SE8304348L - OPTICAL SENSOR - Google Patents

OPTICAL SENSOR

Info

Publication number
SE8304348L
SE8304348L SE8304348A SE8304348A SE8304348L SE 8304348 L SE8304348 L SE 8304348L SE 8304348 A SE8304348 A SE 8304348A SE 8304348 A SE8304348 A SE 8304348A SE 8304348 L SE8304348 L SE 8304348L
Authority
SE
Sweden
Prior art keywords
mirror
sensor
aperture
sight
line
Prior art date
Application number
SE8304348A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8304348D0 (en
Inventor
A J Glazar
L F Villar
Original Assignee
Servo Corp Of America
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 Servo Corp Of America filed Critical Servo Corp Of America
Publication of SE8304348D0 publication Critical patent/SE8304348D0/en
Publication of SE8304348L publication Critical patent/SE8304348L/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radiation Pyrometers (AREA)

Abstract

An optical sensor (10), such as an infrared sensor for detecting overheated wheels or wheel bearing on trains passing along a section of track, comprises an optical system (24) having its receiving optical axis angled (e.g. perpendicularly) to the line of sight of the sensor through a sighting aperture (26). A mirror (30) is pivotally mounted in the line of sight and is movable between a first (operating) position in which it reflects rays travelling along the line of sight to the optical system (24), and a second (aiming) position in which an observer can look through a viewing aperture in the top of the sensor and see through the sighting aperture (26) via the mirror (30). When cross hairs (36) between the viewing aperture and the mirror (30) appear superimposed on cross hairs (38) between the mirror (30) and the sighting aperture (26), the observers' line of sight through the aperture (26) is the same as that of the optical system (24) when the mirror is in the first position, thus permitting the sensor to be aimed accurately and easily at a target. <IMAGE>
SE8304348A 1982-09-08 1983-08-10 OPTICAL SENSOR SE8304348L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41605682A 1982-09-08 1982-09-08

Publications (2)

Publication Number Publication Date
SE8304348D0 SE8304348D0 (en) 1983-08-10
SE8304348L true SE8304348L (en) 1984-03-09

Family

ID=23648357

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304348A SE8304348L (en) 1982-09-08 1983-08-10 OPTICAL SENSOR

Country Status (6)

Country Link
JP (1) JPS5956183A (en)
AU (1) AU1860983A (en)
DE (1) DE3331895A1 (en)
FR (1) FR2532763A1 (en)
GB (1) GB2127171B (en)
SE (1) SE8304348L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0199081U (en) * 1987-12-24 1989-07-03

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099213B (en) * 1958-08-26 1961-02-09 Continental Elektro Ind Ag Optical imaging system with an autocollimation device
GB1037823A (en) * 1961-12-19 1966-08-03 Specto Ltd Improvements in or relating to indicating or display systems
DE1207112B (en) * 1964-08-26 1965-12-16 Leitz Ernst Gmbh Autocollimation telescope
US3545005A (en) * 1965-09-24 1970-12-01 Cornelius A Gallagher Hotbox detector
JPS5866027A (en) * 1981-10-16 1983-04-20 Chino Works Ltd Optical measuring device

Also Published As

Publication number Publication date
AU1860983A (en) 1984-03-15
SE8304348D0 (en) 1983-08-10
GB2127171A (en) 1984-04-04
JPS5956183A (en) 1984-03-31
GB2127171B (en) 1985-12-24
FR2532763A1 (en) 1984-03-09
GB8311304D0 (en) 1983-06-02
DE3331895A1 (en) 1984-04-05

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