CA1181152A - Systeme generateur d'un signal de deverrouillage - Google Patents

Systeme generateur d'un signal de deverrouillage

Info

Publication number
CA1181152A
CA1181152A CA000405183A CA405183A CA1181152A CA 1181152 A CA1181152 A CA 1181152A CA 000405183 A CA000405183 A CA 000405183A CA 405183 A CA405183 A CA 405183A CA 1181152 A CA1181152 A CA 1181152A
Authority
CA
Canada
Prior art keywords
code
signal
terminal
unit
random
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
Application number
CA000405183A
Other languages
English (en)
Inventor
Gunnar O. Persson
Kjell I. Jeppsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Securitas International AB
Original Assignee
Securitas International AB
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 Securitas International AB filed Critical Securitas International AB
Application granted granted Critical
Publication of CA1181152A publication Critical patent/CA1181152A/fr
Expired legal-status Critical Current

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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/21—Individual registration on entry or exit involving the use of a pass having a variable access 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
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/20—Checking timed patrols, e.g. of watchman
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)
CA000405183A 1981-07-01 1982-06-15 Systeme generateur d'un signal de deverrouillage Expired CA1181152A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8104106-3 1981-07-01
SE8104106A SE423736B (sv) 1981-07-01 1981-07-01 Anleggning for att alstra en manoversignal

Publications (1)

Publication Number Publication Date
CA1181152A true CA1181152A (fr) 1985-01-15

Family

ID=20344182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000405183A Expired CA1181152A (fr) 1981-07-01 1982-06-15 Systeme generateur d'un signal de deverrouillage

Country Status (8)

Country Link
JP (1) JPS5814299A (fr)
BE (1) BE893723A (fr)
CA (1) CA1181152A (fr)
DK (1) DK153259C (fr)
FI (1) FI72826C (fr)
GB (1) GB2102996B (fr)
NO (1) NO156663C (fr)
SE (1) SE423736B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL64675A0 (en) * 1981-12-30 1982-03-31 Greenberg Avigdor Data verification system
DE3533713A1 (de) * 1985-09-21 1986-06-12 Heinz 5000 Köln Raible Universelles einbruchs-/diebstahlsicherungs-system
GB2184273A (en) * 1985-12-17 1987-06-17 Istvan Igari Code-operated, combined access-and-operation security system
FR2596899B1 (fr) * 1986-04-04 1992-01-03 Laisne Yves Systeme de controle de vigilance en temps reel
FR2615306B1 (fr) * 1987-05-15 1992-09-11 Realisa Electro Meca Et Systeme centralise de communication, a boitier portatif et reseau de terminaux fixes, notamment pour la teleidentification de personnes, boitier correspondant et procede de fonctionnement d'un tel systeme
GB8813730D0 (en) * 1988-06-10 1988-07-13 Omni Services Ltd Time defence system
GB2260208B (en) * 1989-02-18 1993-09-01 Olivetti Res Ltd Authentication system
GB2230365B (en) * 1989-02-18 1993-05-26 Olivetti Research Ltd Mobile carrier tracking system
FR2674656B1 (fr) * 1991-03-26 1993-05-28 Bruneau Edward Dispositif d'actionnement autorise des organes de condamnation d'une installation.
FR2711821B1 (fr) * 1993-10-22 1995-12-29 Cogema Système de surveillance d'une installation industrielle.
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
FR2763723B1 (fr) * 1997-05-20 1999-08-13 Himalaya Dispositif d'identification et de localisation d'une personne
FR2774718B1 (fr) * 1998-02-09 2000-04-14 Christian Martineau Dispositif electronique de commande d'ouverture et de fermeture par echange de codes aleatoires porteurs d'identifiants et d'etats
GB2344670B (en) * 1998-12-12 2003-09-03 Ibm System, apparatus and method for controlling access
USD949964S1 (en) * 2019-09-18 2022-04-26 Hewlett-Packard Development Company, L.P. Large format printer

Also Published As

Publication number Publication date
SE423736B (sv) 1982-05-24
BE893723A (fr) 1982-11-03
NO156663C (no) 1987-10-28
DK153259C (da) 1988-11-28
GB2102996A (en) 1983-02-09
NO822150L (no) 1983-01-03
GB2102996B (en) 1985-04-17
JPS5814299A (ja) 1983-01-27
DK153259B (da) 1988-06-27
FI822084A0 (fi) 1982-06-11
FI72826B (fi) 1987-03-31
FI72826C (fi) 1987-07-10
FI822084L (fi) 1983-01-02
NO156663B (no) 1987-07-20
DK293782A (da) 1983-01-02

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry