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SE7803985L - LJUSRIDA - Google Patents

LJUSRIDA

Info

Publication number
SE7803985L
SE7803985L SE7803985A SE7803985A SE7803985L SE 7803985 L SE7803985 L SE 7803985L SE 7803985 A SE7803985 A SE 7803985A SE 7803985 A SE7803985 A SE 7803985A SE 7803985 L SE7803985 L SE 7803985L
Authority
SE
Sweden
Prior art keywords
ljusrida
Prior art date
Application number
SE7803985A
Other languages
Swedish (sv)
Other versions
SE418426B (en
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/en
Priority to DE19792914329 priority patent/DE2914329A1/en
Priority to GB7912351A priority patent/GB2023282B/en
Priority to DK149979A priority patent/DK149979A/en
Priority to NO791203A priority patent/NO791203L/en
Priority to JP4409979A priority patent/JPS554690A/en
Publication of SE7803985L publication Critical patent/SE7803985L/en
Publication of SE418426B publication Critical patent/SE418426B/en

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Burglar Alarm Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
SE7803985A 1978-04-10 1978-04-10 Light Curtain SE418426B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7803985A SE418426B (en) 1978-04-10 1978-04-10 Light Curtain
DE19792914329 DE2914329A1 (en) 1978-04-10 1979-04-09 PHOTOELECTRIC BARRIER
GB7912351A GB2023282B (en) 1978-04-10 1979-04-09 Light-curtain means
DK149979A DK149979A (en) 1978-04-10 1979-04-10 Plant for dry-forming paper or other web material from particles or fibres
NO791203A NO791203L (en) 1978-04-10 1979-04-10 LYSRIDAA.
JP4409979A JPS554690A (en) 1978-04-10 1979-04-10 Optical curtain device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7803985A SE418426B (en) 1978-04-10 1978-04-10 Light Curtain

Publications (2)

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

Family

ID=20334543

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7803985A SE418426B (en) 1978-04-10 1978-04-10 Light Curtain

Country Status (6)

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

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504709A1 (en) * 1981-04-28 1982-10-29 Alsthom Cgee Infrared intruder alarm system - uses pulsed 10 to 100 kilohertz high frequency modulated signal transmitted using IR LED
JPS58154379A (en) * 1982-03-05 1983-09-13 Bunka Shutter Kk Limit regulator for shutter
US4559452A (en) * 1982-06-02 1985-12-17 Fujitsu Limited Apparatus for detecting edge of semitransparent plane substance
DE3237606A1 (en) * 1982-10-11 1984-04-12 Löbel, Monika, 4330 Mülheim Electronic level switch with self-protecting control unit
GB2133537B (en) * 1982-12-16 1986-07-09 Glyben Automation Limited Position detector system
SE456952B (en) * 1982-12-16 1988-11-14 Innovationsteknik Inst Ab MICRODATOR CONTROL LIGHT RIDAA
JPS60226499A (en) * 1984-04-24 1985-11-11 Seiko Epson Corp Synthesis of ruby single crystal
GB2177503A (en) * 1985-06-12 1987-01-21 John Peter Hughes Guard system
CH668872A5 (en) * 1985-07-05 1989-01-31 Baumer Electric Ag PROXIMITY SWITCH.
DE3803033A1 (en) * 1988-02-02 1989-08-10 Sick Erwin Gmbh LIGHT BARRIER GRID
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 (en) * 1989-11-27 1996-02-08 Lumiflex Gmbh & Co Kg Elektron Multi-beam through-beam sensor
US5015840B1 (en) * 1990-01-09 1995-04-11 Scient Technologies Inc Self-checking light curtain system and method of operation.
DE69231311T2 (en) * 1992-04-30 2001-02-15 Reer S.P.A., Turin/Torino Optoelectronic barrier
US5577733A (en) * 1994-04-08 1996-11-26 Downing; Dennis L. Targeting system
JP3986162B2 (en) 1998-06-03 2007-10-03 株式会社キーエンス Multi-optical axis photoelectric switch capable of detecting multiple projections
DE19919253A1 (en) * 1999-04-28 2000-11-02 Zeiss Carl Fa Optical collision protection for moving machine parts
DE102006059370A1 (en) * 2006-12-15 2008-06-26 Sick Ag light Curtain
DE102007031430B4 (en) * 2007-07-05 2016-12-01 Sick Ag Method for operating a light grid and light grid
DE102010037681B4 (en) 2010-09-21 2018-12-27 Sick Ag Light grid and method for object measurement with a light grid
CN112363238B (en) * 2020-11-25 2022-09-06 上海长江电气设备集团有限公司 Light curtain light beam alignment correction method, light curtain receiver, transmitter and storage medium
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
SE418426B (en) 1981-05-25
DK149979A (en) 1979-10-11
NO791203L (en) 1979-10-11
JPS554690A (en) 1980-01-14
GB2023282A (en) 1979-12-28
DE2914329A1 (en) 1979-11-15
GB2023282B (en) 1983-01-06

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