CA1003105A - Security access medium - Google Patents

Security access medium

Info

Publication number
CA1003105A
CA1003105A CA152,907A CA152907A CA1003105A CA 1003105 A CA1003105 A CA 1003105A CA 152907 A CA152907 A CA 152907A CA 1003105 A CA1003105 A CA 1003105A
Authority
CA
Canada
Prior art keywords
security access
access medium
medium
security
access
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
CA152,907A
Other versions
CA152907S (en
Inventor
Robert Black
Christopher Rainey
David Provan
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.)
Unisys Corp
Original Assignee
Burroughs Corp
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
Priority claimed from GB4761671A external-priority patent/GB1392038A/en
Application filed by Burroughs Corp filed Critical Burroughs Corp
Priority claimed from GB4761672A external-priority patent/GB1412769A/en
Priority to CA261,847A priority Critical patent/CA1017859A/en
Application granted granted Critical
Publication of CA1003105A publication Critical patent/CA1003105A/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
    • G07C11/00—Arrangements, systems or apparatus for checking, e.g. the occurrence of a condition, not provided for elsewhere

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CA152,907A 1971-10-13 1972-09-29 Security access medium Expired CA1003105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA261,847A CA1017859A (en) 1971-10-13 1976-09-23 Security access medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4761671A GB1392038A (en) 1971-10-13 1971-10-13 Record media
GB4761672A GB1412769A (en) 1971-10-22 1972-10-16 Metal-plated images

Publications (1)

Publication Number Publication Date
CA1003105A true CA1003105A (en) 1977-01-04

Family

ID=26266094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA152,907A Expired CA1003105A (en) 1971-10-13 1972-09-29 Security access medium

Country Status (2)

Country Link
CA (1) CA1003105A (en)
SE (1) SE398678B (en)

Also Published As

Publication number Publication date
SE398678B (en) 1978-01-09

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