SE418426B - Ljusrida - Google Patents

Ljusrida

Info

Publication number
SE418426B
SE418426B SE7803985A SE7803985A SE418426B SE 418426 B SE418426 B SE 418426B SE 7803985 A SE7803985 A SE 7803985A SE 7803985 A SE7803985 A SE 7803985A SE 418426 B SE418426 B SE 418426B
Authority
SE
Sweden
Prior art keywords
light
signal
oscillator
sensing
circuit
Prior art date
Application number
SE7803985A
Other languages
English (en)
Swedish (sv)
Other versions
SE7803985L (sv
Inventor
J E Tysk
Original Assignee
Telub Ab
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 Telub Ab filed Critical Telub Ab
Priority to SE7803985A priority Critical patent/SE418426B/sv
Priority to GB7912351A priority patent/GB2023282B/en
Priority to DE19792914329 priority patent/DE2914329A1/de
Priority to NO791203A priority patent/NO791203L/no
Priority to JP4409979A priority patent/JPS554690A/ja
Priority to DK149979A priority patent/DK149979A/da
Publication of SE7803985L publication Critical patent/SE7803985L/xx
Publication of SE418426B publication Critical patent/SE418426B/sv

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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Burglar Alarm Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Electronic Switches (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SE7803985A 1978-04-10 1978-04-10 Ljusrida SE418426B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7803985A SE418426B (sv) 1978-04-10 1978-04-10 Ljusrida
GB7912351A GB2023282B (en) 1978-04-10 1979-04-09 Light-curtain means
DE19792914329 DE2914329A1 (de) 1978-04-10 1979-04-09 Lichtschranke
NO791203A NO791203L (no) 1978-04-10 1979-04-10 Lysridaa.
JP4409979A JPS554690A (en) 1978-04-10 1979-04-10 Optical curtain device
DK149979A DK149979A (da) 1978-04-10 1979-04-10 Lysskranke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7803985A SE418426B (sv) 1978-04-10 1978-04-10 Ljusrida

Publications (2)

Publication Number Publication Date
SE7803985L SE7803985L (sv) 1979-10-11
SE418426B true SE418426B (sv) 1981-05-25

Family

ID=20334543

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7803985A SE418426B (sv) 1978-04-10 1978-04-10 Ljusrida

Country Status (6)

Country Link
JP (1) JPS554690A (da)
DE (1) DE2914329A1 (da)
DK (1) DK149979A (da)
GB (1) GB2023282B (da)
NO (1) NO791203L (da)
SE (1) SE418426B (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504709A1 (fr) * 1981-04-28 1982-10-29 Alsthom Cgee Procede et dispositif detecteur de presence
JPS58154379A (ja) * 1982-03-05 1983-09-13 Bunka Shutter Kk シヤツタ−におけるリミツト調整装置
US4559452A (en) * 1982-06-02 1985-12-17 Fujitsu Limited Apparatus for detecting edge of semitransparent plane substance
DE3237606A1 (de) * 1982-10-11 1984-04-12 Löbel, Monika, 4330 Mülheim Elektronischer niveauschalter mit selbstsichernder steuereinheit
SE456952B (sv) * 1982-12-16 1988-11-14 Innovationsteknik Inst Ab Mikrodatorstyrd ljusridaa
GB2133537B (en) * 1982-12-16 1986-07-09 Glyben Automation Limited Position detector system
JPS60226499A (ja) * 1984-04-24 1985-11-11 Seiko Epson Corp ルビ−単結晶合成方法
EP0206664A3 (en) * 1985-06-12 1989-03-01 John Peter Hughes Guard system
CH668872A5 (de) * 1985-07-05 1989-01-31 Baumer Electric Ag Naeherungsschalter.
DE3803033A1 (de) * 1988-02-02 1989-08-10 Sick Erwin Gmbh Lichtschrankengitter
WO1990008333A1 (en) * 1988-11-04 1990-07-26 Mats Linger Safety guard beam light switch
GB2227309A (en) * 1989-01-18 1990-07-25 Formula Systems Ltd Detection system
DE3939191C3 (de) * 1989-11-27 1996-02-08 Lumiflex Gmbh & Co Kg Elektron Mehrstrahlige Einweglichtschranke
US5015840B1 (en) * 1990-01-09 1995-04-11 Scient Technologies Inc Self-checking light curtain system and method of operation.
DE69231311T2 (de) * 1992-04-30 2001-02-15 Reer S.P.A., Turin/Torino Optoelektronische Schranke
US5577733A (en) * 1994-04-08 1996-11-26 Downing; Dennis L. Targeting system
JP3986162B2 (ja) * 1998-06-03 2007-10-03 株式会社キーエンス 多重投光検出可能な多光軸光電スイッチ
DE19919253A1 (de) * 1999-04-28 2000-11-02 Zeiss Carl Fa Optischer Kollisionsschutz für bewegte Maschinenteile
DE102006059370A1 (de) * 2006-12-15 2008-06-26 Sick Ag Lichtgitter
DE102007031430B4 (de) * 2007-07-05 2016-12-01 Sick Ag Verfahren zum Betrieb eines Lichtgitters und Lichtgitter
DE102010037681B4 (de) * 2010-09-21 2018-12-27 Sick Ag Lichtgitter und Verfahren zur Objektvermessung mit einem Lichtgitter
CN112363238B (zh) * 2020-11-25 2022-09-06 上海长江电气设备集团有限公司 光幕光束对齐修正方法、光幕接收器、发射器及存储介质
EP4026973A1 (en) * 2021-01-07 2022-07-13 CAME S.p.A. Control system for access point devices

Also Published As

Publication number Publication date
DE2914329A1 (de) 1979-11-15
SE7803985L (sv) 1979-10-11
GB2023282B (en) 1983-01-06
DK149979A (da) 1979-10-11
NO791203L (no) 1979-10-11
JPS554690A (en) 1980-01-14
GB2023282A (en) 1979-12-28

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