EP0373407A1 - Dispositif de commande à distance pour l'émission de commandes - Google Patents

Dispositif de commande à distance pour l'émission de commandes Download PDF

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Publication number
EP0373407A1
EP0373407A1 EP89121799A EP89121799A EP0373407A1 EP 0373407 A1 EP0373407 A1 EP 0373407A1 EP 89121799 A EP89121799 A EP 89121799A EP 89121799 A EP89121799 A EP 89121799A EP 0373407 A1 EP0373407 A1 EP 0373407A1
Authority
EP
European Patent Office
Prior art keywords
remote control
control transmitter
housing
transmitter
gravity
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
EP89121799A
Other languages
German (de)
English (en)
Other versions
EP0373407B1 (fr
Inventor
Klaus Dipl.-Ing. Durst
Gerd Reime
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.)
Nokia Deutschland GmbH
Original Assignee
Nokia Unterhaltungselektronik Deutschland GmbH
Nokia Deutschland GmbH
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 Nokia Unterhaltungselektronik Deutschland GmbH, Nokia Deutschland GmbH filed Critical Nokia Unterhaltungselektronik Deutschland GmbH
Publication of EP0373407A1 publication Critical patent/EP0373407A1/fr
Application granted granted Critical
Publication of EP0373407B1 publication Critical patent/EP0373407B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00Switches having at least one liquid contact
    • H01H29/20Switches having at least one liquid contact operated by tilting contact-liquid container
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/02Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field
    • H01H35/025Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field the switch being discriminative in different directions
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00Transmission systems of control signals via wireless link
    • G08C2201/30User interface
    • G08C2201/32Remote control based on movements, attitude of remote control device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/0214Hand-held casings
    • H01H9/0235Hand-held casings specially adapted for remote control, e.g. of audio or video apparatus
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S200/00Electricity: circuit makers and breakers
    • Y10S200/29Ball

Definitions

  • the invention relates to a remote control transmitter according to the preamble of claim 1.
  • Such remote control transmitters are used to control electrical devices via a wireless connection, in particular to control photoelectric devices such as slide or film projectors, or to control consumer electronics devices, for example to control television sets or video recorders.
  • Such remote control transmitters are known, for example, from the magazine Funkschau 1978, number 9, pp. 405-407 or the magazine Funkschau 1978, number 20, pp. 963-966.
  • the known remote control encoders contain a keypad on the operating side of an encoder housing as an input device. By pressing individual buttons on this keypad, the user of the remote control transmitter selects control commands for setting or changing certain operating states of an electrical device controlled by the remote control transmitter.
  • the control commands called up with the actuated buttons are transmitted converted signals and emitted by an infrared transmitter element to the electrical device to be controlled.
  • the invention has for its object to design a remote control transmitter according to the preamble of claim 1 so that the handling of the remote control transmitter for the inexperienced user at least for the setting of essential operating conditions or operations of the device to be operated with the remote control transmitter is significantly simplified.
  • This object is achieved according to the invention by the features of the characterizing part of claim 1.
  • the invention is based on the experience that individual processes of daily life can be characterized by certain hand movements.
  • An enlargement of an event or a forward step-by-step progression or a forward scrolling is characterized by a hand movement to the right or upwards.
  • the user of a remote control transmitter according to the invention can only scroll through the functional levels of the remote-controlled device without observing the remote control transmitter himself by upward or downward hand movements.
  • a right or left movement of the hand which involuntarily involves a rotation in the axis of the hand, can switch a forward or a reverse run or amplify or dampen events without having to pay attention to the remote control transmitter used .
  • the operation of a remote control transmitter according to the invention requires only one hand, so that the user of such a remote control transmitter has the second hand free for other activities during its use.
  • the subclaims characterize advantageous embodiments of the invention. It is particularly advantageous to use gravity switches for determining the position differences of the transmitter housing of the remote control transmitter, since gravity represents a force field that is defined for every human activity and directed towards the center of the earth. However, it is also possible to detect a pivoting movement of a remote control transmitter held in the hand of a user by means of acceleration switches with which the position difference switch arrangement of the remote control transmitter is equipped, and to derive control commands for remote control of an electrical device therefrom.
  • the position difference switch arrangement of the remote control transmitter contains sensors which depend on the direction of the intensity of a particular radiation or Detect the force field and display it with an electrical signal.
  • these signals remain constant over a certain period of time, according to one embodiment of the invention, they indicate a rest position of the remote control transmitter, which for him is the reference operating position. According to a further embodiment of the invention, values of these signals also form the reference values for a rest position of the remote control transmitter. If the position of the remote control transmitter changes from this rest position by a swiveling movement of the remote control transmitter held in the hand, the direction of the swivel operation is determined from the new output signals from the sensors and the associated control commands are decoded therefrom.
  • a radiation or force field is, for example, the earth's magnetic field or the radiation field of a specific radiation source, for example a source of electromagnetic radiation.
  • Figures 1a and 1b show a schematic representation of the side view of a remote control transmitter, which in the case of Figure 1a is pivoted upwards from its horizontal position by an angle of inclination and in the case of Figure 1b is pivoted downwards by an angle of inclination a from the horizontal position is.
  • the encoder housing 1 is cut open along a vertical plane through the main axis 2 of the remote control transmitter, so that the essential components of the remote control transmitter can be shown schematically.
  • On a plate 3 which is immovably connected to the transmitter housing, the transmitter housing by means of seated transmission elements 4, 1 Directional signal converter 5, a push button 6, a plurality of gravity switches 7, 8, 9 and a circuit arrangement 10 associated therewith are arranged.
  • the remote control transmitter contains a battery 11 for the power supply.
  • the gravity switches 7, 8 and 9 have a rest position, which exists when their main axis 12 is parallel to the direction of gravity 13. If one of the gravity switches 7, for example, the gravity switch 7 is pivoted from its rest position 14 in a certain direction 15 into a position 16 inclined to the rest position 7 by an angle a, the angle of inclination a of which is greater than a trigger angle a0, as shown schematically in FIG. 2, then this gravity switch generates an output signal.
  • a position differential switch arrangement 17 designed with such switches can pivot the remote control transmitter out of its horizontal position, which relates to the reference operating position of the remote control transmitter represents all swiveling movements to control a remote-controlled electrical device, identified by its output signals.
  • the direction signal converter which also belongs to the position difference switch arrangement 17, forms a signal characterizing the direction of the position deviation from the horizontal reference operating position of the remote control transmitter, which signal is converted as a control command by the signal converter circuit 5 into a transmission signal for the transmission elements 4.
  • the user of the remote control transmitter holds this remote control transmitter in one hand in such a way that he can use the thumb 18 of this hand to actuate the pushbutton 6 of a switch 19 of the remote control transmitter which protrudes from the transmitter housing 1.
  • the position difference switch arrangement 17 of the remote control transmitter is switched on, so that it can recognize a pivot position of the hand-held remote control transmitter as a result of a pivoting movement of the hand of the user and can form a control command therefrom.
  • the remote control transmitter held in a horizontal position is pivoted to the right or to the left, the remote control transmitter is rotated by an involuntary additional rotation of the hand when the hand is pivoted about its main axis 2, so that the encoder housing 1 is inclined to the horizontal to the side, as is the case, for example, in Figure 1c is shown.
  • the plate 3 surrounded by the transmitter housing (1) of the remote control transmitter and the gravity switch 8 arranged on this plate are shown in broken lines, which is effective from the horizontal in the case of the lateral inclination of the transmitter housing shown in FIG. 1c and at an angle of inclination a, which is greater than the trigger angle a0, generates an output signal.
  • the directional signal converter 10 determines from this that the remote control transmitter is in the reference control position, ie in a horizontal position, and generates an output signal assigned to the rest position of the remote control transmitter. the also used as a control command and is fed to the signal converter 5 for transmission to the device to be remotely controlled.
  • the position difference switch arrangement 17 of the remote control transmitter shown in FIGS. 1a to 1c contains four gravity switches, of which the three gravity switches 7 , 8 and 9 are shown schematically.
  • the position difference switch arrangement 17 contains a fifth gravity switch which, in the case of a position whose angular deviation of the main axis of the gravity switch from the gravitational direction 13 is less than the trigger angle a0 of the other four gravity switches, generates an output signal regardless of the direction and thus a position around the rest position of the Remote control transmitter.
  • the elements determining the inclination of the remote control transmitter relative to a reference operating position of the remote control transmitter are not gravity switches, but rather the direction-dependent sensors which determine the angle deviating from the direction of gravity and which generate an electrical output signal which is dependent on the amount of the angular offset.
  • the direction signal converter 10 generates a direction-dependent output signal above a certain angular offset, so that the inclination sensors in conjunction with the switching property of the direction signal converter 10 in turn represent gravity switches.
  • the Position differential switch arrangement 17 which are set for the remote control by a pivoting movement of the remote control switch hysteresis.
  • FIGS. 3 to 6 some exemplary embodiments of a position difference switch arrangement 17 by remote control transmitters with gravity switches are explained in more detail.
  • a section of a circuit board 3 is shown in FIG. 3 at the location of the position difference switch arrangement 17 of a remote control transmitter.
  • the circuit board 3 contains an axially symmetrical recess 20, the edges 21 of which are slightly curved into the recess 20.
  • a narrower contact element 22 is attached to each edge in the middle, and a wider contact element 23 is attached to the left and right thereof.
  • a ball 24 shown in broken lines in the drawing is mounted in the horizontal plate. In this position, the highly conductive surface 25 (FIGS.
  • the ball 24 thus forms with the middle contact elements 22 a gravity switch for identifying an approximately horizontal rest position of the remote control transmitter.
  • the four corners of the square recess 20 in the circuit board 3 point in the four directions in which the remaining four gravity switches are effective.
  • a cover cap 27 is fastened in recesses 26 of the plate 3, which is indicated by dashed lines in FIG. 3 and shown cut open in FIGS. 4a and 4b is.
  • the cap 27 contains a stop edge 28 which delimits and optionally guides the ball 20.
  • the curved design of the edges 21 of the recess 20 also contributes to better guidance of the ball 24 in the individual directions of action.
  • the one contacts of the five gravity switches are connected in the exemplary embodiment shown together with the switch 19 of the remote control transmitter via electrical lines 29; the other contact elements of these gravity switches are individually connected to a direction signal converter 10.
  • FIG. 4a the position of the ball 24, the common switching element, is again in a side view
  • the five gravity switches, the position difference switch arrangement 17, is shown in the horizontal rest position of the remote control transmitter, in which the main axis 12 of the switch arrangement shown runs parallel to the direction of gravity 13.
  • FIG. 4b shows the switch arrangement shown in FIG. 4a in a position of the remote control transmitter which is inclined upwards by the angle a, in which the ball 24 abuts the stop edge 28 of the cover cap 27.
  • the angle of inclination a is greater than the trigger angle a0 in which the center of gravity of the ball 24 just penetrates the vertical plane through the points of contact of the ball on the edges 21 of the recess 20 in the plate 3.
  • the section of a circuit board 3 of a remote control transmitter shown in FIG. 5 contains a position difference switch arrangement 17, in which a ball 24 is likewise mounted in a recess 30 in the circuit board.
  • the circular recess 30 is covered by the ball 24 and shown in dashed lines.
  • four voice coils 31 are arranged in a ring shape on the circuit board 3, ie one voice coil in front of and behind and to the right and left next to the cutout 30 in the circuit board 3 of the remote control transmitter in the view of the open encoder housing.
  • Each of these voice coils 31 is connected to an associated electrical oscillator 32.
  • the oscillators 32 are set so that they generate an electrical oscillation in the rest position of the ball 24, in which it is mounted in the recess 30.
  • the vibration breaks off.
  • Guide rods 33 arranged on the circuit board ensure that the ball 24 approaches only one voice coil when the remote control transmitter is pivoted, so that the oscillation of only one oscillator is interrupted.
  • the oscillators 32 are connected to a directional signal converter 10, which generates an output signal dependent on the inclination of the remote control transmitter for transmission to an electrical device to be operated remotely.
  • the ball 24 and the voice coils 31 are protected and secured by a cover cap, not shown in the drawing.
  • FIG. 6 schematically shows a position difference switch arrangement of a remote control transmitter which contains a liquid switch 34 as a gravity switch.
  • This liquid switch is arranged on the circuit board 3, which is fixed in position in the transmitter housing of a remote control transmitter, and contains a large, plate-shaped center contact 36 on the bottom of the switch housing 35.
  • four contact elements are distributed in a ring around the edge of the top of the switch housing 35 37 arranged much smaller area.
  • the switch housing contains a non-wetting, electrically conductive liquid 41, in the amount that it covers only one of the contact elements 37 when the printed circuit board 3 is in a vertical position.
  • the conductive liquid wets the Contact element 37, which is assigned to the direction of the inclination of the circuit board 3 and thus the direction of the inclination of the remote control transmitter and thus establishes a conductive connection between the center contact 36 and this contact element 37, so that the gravity switch thus formed is closed in an electrically conductive manner.
  • the four contact elements 37 of the liquid switch 34 are connected to a directional signal converter 10, which forms a direction-dependent output signal from the signals transmitted via the contacts of the liquid switch, which is transmitted by the remote control transmitter in a transmission signal as a control command remote-controlled electrical device is transmitted.
  • Mercury is particularly suitable as the conductive, non-wetting liquid 41 in the switch housing 35, which has a high flow damping because of its inertia and heaviness.
  • the switch housing 35 of the liquid switch 34 contains flow damping means, not shown in detail.
  • the position difference switch arrangement 17 contains a plurality of acceleration switches instead of gravity switches 7, 8, 9, which for the sake of simplicity are identified by the same reference numerals as the gravity switches in FIGS. 1a to 1c.
  • the acceleration switches generate an output signal when the acceleration is above a certain acceleration amount and in a certain acceleration direction for which the acceleration switch is designed.
  • acceleration switches 7, 8, 9 By an appropriate arrangement of the acceleration switches 7, 8, 9 with an orientation in the four main directions of movement of the remote control transmitter, namely upwards and downwards and towards the two sides, these accelerators use their output signals to report the pivoting movement state of the remote control transmitter to a directional signal converter 10, which uses these output signals to generate a direction-dependent output signal for transmission as a control command to an electrical device to be remote-controlled.
  • FIG. 7 schematically shows a position difference switch arrangement 17 of a remote control transmitter, which contains sensors 38 which respond to a certain force or radiation field.
  • field lines 39 of such a force or radiation field are shown schematically, the intensity of which the sensors 38 measure in a direction-dependent manner and output a corresponding analog signal Sa at their output.
  • the sensors 38 are arranged in four different directions of action, so that they generally output different analog signals Sa during a measurement.
  • Analog value memories 40 and a directional signal converter 10 are connected to the output of the sensors 38. The outputs of the analog value memories 40 are also connected to the directional signal converter 10.
  • the user of the remote control transmitter first presses the button 6 of the switch 19 of the remote control transmitter, not shown, and carries out the desired pivoting movement of the remote control transmitter when the push button 6 is actuated.
  • the analog signals Sa output by the sensors 38 are stored in the analog value memories 40. These then serve the directional signal converter 10 as a reference value for the subsequent pivoting movement.
  • the direction signal converter determines the direction of the pivoting movement from the analog values output by the sensors 38 after being stored in the analog value memory 40 and outputs a corresponding direction-dependent output signal Sr at its output, which as a control command to a remote control electrical device is transmitted.
EP89121799A 1988-12-02 1989-11-25 Dispositif de commande à distance pour l'émission de commandes Expired - Lifetime EP0373407B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840643 1988-12-02
DE3840643A DE3840643A1 (de) 1988-12-02 1988-12-02 Fernbedienungsgeber zur abstrahlung von steuerbefehlen

Publications (2)

Publication Number Publication Date
EP0373407A1 true EP0373407A1 (fr) 1990-06-20
EP0373407B1 EP0373407B1 (fr) 1994-08-03

Family

ID=6368327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121799A Expired - Lifetime EP0373407B1 (fr) 1988-12-02 1989-11-25 Dispositif de commande à distance pour l'émission de commandes

Country Status (6)

Country Link
US (1) US4977404A (fr)
EP (1) EP0373407B1 (fr)
JP (1) JPH06103956B2 (fr)
AT (1) ATE109580T1 (fr)
DE (2) DE3840643A1 (fr)
ES (1) ES2060727T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410194A1 (fr) * 1989-07-25 1991-01-30 Nokia (Deutschland) GmbH Emetteur de télécommande
EP1933282A3 (fr) * 2006-12-12 2009-07-15 Honeywell International Inc. Commande sans fil de système de sécurité avec porte-clé à clé

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JPH04242398A (ja) * 1991-01-16 1992-08-31 Sharp Corp 遠隔制御用送信機
JPH0641291U (ja) * 1992-07-28 1994-05-31 節子 大塚 多機能テレビ用リモートコントローラ
DE4237867A1 (de) * 1992-11-10 1994-05-11 Mueller Alexander Sender zur kabellosen Übermittlung von Steuerbefehlen
EP0619567A1 (fr) * 1993-04-05 1994-10-12 Whirlpool Corporation Méthode et dispositif pour la mesure d'une condition de température excessive pour un appareil électroménager
DE19855605A1 (de) * 1998-12-02 2000-06-15 Siemens Ag Handsender zum Fernsteuern von Betriebsfunktionen, insbesondere von Kraftfahrzeugfunktionen
US6750801B2 (en) * 2000-12-29 2004-06-15 Bellsouth Intellectual Property Corporation Remote control device with directional mode indicator
US20030016417A1 (en) * 2001-07-17 2003-01-23 Cruise Lee Wireless pointing and remote-controlling device for briefing
JP2003325972A (ja) 2002-05-17 2003-11-18 Nintendo Co Ltd 傾き操作に関連して音と画像を変化させるゲーム装置およびそのゲームプログラム
US8570378B2 (en) 2002-07-27 2013-10-29 Sony Computer Entertainment Inc. Method and apparatus for tracking three-dimensional movements of an object using a depth sensing camera
US9174119B2 (en) 2002-07-27 2015-11-03 Sony Computer Entertainement America, LLC Controller for providing inputs to control execution of a program when inputs are combined
US9393487B2 (en) 2002-07-27 2016-07-19 Sony Interactive Entertainment Inc. Method for mapping movements of a hand-held controller to game commands
US7918733B2 (en) 2002-07-27 2011-04-05 Sony Computer Entertainment America Inc. Multi-input game control mixer
US8313380B2 (en) * 2002-07-27 2012-11-20 Sony Computer Entertainment America Llc Scheme for translating movements of a hand-held controller into inputs for a system
US7854655B2 (en) * 2002-07-27 2010-12-21 Sony Computer Entertainment America Inc. Obtaining input for controlling execution of a game program
US7850526B2 (en) 2002-07-27 2010-12-14 Sony Computer Entertainment America Inc. System for tracking user manipulations within an environment
US7183897B2 (en) * 2004-11-19 2007-02-27 Lear Corporation Key fob deactivation system and method
ITMI20051731A1 (it) * 2005-09-19 2007-03-20 Ec Elettronica S R L Dispositivo di telecomando sensibile alla posizione per il controllo di apparecchiature e simili
US8781151B2 (en) 2006-09-28 2014-07-15 Sony Computer Entertainment Inc. Object detection using video input combined with tilt angle information
USRE48417E1 (en) 2006-09-28 2021-02-02 Sony Interactive Entertainment Inc. Object direction using video input combined with tilt angle information
US8310656B2 (en) 2006-09-28 2012-11-13 Sony Computer Entertainment America Llc Mapping movements of a hand-held controller to the two-dimensional image plane of a display screen
US8918543B2 (en) * 2006-11-06 2014-12-23 International Business Machines Corporation Changing device functionality using environment conditions
DE102007055465A1 (de) * 2007-11-13 2009-05-20 Trumpf Medizin Systeme Gmbh Fernbedienung für eine Vorrichtung zur Lagerung eines Patienten
DE102008034497A1 (de) * 2008-04-30 2009-11-05 Hörmann KG Antriebstechnik Torantriebs-Fernsteuerungssender sowie damit versehenes Torantriebsystem
CN101625938B (zh) * 2008-07-07 2012-01-25 黄国恩 一种电路板感应模块
US20100052931A1 (en) * 2008-08-26 2010-03-04 Gm Global Technology Operations, Inc. Gesture control key fob
DE102012010564A1 (de) 2012-05-26 2013-11-28 Audi Ag Fernbedienungsvorrichtung für einen Kraftwagen sowie Verfahren zum Betreiben einer solchenFernbedienungsvorrichtung
US10147564B2 (en) 2013-02-07 2018-12-04 Universal Electronics Inc. System and methods for providing orientation compensation in pointing devices

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DE2805896A1 (de) * 1978-02-13 1979-08-16 Hoermann Kg Antrieb Steuertec Handsender fuer zwei unterschiedliche signale
FR2510900A1 (fr) * 1981-08-07 1983-02-11 Thomson Brandt Manette de jeu
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410194A1 (fr) * 1989-07-25 1991-01-30 Nokia (Deutschland) GmbH Emetteur de télécommande
EP1933282A3 (fr) * 2006-12-12 2009-07-15 Honeywell International Inc. Commande sans fil de système de sécurité avec porte-clé à clé
US7843312B2 (en) 2006-12-12 2010-11-30 Honeywell International Inc. Wireless control of security system with key-operated key fob
CN101200985B (zh) * 2006-12-12 2013-04-24 霍尼韦尔国际公司 具有钥匙操作的钥匙袋的安全系统的无线控制装置

Also Published As

Publication number Publication date
EP0373407B1 (fr) 1994-08-03
ATE109580T1 (de) 1994-08-15
JPH06103956B2 (ja) 1994-12-14
DE58908145D1 (de) 1994-09-08
JPH02244898A (ja) 1990-09-28
ES2060727T3 (es) 1994-12-01
US4977404A (en) 1990-12-11
DE3840643A1 (de) 1990-06-07

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