U.S. patents available from 1976 to present.
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Computer security system having remote location recognition and remote location lock-out

Patent 4962449 Issued on October 9, 1990. Estimated Expiration Date: Icon_subject April 11, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Computer terminal security system
Patent #: 4430728
Issued on: 02/07/1984
Inventor: Beitel ,   et al.

Security arrangement for and method of rendering microprocessor-controlled electronic equipment inoperative after occurrence of disabling event
Patent #: 4494114
Issued on: 01/15/1985
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Issued on: 06/25/1985
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User authorization verification apparatus for computer systems including a central device and a plurality of pocket sized remote units
Patent #: 4601011
Issued on: 07/15/1986
Inventor: Grynberg

Method and apparatus for retrieving remotely located information
Patent #: 4649533
Issued on: 03/10/1987
Inventor: Chorley ,   et al.

Method and system for providing system security in a remote terminal environment
Patent #: 4652698
Issued on: 03/24/1987
Inventor: Hale ,   et al.

Electronic linkage interface control security system and method
Patent #: 4672533
Issued on: 06/09/1987
Inventor: Noble ,   et al.

Computer communications security control system
Patent #: 4694492
Issued on: 09/15/1987
Inventor: Wirstrom ,   et al.

Method for entrapping unauthorized computer access
Patent #: 4719566
Issued on: 01/12/1988
Inventor: Kelley

Method for multiple programs management within a network having a server computer and a plurality of remote computers
Patent #: 4780821
Issued on: 10/25/1988
Inventor: Crossley

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Inventor

Application

No. 180089 filed on 04/11/1988

US Classes:

235/382, Permitting access340/5.74, Access to electrical information379/93.02, Access restricting713/162Having particular address related cryptography

Examiners

Primary: Lee, Thomas C.

Attorney, Agent or Firm

International Classes

G06F 015/00
G06F 012/14

Abstract

An apparatus is provided that enables a computer system access procedure to be secure from hackers and other potential unauthorized computer system users. The invention's features include a switchboard, a centralized security interface, which interacts with a location recognition device at each remote location. Security is provided by secure and easily changeable location recognition device initialization, the transmission of a unique location security code from each location recognition device to the switchboard, and location recognition device immobility through the use of volatile memory. Unauthorized computer system access is prevented by a switchboard access protocol that uses a relationship between location security codes and personal identification codes to limit specific computer system users to specific remote locations and to lock-out, from computer system access, any remote location or analog thereof that the switchboard determines is being used by a hacker or other unauthorized user.

Other References

  • Brachtl et al., "Global Key Protection", IBM TDB, vol. 27, No. 9, Feb. 1985, pp. 5382-5383
  • Gillard and Smith, "Computer Crime: A Growing Treat," BYTE, Oct. 1983, pp. 398-42
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