IT1265423B1 - ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON. - Google Patents

ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON.

Info

Publication number
IT1265423B1
IT1265423B1 IT93MI002707A ITMI932707A IT1265423B1 IT 1265423 B1 IT1265423 B1 IT 1265423B1 IT 93MI002707 A IT93MI002707 A IT 93MI002707A IT MI932707 A ITMI932707 A IT MI932707A IT 1265423 B1 IT1265423 B1 IT 1265423B1
Authority
IT
Italy
Prior art keywords
receiver
storing
microprocessor
variable transmission
memories
Prior art date
Application number
IT93MI002707A
Other languages
Italian (it)
Inventor
Andrea Martini
Franco Zgauc
Original Assignee
Systhema Srl
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 Systhema Srl filed Critical Systhema Srl
Priority to IT93MI002707A priority Critical patent/IT1265423B1/en
Publication of ITMI932707A0 publication Critical patent/ITMI932707A0/en
Priority to PCT/EP1994/004179 priority patent/WO1995017739A1/en
Priority to AU13153/95A priority patent/AU1315395A/en
Publication of ITMI932707A1 publication Critical patent/ITMI932707A1/en
Application granted granted Critical
Publication of IT1265423B1 publication Critical patent/IT1265423B1/en

Links

Classifications

    • 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
    • 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
    • G07C2009/0023—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 with encription of the transmittted data signal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Burglar Alarm Systems (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Il dispositivo comprende un trasmettitore (T) ed un ricevitore (R). Il trasmettitore (T) comprende una memoria non riscrivibile (ID) per la memorizzazione di un codice di identificazione fisso, una memoria riscrivile (D) per la memorizzazione di un codice di trasmissione variabile ed un microprocessore (M1) con algoritmo prefissato per la formazione e l'emissione di una stringa di dati contenente detti codici. Il ricevitore (R) comprende almeno una memoria (ID1-IDn) per la memorizzazione di almeno un codice di identificazione fisso, almeno una memoria riscrivibile (D1-Dn) per la memorizzazione di almeno un codice di trasmissione variabile coincidente con un precedente codice di trasmissione variabile ricevuto dal ricevitore ed un microprocessore (M2) ad algoritmo prefissato per il confronto della stringa di dati ricevuti con detto codice di identificazione e detto codice di trasmissione variabile memorizzati in dette memorie (ID1-IDn; D1-Dn) del ricevitore. Entrambe le memorie (ID, D) del trasmettitore (T) sono incluse assieme al relativo microprocessore (M1) all'interno di un unico contenitore sigillato (C1) atto ad impedire l'accesso all'algoritmo di detto microprocessore (M1) e al contenuto di dette memorie (ID, D).(Fig. 1).The device comprises a transmitter (T) and a receiver (R). The transmitter (T) includes a non-rewritable memory (ID) for storing a fixed identification code, a rewritable memory (D) for storing a variable transmission code and a microprocessor (M1) with a predetermined algorithm for training and issuing a data string containing said codes. The receiver (R) comprises at least one memory (ID1-IDn) for storing at least one fixed identification code, at least one rewritable memory (D1-Dn) for storing at least one variable transmission code coinciding with a previous variable transmission received from the receiver and a microprocessor (M2) with a predetermined algorithm for comparing the string of data received with said identification code and said variable transmission code stored in said memories (ID1-IDn; D1-Dn) of the receiver. Both memories (ID, D) of the transmitter (T) are included together with the relative microprocessor (M1) inside a single sealed container (C1) designed to prevent access to the algorithm of said microprocessor (M1) and to the content of said memories (ID, D). (Fig. 1).

IT93MI002707A 1993-12-22 1993-12-22 ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON. IT1265423B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT93MI002707A IT1265423B1 (en) 1993-12-22 1993-12-22 ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON.
PCT/EP1994/004179 WO1995017739A1 (en) 1993-12-22 1994-12-16 Electronic device for the operation of utilities such as burglar-alarm units, door-openers, switches and so on
AU13153/95A AU1315395A (en) 1993-12-22 1994-12-16 Electronic device for the operation of utilities such as burglar-alarm units, door-openers, switches and so on

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI002707A IT1265423B1 (en) 1993-12-22 1993-12-22 ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON.

Publications (3)

Publication Number Publication Date
ITMI932707A0 ITMI932707A0 (en) 1993-12-22
ITMI932707A1 ITMI932707A1 (en) 1995-06-22
IT1265423B1 true IT1265423B1 (en) 1996-11-22

Family

ID=11367385

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI002707A IT1265423B1 (en) 1993-12-22 1993-12-22 ELECTRONIC DEVICE FOR CONTROL OF USERS SUCH AS THEFT ALARM, DOOR OPENERS, SWITCHES AND SO ON.

Country Status (3)

Country Link
AU (1) AU1315395A (en)
IT (1) IT1265423B1 (en)
WO (1) WO1995017739A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002031296A1 (en) * 2000-10-13 2002-04-18 Delivereez Pty Ltd Electronic security apparatus and system
JP4153283B2 (en) * 2002-10-16 2008-09-24 アルプス電気株式会社 Security related data handling apparatus and handling method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH04143386A (en) * 1990-10-04 1992-05-18 Casio Comput Co Ltd Electronic key device
EP0509567A3 (en) * 1991-03-28 1993-04-07 N.V. Philips' Gloeilampenfabrieken Device with protection against access to secure information

Also Published As

Publication number Publication date
AU1315395A (en) 1995-07-10
ITMI932707A1 (en) 1995-06-22
WO1995017739A1 (en) 1995-06-29
ITMI932707A0 (en) 1993-12-22

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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: 19971222