cellule de detection, detecteur, capteur et spectroscope.
JPH02129832U (enExample)
ATE93639T1 (de) Ueberwachungsanordnung fuer ultraviolettstrahlung.
ATE211845T1 (de) Verfahren zur vermeidung von fehlalarmen in einem brandmeldesystem, und brandmeldesystem zur durchführung des verfahrens
FR2590677B1 (fr) Dispositif de surveillance de capteur de vitesse
KR100554617B1 (ko) 지능형 인체감지 열선 센서 장치
JPS58151698A (ja) パイロ電気受光器を備えた赤外線侵入検出装置
JPS55144513A (en) Measuring method of emissivity
JPS6118236B2 (enExample)
JPS5913577Y2 (ja) 冷却室の温度表示装置
JP2001021667A5 (enExample)
EP0358436A3 (en) Infrared detection element
JPH034274U (enExample)
JP2542055B2 (ja) 人体検出装置
JPH07140261A (ja) 路面凍結検知装置
JPH03216585A (ja) 人体検出装置