FR2603933B1 - Control device by approximation in particular for electric locks - Google Patents

Control device by approximation in particular for electric locks

Info

Publication number
FR2603933B1
FR2603933B1 FR8613106A FR8613106A FR2603933B1 FR 2603933 B1 FR2603933 B1 FR 2603933B1 FR 8613106 A FR8613106 A FR 8613106A FR 8613106 A FR8613106 A FR 8613106A FR 2603933 B1 FR2603933 B1 FR 2603933B1
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
approximation
particular
control device
electric locks
locks
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.)
Expired - Fee Related
Application number
FR8613106A
Other languages
French (fr)
Other versions
FR2603933A1 (en )
Original Assignee
Espinadel Gerard
Morel Jean Baptiste
Latorre Jack
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
Grant date

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically 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
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual entry or exit registers
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically 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
    • G07C2009/00769Electronically 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
    • G07C2009/00777Electronically 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 induction
FR8613106A 1986-09-17 1986-09-17 Control device by approximation in particular for electric locks Expired - Fee Related FR2603933B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8613106A FR2603933B1 (en) 1986-09-17 1986-09-17 Control device by approximation in particular for electric locks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8613106A FR2603933B1 (en) 1986-09-17 1986-09-17 Control device by approximation in particular for electric locks
FR8711557A FR2619410B2 (en) 1986-09-17 1987-08-13 Control device by approximation in particular for electric locks

Publications (2)

Publication Number Publication Date
FR2603933A1 true FR2603933A1 (en) 1988-03-18
FR2603933B1 true FR2603933B1 (en) 1994-10-14

Family

ID=9339093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8613106A Expired - Fee Related FR2603933B1 (en) 1986-09-17 1986-09-17 Control device by approximation in particular for electric locks

Country Status (1)

Country Link
FR (1) FR2603933B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301750B (en) * 1995-05-27 2000-02-16 Motorola Inc A data transfer system and a demodulator therefor
DE19600556A1 (en) * 1996-01-09 1997-07-24 Siemens Ag A method of operating an anti-theft system and antitheft system
DE19653841A1 (en) * 1996-12-21 1998-06-25 Mannesmann Vdo Ag Means for energy transmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634303A1 (en) * 1976-07-30 1978-02-02 Knorr Bremse Gmbh Electronic lock and key system - uses contactless data exchange and compares generated and stored signals
EP0115747A1 (en) * 1983-01-11 1984-08-15 SAET S.p.A. Electronic antitheft device comprising an electronic key
FI841986A (en) * 1984-05-17 1985-11-18 Waertsilae Oy Ab Laosningssystem.

Also Published As

Publication number Publication date Type
FR2603933A1 (en) 1988-03-18 application

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Legal Events

Date Code Title Description
ST Notification of lapse