SE372085B - - Google Patents

Info

Publication number
SE372085B
SE372085B SE7302757A SE7302757A SE372085B SE 372085 B SE372085 B SE 372085B SE 7302757 A SE7302757 A SE 7302757A SE 7302757 A SE7302757 A SE 7302757A SE 372085 B SE372085 B SE 372085B
Authority
SE
Sweden
Application number
SE7302757A
Inventor
L Svensson
Original Assignee
L Svensson
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 L Svensson filed Critical L Svensson
Priority to SE7302757A priority Critical patent/SE372085B/xx
Priority to DE19742409113 priority patent/DE2409113B2/de
Priority to US446423A priority patent/US3875403A/en
Publication of SE372085B publication Critical patent/SE372085B/xx

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
SE7302757A 1973-02-27 1973-02-27 SE372085B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE7302757A SE372085B (de) 1973-02-27 1973-02-27
DE19742409113 DE2409113B2 (de) 1973-02-27 1974-02-26 Lichtschrankenanordnung
US446423A US3875403A (en) 1973-02-27 1974-02-27 Light beam apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7302757A SE372085B (de) 1973-02-27 1973-02-27

Publications (1)

Publication Number Publication Date
SE372085B true SE372085B (de) 1974-12-09

Family

ID=20316754

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7302757A SE372085B (de) 1973-02-27 1973-02-27

Country Status (3)

Country Link
US (1) US3875403A (de)
DE (1) DE2409113B2 (de)
SE (1) SE372085B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283494A2 (fr) * 1974-09-02 1976-03-26 Cometa Procede et dispositif de balayage photoelectrique
CA1087274A (en) * 1976-09-02 1980-10-07 William F. Jacobsen Pulsed level sensor
US4224608A (en) * 1978-11-13 1980-09-23 Detection Systems, Inc. Single terminal detection system
SE428250B (sv) * 1979-05-31 1983-06-13 Bert Jonsson Fotoelektrisk anordning for avkenning av foremal
ES8201716A1 (es) * 1979-09-10 1981-12-16 Gordon Ambler Kenneth Un metodo y un aparato de deteccion de miembros opacos que se hallan dentro de un espacio de deteccion.
US4317992A (en) * 1979-12-10 1982-03-02 Honeywell Inc. Object detecting apparatus
JPS601724B2 (ja) * 1980-05-20 1985-01-17 松下電工株式会社 光継電器
DE3509096A1 (de) * 1985-03-14 1986-09-25 Heinrich 3550 Marburg Sälzer Verfahren und einrichtung zur ueberwachung einer oeffnung
US4959805A (en) * 1987-03-17 1990-09-25 Alps Electric Co., Ltd. Coordinate detecting device
US4851746A (en) * 1987-04-15 1989-07-25 Republic Industries, Inc. Sensing apparatus for automatic door
DE3803033A1 (de) * 1988-02-02 1989-08-10 Sick Erwin Gmbh Lichtschrankengitter
US4903009A (en) * 1988-05-18 1990-02-20 Eastman Kodak Company Intrusion detection device
GB2254916B (en) * 1991-04-15 1993-12-22 John Trett Detection systems
IL105543A (en) * 1993-04-28 1997-04-15 Elisra Electronic Systems Ltd System for monitoring a multiplicity of doors
DE4338978C2 (de) * 1993-11-15 1998-05-07 Sick Ag Verfahren zur Feststellung defekter Lichtsender und/oder Lichtempfänger eines Lichtgitters und Lichtgitter
DE4344321C2 (de) * 1993-12-23 1997-04-30 Siemens Ag Betriebsverfahren eines Lichtschrankenmoduls für automatisch arbeitende Türsysteme und hierfür geeignetes Lichtschrankenmodul
CN1121039A (zh) * 1994-09-16 1996-04-24 P·J·汤姆生 电梯探测器
DE69507485T3 (de) 1995-10-27 2003-12-18 Bankom Security Systems Ltd Überwachungssystem für eine Vielzahl von Türen
GB2309552B (en) * 1996-01-25 2000-01-19 Rwl Consultants Ltd Failsafe system monitoring
DE19605102A1 (de) * 1996-02-12 1997-08-14 Siemens Nixdorf Inf Syst Infrarot-Sicherungssystem
DE19715098B4 (de) * 1997-04-11 2004-12-23 Schneider Electric Gmbh Überwachungsschaltung
DE19912142A1 (de) * 1999-03-18 2000-10-19 Fotoelektrik Pauly Gmbh & Co K Lichtschranke mit Überwachungsschaltung
US6166371A (en) * 1999-04-30 2000-12-26 Beckman Coulter, Inc. Diffuse reflective light curtain system
CA2482462A1 (en) 2002-04-19 2003-10-30 Hill-Rom Services, Inc. Hospital bed obstacle detection device and method
US11406548B2 (en) 2018-09-27 2022-08-09 Hill-Rom Services, Inc. Obstacle detection IR beam filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2007840C3 (de) * 1970-02-20 1979-11-15 Endl, Alfons, 8000 Muenchen Lichtschrankengitter
US3746863A (en) * 1972-03-15 1973-07-17 Exotron Ind Ltd Light curtain control for a switch
US3805061A (en) * 1973-04-23 1974-04-16 Tyco Laboratories Inc Object detecting apparatus

Also Published As

Publication number Publication date
DE2409113B2 (de) 1977-06-02
US3875403A (en) 1975-04-01
DE2409113A1 (de) 1974-08-29

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