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DE19580796D2 - Optical sensor with stray light suppression - Google Patents

Optical sensor with stray light suppression

Info

Publication number
DE19580796D2
DE19580796D2 DE19580796T DE19580796T DE19580796D2 DE 19580796 D2 DE19580796 D2 DE 19580796D2 DE 19580796 T DE19580796 T DE 19580796T DE 19580796 T DE19580796 T DE 19580796T DE 19580796 D2 DE19580796 D2 DE 19580796D2
Authority
DE
Germany
Prior art keywords
optical sensor
stray light
light suppression
suppression
stray
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.)
Expired - Lifetime
Application number
DE19580796T
Other languages
German (de)
Inventor
Daniel Mueller
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.)
HERA ROTTERDAM B.V., ROTTERDAM, NL
Original Assignee
Baumer Electric 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 Baumer Electric AG filed Critical Baumer Electric AG
Application granted granted Critical
Publication of DE19580796D2 publication Critical patent/DE19580796D2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Communication System (AREA)
DE19580796T 1994-07-15 1995-07-12 Optical sensor with stray light suppression Expired - Lifetime DE19580796D2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH226494 1994-07-15
PCT/CH1995/000162 WO1996002858A1 (en) 1994-07-15 1995-07-12 Optical sensor with suppression of optical interference

Publications (1)

Publication Number Publication Date
DE19580796D2 true DE19580796D2 (en) 1996-09-26

Family

ID=4229705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19580796T Expired - Lifetime DE19580796D2 (en) 1994-07-15 1995-07-12 Optical sensor with stray light suppression

Country Status (3)

Country Link
JP (1) JPH09503068A (en)
DE (1) DE19580796D2 (en)
WO (1) WO1996002858A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117838A1 (en) * 2001-04-02 2002-10-17 Omron Electronics Mfg Of Germa Interference light suppression method and measuring device
CH697495B1 (en) 2005-04-01 2008-11-14 Baumer Electric Ag Optical sensor and method for suppressing stray light errors.
DE102011078307A1 (en) * 2011-06-29 2013-01-03 Ifm Electronic Gmbh Lighting for a light runtime camera

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE121849T1 (en) * 1990-02-06 1995-05-15 Katschnig Helmut METHOD FOR DETERMINING THE PRESENCE OF STEAM AND/OR SMOKE IN THE EXHAUST AIR OF A DEVICE FOR HEATING MATERIALS AND DEVICES FOR PERFORMING SUCH METHOD.
US5103085A (en) * 1990-09-05 1992-04-07 Zimmerman Thomas G Photoelectric proximity detector and switch
DE4036407C2 (en) * 1990-11-15 1994-06-01 Telefunken Microelectron Sensor system

Also Published As

Publication number Publication date
JPH09503068A (en) 1997-03-25
WO1996002858A1 (en) 1996-02-01

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: HERA ROTTERDAM B.V., ROTTERDAM, NL

8141 Disposal/no request for examination