SE439557B - Fotoelektrisk barrier - Google Patents

Fotoelektrisk barrier

Info

Publication number
SE439557B
SE439557B SE7906890A SE7906890A SE439557B SE 439557 B SE439557 B SE 439557B SE 7906890 A SE7906890 A SE 7906890A SE 7906890 A SE7906890 A SE 7906890A SE 439557 B SE439557 B SE 439557B
Authority
SE
Sweden
Prior art keywords
transmitter
photoelectric
signal
pulses
rotor
Prior art date
Application number
SE7906890A
Other languages
English (en)
Swedish (sv)
Other versions
SE7906890L (sv
Inventor
G Stanzani
Original Assignee
Datalogic Spa
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 Datalogic Spa filed Critical Datalogic Spa
Publication of SE7906890L publication Critical patent/SE7906890L/xx
Publication of SE439557B publication Critical patent/SE439557B/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
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/18—Detecting, e.g. by using light barriers using one transmitter and one receiver using mechanical scanning systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Presses And Accessory Devices Thereof (AREA)
SE7906890A 1978-08-25 1979-08-17 Fotoelektrisk barrier SE439557B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03518/78A IT1161307B (it) 1978-08-25 1978-08-25 Barriera fotoelettrica in particolare dispositivo di sicurezza

Publications (2)

Publication Number Publication Date
SE7906890L SE7906890L (sv) 1980-02-26
SE439557B true SE439557B (sv) 1985-06-17

Family

ID=11108884

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7906890A SE439557B (sv) 1978-08-25 1979-08-17 Fotoelektrisk barrier

Country Status (9)

Country Link
US (1) US4310836A (de)
JP (1) JPS5547470A (de)
CA (1) CA1129047A (de)
CH (1) CH645962A5 (de)
DE (1) DE2932830A1 (de)
FR (1) FR2434332A1 (de)
GB (1) GB2034024B (de)
IT (1) IT1161307B (de)
SE (1) SE439557B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923433C2 (de) * 1979-06-09 1984-12-20 Günter Dipl.-Phys. Dr. 7000 Stuttgart Haag Einbruchsicherung für Flächen
DE2927845C3 (de) * 1979-07-10 1982-01-28 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Einen Taktmaßstab aufweisender Lichtvorhang
WO1983001855A1 (en) * 1981-11-19 1983-05-26 Minnesota Mining & Mfg Optically based intrusion detector
US4980547A (en) * 1985-05-24 1990-12-25 Wells-Gardner Electronics Corp. Light distribution and detection apparatus
PL144670B1 (en) * 1985-06-14 1988-06-30 Kombinat Urz Dzen Mechanicznych >>Bumarlabedy<< Osrodek Badawczorozwojowy Urz Dzen Mechanicznych Protective guard with a contactless obstacle detection system
JPH0452698Y2 (de) * 1985-12-26 1992-12-10
US4893005A (en) * 1986-04-11 1990-01-09 Development/Consulting Associates Method and apparatus for area and perimeter security with reflection counting
DE3641926C1 (de) * 1986-12-09 1988-04-28 Sick Optik Elektronik Erwin Autokollimationslichtvorhang
DE3707986A1 (de) * 1987-03-12 1988-09-22 Sick Optik Elektronik Erwin Reflexionslichtschranke
DE3707978C1 (de) * 1987-03-12 1988-03-17 Sick Optik Elektronik Erwin Lichtvorhang
GB2207999B (en) * 1987-08-13 1992-04-22 Memco Med Ltd Safety systems
US5077467A (en) * 1990-09-12 1991-12-31 Triad Controls, Inc. Photoelectric switch and relay system with disabling fail-safe monitoring circuitry
DE4202057C2 (de) * 1992-01-25 1993-12-09 Werner Pfleiderer Gmbh Elektro Schutzvorrichtung zum Überwachen und Absichern von Zugangsbereichen in Lagerräumen
FR2716542A1 (fr) * 1994-02-18 1995-08-25 Gallet Sa Barrière lumineuse à réflecteur parabolique.
DE19723974A1 (de) * 1997-06-06 1998-12-17 Draexlmaier Lisa Gmbh Verfahren zum Verhindern des Einklemmens eines Fremdkörpers und Einklemmschutzsystem
US6745146B1 (en) * 1998-10-30 2004-06-01 Avaya Technology Corp. Automated test system and method for device having circuit and ground connections
US7295831B2 (en) * 2003-08-12 2007-11-13 3E Technologies International, Inc. Method and system for wireless intrusion detection prevention and security management
CN102629539B (zh) * 2012-04-11 2015-01-07 浙江江山三友电子有限公司 一种灯管漏气或不通电和不释汞的检测控制系统及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108327B (de) * 1954-11-25 1961-06-08 Lothar Franke Strahlengitterschranke
US3119103A (en) * 1961-01-03 1964-01-21 Union Carbide Corp Continuously self-checking scanner alarm system
GB1164793A (en) * 1966-04-05 1969-09-24 Photain Controls Ltd Photo-electric Detection Devices
GB1218412A (en) * 1968-04-24 1971-01-06 Radiovisor Parent Ltd Improvements in or relating to guards for presses and like machinery
US3543260A (en) * 1968-07-24 1970-11-24 Honeywell Inc Self checking interuder and fire detector units and system
DE2329938C3 (de) * 1973-06-13 1981-02-19 Rheometron Ag, Basel (Schweiz) Lichtgitter
US3970846A (en) * 1973-10-29 1976-07-20 Xenex Corporation Presence detecting system with self-checking
FR2283494A2 (fr) * 1974-09-02 1976-03-26 Cometa Procede et dispositif de balayage photoelectrique
US3928849A (en) * 1974-12-17 1975-12-23 Us Energy Intrusion detector self-test system
DE2532602C3 (de) * 1975-07-21 1979-07-05 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optische Vorrichtung mit einem Lichtvorhang

Also Published As

Publication number Publication date
IT1161307B (it) 1987-03-18
SE7906890L (sv) 1980-02-26
JPS5547470A (en) 1980-04-03
FR2434332A1 (fr) 1980-03-21
GB2034024B (en) 1983-05-05
GB2034024A (en) 1980-05-29
IT7803518A0 (it) 1978-08-25
FR2434332B1 (de) 1984-04-27
US4310836A (en) 1982-01-12
CA1129047A (en) 1982-08-03
DE2932830A1 (de) 1980-04-03
CH645962A5 (de) 1984-10-31

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