WO2011094848A1 - Système virtuel de protection pour la bordure d'un objet et système de détection associé - Google Patents

Système virtuel de protection pour la bordure d'un objet et système de détection associé Download PDF

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Publication number
WO2011094848A1
WO2011094848A1 PCT/CA2011/000124 CA2011000124W WO2011094848A1 WO 2011094848 A1 WO2011094848 A1 WO 2011094848A1 CA 2011000124 W CA2011000124 W CA 2011000124W WO 2011094848 A1 WO2011094848 A1 WO 2011094848A1
Authority
WO
WIPO (PCT)
Prior art keywords
waveguide
detecting
door
edge
detector assembly
Prior art date
Application number
PCT/CA2011/000124
Other languages
English (en)
Inventor
Uri Agam
Pino Marcovecchio
Elad Wallach
Original Assignee
Sensotech Inc.
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 Sensotech Inc. filed Critical Sensotech Inc.
Priority to CA2790936A priority Critical patent/CA2790936A1/fr
Publication of WO2011094848A1 publication Critical patent/WO2011094848A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/432—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/148—Windows
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
    • E05Y2900/531—Doors

Definitions

  • Systems and methods are known in the art to detect the presence of a person or object at the entrance of an automatic door, power window, power roof, and other similar systems. These systems usually include infrared (IR) and/or microwave detector above the door which register the increase of frequency of the emitted beam returning to the detector as a person moves towards the entrance or stands in the door path, and more generally sense the presence of the objects to be detected and that may be obstructed by the door movements. Other systems using active IR and acoustic sensor are also known.
  • IR infrared
  • microwave detector above the door which register the increase of frequency of the emitted beam returning to the detector as a person moves towards the entrance or stands in the door path, and more generally sense the presence of the objects to be detected and that may be obstructed by the door movements.
  • Other systems using active IR and acoustic sensor are also known.
  • a drawback of such systems is that they use relatively wide detecting beams which aim at covering a wide area/volume.
  • a system for detecting a body adjacent an edge of an object is therefore desired.
  • a virtual protecting system to protect from a collision with an edge of an object a body adjacent the edge is also desired.
  • one or more ultrasonic waveguides are used to create a controlled wave leak to yield a virtual wall having a predetermined length, as measured from the waveguide, and a controlled width which may be used to detect the presence of an object in the vicinity of the wave guide system.
  • a virtual edge protecting system includes ultrasound emitter and receiver assemblies each mounted to a waveguide.
  • the system When such a system is mounted to a door assembly including a single door, the system includes a single or two ultrasound assemblies and corresponding waveguides that are mounted to the door or to the door frame, along the edge thereof.
  • An ultrasound emitter/receiver assembly project ultrasound beams to a predetermined distance from the edge thereby creating a virtual edge in front the physical edge of the door.
  • An ultrasound receiver assembly is provided to detect the entrance of a body in the virtual edge.
  • the ultrasound emitter and receiver assemblies are connected to a controller which is configured to excite the transmitter and receive signals from the ultrasound receiver and to command the operation of the door should a body or target contact/enter the virtual edge or to send a signal indicative of the body contacting the virtual edge to a dedicated door controller.
  • the virtual protecting system is configured so that a sound or audio alarm signal is emitted when the body contacts the virtual edge or so as to modify the operation of the door.
  • a virtual protecting moving or stationary edge protector and or perimeter protection according to other embodiments of the present invention can be adapted to operate on a door assembly having two edges such as in a door assembly provided with two doors.
  • a system for detecting a body adjacent an edge of an object comprising:
  • At least one waveguide mounted to the edge of the object therealong; the at least one waveguide including at least one wave leaking aperture;
  • a detector assembly mounted to the at least one waveguide i) for emitting detecting waves along the waveguide and through the wave leaking aperture, ii) for detecting a reflection indicative of the body adjacent the waveguide, and iii) for generating a signal responsive to the reflection; the detector assembly together with the waveguide being characterized by a detecting range defined by a travelling distance of the detecting waves from the edge; [0015] whereby, in operation, the body is detected by the detector assembly when it is within the detecting range.
  • a virtual protecting system to protect from a collision with an edge of an object a body adjacent the edge:
  • At least one waveguide mounted to the edge of the object therealong; the at least one waveguide including at least one wave leaking aperture;
  • a detector assembly mounted to the at least one waveguide for emitting detecting waves along the waveguide and through the at least one wave leaking aperture, for detecting a reflection indicative of the body adjacent the waveguide, and for generating a detecting signal responsive to the reflection; the detector assembly together with the waveguide being characterized by having a detecting range defined by a travelling distance of the detecting waves from the edge; and
  • a system controller connected to the as least one detector assembly to receive the detecting signal and to trigger an alarm signal in response to the detecting signal;
  • the movable edge is the edge of a door such as, without limitation, a power door, and for a window, a sunroof trunk closure, etc.
  • a system for detecting a body adjacent an edge of an object can be used as part of a perimeter detection system.
  • a perimeter protecting system for detecting a body entering at least the edge of a zone to protect comprises:
  • At least one waveguide positioned along the edge; the at least one waveguide including at least one wave leaking aperture;
  • a detector assembly mounted to the object i) for emitting detecting waves along the waveguide and through the wave leaking aperture, ii) for detecting a reflection indicative of the body adjacent the waveguide, and iii) for generating a signal responsive to the reflection; the detector assembly together with the waveguide being characterized by a detecting range defined by a travelling distance of the detecting waves from the edge;
  • the body is detected by the detector assembly when it is within the detecting range.
  • body is to be construed herein broadly so as to include any animate or inanimate object, any living entity including a person, an animal or plant, an object, a projectile, or any part or combination thereof.
  • hole is not to be limited to a circular opening and should be construed to an opening of any shape. Also, in the context of a hole in a waveguide, it is to be construed also as including or not a horn in the waveguide which has its distal end terminating at the hole or extending partially through the hole.
  • Figure 1 is a front elevation of a system for detecting a body adjacent the edge of a door according to a first embodiment;
  • Figure 1 illustrating the use of two waveguides, each with a set of holes to create a controlled leak of ultrasounds and create a virtual edge; one waveguide emitting ultrasound beams and the other receiving reflections of the beams on a target;
  • Figure 2 is partly a top plan view of the detector system from
  • Figure 1 and partly a schematic view of a virtual protecting system to protect from a pivoting door edge a body adjacent the edge according to a first embodiment, the protecting system including the moving edge detecting system from Figure 1 ;
  • Figure 3 is a front elevation of an edge detecting system according to a second embodiment of the present invention.
  • Figure 3 illustrating the use of a slit so as to control the leak of ultrasounds and create a virtual edge;
  • Figure 4 is a front elevation of the detecting system from
  • Figure 3 illustrating that the detecting path (time of flight) is constant for all body located at a same distance from the door edge;
  • Figure 5 is a cross section view of the system from Figure 4;
  • Figures 6 is a top plan view of a virtual edge detecting system according to a third embodiment
  • Figure 7 is a front elevation of a virtual edge detecting system according to a fourth embodiment
  • Figure 8 is a front elevation of an edge detecting system according to a fifth embodiment; illustrating the use of holes as a leak method.
  • Figures 9A-9B are respectively a front elevation and a top plan view of an edge protecting system according to a sixth embodiment.
  • a virtual protecting system 10 for an edge protecting system according to a first embodiment is illustrated in Figures 1 and 2.
  • the movable edge is the distal edge of a pivoting power door (not shown).
  • the system 10 comprises a detector assembly including ultrasound emitter 12 and receiver 14, each mounted in a respective ultrasound waveguide 16 and 16' adjacent one of their respective longitudinal end.
  • Each waveguide 16 and 16', together with the respective emitter 12 and receiver 14, define an ultrasound leaking channel as will be explained hereinbelow, the emitter /receiver being switchable even while the system is in operation.
  • the two ultrasound waveguides 16 and 16' are mounted side by side on a door side edge (not shown) along thereof.
  • the length of the waveguides 16 and 16' and their position along the edge of the door depend on the desired zone of coverage as will be become more apparent upon reading the following description.
  • the waveguides 16 and 16' are in the form of elongated tubular bodies including evenly or unevenly distanced holes 18 and 18' practiced therein.
  • the waveguides 16 and 16' are made of any hard or resilient materials including without limitations, a polymeric material, a metal, wood, a composite material, etc.
  • the ultrasound emitter 12 is operated so as to emit ultrasound beams 20 within the waveguide 16 which then leak through the holes 18 along the door edge yielding a same number of detecting beams 20 than of holes 18 in the waveguide 16.
  • the ultrasound receiver 14 is configured so that, considering its position within the waveguide 16' and the configuration of the waveguide 16', it receives the reflection 20 from a target 30 located within a similar range than the emitting range of the emitter 12, defining a virtual edge therewith.
  • the waveguides 16 and 16' are configured and sized for mounting onto the door edge and can take other forms, as will be described furtherin, such as the more compact arrangement illustrated in Figures 8A-8B.
  • the ultrasound channels can be assembled in the door or the door frame (not shown).
  • the detector assembly is further configured with conventional controlling electronics 11 and algorithms that are used to trigger the ultrasound transducers 12 and 14 and to construe the signals received therefrom. Such electronics and algorithms can be conceived so as to render the system 10 switchable. In additional, the detector assembly is configured so as to generate a detecting signal responsive to reflections received from the receiver 14 as an object or more generally a body enters the virtual edge defined by the beams 20.
  • the detector assembly defines with the waveguides 16 and
  • the virtual protecting system 10 comprises a controller 21 coupled to the detector assembly 10, and more specifically to its controller 11 , to receive the detecting signal therefrom and to trigger an alarm/action signal in response to the detecting signal.
  • the controller 21 can further be configured and used for controlling the detecting distance from the edge and the sensitivity therealong.
  • the ultrasound emitter 12 emits ultrasound waves in its waveguide 16 which exits in the plurality of corresponding holes 18 so as to create a plurality of ultrasound detecting beams 20. Controlling the position and size of the holes 18 allows creating a full or partial virtual wall by controlling the ultrasound leak and the shape thereof.
  • Echoes 22 resulting from the reflection of the detecting beams 20 enter the waveguide 16' of the receiving channel and are detected by the ultrasound receiver 14, which then emits a signal which is indicative of the presence of an object, person or of any physical body in the virtual edge of the door.
  • the virtual protecting system controller 21 is coupled to the power door controller 23 so that, upon receipt of the detecting signal from the detector controller 1 , the virtual protecting signal controller 21 generates an alarm/action signal that it sends to the power door controller 23.
  • the power door controller 23 is programmed so as to respond to the alarm/action signal by performing a predetermined action such as, without limitations, stopping any movement of the door, reversing the movement of the door, emitting a sound alarm, etc.
  • the virtual protecting system controller 21 is then for example configured to emit sounds and is further so configured or programmed that the alarm/action signal is a sound.
  • Figure 2 includes distinct controllers for the detector assembly and the virtual protecting system, a virtual protecting system to protect from a movable edge of an object a body adjacent the edge according to another embodiment can include a single controller (not shown) programmed for both set of functions.
  • the coupling between the transducers 12 and 14 and the controller 11 and between the controllers 11 , 21 and 23 can be achieved using appropriate wirings or using any well-known wireless connection means.
  • a system for detecting a body adjacent an edge of an object is not limited to such an embodiment.
  • one or both of the transducers 12 and 14 are located outside the waveguides 16 and/or 16' and the produced ultrasound beams 20 and resulting echoes 22 are further guided in the waveguides 16 and 16' respectively using further waveguides, reflectors, appropriate orientations of the transducers 12 and 14 or any combinations thereof.
  • the transducers 12 and 14 are mounted in the door.
  • a set of waveguides connected to each other is used so as to increase the length and sensitivity of the sensor system.
  • a system for detecting a body adjacent an edge of an object is not limited to having one or more waveguides as illustrated in Figure 1 , and more specifically provided with holes to create a controlled wave leak.
  • Figures 3 to 5 illustrates a system 24 for detecting a body adjacent an edge of an object (both the object and the edge thereof being not shown) according to a second embodiment.
  • the two adjacent waveguides 28 are provided with respective longitudinal slits 26 instead of holes.
  • the emitter 12 and receiver 14 are mounted in their respective waveguide 28 in opposite longitudinal sides thereof.
  • This arrangement results in the detecting paths (schematically represented by the dashed lines 34 and 36) having the same length for all bodies 30 and 32 positioned at a same distance (H) from the detecting arrangement 24 transversally thereof, regardless of their longitudinal position along the arrangement 24.
  • the virtual edge extends at least up to the distance H. This configuration allows improving control and limiting the sensitive region.
  • the system controller can be configured with different sensitivity so that the distance control is based on time.
  • the configuration illustrated in Figure 4 further allows providing in the system controller 21 different sensitivities for different distances ⁇ '.
  • waveguides provided with slits can be used in a system where the emitter 2 and receiver 14 are not mounted in their respective waveguide in opposite longitudinal sides thereof.
  • a virtual edge protecting system 40 according to a third embodiment will be described with reference to Figure 6.
  • the system 40 allows protecting a body (not shown) from a collision with i) the free edge 42 of a pivoting door 46 and the ii) edge 44 of the door frame 45 which receives the free edge 42 of the door 46 when the door 46 is closed. Since the system 40 is similar to the system 24, and for concision purposes, only the differences between the two systems 40 and 24 will be described herein.
  • the system 40 includes two waveguides (shown) each receiving a respective ultrasound transducer (not shown).
  • One of the ultrasound transducer is configured and operated as an ultrasound transmitter and other one as a receiver.
  • An ultrasound beam is therefore emitted in one waveguide so as to create a detecting area 41 that the receiver in the other waveguide will see within its own detecting area 43. If there is a 'target' in the protected region, the reflection results in a signal on the receiving side.
  • Both detecting plan 41 and 43 define virtual edges, or planes, on each side of the entrance 47. As long as the target intercepts the emitting beam it will be reflected into the receiving channel on the opposite side.
  • the emitting beam is switched from side to side to improve coverage of the gap between the door edge 44 and the frame 45 and for the edge 42 of the door 46.
  • the controller (not shown) of the virtual edge protecting system is coupled to the door controller (not shown) so that in operation, the protecting system controller 40 receives door position readings from the door controller and uses these readings to adapt the detecting ranges or the detecting sensitivity of the system. More specifically, the detecting threshold can be modified as a function of the door position and as a function of the distance ( ⁇ ') from the waveguide or as a combination of both. This results in a change of shape and/or dimension of the detecting area 41 and 43.
  • Figure 7 shows a virtual edge detecting system 50 according to a fourth embodiment. Since the system 50 is similar to the system 40, only the differences between the two systems 50 and 40 will be described herein.
  • the system 50 comprises a first waveguide 28 mounted to the edge 52 of a sliding door 53 and a second waveguide 28 mounted to the edge 51 of the door frame 55.
  • the system 50 further comprises two ultrasound transducers (not shown), an emitter and a receiver, each mounted in a respective waveguide 28.
  • the range of the detecting beams 54 and of the receiver 54' are adapted to the position of the door 53 so that the receiver sees the transmitter at all time, except when a body (not shown) crosses the entrance.
  • Adapting these ranges can be achieved by implementing an algorithm in the system controller (not shown) which allows modifying the ranges dynamically so that the signals indicative of the detection of the emitting beams 54 remain within a predetermined range of values.
  • a body would then be detected when it enters into the virtual wall created by the transmitting and receiving unit from either side.
  • the obstruction created by the body is detected by the receiver. This corresponds to a crossing mode of operation using waveguides thereby reducing the number of sensors used to cover the complete entrance.
  • system 50 can be adapted for a pivoting door assembly such as illustrated in Figure 6. Furthermore, by adding receiver and transmitter waveguides on opposite sides, the system can switch between the modes of operation described with reference to Figures 6 and 7.
  • a virtual edge detecting system similar to the system 50 wherein the waveguides 28 are replaced with waveguides having another configuration, such as waveguides with holes, can further be provided.
  • Figure 8 illustrates a moving edge virtual protecting system 56 according to a fifth embodiment.
  • the system 56 is illustrated mounted to a double sliding door assembly 58 and is operated in the crossing- mode.
  • the system 56 includes first and second waveguides 16, each mounted to one of the opposite facing edges 58 of the two sliding doors 60.
  • An ultrasound emitter 62 is mounted in one of the two waveguides 6 and an ultrasound receiver 64 is received in the other.
  • the two transducers are positioned in their respective waveguide 16 and driven so as to operate in a crossing mode as described hereinabove with reference to Figure 7.
  • the beam range 68 and detection range 69 are adapted to the door position as described hereinabove so that they overlap.
  • the receiver 64 fails to receive a signal whenever a body crosses the detecting path 66, which results in the detection of said body.
  • the two transducers 62 and 64 are further positioned at opposite longitudinal ends of the waveguides as described with reference to Figure 4.
  • a virtual system to protect from a collision with an edge of an object a body adjacent the edge can be adapted so as to be mounted on a single movable edge, on two movable edges, or onto both a fixed edge and a movable edge for example.
  • the waveguide can take other configurations as may be dictated for example by the applications.
  • the receiver and transmitter waveguides 72 and 74 are cotangential cylinders, the transmitter cylinder 74 being inserted in the receiver cylinder 72, wherein the ultrasound detecting beam (not shown) is emitted from a central slit 76 practiced in both cylinders 72 and 74 and the reflection thereof are received in two lateral slits 78 in the cylinder 72 and which are generally parallel the central slit 76.
  • the previous waveguides are provided with holes instead of slits.
  • the emitter and transducer pair can be substituted in most application by a single transducer configured and controlled so as to act both as emitter and receiver;
  • a single waveguide can be used, with the transmitter/receiver pair mounted therein or a single transceiver can be used therein;
  • the waveguides can take other forms and sizes and can for example be bent;
  • the aperture(s) in the waveguide(s) can take other forms than the holes or the slit so as to allow the detecting beam to exit the first waveguide on the transmitter side and to enter the second waveguide on the receiver side;
  • the controller of the system can be configured to operate so as to create one or two virtual edges in a ranging mode of operation or to create an acoustic barrier between the door and the frame or between two doors; the system can further be configured so as to switch from one operational mode to the other, depending for example on the position of the door; and [0088] - even though the system described hereinabove are configured to operate in the acoustic domain, they can be modified so as to operate with other wave, such as optical waves, etc.
  • an adaptive threshold method such as the one described in the United States Patent No. 7, 30,244 B2, issued on October 31 st , 2006 to Gal et al. and titled “Device and Method for Adaptive Ultrasound Sensing", which is incorporated herewith by reference can be used by the virtual protecting system controller or by the sensor assembly controller to determine a different sensitivity according to the distance from the edge of the object.

Abstract

Des modes de réalisation de la présente invention concernent un système destiné à la détection d'un corps à proximité de la bordure d'un objet, comprenant : au moins un guide d'onde monté sur la bordure de l'objet et le long de celle-ci, comprenant au moins une ouverture de fuite d'onde ; un ensemble détecteur monté sur l'objet de façon à émettre des ondes de détection le long du guide d'onde et à travers celui-ci, afin de détecter une réflexion indicatrice du corps à proximité du guide d'onde, et afin de générer un signal en réponse à la réflexion. L'ensemble détecteur, avec le guide d'onde, est caractérisé par un domaine de détection, et définit une bordure virtuelle dans le domaine de détection le long de la bordure de l'objet. En fonctionnement, un corps est détecté par l'ensemble détecteur lorsqu'il entre dans la bordure virtuelle. Des modes de réalisation de l'invention concernent également un système virtuel de protection permettant de protéger un corps situé à proximité d'une bordure d'objet contre une collision avec la bordure de l'objet, comprenant le système virtuel de détection décrit ci-dessus et un dispositif de contrôle couplé audit ou auxdits ensembles détecteurs afin de recevoir le signal de détection et déclencher un signal d'alarme en réponse au signal de détection.
PCT/CA2011/000124 2010-02-05 2011-01-31 Système virtuel de protection pour la bordure d'un objet et système de détection associé WO2011094848A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2790936A CA2790936A1 (fr) 2010-02-05 2011-01-31 Systeme virtuel de protection pour la bordure d'un objet et systeme de detection associe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2691924A CA2691924A1 (fr) 2010-02-05 2010-02-05 Systeme de protection virtuelle de l'operateur
CA2,691,924 2010-02-05

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6344642B1 (en) * 1995-11-05 2002-02-05 Sensotech Ltd. Door control apparatus
US20030122514A1 (en) * 2001-12-11 2003-07-03 B.E.A. Holdings, Inc. Unitary trifunctional door manager and method
EP1619342A1 (fr) * 2004-07-22 2006-01-25 Bea S.A. Dispositif thermo-sensible de détection de présence autour de portes automatiques
EP1686229A1 (fr) * 2005-01-21 2006-08-02 Optex Co., Ltd. Détecteur pour portes automatiques
US7130244B2 (en) * 2002-12-27 2006-10-31 Eli Gal Device and method for adaptive ultrasound sensing
WO2008084058A2 (fr) * 2007-01-12 2008-07-17 4 Tec Ag Capteur radar pour la commande de portes automatiques, porte automatique comportant un tel capteur radar et procédé d'utilisation d'une telle porte
US7495556B2 (en) * 2005-01-21 2009-02-24 B.E.A. S.A. Sensor for use with automatic doors
WO2009105876A1 (fr) * 2008-02-27 2009-09-03 Sensotech Inc. Détecteur de présence pour un ensemble porte
CA2716001A1 (fr) * 2008-02-25 2009-11-19 L-3 Communications Cyterra Corporation Detection d'une entite en mouvement
WO2009142610A1 (fr) * 2008-05-21 2009-11-26 Otis Elevator Company Protection de zone de porte

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6344642B1 (en) * 1995-11-05 2002-02-05 Sensotech Ltd. Door control apparatus
US20030122514A1 (en) * 2001-12-11 2003-07-03 B.E.A. Holdings, Inc. Unitary trifunctional door manager and method
US7130244B2 (en) * 2002-12-27 2006-10-31 Eli Gal Device and method for adaptive ultrasound sensing
EP1619342A1 (fr) * 2004-07-22 2006-01-25 Bea S.A. Dispositif thermo-sensible de détection de présence autour de portes automatiques
EP1686229A1 (fr) * 2005-01-21 2006-08-02 Optex Co., Ltd. Détecteur pour portes automatiques
US7495556B2 (en) * 2005-01-21 2009-02-24 B.E.A. S.A. Sensor for use with automatic doors
WO2008084058A2 (fr) * 2007-01-12 2008-07-17 4 Tec Ag Capteur radar pour la commande de portes automatiques, porte automatique comportant un tel capteur radar et procédé d'utilisation d'une telle porte
CA2716001A1 (fr) * 2008-02-25 2009-11-19 L-3 Communications Cyterra Corporation Detection d'une entite en mouvement
WO2009105876A1 (fr) * 2008-02-27 2009-09-03 Sensotech Inc. Détecteur de présence pour un ensemble porte
WO2009142610A1 (fr) * 2008-05-21 2009-11-26 Otis Elevator Company Protection de zone de porte

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Publication number Publication date
CA2691924A1 (fr) 2011-08-05
CA2790936A1 (fr) 2011-08-11

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