WO2005013230A1 - Telecommande radio universelle - Google Patents

Telecommande radio universelle Download PDF

Info

Publication number
WO2005013230A1
WO2005013230A1 PCT/EP2004/051472 EP2004051472W WO2005013230A1 WO 2005013230 A1 WO2005013230 A1 WO 2005013230A1 EP 2004051472 W EP2004051472 W EP 2004051472W WO 2005013230 A1 WO2005013230 A1 WO 2005013230A1
Authority
WO
WIPO (PCT)
Prior art keywords
code
remote control
microcontroller
radio remote
manufacturer
Prior art date
Application number
PCT/EP2004/051472
Other languages
German (de)
English (en)
Inventor
Lutz Berger
Harald Anders
Marco Rockstroh
Original Assignee
Digades 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 Digades Gmbh filed Critical Digades Gmbh
Publication of WO2005013230A1 publication Critical patent/WO2005013230A1/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00857—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the data carrier can be programmed
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C2009/00928—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for garage doors

Definitions

  • the invention relates to the field of automotive accessory technology.
  • the invention is used as an additional module or handheld device installed in the vehicle, for example for remote-controlled opening of a garage door.
  • Radio remote-controlled garage door openers are known.
  • a telegram is sent to a radio receiver connected to the locking and opening mechanism of the garage door, or by means of a hand transmitter, which contains an address code matched to exactly one receiver.
  • the address code consists of a device-specific and a user-specific part and can be designed to be variable in accordance with an algorithm agreed in the transmitter and receiver alike (rolling code).
  • DE 196 24 817 AI describes an alignable transceiver for learning variable codes and sending variable-coded activation signals for the purpose of remote control, for example of a garage door opener.
  • the orientable receiver comprises a signal generator and a controller which is operated in a learning mode or in an operating mode.
  • the controller detects the occurrence of a variable encoding, identifies a pre-stored cryptographic algorithm related to the cryptographic algorithm used by the remote transmitter to generate the variable encoding, and stores data identifying the cryptographic algorithm as well the last transmitted coding of the activation signal.
  • the controller In the operating state, the controller generates output data which identify a next sequential coding of the variable coding, using the identified cryptographic algorithm and the data which represent the last coding transmitted.
  • the signal generator receives the output data from the controller and sends out a modulated signal which corresponds to a received activation signal and comprises a variable coding which can be recognized by a receiver of a remote-controlled device.
  • US Pat. No. 5,475,366 relates to an electrical control system for vehicle accessories, which includes, among other things, an adjustable transmitter for generating control signals for a universal garage door opener.
  • this known solution relates to an electronic compass and an electronically adjustable mirror and their combination with a keyless entry system.
  • the transmitter for the garage door opener can be arranged in the vehicle as a single device or as an integrated solution.
  • a microcontroller as a controller, a voltage-controlled oscillator for generating an RF carrier signal, a frequency control loop for the oscillator, a demodulator for generating a bit sequence from an RF input signal, a modulator for impressing a bit sequence generated by the microcontroller to the RF carrier signal and an antenna.
  • An LED signals to the user when a transmission takes place or is being prepared.
  • the device is suitable for working on several frequencies in that the frequency control loop has a programmable divider which is set up by means of an 8-bit word provided by the microcontroller.
  • this known solution offers the possibility of being set to its reception frequency after the receiver of the garage door opener has been replaced, so that a complicated intervention in the vehicle electronics can be dispensed with.
  • Additional control inputs can be given to the microcontroller via an additional interface circuit that can be connected to the microcontroller, such as the selection of a channel by means of a channel selector switch, so that a specific one is selected from a plurality of control signals.
  • this known solution is variable with regard to the transmission frequency, changing the recipient address in the transmitter is not possible without further ado.
  • the person skilled in the art would be advised to be able to notify the microcontroller if a recipient address changes, for example after the recipient or the entire opening system has been replaced.
  • the additional interface circuit appears suitable for this if it were designed accordingly.
  • the object of the present invention is to eliminate the disadvantages of the known solutions and to provide a programmable foot remote control with universal applicability.
  • the radio remote control according to the invention can be integrated in a vehicle by being connected via switch contacts and / or an in-vehicle bus system. Both a LIN and a CAN bus can be used as the bus system.
  • a LIN and a CAN bus can be used as the bus system.
  • all manufacturer codes available at that time are entered into the data storage of the microcontroller.
  • additional manufacturer codes can subsequently be entered in the data memory As long as the size of the data memory allows, or existing manufacturer codes are overwritten (update) if the microcontroller has suitable input means. This is easily the case, for example, when connecting to a CAN bus.
  • the microcontroller can be equipped with a program for changing the code, so that a receiver using rolling code can be controlled.
  • the start of such a program can advantageously be linked to one or more relevant manufacturer codes.
  • the universal applicability of the radio remote control according to the invention arises from the one-time adaptation of the transmission frequency and the coding of the transmission signal to the individuality of the respective receiver. The adjustment is selective.
  • the actual reception frequency is selected from a large number of possible frequencies by sequentially sending a signal sequence over each frequency and, when the receiver reacts, the transmitter is set to this frequency, for example by programming a divider or a frequency control loop in accordance with a control signal output by the microcontroller.
  • Common frequencies are 27 to 45 MHz, 433 to 434 MHz, 868 to 870 NHz, 900 to 1000 MHz and frequencies in the AM and FM bands, without the invention being restricted to these frequencies.
  • the recipient's manufacturer code is then determined.
  • the manufacturer code usually consists of a number of characters. For this reason, telegrams are sent cyclically, with exactly one manufacturer code from the large number of stored manufacturer codes being assigned to each telegram. The receiver will react exactly once per telegram cycle, namely when the applicable manufacturer code was the content of the telegram sent.
  • the individual positions of the manufacturer code are determined sequentially, ie the code word is specified at a first position to a last position by entering an acknowledgment signal at each response of the receiver at the transmitter. Individual or all positions can advantageously be divided into a suitable pattern in order to further make the selection more effective.
  • a three-digit manufacturer code is selected by determining the applicable block of 100 in a first pass, the applicable block of 20 in a second pass, the applicable block of 5 in a third pass, and then sequentially determining the applicable number in the relevant 5 block ,
  • the code word selected in this way is suitably identified or advantageously stored in a separate memory location.
  • An individual code is then saved. This can be done by entering the code memory of the transmitter and the code memory of the receiver or in the code memory of the transmitter only, insofar as the vidualcode is not changed at the recipient.
  • Such receiver code memories regularly exist in the form of rows of dip switches.
  • the input into the transmitter's data memory takes place directly, for example via an in-vehicle operating panel of an infotainment system, or analogously to the selection of the manufacturer code if, for example, a sequentially activatable keyboard is used as the input means.
  • a simple light indicator for example an LED, serves as the output device.
  • the radio remote control can be used. If either the radio remote control or the receiver is defective, only the defective functional unit needs to be replaced, since an existing radio remote control can be programmed for each new receiver and a new radio remote control for each existing receiver. With a new radio remote control, a fuse must of course be overcome before it is used on an existing receiver to prevent unlawful use.
  • FIG. 1 shows a block circuit diagram of a radio remote control according to the invention for a garage door opener
  • FIG. 2 shows a flow diagram of the sequential code selection
  • FIG. 3 shows the sequence of the sequential code selection according to FIG. 2 using the example of the manufacturer code 223.
  • a radio remote control consists of a transmitting and operating unit arranged in a vehicle and a receiving unit E arranged in a building.
  • the transmitting and operating unit comprises a transmitting unit F and an operating unit which consists of an input / output Panel P and a bus gateway G exist, input / output panel P and bus gateway G being connected to the transmission unit F via an in-vehicle bus system B.
  • the transmission unit F itself consists of a bus coupling module C, a transceiver T connected to the bus coupling module C, a microcontroller M connected to the transceiver T and an HF transmission network HF connected to a transmitter antenna AF is.
  • the microcontroller M has a sequentially readable data memory D which, as shown, can be connected to the microcontroller M or can be embodied integrated therein.
  • An RF frequency generator O is connected to the microcontroller M via a control connection, the output of which is led to the RF transmission network HF.
  • the receiver unit E shown here by way of example has an HF reception network HE to which one Receiving antenna AE is performed.
  • the HF reception network HE is connected to a switching logic L, the output of which is led to a switching relay R, to the switching contacts of which the garage door opener (not shown) is connected.
  • the switching logic L has a dip coding switch K for determining the individual code belonging to the receiver E's individual address in addition to the manufacturer code stored in the switching logic.
  • the option familiar to the person skilled in the art to provide a connection of the receiver unit E to a building bus system such as the European installation bus EIB is not shown.
  • the operation is carried out by making an entry on the control panel P.
  • the entry can advantageously consist of pressing a key or acknowledging a displayed selection field.
  • the transmission unit F generates a telegram in a known manner and emits it via the transmitter antenna AF, which is characterized by its address bit sequence.
  • the telegram is received via the HF receiving network HE, so that the switching logic L switches the switching relay R releases and the garage door opener is put into operation.
  • the dip coding switch K of the receiving unit E is advantageously set to an initialization code.
  • This activation code enables the transmission unit F to send out such encoded telegrams on the country-specific frequencies in order to determine the reception frequency of the receiver unit E and to set up the frequency generator O accordingly. If the transmission frequency is matched to the reception frequency, the manufacturer code of the receiver unit E is selectively determined from the total quantity of manufacturer codes entered in the data memory D.
  • the illustrated embodiment of the invention relates to three-digit manufacturer codes. Telegram sequences are sent cyclically by the transmitting unit F, with each telegram being assigned a manufacturer code from the large number of stored manufacturer codes.
  • the 100 blocks are searched sequentially, in the applicable 100 block 20 blocks are searched sequentially, in the relevant 20 block 5 blocks are searched sequentially and the relevant 5 block is searched sequentially until the number representing the manufacturer code has been found.
  • the receiver unit E reacts and the code position assigned to the run is stored in a register of the microcontroller M, after which the transmission unit has received a corresponding acknowledgment signal that both can be generated by pressing the button on the part of the operator and can also be a signal emitted by a receiver unit E, for example in the form of a transponder. Then the telegram cycle starts again until all positions of the register are filled.
  • 3 shows the search for the manufacturer code 223 as an example.
  • the first line (1, ..., 500) represents the total amount of manufacturer codes in the data memory D.
  • the third block of 100 (201, ..., 300) it is determined that the target code is contained, since the receiver unit E reacts here.
  • the blocks of 20 of the third block of 100 are searched in the same way, the destination code being contained in the second block of 20 and the search in the first block of 5 of the second block of 20 of the third block of 100 being continued and a match being established, so that finally this block of 5 is found sequentially and the complete target code 223 is determined.
  • the significant manufacturer code determined in this way is stored, for example, in the address register of the microcontroller M and, after the individual code of the user of the receiver unit E set on the dip coding switch K of the receiver unit E has been determined, supplemented by the individual code.
  • the individual code is entered directly on the control panel P. However, if there is no control panel suitable for entering digits, the individual code can be entered in the same way as a code determination, as can the determination of the manufacturer code.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne une télécommande programmable dont le domaine d'affectation est universel. Cette télécommande universelle comprend un émetteur haute fréquence, dont la fréquence de sortie est réglable au moyen d'un signal de commande généré par un microcontrôleur relié à un dispositif d'entrée et de sortie. Ce microcontrôleur a accès à une mémoire de données, dans laquelle est stockée une pluralité de codes fabricants, et il est relié à l'émetteur haute fréquence par un modulateur, le dispositif d'entrée et de sortie, le microcontrôleur et l'émetteur étant raccordés à une source de tension. Le paramétrage de la télécommande universelle est réalisé en déterminant une fréquence d'émission au moyen de la détermination sélective de la fréquence de réception de l'appareil récepteur, en déterminant une suite binaire du télégramme d'émission par la sélection du code fabricant de l'appareil récepteur parmi une pluralité de codes fabricants mémorisés, et en déterminant un code individuel réglable en fonction de l'appareil récepteur.
PCT/EP2004/051472 2003-07-29 2004-07-13 Telecommande radio universelle WO2005013230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334440.3-55 2003-07-29
DE2003134440 DE10334440B4 (de) 2003-07-29 2003-07-29 Verfahren zur Parametrierung universeller Funkfernbedienungen

Publications (1)

Publication Number Publication Date
WO2005013230A1 true WO2005013230A1 (fr) 2005-02-10

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ID=34111706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/051472 WO2005013230A1 (fr) 2003-07-29 2004-07-13 Telecommande radio universelle

Country Status (2)

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DE (1) DE10334440B4 (fr)
WO (1) WO2005013230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2890222A1 (fr) * 2005-08-29 2007-03-02 Andre Poulat Procede et dispositif d'activation et de controle de multiples appareillages electriques par telecommande

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841390A (en) * 1994-07-05 1998-11-24 Tsui; Philip Y. W. Remote transmitter-receiver controller for multiple systems
US6078271A (en) * 1998-02-20 2000-06-20 Lear Automotive Dearborn, Inc. Multiple-frequency programmable transmitter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US475366A (en) * 1892-05-24 Tongue-support
US5627529A (en) * 1994-03-11 1997-05-06 Prince Corporation Vehicle control system with trainable transceiver
US5661804A (en) * 1995-06-27 1997-08-26 Prince Corporation Trainable transceiver capable of learning variable codes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841390A (en) * 1994-07-05 1998-11-24 Tsui; Philip Y. W. Remote transmitter-receiver controller for multiple systems
US6078271A (en) * 1998-02-20 2000-06-20 Lear Automotive Dearborn, Inc. Multiple-frequency programmable transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2890222A1 (fr) * 2005-08-29 2007-03-02 Andre Poulat Procede et dispositif d'activation et de controle de multiples appareillages electriques par telecommande
WO2007026069A1 (fr) * 2005-08-29 2007-03-08 Poulat Andre Procede et dispositif d 'activation et de controle a distance de multiples appareillages electriques par telecommande

Also Published As

Publication number Publication date
DE10334440B4 (de) 2008-05-15
DE10334440A1 (de) 2005-03-10

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