EP1598518A1 - System zur Erkennung von Hindernissen - Google Patents

System zur Erkennung von Hindernissen Download PDF

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Publication number
EP1598518A1
EP1598518A1 EP04252951A EP04252951A EP1598518A1 EP 1598518 A1 EP1598518 A1 EP 1598518A1 EP 04252951 A EP04252951 A EP 04252951A EP 04252951 A EP04252951 A EP 04252951A EP 1598518 A1 EP1598518 A1 EP 1598518A1
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EP
European Patent Office
Prior art keywords
obstruction
moving member
door
detecting
movement
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.)
Granted
Application number
EP04252951A
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English (en)
French (fr)
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EP1598518B1 (de
Inventor
Gary Ryecroft
Derek Ruddock
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.)
Yorkshire Technology Ltd
Original Assignee
P D Technology Ltd
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 P D Technology Ltd filed Critical P D Technology Ltd
Priority to AT04252951T priority Critical patent/ATE491857T1/de
Priority to DE602004030537T priority patent/DE602004030537D1/de
Priority to EP04252951A priority patent/EP1598518B1/de
Publication of EP1598518A1 publication Critical patent/EP1598518A1/de
Application granted granted Critical
Publication of EP1598518B1 publication Critical patent/EP1598518B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling

Definitions

  • the present invention relates to a device, system and method for detecting an obstruction of an automated door, in particular a roller shutter door.
  • Roller shutter, up and over and other automated doors are often used in industrial units, commercial shop fronts, garages and the like. These doors are frequently electrically automated, by means of an electric motor, to open or close. It is a requirement that some form of safety system is employed to minimise or eliminate the risk to people or other obstacles which may be present in the path of a closing automated door, particularly to prevent a closing automated door causing harm by crushing, drawing-in or trapping.
  • Crushing, drawing-in and trapping of an obstruction can occur between a main closing edge of any door and an opposing edge such as the floor, and between secondary closing edges of hinged, folding, tilting and sliding doors; between closing edges and obstacles within a closing area of each leaf of the door; between leaves passing each other during movement of the door; between leaves and fixed objects in the vicinity of each leaf; between gaps and areas adjacent to each leaf which change in size during leaf movement; and parts projecting from each leaf.
  • an obstruction means any object within the vicinity of the door likely to cause harm in any of the above ways.
  • an optical safety system such as an Electro-Sensitive Protective Equipment (ESPE) system comprising an optical beam, which is used to detect an obstruction and prevent the door closing further when an obstruction is detected.
  • ESE Electro-Sensitive Protective Equipment
  • the ESPE system employs a plurality of optical beams at multiple levels throughout the door travel aperture, these devices only provide limited protection against a closing door trapping an obstruction.
  • an optical beam may be located upon a lower edge of the door.
  • Such door-edge optical systems employ a transmit-receive infrared beam encapsulated in a rubber profile with the transmitter fitted at one end of the door and the receiver fitted at the other.
  • PSPE Pressure Sensitive Protective Equipment
  • the PSPE comprises an elongate edge switch running along the underside of the door, for example a pair of separated metallic strips located in a rubber housing may be used.
  • the metallic strips are arranged to rest a small distance apart and at one end of the switch a fixed end-of-line resistor connects the two separate metal contacts, providing a normally closed conduction path with a fixed resistance value.
  • the end-of-line resistor is replaced by a diode. Since the metallic strips are located within a flexible structure, when the leading edge of the door contacts with an object, the applied pressure causes the rubber moulding to deform and the metallic strips to contact together, forming a closed switch, bypassing the end of line resistor or diode.
  • a control system usually located integral to an electrical motor automating the door, monitors the fixed resistance path or optical beam. Upon an obstruction being detected in the path of the door, the control system detects the change in resistance of the edge switch or break in the optical beam and switches off the electrical motor automating the door. An electrical connection between the control system and the edge-switch is needed to allow monitoring of the detection device by the control system. In order to prevent the electrical connection from becoming a safety hazard in itself, the connecting cable is required to be self-coiling or mechanically controlled so as to retract any excess cable.
  • An aim of the present invention is to provide an obstruction detection system that eliminates the safety risk posed by the electrical cabling connecting the control system and the obstruction detection device.
  • a device which is arrangeable in use to detect an obstruction of a moving member, comprising:
  • control unit is arranged to selectively operate the device in a low-power operating mode and a normal operating mode.
  • control unit is arranged to reduce an operating voltage of the device.
  • the device is arranged to selectively operate in a low-power sleep mode.
  • the wireless transmission means is a digital radio transmitter.
  • the contact detection means is a pressure sensitive switch.
  • the device preferably comprising:
  • the direction detecting means comprises:
  • the device preferably comprising:
  • the movement detection means comprises a vibration sensitive switch.
  • the moving member is an automated door.
  • a safety system for moving a member comprising:
  • a method for use in a device for detecting an obstruction of a moving member comprising the steps of:
  • the method preferably comprising the step of:
  • said changing steps are periodically performed.
  • the method preferably comprising the steps of:
  • the step of detecting an obstruction comprises the step of:
  • the method preferably comprising the step of periodically transmitting to the counterpart wireless device a status signal.
  • a preferred embodiment of the present invention comprises a control unit 10, a contact detection unit 20 and a wireless transmission unit 30.
  • the contact detection unit 20 When the present invention is arranged in use to detect an obstruction of an automated door, the contact detection unit 20 is suitably located on a lower edge of the door to detect contact of the door with an obstruction. In response to the detection of an obstruction, the contact detection unit 20 outputs an electrical obstruction detection signal A1 - A4.
  • the control unit 10 is arranged to receive the obstruction detection signal A1 - A4 output from the contact detection unit 20 and, if it is determined that the door has made contact with an obstruction, further output an obstruction-warning signal DAT1.
  • the wireless transmission unit 30 is arranged to receive the obstruction-warning signal DAT1 and transmit the obstruction-warning signal to a counterpart wireless device (not shown).
  • the counterpart wireless device may be a control device arranged to control operation of the door and may prevent further movement of the door upon receiving the wirelessly transmitted obstruction-warning signal.
  • the counterpart wireless device may reverse the direction of door travel so as to move the door away from the obstruction.
  • a device comprising a contact detection unit 20 for detecting contact of a moving member with an obstruction and a wireless transmission unit 30 eliminates the need to have a fixed physical connection between the device and the counterpart device or control system capable of switching off or preventing further movement of the automated door.
  • control unit 10 is implemented by means of a digital microcontroller 11 and crystal oscillator X1.
  • the device is battery-powered by a battery which is integral to the device, thereby providing an entirely self-contained device requiring no external physical connections.
  • the wireless transmission unit 30 is a radio frequency (RF) modulator 31 capable of modulating the obstruction-warning signal DAT1 onto a radio carrier frequency signal which is transmitted through a suitable antenna 32.
  • RF radio frequency
  • the RF modulator 31 may modulate the data output from DAT1 onto a coded radio transmission signal.
  • a coded radio signal enables multiple wireless devices to operate within range of each other without interference.
  • a door may be opened periodically or infrequently to accept deliveries or at the start of each working day and remain closed at other times. In household environments, opening and closing may be even less frequent, for example weekly. Therefore, in a self-powered safety device, such as the preferred embodiment of present invention, battery life is an important consideration. Should the device fail to provide a signal warning of an obstruction due to battery exhaustion, a safety risk is created.
  • the device is selectively operable in a normal operating mode and a low-power operating mode to extend battery life.
  • the control unit 10 is arranged to selectively control the operating mode of the device, selecting between the normal operating mode and the low-power operating mode as appropriate.
  • the preferred embodiment of the present invention additionally has a low-power operating mode within which the device is still operable, battery life is extended considerably.
  • the device is normally operated at 6 Volts D.C.
  • the wireless transmission unit 30 is operable to transmit the obstruction-warning signal DAT1 to the counterpart wireless device upon detection of an obstruction.
  • Many microcontrollers such as those suitable for use in the preferred embodiment 11, have variable operating voltage requirements and will successfully operate at 2 Volts.
  • the control unit 10 is able to select the low-power operating mode by selectively outputting an operating mode select signal CTRL1, thereby reducing the operating voltage of the device.
  • an operating mode selection unit 40 is arranged to receive the operating mode select signal CTRL1 output from the control unit 10.
  • a switch device SW4 is arranged to receive the signal CTRL1.
  • SW4 is shown as a mechanical switch for clarity. However, as will be appreciated by the skilled person, any switching means may be employed such as MOSFET or other semiconductor based switching device.
  • switching between a reduced voltage low-power operating mode and a normal operating mode is performed by selectively configuring a plurality of power sources BAT1-BAT4 in either a serial or a parallel mode.
  • a plurality of 3 Volt batteries BAT1, BAT2, BAT3, BAT4 are configured in the parallel mode when the switch SW4 is in an open position.
  • a plurality of diodes D1, D2, D3 and D4 are arranged to prevent the batteries BAT1 and BAT2 from becoming reverse polarised with respect to batteries BAT3 and BAT4.
  • the configuration of a plurality of batteries in parallel provides greater current sourcing capabilities than a single battery, thereby improving the operational life of the device, whilst the control unit 10 remains operational.
  • the operating mode selection unit 40 configures the batteries BAT1-BAT4 in the serial mode.
  • the pairs of batteries BAT1, BAT3 and BAT2, BAT4 produce 6 Volts between ground and an output 41 of the operating voltage control unit 40.
  • the normal operating mode of the device is the serial mode in which the device has an operating voltage of 6 Volts and is capable of wirelessly transmitting an obstruction-warning signal to the counterpart wireless device.
  • the configuration of the operating voltage control unit 40 allows a greater level of battery failure tolerance to be achieved. Should a battery from amongst the plurality of batteries BAT1-BAT4 fail, open circuit or become high impedance, the functionality of the present invention is preserved without causing device failure. In this situation, only the functional life of the present invention is reduced due to fewer batteries being operational.
  • the preferred embodiment of the present invention comprises a low-power sleep mode, wherein the power consumption of the device is less than in the low-power operating mode.
  • microcontrollers It is common for microcontrollers to have an in-built sleep mode to place the device in a low-power consumption mode, wherein the operation of the microcontroller is suspended. Use of such a sleep mode further extends the operational life of the present invention. Since operation of the control unit 10 is suspended, when in the low-power sleep mode it is necessary to provide a means of ensuring that any changes in the state of the automated door are detected for safety reasons.
  • the low-power sleep mode of the present invention will be explained in detail later.
  • the contact detection unit 20 in the preferred embodiment comprises a pressure sensitive switch SW3.
  • a pressure sensitive switch to detect contact of the door to which it is mounted with an obstruction advantageously allows effective monitoring of the door throughout the full range of door travel.
  • the pressure sensitive switch SW3 may run the entire length of the leading or underside edge of the door, thereby detecting obstructions across the entire width of the door.
  • the control unit 20 monitors outputs of the contact detection unit A1 and A2.
  • the switch SW3 is arranged to be normally open.
  • resistors R1, R2 and R3 form a potential divider providing outputs A1 and A2 which have different output voltages due to the intervening resistor R2.
  • R2 is located in use at a distal end of the door to the present invention in order to enable effective condition determination of the pressure sensitive switch SW3, even in a failure or a defective mode.
  • control unit 10 monitors the outputs A1 and A2 in order to allow the present invention to detect an open and a closed state of the pressure sensitive switch SW3 and also a defective state.
  • the switch SW3 become defective, for example by causing an entirely open circuit of the potential divider R1-R3, the voltage detected at output A1 would rise to approximately the voltage present at CTRL2, given any voltage drop across the diode LED1 present in the preferred embodiment.
  • the voltage present at A2 would also fall to the ground voltage, indicating a defective state of switch SW3.
  • the present invention could then warn of such a defective state being identified by transmitting a defective state signal to the counterpart wireless device.
  • the present invention When the present invention is arranged to detect an obstruction of an automated door, it will be common for the door to remain in a closed position in contact with the ground for long periods of time. In such a situation, if the present invention continuously monitored the position of switch SW3 or electrical current continuous flowed through any of the potential dividers R1-R3, R4-R5 or R6-R7, the battery life of the device would be reduced considerably. Therefore, in the preferred embodiment of the present invention, the control unit output CTRL2 is only periodically activated or polled. In order for the control unit 10 to detect the state of the switch SW3, the control unit must first output a signal CTRL2 to the contact detection unit 20, during which the outputs A1-A4 would be monitored.
  • the polling of the contact detection unit 20 further reduces the power supply requirements of the present invention.
  • reduced power consumption could be achieved through use of high value resistors to form the potential dividers.
  • high value resistors could cause unreliable switch monitoring due to an extremely low current flow which is comparable with the level of random electrical noise expected.
  • the preferred embodiment of the contact detection unit 20 also comprises a diode LED1 operable by the control unit output CTRL2. Due to the possible short duration of CTRL2 polling, the pulse of light output from LED1 will be barely visible. Therefore, as the skilled person will be aware, the diode LED1 may be replaced with a non light-emitting diode.
  • the use of a diode in series with the contact detection unit SW3 allows the control unit 10 to monitor the output voltage condition of the plurality of batteries BAT1-BAT4 supplying the device by voltage measurement of A1 - A4. If a low battery output voltage is detected, a battery condition warning signal may be transmitted to the wireless counterpart device.
  • the preferred embodiment of the present invention comprises a low-power sleep mode, wherein operation of the present invention is suspended to further conserve battery power.
  • the preferred embodiment comprises a direction detection unit 50 shown in Figure 5.
  • the direction detection unit 50 is arranged to detect a direction of movement of the automated door and, in the preferred embodiment, wake the control unit 10 should the device be in the low-power sleep mode.
  • the present invention When the door has been opened, for example to its full extent, a period of time may pass, during which, the present invention may transfer into its sleep mode to conserve power. Whilst residing in the sleep mode, an operator may activate a door close function and lower the automated door toward an obstruction. If the present invention remained in the sleep mode, a safety risk may arise from not detecting contact of the door.
  • the preferred embodiment of the present invention is arranged to wake upon the direction detecting unit 50 detecting a direction of movement of the door.
  • the direction detection unit can be configured to cause an interrupt of the microcontroller 11 used in the preferred embodiment, as will be appreciated by those skilled in the art.
  • the direction detection unit 50 comprises at least one reed switch SW1, SW2, which is operable in response to a magnetic field.
  • first and second magnets may each be arranged toward an upper and lower extent of the door aperture respectively.
  • the first and second magnets are provided to close the reed switches SW1 and SW2 when a portion of the roller shutter door upon which either of the reed switches are located passes either the first or second magnets.
  • the first and second magnets may each be mounted within a magnet holder 60 as shown in Figure 6.
  • the magnet holder 60 comprises first A and second B magnet holding positions 61, although only one magnet will be mounted in each holder. The use of first A and second B magnet holding positions will be explained later.
  • the direction detection unit 50 When movement of the door commences, in either an upward or downward direction, eventually the direction detection unit 50 will pass either the first or the second magnet located at the upper or the lower region of the door travel respectively.
  • the preferred embodiment of the present invention is arranged to wake from the sleep mode and transfer into an operational mode upon detection of a movement direction. By detecting which of the reed switches SW1 or SW2 becomes activated first, the present invention can determine the direction of door travel.
  • a preferred embodiment of the present invention further comprises a movement detection unit 70, as shown in Figure 7.
  • the movement detection unit 70 is arranged to detect any movement of the roller shutter door and wake the device from the sleep mode so that an obstruction may be detected.
  • the movement detection unit 70 allows the present invention to be woken from a sleep mode to detect an obstruction of a door in the event that the door is only partially opened or closed.
  • the movement detection unit 70 may become activated before the direction detection unit 50 detects the door approaching either an upper or lower extent of door travel.
  • the movement detection unit 70 is a ball tremble detector 75.
  • the ball tremble detector comprises a metallic ball 76, which is free to roll inside a metallic tube 77.
  • the metallic ball 76 is oriented so as to form a contact between an output of the control unit CTRL3 or CTRL4 and an input of the control unit IN3, thereby providing a continuous voltage at IN3.
  • Movement of the roller shutter door can be detected by the ball movement creating an interrupted voltage signal at IN3. Detection of such an interrupted voltage signal indicates movement of the automated door.
  • the preferred embodiment of the present invention is arranged to wake from the sleep mode upon movement being detected, then to monitor for an obstruction.
  • the movement detection unit 70 is also a tilt switch.
  • the tilt switch 70 has first and second inputs CTRL3 and CTRL4 and an output IN3.
  • CTRL3 or CTRL4 are outputs of the control unit 10, and IN3, which is an input to the control unit 10.
  • the control unit 10 can then determine a direction of tilt of the tilt switch 70.
  • the tilt switch 70 would change orientation, an event detectable by the control unit 10 by a change in position of the tilt switch.
  • the present invention can transmit a rollover notification signal to the counterpart wireless device.
  • the present invention When the present invention detects an obstruction of an automated door, the present invention is arranged to wirelessly transmit an obstruction-warning signal to a counterpart wireless device as previously described.
  • the preferred embodiment of the control unit 10 is arranged to selectively operate the device in a low-power operating mode, wherein the device remains operable whilst consuming a reduced power.
  • a preferred embodiment of the present invention has a further sleep mode wherein device operation is suspended and power consumption is further reduced compared with the low-power and normal operating states.
  • control unit 10 When the preferred embodiment is operating in the low-power operating mode, the control unit 10 periodically selects the normal operating mode so as to enable polling of the contact detection unit 20 to detect contact of the door with an obstruction.
  • operation of the direction detection unit 50 is arranged to return the present invention to an operating mode. Further, a preferred embodiment of the present invention may be changed from the sleep mode to an operating mode by operation of the movement detection unit 70.
  • a counterpart control system arranged to receive the transmitted obstruction-warning signal broadcast by the present invention has confidence in the present invention remaining operational. Therefore, a preferred embodiment of the present invention is arranged to periodically transmit an integrity signal. By the control system receiving the periodically broadcast integrity signal, confidence in the confirmed operation of the present invention can be established.
  • Periodic transmission of an integrity signal can be achieved in the following manner.
  • a timer such as a crystal-controlled oscillator X1, as shown in Figure 1, can be arranged to signal the control unit 10 periodically. For example, a two second notification period may be used.
  • the oscillator X1 may be arranged to wake the microcontroller 11, even when in the sleep mode.
  • the microcontroller 11 increments a count value, which may for example, be held in a register of the microcontroller 11.
  • the control unit 10 will then transmit the integrity signal through the wireless transmission means 30 to the counterpart wireless device.
  • the present invention may be arranged to transmit the integrity signal hourly. In an event that the integrity signal is not received by the counterpart wireless device after an extended period of time, for example two hours, then the counterpart device may only allow movement of the door in an override or manual mode until an integrity signal is received from the present invention.
  • a preferred embodiment of the present invention may also transmit a periodic running integrity signal to the counterpart wireless device when the door is detected to be in motion.
  • the running integrity signal provides the counterpart wireless device with an increased level of confidence in the operation of the present invention during periods of door movement. It is realised that the obstruction-warning signal is always transmitted by the present invention upon an obstruction being detected.
  • the counterpart wireless device may be arranged to suspend movement of the door in the event that a predetermined number of running integrity signals are missed during a period of door movement.
  • the running integrity signal will be arranged to be more frequent than the hourly general integrity signal, for example, periodically every 500 mS.
  • Transmission of a signal by the wireless transmission unit 30 may be of a relatively long duration, for example 100 mS, with reception of, in the example of the running integrity signal, two or three signals being used to indicate complete integrity. Should the running integrity signal occupy a long period of transmission, there would be a reduced chance of the control unit 10 receiving other radio signals, such as a control signal from a radio key fob used to start or stop movement of the door. Therefore, the preferred embodiment may be arranged to broadcast a short duration, 15 - 20 mS running integrity signal.
  • the running integrity signal transmissions are synchronised with the counterpart device or control system and each transmission is serialised. The signal strength is also referenced by the counterpart device or control system.
  • the serialisation counter starts from a defined offset position by using one of the rolling code 8 bit registers; this allows other systems to function in close proximity to other.
  • a preferred embodiment of the present invention also features a learn mode of operation.
  • the present invention may determine a movement period of the door which corresponds to the period of time taken by the door to descend or ascend the door aperture. For example, by monitoring the period of time between the activation of switches SW1 or SW2 at the start of travel and again near the end of travel, and also the obstruction detection unit detecting a contact of the lower edge of the door with the ground, a descent period may be calculated by the present invention for both of these situations.
  • These timing values have two distinct uses. First it allows the remote edge-sensing unit to "give up" on the closing process if the door has not reached its expected travel destination within expected time (plus a small excess allowance).
  • the device When woken by the movement detection unit 20, the device assumes a potentially hazardous movement downwards and transmits an appropriate message to the counterpart wireless device followed by the normal running integrity signal sequence.
  • the edge system assumes door movement as the likely cause of the activity, transmits a warning shut-down message to the counterpart wireless device, and then awaits a reed switch detection event to re-awaken.
  • the counterpart wireless device will then inhibit automated travel in the hazardous downward direction, until the present invention resumes normal operation.
  • Additional magnets can be added at regular spacing, increasing the resolution of the system.
  • the present invention may also be arranged to determine when the door is a predetermined distance from the floor.
  • European Product Standard BSEN13241-1 calling supporting standards BSEN12453:2000, BSEN12445:2000, BSEN12604:2001 and BSEN12605:2001 specify a 50 mm dead-zone of the door from the ground.
  • the present invention can determine when the lower door edge is 50mm from contacting the ground.
  • the magnet used for distance measurement is the lower of the first and second magnets, increased accuracy of measurement can be achieved.
  • Figure 8 shows the preferred embodiment of the present invention arranged in use with first 81 and second 82 magnets and the counterpart wireless device 90 arranged to receive wireless signals from the present invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Emergency Alarm Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
EP04252951A 2004-05-20 2004-05-20 System zur Erkennung von Hindernissen Expired - Lifetime EP1598518B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT04252951T ATE491857T1 (de) 2004-05-20 2004-05-20 System zur erkennung von hindernissen
DE602004030537T DE602004030537D1 (de) 2004-05-20 2004-05-20 System zur Erkennung von Hindernissen
EP04252951A EP1598518B1 (de) 2004-05-20 2004-05-20 System zur Erkennung von Hindernissen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04252951A EP1598518B1 (de) 2004-05-20 2004-05-20 System zur Erkennung von Hindernissen

Publications (2)

Publication Number Publication Date
EP1598518A1 true EP1598518A1 (de) 2005-11-23
EP1598518B1 EP1598518B1 (de) 2010-12-15

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EP04252951A Expired - Lifetime EP1598518B1 (de) 2004-05-20 2004-05-20 System zur Erkennung von Hindernissen

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EP (1) EP1598518B1 (de)
AT (1) ATE491857T1 (de)
DE (1) DE602004030537D1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939832A1 (de) 2006-12-26 2008-07-02 Somfy SAS Sicherheitssensor und -sender zum Detektieren von Wind in einer Hausanlage
EP1965009A2 (de) 2007-02-01 2008-09-03 JCM Technologies, S.A. Automatiktürsystem mit Sicherheitsstreifen und Verfahren zur Anwendung besagten Systems
EP2216478A2 (de) 2009-02-06 2010-08-11 Somfy SAS Verfahren zur Erfassung des Vorhandenseins eines Elements zwischen der Schwelle eines Öffnungselements und eines Endstücks eines motorisierten Heimbildschirms
FR2964758A1 (fr) * 2010-09-15 2012-03-16 Somfy Sas Capteur communicant autonome et extra-plat.
CN106761349A (zh) * 2016-12-01 2017-05-31 重庆金华兴门业有限公司 一种安全门

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545057A1 (de) * 1985-12-19 1987-07-02 Hoermann Kg Antrieb Steuertec Unfallschutzleiste
EP0552459A1 (de) * 1992-01-22 1993-07-28 Wilhelm Rademacher Sicherungsvorrichtung für Rolltore und dergleichen
DE20000682U1 (de) * 2000-01-17 2000-03-30 Helmut Beyers GmbH, 41066 Mönchengladbach Vorrichtung zur Steuerung der Bewegung einer Beschattungseinrichtung
US6259218B1 (en) * 1996-09-06 2001-07-10 Hunter Douglas Inc. Battery-powered wireless remote-control motorized window covering assembly having a microprocessor controller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545057A1 (de) * 1985-12-19 1987-07-02 Hoermann Kg Antrieb Steuertec Unfallschutzleiste
EP0552459A1 (de) * 1992-01-22 1993-07-28 Wilhelm Rademacher Sicherungsvorrichtung für Rolltore und dergleichen
US6259218B1 (en) * 1996-09-06 2001-07-10 Hunter Douglas Inc. Battery-powered wireless remote-control motorized window covering assembly having a microprocessor controller
DE20000682U1 (de) * 2000-01-17 2000-03-30 Helmut Beyers GmbH, 41066 Mönchengladbach Vorrichtung zur Steuerung der Bewegung einer Beschattungseinrichtung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939832A1 (de) 2006-12-26 2008-07-02 Somfy SAS Sicherheitssensor und -sender zum Detektieren von Wind in einer Hausanlage
US7729807B2 (en) 2006-12-26 2010-06-01 Somfy Sas Security sensor-transmitter for detecting wind in a home automation installation
EP1965009A2 (de) 2007-02-01 2008-09-03 JCM Technologies, S.A. Automatiktürsystem mit Sicherheitsstreifen und Verfahren zur Anwendung besagten Systems
EP1965009A3 (de) * 2007-02-01 2011-05-25 JCM Technologies, S.A. Automatiktürsystem mit Sicherheitsstreifen und Verfahren zur Anwendung besagten Systems
EP2216478A2 (de) 2009-02-06 2010-08-11 Somfy SAS Verfahren zur Erfassung des Vorhandenseins eines Elements zwischen der Schwelle eines Öffnungselements und eines Endstücks eines motorisierten Heimbildschirms
FR2964758A1 (fr) * 2010-09-15 2012-03-16 Somfy Sas Capteur communicant autonome et extra-plat.
WO2012035506A1 (fr) * 2010-09-15 2012-03-22 Somfy Sas Capteur communicant autonome et extra-plat
CN103109245A (zh) * 2010-09-15 2013-05-15 Somfy两合公司 特别平的独立通信传感器
CN103109245B (zh) * 2010-09-15 2016-07-27 Somfy两合公司 特别平的独立通信传感器
CN106761349A (zh) * 2016-12-01 2017-05-31 重庆金华兴门业有限公司 一种安全门

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