JPS5672382A - Detector for mobile body - Google Patents

Detector for mobile body

Info

Publication number
JPS5672382A
JPS5672382A JP15023079A JP15023079A JPS5672382A JP S5672382 A JPS5672382 A JP S5672382A JP 15023079 A JP15023079 A JP 15023079A JP 15023079 A JP15023079 A JP 15023079A JP S5672382 A JPS5672382 A JP S5672382A
Authority
JP
Japan
Prior art keywords
detection
window
visual light
constitution
vessel
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
JP15023079A
Other languages
Japanese (ja)
Inventor
Tatsuya Arimoto
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.)
OPTIC KK
Opt KK
Original Assignee
OPTIC KK
Opt KK
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 OPTIC KK, Opt KK filed Critical OPTIC KK
Priority to JP15023079A priority Critical patent/JPS5672382A/en
Publication of JPS5672382A publication Critical patent/JPS5672382A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

PURPOSE: To increase the accuracy of detection, by specifying the constitution of the window for detection.
CONSTITUTION: The window of detection 21 fitted to a vessel 3 containing a differential type detection element 22 is incorporatedly molded with the vessel 3 by high density polyethylene 0.5mm or more thick, and the strength is increased with bent construction of the first or second order curved plane. Thus, since the transmission rate of visual light is remarkably small for the high density polyethylene in comparison with the transmission rate for far-infrared rays, the lowering in the transmission of the far-infrared ray of the window 21 for detection is small and that for visual light is greater, allowing to reduce the effect due to the variance in the visual light in the range of detection and due to cooling and hot wind. Acconrdingly, the detection with high accuracy can be made at the environment other than normal temperature for the detected object and background.
COPYRIGHT: (C)1981,JPO&Japio
JP15023079A 1979-11-19 1979-11-19 Detector for mobile body Pending JPS5672382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15023079A JPS5672382A (en) 1979-11-19 1979-11-19 Detector for mobile body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15023079A JPS5672382A (en) 1979-11-19 1979-11-19 Detector for mobile body

Publications (1)

Publication Number Publication Date
JPS5672382A true JPS5672382A (en) 1981-06-16

Family

ID=15492382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15023079A Pending JPS5672382A (en) 1979-11-19 1979-11-19 Detector for mobile body

Country Status (1)

Country Link
JP (1) JPS5672382A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023991A (en) * 1983-05-09 1985-02-06 榎本　正実 Automatic firing and extinguishing lamp illuminator
JPS63139223A (en) * 1986-12-02 1988-06-11 Murata Mfg Co Ltd Pyroelectric type infrared-ray sensor
US4795908A (en) * 1986-02-25 1989-01-03 Masushita Electric Works, Ltd. Infrared detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517654B1 (en) * 1970-07-07 1976-03-10
JPS5349445A (en) * 1976-10-14 1978-05-04 Siemens Ag Filter for light detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517654B1 (en) * 1970-07-07 1976-03-10
JPS5349445A (en) * 1976-10-14 1978-05-04 Siemens Ag Filter for light detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023991A (en) * 1983-05-09 1985-02-06 榎本　正実 Automatic firing and extinguishing lamp illuminator
JPH027158B2 (en) * 1983-05-09 1990-02-15 Masami Enomoto
US4795908A (en) * 1986-02-25 1989-01-03 Masushita Electric Works, Ltd. Infrared detector
JPS63139223A (en) * 1986-12-02 1988-06-11 Murata Mfg Co Ltd Pyroelectric type infrared-ray sensor
JPH0455259B2 (en) * 1986-12-02 1992-09-02 Murata Manufacturing Co

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