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IT1249853B - REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE. - Google Patents

REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE.

Info

Publication number
IT1249853B
IT1249853B ITTO910788A ITTO910788A IT1249853B IT 1249853 B IT1249853 B IT 1249853B IT TO910788 A ITTO910788 A IT TO910788A IT TO910788 A ITTO910788 A IT TO910788A IT 1249853 B IT1249853 B IT 1249853B
Authority
IT
Italy
Prior art keywords
code
remote control
drive
receiver
actuator
Prior art date
Application number
ITTO910788A
Other languages
Italian (it)
Inventor
Giovanni Dentis
Maurizio Zecchini
Original Assignee
Trw Sipea Spa
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 Trw Sipea Spa filed Critical Trw Sipea Spa
Priority to ITTO910788A priority Critical patent/IT1249853B/en
Publication of ITTO910788A0 publication Critical patent/ITTO910788A0/en
Priority to DE4234822A priority patent/DE4234822A1/en
Priority to JP28034392A priority patent/JPH09221949A/en
Priority to FR9212473A priority patent/FR2685525A1/en
Publication of ITTO910788A1 publication Critical patent/ITTO910788A1/en
Application granted granted Critical
Publication of IT1249853B publication Critical patent/IT1249853B/en

Links

Classifications

    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • 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
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
    • G07C2009/00253—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling code
    • 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
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00785—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light

Landscapes

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

Abstract

Viene descritto un telecomando (1) nel quale il codice di riconoscimento trasmesso dal trasmettitore è composto da una parte fissa (codice di identificazione, A) e da una parte memorizzante il numero di azionamenti (codice azionamenti B). Il codice azionamenti è generato da un contatore (7) disposto nel trasmettitore (2) e viene incrementato ad ogni azionamento del telecomando. Tale codice viene inoltre scritto nel ricevitore (3) al termine di ogni azionamento andato a buon fine. Al ricevimento del codice di riconoscimento, il ricevitore (3) verifica l'uguaglianza del codice di identificazione ricevuto con il codice di identificazione memorizzato e verifica che il codice azionamenti ricevuto sia maggiore di almeno una unità rispetto al codice azionamenti precedentemente memorizzato nella propria memoria (29). Il segnale di consenso per gli attuatori viene generato solo se la verifica da esito positivo. In tal modo, l'eventuale copiatura del codice non consente l'effrazione, purché il ricevitore (3) venga azionato almeno una volta nel periodo di tempo fra la copiatura del codice e l'uso del codice copiato.Figure 1, 2.A remote control (1) is described in which the recognition code transmitted by the transmitter is made up of a fixed part (identification code, A) and a part storing the number of drives (drive code B). The drive code is generated by a counter (7) arranged in the transmitter (2) and is increased with each actuation of the remote control. This code is also written in the receiver (3) at the end of each successful operation. Upon receipt of the recognition code, the receiver (3) verifies the equality of the identification code received with the stored identification code and verifies that the received drive code is greater than at least one unit compared to the drive code previously stored in its memory ( 29). The consent signal for the actuators is generated only if the verification is successful. In this way, any copying of the code does not allow break-in, provided that the receiver (3) is activated at least once in the period of time between copying the code and the use of the copied code. Figures 1, 2.

ITTO910788A 1991-10-18 1991-10-18 REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE. IT1249853B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO910788A IT1249853B (en) 1991-10-18 1991-10-18 REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE.
DE4234822A DE4234822A1 (en) 1991-10-18 1992-10-15 Remote control for motor vehicle central locking - transmits code by electronic key formed by mixing selected code with fixed code sequence
JP28034392A JPH09221949A (en) 1991-10-18 1992-10-19 Remote control device for automotive actuators
FR9212473A FR2685525A1 (en) 1991-10-18 1992-10-19 REMOTE CONTROL FOR MANUFACTURING, PARTICULARLY FOR A MOTOR VEHICLE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910788A IT1249853B (en) 1991-10-18 1991-10-18 REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE.

Publications (3)

Publication Number Publication Date
ITTO910788A0 ITTO910788A0 (en) 1991-10-18
ITTO910788A1 ITTO910788A1 (en) 1993-04-18
IT1249853B true IT1249853B (en) 1995-03-28

Family

ID=11409652

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910788A IT1249853B (en) 1991-10-18 1991-10-18 REMOTE CONTROL FOR ACTUATOR VEHICLES, IN PARTICULAR OF A VEHICLE.

Country Status (4)

Country Link
JP (1) JPH09221949A (en)
DE (1) DE4234822A1 (en)
FR (1) FR2685525A1 (en)
IT (1) IT1249853B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305361A1 (en) * 1993-02-22 1994-08-25 Siemens Ag Method for ensuring the exclusive operation of devices and/or systems, in particular conveyor trucks, by authorised personnel
DE4328392A1 (en) * 1993-08-24 1995-03-02 Bosch Gmbh Robert Remote control system
EP0719369B1 (en) * 1993-09-13 1998-12-09 Rockwell International Corporation Apparatus for remote implementation of a command
AU7684794A (en) * 1993-09-13 1995-04-03 Rockwell International Corporation Method for friend/foe screening of a remote access command signal
DE4331664C1 (en) * 1993-09-17 1994-06-09 Daimler Benz Ag Code-protected vehicle control system e.g. engine management - has code generator, e.g. magnetic card or infrared transmitter, for activating controllers contg. stored value for combining with received and decoded value in OR=gate
US5594429A (en) * 1993-10-27 1997-01-14 Alps Electric Co., Ltd. Transmission and reception system and signal generation method for same
DE4414644A1 (en) * 1993-10-29 1995-05-04 Bosch Gmbh Robert Vehicle security arrangement
DE4338106A1 (en) * 1993-11-08 1995-05-11 Wallinger Josef M Dr Ing Security device for motor vehicles
JP2915299B2 (en) * 1994-09-09 1999-07-05 本田技研工業株式会社 Vehicle anti-theft device
DE4433499C2 (en) * 1994-09-20 1998-06-18 Siemens Ag Electronic anti-theft protection system for a motor vehicle
DE19503756A1 (en) * 1995-02-04 1996-08-08 Audi Ag Remote control installation or device for locking car doors
JP2922821B2 (en) * 1995-02-08 1999-07-26 本田技研工業株式会社 Vehicle data processing method and device
DE19632025C2 (en) * 1996-08-08 1998-07-23 Daimler Benz Ag Authentication device with electronic authentication communication
AU743933B2 (en) * 1998-07-20 2002-02-07 Robert Bosch Gmbh An entry system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1183797B (en) * 1985-04-04 1987-10-22 Mario Turatti CONTROL DEVICE FOR ACTUATOR VEHICLES MOUNTED ON A VEHICLE
DE3536378A1 (en) * 1985-10-11 1987-04-16 Bayerische Motoren Werke Ag SAFETY DEVICE FOR A MOTOR VEHICLE
DE3905651A1 (en) * 1989-02-24 1990-08-30 Daimler Benz Ag METHOD FOR SECURING CODE WORDS OF A REMOTE CONTROL SYSTEM AND REMOTE CONTROL SYSTEM WITH CODE TRANSFERABLE BY CODE WORDS

Also Published As

Publication number Publication date
ITTO910788A0 (en) 1991-10-18
FR2685525A1 (en) 1993-06-25
DE4234822A1 (en) 1993-04-22
JPH09221949A (en) 1997-08-26
ITTO910788A1 (en) 1993-04-18

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971029