GB8818908D0 - Key & control circuit for lock of key - Google Patents

Key & control circuit for lock of key

Info

Publication number
GB8818908D0
GB8818908D0 GB888818908A GB8818908A GB8818908D0 GB 8818908 D0 GB8818908 D0 GB 8818908D0 GB 888818908 A GB888818908 A GB 888818908A GB 8818908 A GB8818908 A GB 8818908A GB 8818908 D0 GB8818908 D0 GB 8818908D0
Authority
GB
United Kingdom
Prior art keywords
key
lock
control circuit
circuit
control
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.)
Withdrawn
Application number
GB888818908A
Other versions
GB2221714A (en
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.)
LEE J-J
Original Assignee
LEE J-J
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 LEE J-J filed Critical LEE J-J
Priority to GB8818908A priority Critical patent/GB2221714A/en
Publication of GB8818908D0 publication Critical patent/GB8818908D0/en
Publication of GB2221714A publication Critical patent/GB2221714A/en
Withdrawn legal-status Critical Current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
    • G07C9/00182—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
    • G07C2009/00238—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
    • G07C2009/00761—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 connected means, e.g. mechanical contacts, plugs, connectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
GB8818908A 1988-08-09 1988-08-09 Electronic lock and key Withdrawn GB2221714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8818908A GB2221714A (en) 1988-08-09 1988-08-09 Electronic lock and key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8818908A GB2221714A (en) 1988-08-09 1988-08-09 Electronic lock and key

Publications (2)

Publication Number Publication Date
GB8818908D0 true GB8818908D0 (en) 1988-09-14
GB2221714A GB2221714A (en) 1990-02-14

Family

ID=10641848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8818908A Withdrawn GB2221714A (en) 1988-08-09 1988-08-09 Electronic lock and key

Country Status (1)

Country Link
GB (1) GB2221714A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990015211A1 (en) * 1989-06-02 1990-12-13 Tls Technologies Pty. Ltd. Security system
DE4310854C2 (en) * 1993-04-02 1995-09-21 Michael Piorr Security system against break-ins and / or break-ins
IT1278946B1 (en) * 1995-04-28 1997-11-28 Federico Prignacca NEW SYSTEM FOR THE CONTROL OF ELECTROMECHANICAL LOCKS ENABLED BY MEANS OF ELECTRONIC DEVICES
US6564601B2 (en) 1995-09-29 2003-05-20 Hyatt Jr Richard G Electromechanical cylinder plug
US6588243B1 (en) 1997-06-06 2003-07-08 Richard G. Hyatt, Jr. Electronic cam assembly
US6891458B2 (en) 1997-06-06 2005-05-10 Richard G. Hyatt Jr. Electronic cam assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1337233A (en) * 1971-04-09 1973-11-14 Eastern Co Electronic lock and key device
US3854120A (en) * 1973-04-30 1974-12-10 S Veres Electromechanical programmable lock
FR2407322A1 (en) * 1977-10-25 1979-05-25 Bernier Raymond ELECTRONIC LOCK WHOSE CODE IS EASY TO MODIFY BY THE USER
US4594637A (en) * 1985-02-21 1986-06-10 Sidney Falk Digital electronic lock system

Also Published As

Publication number Publication date
GB2221714A (en) 1990-02-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)