GB1467892A - - Google Patents

Info

Publication number
GB1467892A
GB1467892A GB251776A GB251776A GB1467892A GB 1467892 A GB1467892 A GB 1467892A GB 251776 A GB251776 A GB 251776A GB 251776 A GB251776 A GB 251776A GB 1467892 A GB1467892 A GB 1467892A
Authority
GB
United Kingdom
Prior art keywords
locks
codes
means establishing
control centre
locking system
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
GB251776A
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 filed Critical
Priority to GB251776A priority Critical patent/GB1467892A/en
Publication of GB1467892A publication Critical patent/GB1467892A/en
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
    • G07C9/00174—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
    • G07C9/00904—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 hotels, motels, office buildings or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Abstract

1467892 Locking system having variable acceptance codes PITNEY BOWES INC 23 Jan 1974 02517/76 Divided out of 1467891 Heading E2A The disclosure is identical to Specification 1467891 from which this Specification has been divided, but the claim relates to a locking system having a number of locks wherein each lock has means establishing a different code for acceptance in turn, and the system comprises a control centre having means establishing codes corresponding to those established by the locks and to issue codes currently appropriate to one or more of the locks, the means establishing the codes in the control centre and in the locks operating independently.
GB251776A 1974-01-23 1974-01-23 Expired GB1467892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB251776A GB1467892A (en) 1974-01-23 1974-01-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB251776A GB1467892A (en) 1974-01-23 1974-01-23

Publications (1)

Publication Number Publication Date
GB1467892A true GB1467892A (en) 1977-03-23

Family

ID=9740963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB251776A Expired GB1467892A (en) 1974-01-23 1974-01-23

Country Status (1)

Country Link
GB (1) GB1467892A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237622A1 (en) 1982-10-11 1984-04-12 Bayerische Motoren Werke AG, 8000 München SECURITY DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237622A1 (en) 1982-10-11 1984-04-12 Bayerische Motoren Werke AG, 8000 München SECURITY DEVICE

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19940122