GB2202577B - Combination locks - Google Patents

Combination locks

Info

Publication number
GB2202577B
GB2202577B GB8806676A GB8806676A GB2202577B GB 2202577 B GB2202577 B GB 2202577B GB 8806676 A GB8806676 A GB 8806676A GB 8806676 A GB8806676 A GB 8806676A GB 2202577 B GB2202577 B GB 2202577B
Authority
GB
United Kingdom
Prior art keywords
combination locks
locks
combination
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
GB8806676A
Other versions
GB8806676D0 (en
GB2202577A (en
Inventor
Cyril Hilsum
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8806676D0 publication Critical patent/GB8806676D0/en
Publication of GB2202577A publication Critical patent/GB2202577A/en
Application granted granted Critical
Publication of GB2202577B publication Critical patent/GB2202577B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/00698—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in function of displayed informations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
GB8806676A 1987-03-20 1988-03-21 Combination locks Expired - Fee Related GB2202577B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878706679A GB8706679D0 (en) 1987-03-20 1987-03-20 Combination locks

Publications (3)

Publication Number Publication Date
GB8806676D0 GB8806676D0 (en) 1988-04-20
GB2202577A GB2202577A (en) 1988-09-28
GB2202577B true GB2202577B (en) 1991-05-08

Family

ID=10614336

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878706679A Pending GB8706679D0 (en) 1987-03-20 1987-03-20 Combination locks
GB8806676A Expired - Fee Related GB2202577B (en) 1987-03-20 1988-03-21 Combination locks

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878706679A Pending GB8706679D0 (en) 1987-03-20 1987-03-20 Combination locks

Country Status (1)

Country Link
GB (2) GB8706679D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2071577A1 (en) 1991-06-21 1992-12-22 Gerald L. Dawson Electronic combination lock with high security features
IL99716A (en) * 1991-10-11 1996-09-12 Technolock Engineering Door locking system
JPH06229155A (en) 1992-01-13 1994-08-16 C & M Technology Inc Security lock mechanism
GB2364546A (en) * 2000-07-08 2002-01-30 Michael Ralph Security lock with code entry device
US8635893B2 (en) 2008-09-05 2014-01-28 Lock II, L.L.C. High security lock
CA3077927C (en) 2008-09-05 2023-07-11 Lock II, L.L.C. High security lock
US8093986B2 (en) 2009-01-20 2012-01-10 Lock II, L.L.C. Self-powered electronic lock
WO2014100115A2 (en) 2012-12-19 2014-06-26 Lock Ii, Llc Device and methods for preventing unwanted access to a locked enclosure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812403A (en) * 1972-06-29 1974-05-21 K Gartner Electronic combination lock including sequential signal generator and signal display
US3885408A (en) * 1973-10-29 1975-05-27 Jr Charles T Clark Finger operated electro-optical lock and method
US3893073A (en) * 1974-02-06 1975-07-01 Westinghouse Electric Corp Keyless control mechanism
WO1981002349A1 (en) * 1980-02-15 1981-08-20 Rehm Pty Ltd Improvements in security means
EP0076479A2 (en) * 1981-10-02 1983-04-13 Nissan Motor Co., Ltd. Electronic lock system with audible entry monitor
GB2134962A (en) * 1983-02-02 1984-08-22 Lucas Hong Yiu Woo Electronic display and safety lock for travelling case
EP0068437B1 (en) * 1981-06-24 1986-10-08 Nissan Motor Co., Ltd. Keyless entry system for an automotive vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812403A (en) * 1972-06-29 1974-05-21 K Gartner Electronic combination lock including sequential signal generator and signal display
US3885408A (en) * 1973-10-29 1975-05-27 Jr Charles T Clark Finger operated electro-optical lock and method
US3893073A (en) * 1974-02-06 1975-07-01 Westinghouse Electric Corp Keyless control mechanism
WO1981002349A1 (en) * 1980-02-15 1981-08-20 Rehm Pty Ltd Improvements in security means
EP0068437B1 (en) * 1981-06-24 1986-10-08 Nissan Motor Co., Ltd. Keyless entry system for an automotive vehicle
EP0076479A2 (en) * 1981-10-02 1983-04-13 Nissan Motor Co., Ltd. Electronic lock system with audible entry monitor
GB2134962A (en) * 1983-02-02 1984-08-22 Lucas Hong Yiu Woo Electronic display and safety lock for travelling case

Also Published As

Publication number Publication date
GB8706679D0 (en) 1987-04-23
GB8806676D0 (en) 1988-04-20
GB2202577A (en) 1988-09-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940321