CA863500A - Security devices - Google Patents

Security devices

Info

Publication number
CA863500A
CA863500A CA863500A CA863500DA CA863500A CA 863500 A CA863500 A CA 863500A CA 863500 A CA863500 A CA 863500A CA 863500D A CA863500D A CA 863500DA CA 863500 A CA863500 A CA 863500A
Authority
CA
Canada
Prior art keywords
security devices
security
devices
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
CA863500A
Inventor
Saul Benno
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.)
PEAK ELECTRONICS Ltd
Original Assignee
PEAK ELECTRONICS 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 PEAK ELECTRONICS Ltd filed Critical PEAK ELECTRONICS Ltd
Application granted granted Critical
Publication of CA863500A publication Critical patent/CA863500A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/215—Individual registration on entry or exit involving the use of a pass the system having a variable access-code, e.g. varied as a function of time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CA863500A 1966-06-23 1966-06-23 Security devices Expired CA863500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA963721 1966-06-23

Publications (1)

Publication Number Publication Date
CA863500A true CA863500A (en) 1971-02-09

Family

ID=4142572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA863500A Expired CA863500A (en) 1966-06-23 1966-06-23 Security devices

Country Status (1)

Country Link
CA (1) CA863500A (en)

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