CA981355A - Locking system - Google Patents

Locking system

Info

Publication number
CA981355A
CA981355A CA154,161A CA154161A CA981355A CA 981355 A CA981355 A CA 981355A CA 154161 A CA154161 A CA 154161A CA 981355 A CA981355 A CA 981355A
Authority
CA
Canada
Prior art keywords
locking system
locking
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
CA154,161A
Other versions
CA154161S (en
Inventor
Walter W.H. Clarke
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.)
CLARKE INSTRUMENTS Ltd
Original Assignee
CLARKE INSTRUMENTS Ltd
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 CLARKE INSTRUMENTS Ltd filed Critical CLARKE INSTRUMENTS Ltd
Application granted granted Critical
Publication of CA981355A publication Critical patent/CA981355A/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
CA154,161A 1971-10-14 1972-10-13 Locking system Expired CA981355A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4786871 1971-10-14
GB131172A GB1402708A (en) 1971-10-14 1972-01-11 Locking system

Publications (1)

Publication Number Publication Date
CA981355A true CA981355A (en) 1976-01-06

Family

ID=26236638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,161A Expired CA981355A (en) 1971-10-14 1972-10-13 Locking system

Country Status (6)

Country Link
JP (1) JPS4846500A (en)
AU (1) AU469240B2 (en)
CA (1) CA981355A (en)
DE (1) DE2250368A1 (en)
GB (1) GB1402708A (en)
IT (1) IT972192B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979647A (en) * 1975-06-11 1976-09-07 The Eastern Company Inductively coupled lock
DE2604188C2 (en) * 1976-02-04 1982-11-25 Neiman S.A., Courbevoie Circuit arrangement for actuating locking devices
DE2824421C2 (en) * 1978-06-03 1985-10-10 Robert Bosch Gmbh, 7000 Stuttgart Switching arrangement for operating locking devices and similar safety devices, in particular as theft protection on a motor vehicle
EP0034230A1 (en) * 1980-02-19 1981-08-26 Jerome Hal Lemelson Switch and lock activating system and method
JPS63501452A (en) * 1985-11-21 1988-06-02 オ−ストラレイジャン・エレクトロニク・セントリ−・プロプライエタリ−・リミテッド an electronic door lock
GB2194580B (en) * 1986-04-10 1990-08-01 Kokusan Kinzoku Kogyo Kk Vehicle lock system
FR2630563B1 (en) * 1988-04-25 1990-08-10 Warfman Daniel SAFETY BOX, ESPECIALLY FOR MANAGING ACCESS MEANS FOR CONTROLLED USE
GB2290435B (en) * 1994-05-18 1998-09-09 Applequay Ltd Signal transmission system

Also Published As

Publication number Publication date
AU469240B2 (en) 1976-02-05
IT972192B (en) 1974-05-20
DE2250368A1 (en) 1973-04-19
GB1402708A (en) 1975-08-13
AU4764072A (en) 1974-04-26
JPS4846500A (en) 1973-07-03

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