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Implementing a shared higher level of privilege on personal computers for copy protection of software 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/00
출원번호 US-0930219 (1986-11-12)
발명자 / 주소
  • Chandra Akhileshwari N. (Mahopac NY) Comerford Liam D. (Carmel NY) White Steve R. (New York NY)
출원인 / 주소
  • International Business Machines Corporation (Armonk NY 02)
인용정보 피인용 횟수 : 103  인용 특허 : 6

초록 ▼

Method and apparatus which restricts software, distributed on magnetic media, to use on a single computing machine. The original medium is functionally uncopyable, until it is modified by the execution of a program stored in a tamper proof co-processor which forms a part of the computing machine. Th

대표청구항 ▼

A software copy-protection apparatus, which is operable with a host computer system, comprising: a magnetic medium having tracks formed thereon which are divided into sectors, with each sector being comprised of a plurality of bit storage location, with indicia being formed in at least a portion of

이 특허에 인용된 특허 (6)

  1. Westheimer Thomas O. (2 Highland Dr. Peterborough NH 03458) Hipson Peter D. (4 S. Shore Dr. Jaffrey NH 03452), Computer software protection system.
    상세보기
  2. Arnold, Mark G.; Winkel, Mark D., Computer systems to inhibit unauthorized copying, unauthorized usage, and automated cracking of protected software.
    상세보기
  3. Best Robert M. (16016 9th Ave. NE. Seattle WA 98155), Crypto microprocessor that executes enciphered programs.
    상세보기
  4. Comerford Liam D. (Carmel NY) White Steve R. (Mt. Kisco NY), Hardware key-on-disk system for copy-protecting magnetic storage media.
    상세보기
  5. Thomas William J. (6146 Winterbrook Dr. San Jose CA 95129), Method and apparatus for controlling usage of a programmable computing machine.
    상세보기
  6. Best Robert M. (16016 9th Ave. NE. Seattle WA 98155), Microprocessor for executing enciphered programs.
    상세보기

이 특허를 인용한 특허 (103)

  1. Beetcher Robert Carl ; Corrigan Michael Joseph ; Reardon ; Jr. Francis Joseph ; Moran James William, Apparatus and method for controlling access to software.
    상세보기
  2. Narasimhalu Arcot Desai,SGX ; Deng Huijie,SGX ; Wang Weiguo,SGX, Computationally efficient method for trusted and dynamic digital objects dissemination.
    상세보기
  3. Saitoh, Masayuki, Data processing system and method with copy protection.
    상세보기
  4. Klein, Dean A, Data security for digital data storage.
    상세보기
  5. Klein, Dean A., Data security for digital data storage.
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  6. Klein, Dean A., Data security for digital data storage.
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  7. Klein, Dean A., Data security for digital data storage.
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  8. Klein, Dean A., Data security for digital data storage.
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  9. Klein,Dean A., Data security for digital data storage.
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  10. Klein,Dean A., Data security for digital data storage.
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  11. Rollins, Doug L., Data security for digital data storage.
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  12. Rollins, Doug L., Data security for digital data storage.
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  13. Rollins, Doug L., Data security for digital data storage.
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  14. Rollins, Doug L., Data security for digital data storage.
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  15. Rollins, Doug L., Data security for digital data storage.
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  19. Johnson Harold Joseph,CAX ; Gu Yuan Xiang,CAX ; Chan Becky Laiping,CAX ; Chow Stanley Taihai,CAX, Encoding technique for software and hardware.
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