GB2079842B - Locks - Google Patents

Locks

Info

Publication number
GB2079842B
GB2079842B GB8121145A GB8121145A GB2079842B GB 2079842 B GB2079842 B GB 2079842B GB 8121145 A GB8121145 A GB 8121145A GB 8121145 A GB8121145 A GB 8121145A GB 2079842 B GB2079842 B GB 2079842B
Authority
GB
United Kingdom
Prior art keywords
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
Application number
GB8121145A
Other versions
GB2079842A (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.)
National Research Development Corp UK
National Research Development Corp of India
Original Assignee
National Research Development Corp UK
National Research Development Corp of India
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 National Research Development Corp UK, National Research Development Corp of India filed Critical National Research Development Corp UK
Priority to GB8121145A priority Critical patent/GB2079842B/en
Publication of GB2079842A publication Critical patent/GB2079842A/en
Application granted granted Critical
Publication of GB2079842B publication Critical patent/GB2079842B/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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional 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
    • 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
    • G07C2009/00769—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 wireless means
    • G07C2009/00777—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 wireless means by induction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
GB8121145A 1980-07-10 1981-07-08 Locks Expired GB2079842B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8121145A GB2079842B (en) 1980-07-10 1981-07-08 Locks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8023419 1980-07-10
GB8121145A GB2079842B (en) 1980-07-10 1981-07-08 Locks

Publications (2)

Publication Number Publication Date
GB2079842A GB2079842A (en) 1982-01-27
GB2079842B true GB2079842B (en) 1985-06-05

Family

ID=26276255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8121145A Expired GB2079842B (en) 1980-07-10 1981-07-08 Locks

Country Status (1)

Country Link
GB (1) GB2079842B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119431B (en) * 1982-04-23 1985-05-01 Reilor Ltd Control circuit for a door
DE3569771D1 (en) * 1984-02-23 1989-06-01 Identitech Corp Passive keyless entry system
DE3431984A1 (en) * 1984-08-30 1986-05-07 Roman 8000 München Koller Switch lock
DE3501482A1 (en) * 1985-01-18 1986-07-24 Egon 5352 Zülpich Gelhard DEVICE FOR CONTACTLESS COUPLING OF THE CONTROL AND POWER CURRENTS BETWEEN THE ELECTRONICS ON THE LOCKING CYLINDER AND THE ELECTRONICS IN THE KEY WITH AN ELECTRONIC / MECHANICAL LOCKING DEVICE
GB2177152B (en) * 1985-07-04 1988-11-16 Kokusan Kinzoku Kogyo Co Limit Radio wave signal controlled lock arrangement
GB8601585D0 (en) * 1986-01-23 1986-02-26 Bloch M Key operated switch
GB8701221D0 (en) * 1987-01-21 1987-02-25 Harley C J Card operated lock
WO1990015910A1 (en) * 1989-06-21 1990-12-27 Ian Robert Symons Electronic lock
JP2549774B2 (en) * 1991-05-22 1996-10-30 株式会社テック Electromagnetic key switch
ES2302626B1 (en) * 2006-10-06 2009-06-04 Lineas Y Cables, S.A. ELECTRICAL POWER TRANSMISSION SYSTEM WITHOUT DRIVERS.

Also Published As

Publication number Publication date
GB2079842A (en) 1982-01-27

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee