JPS57500037A - - Google Patents

Info

Publication number
JPS57500037A
JPS57500037A JP56500906A JP50090681A JPS57500037A JP S57500037 A JPS57500037 A JP S57500037A JP 56500906 A JP56500906 A JP 56500906A JP 50090681 A JP50090681 A JP 50090681A JP S57500037 A JPS57500037 A JP S57500037A
Authority
JP
Japan
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.)
Pending
Application number
JP56500906A
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 filed Critical
Publication of JPS57500037A publication Critical patent/JPS57500037A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices
JP56500906A 1980-02-04 1981-01-22 Pending JPS57500037A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/118,003 US4306289A (en) 1980-02-04 1980-02-04 Digital computer having code conversion apparatus for an encrypted program

Publications (1)

Publication Number Publication Date
JPS57500037A true JPS57500037A (ja) 1982-01-07

Family

ID=22375982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56500906A Pending JPS57500037A (ja) 1980-02-04 1981-01-22

Country Status (6)

Country Link
US (1) US4306289A (ja)
EP (1) EP0044866A4 (ja)
JP (1) JPS57500037A (ja)
CA (1) CA1154876A (ja)
GB (1) GB2070301B (ja)
WO (1) WO1981002351A1 (ja)

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WO2012087954A2 (en) 2010-12-20 2012-06-28 The Nielsen Company (Us), Llc Methods and apparatus to determine media impressions using distributed demographic information
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US10068246B2 (en) 2013-07-12 2018-09-04 The Nielsen Company (Us), Llc Methods and apparatus to collect distributed user information for media impressions
US9332035B2 (en) 2013-10-10 2016-05-03 The Nielsen Company (Us), Llc Methods and apparatus to measure exposure to streaming media
US10956947B2 (en) 2013-12-23 2021-03-23 The Nielsen Company (Us), Llc Methods and apparatus to measure media using media object characteristics
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Also Published As

Publication number Publication date
CA1154876A (en) 1983-10-04
GB2070301A (en) 1981-09-03
US4306289A (en) 1981-12-15
GB2070301B (en) 1984-07-11
WO1981002351A1 (en) 1981-08-20
EP0044866A1 (en) 1982-02-03
EP0044866A4 (en) 1982-11-25

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