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Browse by Category: Main > Information Technology
Class Information
Number: 711/164
Name: Electrical computers and digital processing systems: memory > Storage accessing and control > Control technique > Access limiting > With password or key
Description: Subject matter wherein authorization code information


Patents under this class:
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Patent Number Title Of Patent Date Issued
6738913 Storage device and access control method May. 18, 2004
6738879 Advanced technology attachment compatible disc drive write protection scheme May. 18, 2004
6738878 Verifying the integrity of a media key block by storing validation data in the cutting area of media May. 18, 2004
6738877 Access control method, storage apparatus and storage medium May. 18, 2004
6738876 Apparatus and method for preserving a region code for an optical disk drive May. 18, 2004
6735665 Data processing device for specifying data storage information on a portable recording medium May. 11, 2004
6732246 Memory apparatus and memory access restricting method May. 4, 2004
6725293 Storage subsystem and storage controller Apr. 20, 2004
6715049 Microcomputer and information processing system Mar. 30, 2004
6715050 Storage access keys Mar. 30, 2004
6711690 Secure write blocking circuit and method for preventing unauthorized write access to nonvolatile memory Mar. 23, 2004
6694414 Magnetic disc device having copy protect function Feb. 17, 2004
6691226 Computer system with disk drive having private key validation means for enabling features Feb. 10, 2004
6684310 Access control method and storage device using same Jan. 27, 2004
6681304 Method and device for providing hidden storage in non-volatile memory Jan. 20, 2004
6658543 System and method to protect vital memory space from non-malicious writes in a multi domain system Dec. 2, 2003
6651171 Secure execution of program code Nov. 18, 2003
6643751 System and method for limited access to system memory Nov. 4, 2003
6631453 Secure data storage device Oct. 7, 2003
6629197 Method and system for storing digital audio data and emulating multiple CD-changer units Sep. 30, 2003
6618796 Data storage device and control method therefor Sep. 9, 2003
6615329 Memory access control system, apparatus, and method Sep. 2, 2003
6609180 Fiber channel connection storage controller Aug. 19, 2003
6606695 Method and apparatus for controlling access to storage device Aug. 12, 2003
6604153 Access protection from unauthorized use of memory medium with storage of identifier unique to memory medium in data storage device Aug. 5, 2003
6601152 Storage apparatus, an access control apparatus for a recording medium and an access control method for a recording medium Jul. 29, 2003
6535964 Fiber channel connection storage controller Mar. 18, 2003
6526490 Data processing systems with process monitor Feb. 25, 2003
6526489 Data storage apparatus with improved security process and partition allocation funds Feb. 25, 2003
6526491 Memory protection system and method for computer architecture for broadband networks Feb. 25, 2003
6510502 Information processing device and method for reading information recorded on an information recording medium Jan. 21, 2003
6510501 Non-volatile memory read/write security protection feature selection through non-volatile memory bits Jan. 21, 2003
6507896 Protocol for use in accessing a storage region across a network Jan. 14, 2003
6505280 Memory writing device for an electronic device Jan. 7, 2003
6499092 Method and apparatus for performing access censorship in a data processing system Dec. 24, 2002
6490667 Portable electronic medium Dec. 3, 2002
6487646 Apparatus and method capable of restricting access to a data storage device Nov. 26, 2002
6484245 Apparatus for and method of accessing a storage region across a network Nov. 19, 2002
6480097 Security control for personal computer Nov. 12, 2002
6477653 Information storage system Nov. 5, 2002
6473844 System and method to protect vital memory space from non-malicious writes in a multi domain system Oct. 29, 2002
6460121 Method for providing an atomic memory read using a compare-exchange instruction primitive Oct. 1, 2002
6453369 Access protection from unauthorized use of memory medium using identifier unique to data storage device Sep. 17, 2002
6449652 Method and apparatus for providing secure access to a computer system resource Sep. 10, 2002
6438666 Method and apparatus for controlling access to confidential data by analyzing property inherent in data Aug. 20, 2002
6430645 Fibre channel and SCSI address mapping for multiple initiator support Aug. 6, 2002
6430360 Method and apparatus for blocking reproduction of video title in optical disk player Aug. 6, 2002
6421768 Method and system for authentication and single sign on using cryptographically assured cookies in a distributed computer environment Jul. 16, 2002
6415371 Storage system, storage device, storage medium controller, access device, method for protecting data, storage medium and computer data signal Jul. 2, 2002
6393539 System and method for reliably assigning and protecting data in a centralizes storage system May. 21, 2002

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