EP0771456B1 - Procede et dispositif de conversion de signaux de telecommande codes pour le declenchement telecommande d'au moins une fonction - Google Patents

Procede et dispositif de conversion de signaux de telecommande codes pour le declenchement telecommande d'au moins une fonction Download PDF

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Publication number
EP0771456B1
EP0771456B1 EP95900057A EP95900057A EP0771456B1 EP 0771456 B1 EP0771456 B1 EP 0771456B1 EP 95900057 A EP95900057 A EP 95900057A EP 95900057 A EP95900057 A EP 95900057A EP 0771456 B1 EP0771456 B1 EP 0771456B1
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Prior art keywords
function
information
stored
triggered
code
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EP95900057A
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German (de)
English (en)
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EP0771456A1 (fr
Inventor
Roland Trautmann
Karl-Heinz Gimbel
Detlef Poppe
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DELTRON ELEKTRONISCHE SYSTEME GMBH
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Deltron Elektronische Systeme GmbH
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code

Definitions

  • the present invention relates to a method for decoding and converting coded remote control signals, in which a received via a high-frequency feed in a receiver Pulse train converted into a digital data word and at least partially with im Area of a recipient stored code words is compared to, if applicable positive comparison result to trigger at least one predefinable function, wherein together with or next to a code word on the receiver side, one assigned to the code word and function to be triggered upon receipt of the code word is stored, so that the sent data word in addition to the code portion also at least one piece of information to be triggered Receives function and the comparison of the received data word with the stored Codewords also compare information about the function to be triggered includes.
  • the system known from US-A-4,893,240 consists of a transmitter and one Receiver for remote control of a machine.
  • a remote control transmitter can from a code can be entered for a user and when a key is pressed or Key combination on an operating unit of the remote control transmitter is shared with a coded signal that determines a function to be triggered on the machine, at the same time the user's personal code is transmitted and it can be done in this way his access authorization to the machine is checked and ensured. It is However, it is essential that the same keys are always used to trigger certain functions or key combinations are retained so that there is no incorrect operation of the machine can come.
  • the signal emanating from the transmitter is used for unambiguous signal recognition and a pulse train received by an RF receiver, preferably with a demodulator Gain control, which converts the pulse train into a digital signal, i.e. typically in a sequence of voltage values at two different levels, to which you can assign a logical "0" or "1".
  • the present invention is based on the object To create a method and an apparatus with the features mentioned above, which the Codability and ability to work without line of sight between transmitter and receiver with Greater design options and freedom when using different functions link.
  • this object is achieved in that one is free on the receiver side Selectable assignment of functions to be triggered to the stored code words.
  • the data word sent can be understood as a code word in which in principle, any sections or areas are reserved for additional information.
  • this data word is compared with a stored data word, whereby now but a certain function to be triggered is assigned to this stored data word while different data words at the same time are absolutely the same Functions to be triggered can be assigned if they are in the information section of the code word, that is, the area for the additional information mentioned reserved, match.
  • the term "function to be triggered" is very extensive understand. For example, two functions to be triggered are considered different, if different outputs of the receiver are controlled.
  • Such differences in the functions to be triggered can but can also be triggered in a controlled manner in that the data words sent are in their Distinguish code part, while the part reserved for the mentioned information is the same remains. This could, for example, be used by different users with their transmitter on the receiver control the same output, but this would then possibly be a different one Show time behavior.
  • the entire data word sent is logically called "code” processed, but in the narrower sense under the term "code” that part of the sent and received data word would look at the same transmitter always remains unchanged while different stations are in these code sections fundamentally differentiate (insofar as this corresponds to the length of the code portion and the number of the total transmitters manufactured is possible).
  • the for the additional information or a function to be triggered reserves the same proportion of the data word for different transmitters, if it is to trigger the same function, that is, if for example the same channel should be controlled.
  • the method according to the invention offers the freedom, too to use the pure code portion as additional information for the function to be triggered Example with regard to the time behavior already mentioned, since the entire sent and identically stored data word logically a certain function including the Time behavior is assigned.
  • the method according to the invention has a whole range compared to conventional methods essential advantages.
  • the receiver can now perform completely different functions trigger independently of each other, such as switching on a light as mentioned and the operation of a garage door.
  • the recipient could have two or more Open and close different gates arranged side by side or one behind the other independently of one another, so that it would be possible, for example, for a user to have access admit only to one of the gates or to a certain group of gates while others Users in turn have different access rights.
  • the method according to the invention can be used meaningfully even if only a single function is to be triggered, for example in the case of closely spaced one Receivers that are to be operated independently of one another by the same transmitter (in this In this case, the information unit about the function to be triggered can be seen as an extension of the Code)), however, an embodiment of the method is preferred, in which the relevant receiver at least two different functions can be triggered.
  • a variant of the method according to the invention provides that the receiver emitted data word, at least as far as it contains the code word portion and the information data includes information to be triggered, possibly including its timing, is interpreted and treated as a code word on the receiver side overall, whereby on the receiver side in addition to this extended code word, the information data for the function to be triggered and their time behavior are saved. In this case you do not need a specific, in Sender and receiver identical assignment of information bits to certain to be triggered Functions.
  • a receiver there are, for example, eight different outputs provided on a receiver according to the invention.
  • these functions could, for example, trigger different aggregates consist of 1. a common gate entrance, 2. path lighting, 3. a garage door, 4. the garage lighting, 5. a lifting platform in a double parker, 6. a lock actuation for an access door between the garage and a staircase, 7. a staircase lighting. It would also be possible to use all of these functions simultaneously or immediately one after the other triggered by a single button press if the transmitter is set up accordingly.
  • an embodiment of the method according to the invention is special preferred, in which the individual functions can be triggered with a time delay, wherein these time delays are preferably also individually adjustable.
  • the aforementioned Functions can then be triggered in reasonable increments, so that for example, the last-mentioned function "switching on the staircase light" only triggered is when the user enters the driveway with his vehicle, possibly also in the garage has broken in and is just getting out of his vehicle. At this point in time For example, the closing of the entrance gate should have been completed long ago.
  • the data word in question in addition to the information about the Function to be triggered additionally the information about the size of a certain Contains the time delay with which the function is to be triggered, if not generally one assigned a certain function, but a changeable time delay becomes.
  • the internal clock frequency for reading and comparing the received and stored Data words at least one order of magnitude below the transmission frequency of the associated FH system lies.
  • the internal clock frequency of the evaluation logic of the system is at most 1/10 of the transmission and reception frequency of the transmitter and receiver. Is preferred an even greater distance, for example, in which the internal clock frequency for the Data comparison below 1 MHz, better still below 100 kHz and in the preferred embodiment Is 32 kHz, while the transmission frequency is above 10 MHz, preferably at 27 or 40 MHz is.
  • the frequencies in question are therefore approx. three orders of magnitude (a factor of 1000) apart, so that mutual interference by Crosstalk between the transmission frequency and the clock frequency are practically excluded.
  • control logic has a structure or has a programming which the freely selectable assignment of stored code words that contain at least one piece of information included via a function to be triggered, permitted to each of the outputs, and compares the received remote control signals with the stored code words.
  • memory management is parallel Access to at least the data units of a data word indicating the function to be triggered,
  • the data words are preferably accessed in parallel over the entire word width.
  • An embodiment of the invention is particularly preferred in which at least the decoder, the memory and the control logic on a common semiconductor circuit or chip are accommodated.
  • the control logic can access the memory in parallel easily integrate into the system and the decoding of the received data words, their Evaluation and triggering the associated function can be done very quickly within a few Cycles of an associated clock generator take place.
  • a clock generator is provided, the frequency is at least one order of magnitude smaller than the transmission frequency, the clock frequency is preferably 42 kHz, while the transmission frequency is at least 27 MHz.
  • control logic can, for example, consist of a stored data word that is associated with a sent data word matches in terms of code and function specification, information take the amount of the desired time delay and the subsequent time delay element set in the desired way so that the relevant output only after a corresponding time delay, measured from the time of the positive data comparison on, is triggered.
  • the data word sent can also be a corresponding one Contain time delay information, this also optionally in the data word comparison included or without comparison to the control logic and the time delay unit can be passed.
  • the memory has a minimum size of 30 data words, each with a word length of at least about 60 bits, which one The total amount of memory corresponds to approximately 1800 bits. Given the ongoing downsizing of semiconductor structures can, however, on a chip with all of the above, essential functional units also significantly larger memory with the ten or Can accommodate hundreds of times the amount of data.
  • a word length of approx. 60 bits has proven to be completely sufficient to be sufficient long code word on the order of 20 to 24 bits, 8 bits of information about the Function to be triggered, 8 bit information about a possible time delay or also Activity duration of an output and other bits, for example check and test bits, bits for marking the end of a word and the beginning of a word etc.
  • the figure is a schematic representation of the receiver according to the invention with its Periphery, but without a high-frequency receiver and without being connected to the outputs Aggregates.
  • Integrated semiconductor circuit or chip 100 the on the dashed circumference of the The squares shown in chips 100 schematically represent the contacts of chip 100.
  • the of outgoing signals are transmitted by means of an antenna and a subsequent one High-frequency parts, which are not shown, received, amplified and sent to the demodulator 10 passed on.
  • the received pulse train is demodulated in the demodulator 10 and thus in converted, for example, a 60 bit long digital data word.
  • the demodulator 10 gives this signal on the input 12 of the chip 100 on.
  • a control output 11 of the chip is connected to a control input of the demodulator in order for a programming or Lemgangs reduce the sensitivity of the demodulator, so that in this mode only nor the signals to be learned or stored in the immediate vicinity of the receiver brought transmitter can be received to disturbances and incorrect storage to exclude.
  • Block 107 schematically designates a comparator; the block 102 a memory, in the example shown with a memory volume of 6 KB, with 103 an address management for the memory is designated and with 108 an evaluation logic.
  • the converted by the input filter 101 into a sequence of uniform, digital data bits The pulse train is first checked to see whether it represents a valid data word at all, e.g. with a length of 60 bits and special bit sequences, e.g. Beginning and end of word characterize, whereby a check of so-called check and check bits also takes place, whereby any faults in the transmission of the data are recognized and faulty data words are eliminated should be.
  • the comparison then takes place with the data words stored in the memory 102. If a valid data word was found, i.e. is a match of the sent Data word with one of the stored data words has been determined, it is checked whether this word already immediately before or within a predeterminable, previous one Time interval has already been received once. The frequency of the Receiving a specific, valid data word either in succession or alternatively registered within a predeterminable time interval. After this counter a predeterminable Has reached or exceeded the limit, the command to trigger the function, which is according to an information contained in the data word to be triggered is considered valid and it will a corresponding trigger command is initially passed on to the timer 109.
  • the timer 109 has eight different outputs, labeled 80 to 87, with each of the outputs 80 to 87, a time delay element is connected upstream of the timer 109. It can a certain fixed time delay can be assigned to each of the outputs 80 to 87, if necessary, however, the information about a specific setting of a particular one can also be given Delay element from the stored or received data word to the timer are passed on, which is then a corresponding one for the respective time delay element Value.
  • the delays are preferably set in steps and in digital form Form, with the individual outputs 80 to 87 different maximum delay ranges can be assigned.
  • the time delay for opening one for example Outside gates, in front of which e.g.
  • a vehicle at the moment of sending an opening command can be set to zero and the associated output channel 80 either requires no delay element at all or one that has maximum time delays in Range within a few seconds.
  • other time delay elements can be used for others Outputs e.g. gradually in the range from a few seconds to minutes or even Hours can be set.
  • the timer 109 and its time delay elements and outputs can also be used optionally be designed so that the associated output is not only one Activate certain, delayed point in time, but also so that this Activation during a predefinable time interval or until a trigger is triggered Stop command remains active. It is also possible to use individual channels of the timer to design that after receiving a valid trigger command the associated output is activated intermittently, which for example when the lamp is connected, a blinking of the Lamp would cause. Finally, evaluation logic and timers can also be designed in this way be that a certain output during a certain, preferably small time interval beyond the receipt of the last valid data word with the relevant function selection remains active. This means that, apart from a small time delay, this corresponds to the mentioned interval, an output remains active as long as the transmitter has the relevant data word sends out (so-called strike contact).
  • the so-called programming mode serves to enter certain data words in the memory 102, so that later when a such a data word, a specific function which is also desired in this data word optionally with an additional desired time delay or a largely arbitrary one Predefinable time behavior (flashing, activation duration) is triggered.
  • the switch 40 is made from two pushbutton contacts 41 and 42. A short actuation of the contact 42 leads to switching in programming mode, i.e. the output 11 is activated and the demodulator thereby in reduced its sensitivity.
  • the output 80 of the timer is first 109 selected or addressed.
  • a further actuation of the push button switch 42 switches on the following output 81 etc., until after a cyclical run through the outputs 80 to 87 a further actuation of the push button switch 42 selects the output 80 again.
  • the push button 41 is used to select a specific function.
  • the function selection is shown in Table 1 below.
  • the selected output and then also the function can use the two-digit number LED display 50 can be read. Is a function with a for a selected output certain time behavior has been selected, then can at the BCD input 20 via a specific switch combination of the four BCD switches between 16 different time ranges to get voted.
  • This method requires at least 3 bits for the information about the channel selection, i.e. the information as to which of the eight outputs of the timer 109 is to be activated, and at least 4 bit information for function selection, i.e. for the concrete timing of this output according to Table 1. Overall, it is expedient to see at least 8 bits for the two aforementioned information.
  • a further 4 bits of the BCD inputs 20 contain the Information about the entire available time frame. During the Programming or while learning, all this information is shared with the Data word stored, which is emitted by the transmitter and via the HF receiver, the demodulator 10 and the serial input 101 is detected. As soon as consecutive If exactly the same data word has been received twice, this will be sent together with the aforementioned information is stored in the RAM memory 102.
  • the transmitted data word can, for example, consist of a 20 to 24 bit long, there are codeword permanently assigned to the transmitter as well as some changeable additional bits, which are changed, for example, by the fact that different keys or key combinations be operated on the transmitter. Corresponding keys or key combinations could, for example, be labeled with the different functions that are used for Programming was "learned" during the relevant key press.
  • the receiver almost the entire amount emanating from the transmitter in a later comparison Information as a code word or comparison word, the presence of which in the memory 102 is checked. If he finds this "code word", he releases the associated functions on the associated output or channel.
  • the actual code word of the Transmitter does not change, but the bits assigned to a specific function change in the data word sent. Because the same key was used beforehand when programming or key combination of the transmitter has been pressed, it is changed accordingly Data word along with the associated channel and function information in the memory 102 has been filed. So later the same key or key combination of the Operated transmitter, the data word in question is only together with this channel and Functional information found in memory 102, which was also previously used for programming same button press on the transmitter were stored in the memory 102 of the receiver. Man generally receives a unique assignment between a certain key press or a key combination on the transmitter and the function to be triggered, so that the Transmitter buttons can be labeled or labeled accordingly.
  • the logic takes place 108 the relevant data word two or more times in the memory 102, in each case together with different channel or function options, so that the Timer 109 a corresponding number of channels with the selected and in Controls stored timing behavior.
  • the programming of the system is facilitated by the fact that the display controller 111 is on the LCD display 50 the selected channels by numbers and the selected functions indicated by letters or special characters according to Table 1.
  • the display controller 111 is on the LCD display 50 the selected channels by numbers and the selected functions indicated by letters or special characters according to Table 1.
  • the letters "S" and "I” from the numbers "5" or "1” simply distinguished by a point after it. It is also next to it possible to display the digits only in the right segment field, while single letters in the left Segment field are displayed. Characters in both segment fields are always letters.
  • EEPROMS 60 Provided at the outputs 61, 62 of an EEPROM controller 110 integrated in the chip are connected. In principle, a mode would also be conceivable for the function and channel selection, at which a certain storage space is deleted. However, one can also access delete the EEPROMS in this specific, stored data words and information by by interrupting the power supply, the entire memory 102 is erased and then corrected data can be read back into the system in the EEPROMS. As soon as the power supply is restored, the EEPROM controller 110 begins Reading of all data stored in the EEPROMS 60 into the RAM memory 102.
  • the chip 100 can also be used with other ones, not described in more detail here
  • Elements can be equipped, in particular also with a test circuit 120 and corresponding test connections 121.
  • All other functions i.e. especially that of serial input 101, comparator 107, logic 108, timer 109 and Address control permanently programmed or "hardwired", i.e. Functional changes are not programmable, but only memory contents can be stored in memory 102 be changed, which is ultimately just a selection of different channels and one for each channel Allows selection of the time behavior within the scope of the options specified in Table 1.
  • the operating cycle of the chip 100 is determined by the oscillator 104, which in turn is determined by an external quartz with a nominal oscillation frequency of 32 kHz via inputs 31, 32 is stabilized. Since the internal data bus width when accessing the memory 102 and when Comparison with the received data words corresponds to the length of the stored data words, accordingly, a full word comparison can be made with each bar, so that even then, if multiple data word reception and comparison for triggering a function it is assumed that the processing time for the data word until the function is triggered is negligible and typically in the range of or below a thousandth of a second lies.
  • the receiver according to the invention thus fulfills the function of a group of remotely controllable ones Relays with any predefinable time behavior and with a restricted one at the same time Access authorization according to the saved transmitter codes.
  • a single recipient can trigger a large number of units and perform different functions, also arbitrary assignments between certain channels and through them triggerable functions can be made.

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Claims (17)

  1. Procédé pour décoder et convertir des signaux de télécommande codés, dans lequel un train d'impulsions, reçu dans un récepteur par l'intermédiaire d'une alimentation haute fréquence, est converti en un mot de données numériques, et au moins en partie est comparé à des mots codes mémorisés dans la zone d'un récepteur, pour déclencher, après un résultat éventuellement positif de la comparaison, au moins une fonction prédéfinissable, auquel cas, en même temps ou en plus d'un mot code, il y a côté récepteur mémorisation d'une fonction affectée au mot code et devant être déclenchée lors de la réception du mot code, de façon que le mot de données émis reçoive, outre la partie du code, au moins une information relative à la fonction à déclencher, et que la comparaison du mot de données tel que reçu et des mots codes mémorisés englobe aussi la comparaison des informations relatives à la fonction à déclencher, caractérisé en ce que, côté récepteur, est effectuée une affectation, pouvant être choisie à volonté, de fonctions à déclencher aux mots codes mémorisés.
  2. Procédé selon la revendication 1, caractérisé en ce que le déclenchement de la fonction affectée au mot de données reçu a lieu indépendamment de la position de mémoire des données de comparaison mémorisées, et seulement sur la base du contenu du mot de données reçu et de son identité aux données mémorisées.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce qu'au moins deux fonctions différentes peuvent être déclenchées, à chacune desquelles sont affectées des données d'information différentes dans les mots de données et dans les mots de comparaison mémorisés.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que, côté récepteur, les données d'informations relatives à une fonction à déclencher sont mémorisées chacune avec une partie du code, sous forme d'un bloc de données.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la partie code de l'émetteur est interprétée et traitée côté récepteur, globalement sous forme d'un mot code, en même temps que les informations émises relatives à la fonction à déclencher, et éventuellement y compris son comportement dans le temps.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les données d'informations mémorisées sous forme d'un mot de données sont extraites en parallèle à partir d'une mémoire et sont comparées aux données d'informations correspondantes du mot de données reçu.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'à chaque fonction à déclencher sont affectées des informations mémorisées relatives à une temporisation, auquel cas, après réception d'un mot de données et après la fin d'une comparaison positive avec les valeurs mémorisées, la fonction est déclenchée avec une certaine temporisation, en fonction des informations de temporisation.
  8. Procédé selon la revendication 7, caractérisé en ce que les informations relatives à la temporisation peuvent être introduites et modifiées de l'extérieur dans l'émetteur ou le récepteur.
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce que les informations sur la temporisation peuvent être mémorisées en même temps que le bloc de données qui contient le mot code correspondant et les informations portant sur la fonction à déclencher.
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que les données d'informations relatives au code, à la fonction et/ou à la temporisation sont prévues sur des données prédéfinies dans le mot de données émis.
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que la fréquence d'horloge interne destinée à la lecture et à la comparaison du mot de données reçu correspond au plus au 1/10 de la fréquence d'émission des signaux de télécommande.
  12. Procédé selon la revendication 11, caractérisé en ce que la fréquence d'horloge est inférieure à 1 MHz, de préférence inférieure à 100 kHz, tandis que la fréquence d'émission est supérieure à 10 MHz et est de préférence d'environ 27 ou d'environ 40 MHz.
  13. Dispositif pour la conversion de signaux de télécommande codés qui proviennent d'un émetteur de télécommande, et constitué d'un récepteur comportant
    a) une alimentation en courant/tension,
    b) une partie réception HF avec démodulateur,
    c) une unité de décodage,
    d) une interface,
    e) une mémoire et
    f) une logique de commande, où
    h) l'interface possède plusieurs sorties pour différentes fonctions,
       caractérisé en ce que la logique de commande a une structure ou possède une programmation qui permet d'affecter au choix des mots codes mémorisés, qui contiennent au moins une partie information portant sur la fonction à déclencher, à chacune des sorties, et qui compare les signaux de télécommande reçus aux mots codes mémorisés.
  14. Dispositif selon la revendication 13, caractérisé en ce qu'il comporte une gestion de mémoire (MCTR) avec accès parallèle aux unités d'information contenues dans les mots de données mémorisés.
  15. Dispositif selon la revendication 13 ou 14, caractérisé en ce que le décodeur, la mémoire et la logique de commande sont disposés sur un circuit commun à semi-conducteur (puce).
  16. Dispositif selon l'une des revendications 13 à 15, caractérisé en ce que la mémoire contient au moins 30 mots de données ayant chacun une longueur de 60 bits.
  17. Dispositif selon l'une des revendications 13 à 16, caractérisé en ce que des unités de temporisation réglables sont montées entre la logique de commande et les sorties.
EP95900057A 1993-11-05 1994-11-04 Procede et dispositif de conversion de signaux de telecommande codes pour le declenchement telecommande d'au moins une fonction Expired - Lifetime EP0771456B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4337805 1993-11-05
DE4337805A DE4337805A1 (de) 1993-11-05 1993-11-05 Verfahren und Vorrichtung zum Umsetzen codierter Fernsteuersignale zum ferngesteuerten Auslösen mindestens einer Funktion
PCT/DE1994/001292 WO1995012871A1 (fr) 1993-11-05 1994-11-04 Procede et dispositif de conversion de signaux de telecommande codes pour le declenchement telecommande d'au moins une fonction

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EP0771456A1 EP0771456A1 (fr) 1997-05-07
EP0771456B1 true EP0771456B1 (fr) 2001-10-04

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EP95900057A Expired - Lifetime EP0771456B1 (fr) 1993-11-05 1994-11-04 Procede et dispositif de conversion de signaux de telecommande codes pour le declenchement telecommande d'au moins une fonction

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EP (1) EP0771456B1 (fr)
AT (1) ATE206550T1 (fr)
AU (1) AU8103794A (fr)
DE (2) DE4337805A1 (fr)
DK (1) DK0771456T3 (fr)
ES (1) ES2161853T3 (fr)
WO (1) WO1995012871A1 (fr)

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US8148356B2 (en) 2005-08-24 2012-04-03 Cumberland Pharmaceuticals, Inc. Acetylcysteine composition and uses therefor

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US4893240A (en) * 1987-01-29 1990-01-09 Imad Karkouti Remote control system for operating selected functions of a vehicle
DE3741324A1 (de) * 1987-12-05 1989-06-15 Alltronik Gmbh Handsender zur aussendung codierter elektromagnetischer impulse und darauf abgestimmter empfaenger
FR2644918B1 (fr) * 1989-03-21 1994-05-06 Duranton Rene Systeme emetteur/recepteur a adressage programmable du recepteur par l'emetteur
CH683570A5 (de) * 1991-05-30 1994-03-31 Feller Ag Einrichtung zum Fernbedienen von elektrischen Verbrauchern.

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EP0771456A1 (fr) 1997-05-07
WO1995012871A1 (fr) 1995-05-11
DK0771456T3 (da) 2002-01-28
AU8103794A (en) 1995-05-23
ATE206550T1 (de) 2001-10-15
DE4337805A1 (de) 1995-05-11
DE59409899D1 (de) 2001-11-08
ES2161853T3 (es) 2001-12-16

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