IT993021B - GRID SYSTEM OF ELECTRIC PHOTO RELAYS - Google Patents

GRID SYSTEM OF ELECTRIC PHOTO RELAYS

Info

Publication number
IT993021B
IT993021B IT27990/73A IT2799073A IT993021B IT 993021 B IT993021 B IT 993021B IT 27990/73 A IT27990/73 A IT 27990/73A IT 2799073 A IT2799073 A IT 2799073A IT 993021 B IT993021 B IT 993021B
Authority
IT
Italy
Prior art keywords
grid system
electric photo
photo relays
relays
electric
Prior art date
Application number
IT27990/73A
Other languages
Italian (it)
Original Assignee
Sick Optik Elektronik Erwin
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 Sick Optik Elektronik Erwin filed Critical Sick Optik Elektronik Erwin
Application granted granted Critical
Publication of IT993021B publication Critical patent/IT993021B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
    • 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
    • G01V8/22—Detecting, e.g. by using light barriers using multiple transmitters or receivers using reflectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors

Landscapes

  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
IT27990/73A 1972-09-26 1973-08-17 GRID SYSTEM OF ELECTRIC PHOTO RELAYS IT993021B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2247053A DE2247053C3 (en) 1972-09-26 1972-09-26 Light barrier

Publications (1)

Publication Number Publication Date
IT993021B true IT993021B (en) 1975-09-30

Family

ID=5857357

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27990/73A IT993021B (en) 1972-09-26 1973-08-17 GRID SYSTEM OF ELECTRIC PHOTO RELAYS

Country Status (7)

Country Link
US (1) US3858043A (en)
JP (1) JPS5527315B2 (en)
CH (1) CH558060A (en)
DE (1) DE2247053C3 (en)
GB (1) GB1436953A (en)
IT (1) IT993021B (en)
SE (1) SE391249B (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283494A2 (en) * 1974-09-02 1976-03-26 Cometa Photoelectric scanning of control zone - by comparing count signals with scanning switch states to decide if scanning continues
DE2508366C3 (en) 1975-02-26 1979-05-17 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optical device with a light curtain
DE2559947C3 (en) * 1975-02-26 1981-04-23 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optical device with a light curtain
IT1044402B (en) * 1975-06-19 1980-03-20 Autostrade Concess Const SCANNING BARRIER FOR THE DISCRIMINATION AND COUNTING OF OBJECTS AND MORE SPECIFICALLY OF VEHICLES IN TRANSIT THROUGH A LAMINAR BARRIER OF ELECTROMAGNETIC MICROWAVES
US4260882A (en) * 1978-05-17 1981-04-07 Barnes Austen B Light sensitive detection circuit
DE2851444C2 (en) * 1978-11-28 1983-05-26 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Light curtain
SE428250B (en) * 1979-05-31 1983-06-13 Bert Jonsson PHOTOELECTRIC DEVICE FOR SENSING FORM
US4286880A (en) * 1979-07-30 1981-09-01 The Bendix Corporation Scanning light beam lumber defect position system and method of using same
ES495038A0 (en) * 1979-09-10 1981-12-16 Gordon Ambler Kenneth A METHOD AND A DETECTION DEVICE FOR OPAQUE MEMBERS WHICH ARE FOUND WITHIN A DETECTION SPACE.
DE2941739C2 (en) * 1979-10-16 1982-02-18 Krohne Meßtechnik GmbH & Co KG, 4100 Duisburg Light curtain
DE2944588C2 (en) * 1979-11-05 1981-11-12 Krohne Meßtechnik GmbH & Co KG, 4100 Duisburg Light curtain
EP0070883B1 (en) * 1981-02-10 1987-09-30 Otis Elevator Company Photoelectric obstruction detector for elevator doorways
JPS59163093U (en) * 1983-04-18 1984-10-31 積水ハウス株式会社 window lattice
FR2574200B1 (en) * 1984-11-30 1987-01-23 Labo Electronique Physique DEVICE FOR DETECTING AN INTRUDER PROVIDED WITH AN ANTI-MASKING DEVICE
DE3447131A1 (en) * 1984-12-22 1986-06-26 Telenot Electronic GmbH, 7080 Aalen ROOM PROTECTION SYSTEM
JPH0325220Y2 (en) * 1985-02-15 1991-05-31
US4652205A (en) * 1985-05-02 1987-03-24 Robotic Vision Systems, Inc. Robot cell safety system
GB2177503A (en) * 1985-06-12 1987-01-21 John Peter Hughes Guard system
DE3641926C1 (en) * 1986-12-09 1988-04-28 Sick Optik Elektronik Erwin Autocollimation light curtain
US4736097A (en) * 1987-02-02 1988-04-05 Harald Philipp Optical motion sensor
DE3707978C1 (en) * 1987-03-12 1988-03-17 Sick Optik Elektronik Erwin Light curtain
GB2207999B (en) * 1987-08-13 1992-04-22 Memco Med Ltd Safety systems
DE3871525D1 (en) * 1988-01-27 1992-07-02 Harald Philipp MOTION DETECTOR.
US4879461A (en) * 1988-04-25 1989-11-07 Harald Philipp Energy field sensor using summing means
DE3833680A1 (en) * 1988-10-04 1990-04-05 Zeiss Carl Fa PROTECTIVE DEVICE FOR LONG-EXTENDED MACHINE PARTS
GB2238379A (en) * 1989-10-13 1991-05-29 John Trett Obstruction detection apparatus
US5354983A (en) * 1990-04-10 1994-10-11 Auto-Sense, Limited Object detector utilizing a threshold detection distance and suppression means for detecting the presence of a motor vehicle
DE4217696C2 (en) * 1992-05-27 1995-01-12 Mannesmann Ag Optoelectronic signal generator
US5572183A (en) * 1995-01-17 1996-11-05 Sweeney; Gary L. Laser light fire evacuation system
US5838238A (en) * 1996-03-13 1998-11-17 The Johns Hopkins University Alarm system for blind and visually impaired individuals
US7167575B1 (en) 2000-04-29 2007-01-23 Cognex Corporation Video safety detector with projected pattern
US6701005B1 (en) 2000-04-29 2004-03-02 Cognex Corporation Method and apparatus for three-dimensional object segmentation
DE60326558D1 (en) 2002-04-19 2009-04-23 Hill Rom Services Inc DEVICE FOR HOSPITAL BEDS FOR THE PERCEPTION OF OBSTACLES
US6987259B2 (en) * 2002-05-30 2006-01-17 Dmetrix, Inc. Imaging system with an integrated source and detector array
US8381747B2 (en) * 2010-12-16 2013-02-26 The Boeing Company Automated cleaning system for an aircraft fuselage interior
DE102016121204A1 (en) * 2016-11-07 2018-05-09 Pepperl + Fuchs Gmbh Optical sensor
DE102016121913A1 (en) * 2016-11-15 2018-05-17 Sick Ag Multibeam light barrier
US11406548B2 (en) 2018-09-27 2022-08-09 Hill-Rom Services, Inc. Obstacle detection IR beam filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930898A (en) * 1956-09-11 1960-03-29 W D Engineering Co Ltd Cathode ray tube apparatus for the inspection of articles
US3293513A (en) * 1962-08-08 1966-12-20 Texas Instruments Inc Semiconductor radiant diode
DE2007840C3 (en) * 1970-02-20 1979-11-15 Endl, Alfons, 8000 Muenchen Light barrier
US3764813A (en) * 1972-04-12 1973-10-09 Bell Telephone Labor Inc Coordinate detection system

Also Published As

Publication number Publication date
US3858043A (en) 1974-12-31
DE2247053B2 (en) 1978-12-07
DE2247053A1 (en) 1974-05-22
JPS5527315B2 (en) 1980-07-19
GB1436953A (en) 1976-05-26
JPS4971980A (en) 1974-07-11
DE2247053C3 (en) 1979-08-09
CH558060A (en) 1975-01-15
SE391249B (en) 1977-02-07

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