JPS554690A - Optical curtain device - Google Patents

Optical curtain device

Info

Publication number
JPS554690A
JPS554690A JP4409979A JP4409979A JPS554690A JP S554690 A JPS554690 A JP S554690A JP 4409979 A JP4409979 A JP 4409979A JP 4409979 A JP4409979 A JP 4409979A JP S554690 A JPS554690 A JP S554690A
Authority
JP
Japan
Prior art keywords
curtain device
optical curtain
optical
curtain
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
JP4409979A
Other languages
Japanese (ja)
Inventor
Eritsuku Teisuku Jiyan
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.)
TELUB AB
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
Publication of JPS554690A publication Critical patent/JPS554690A/en
Pending 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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
  • Burglar Alarm Systems (AREA)
JP4409979A 1978-04-10 1979-04-10 Optical curtain device Pending JPS554690A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS554690A true JPS554690A (en) 1980-01-14

Family

ID=20334543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4409979A Pending JPS554690A (en) 1978-04-10 1979-04-10 Optical curtain device

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154379A (en) * 1982-03-05 1983-09-13 Bunka Shutter Kk Limit regulator for shutter
JPS60226499A (en) * 1984-04-24 1985-11-11 Seiko Epson Corp Synthesis of ruby single crystal

Families Citing this family (21)

* 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
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
EP0206664A3 (en) * 1985-06-12 1989-03-01 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.
ATE195190T1 (en) * 1992-04-30 2000-08-15 Reer Spa 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154379A (en) * 1982-03-05 1983-09-13 Bunka Shutter Kk Limit regulator for shutter
JPH0419356B2 (en) * 1982-03-05 1992-03-30 Bunka Shutter
JPS60226499A (en) * 1984-04-24 1985-11-11 Seiko Epson Corp Synthesis of ruby single crystal
JPH0310599B2 (en) * 1984-04-24 1991-02-14 Seiko Epson Corp

Also Published As

Publication number Publication date
GB2023282A (en) 1979-12-28
NO791203L (en) 1979-10-11
SE7803985L (en) 1979-10-11
DK149979A (en) 1979-10-11
DE2914329A1 (en) 1979-11-15
SE418426B (en) 1981-05-25
GB2023282B (en) 1983-01-06

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