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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 6370647 |
Information storage system |
Apr. 9, 2002 |
| 6370629 |
Controlling access to stored information based on geographical location and date and time |
Apr. 9, 2002 |
| 6363463 |
Method and apparatus for protecting flash memory |
Mar. 26, 2002 |
| 6339816 |
Method for improving controllability in data processing system with address translation |
Jan. 15, 2002 |
| 6330624 |
Access limiting to only a planar by storing a device public key only within the planar and a planar public key only within the device |
Dec. 11, 2001 |
| 6330648 |
Computer memory with anti-virus and anti-overwrite protection apparatus |
Dec. 11, 2001 |
| 6324537 |
Device, system and method for data access control |
Nov. 27, 2001 |
| 6311255 |
System and method for selectively restricting access to memory for bus attached unit IDs |
Oct. 30, 2001 |
| 6301676 |
Robust and recoverable interprocess locks |
Oct. 9, 2001 |
| 6298421 |
Data storage device |
Oct. 2, 2001 |
| 6295590 |
Semiconductor memory apparatus having a protecting circuit |
Sep. 25, 2001 |
| 6286087 |
Method, apparatus, medium for storing and controlling accessibility to a removable medium |
Sep. 4, 2001 |
| 6286086 |
Data protection method for a semiconductor memory and corresponding protected memory device |
Sep. 4, 2001 |
| 6282612 |
Removable memory device for portable terminal device |
Aug. 28, 2001 |
| 6260111 |
System and method for network power management incorporating user identity and preferences via a power managed smart card |
Jul. 10, 2001 |
| 6256715 |
System and method of performing gateway access |
Jul. 3, 2001 |
| 6253273 |
Lock mechanism |
Jun. 26, 2001 |
| 6243796 |
Recording medium and recording or reproduction apparatus that provides protection from unauthorized use of the medium |
Jun. 5, 2001 |
| 6243755 |
Information processing system using information caching based on user activity |
Jun. 5, 2001 |
| 6240493 |
Method and apparatus for performing access censorship in a data processing system |
May. 29, 2001 |
| 6230244 |
Memory device with read access controlled by code |
May. 8, 2001 |
| 6226710 |
Content addressable memory (CAM) engine |
May. 1, 2001 |
| 6223263 |
Method and apparatus for locking and unlocking a memory region |
Apr. 24, 2001 |
| 6219771 |
Data storage apparatus with improved security process and partition allocation functions |
Apr. 17, 2001 |
| 6212635 |
Network security system allowing access and modification to a security subsystem after initial installation when a master token is in place |
Apr. 3, 2001 |
| 6212610 |
Memory protection mechanism for a distributed shared memory multiprocessor with integrated message passing support |
Apr. 3, 2001 |
| 6182174 |
Memory card interface method using multiplexed storage protect key to indicate command acceptance |
Jan. 30, 2001 |
| 6167519 |
Secret information protection system |
Dec. 26, 2000 |
| 6161149 |
Centrifugal communication and collaboration method |
Dec. 12, 2000 |
| 6151657 |
Processor with embedded in-circuit programming structures |
Nov. 21, 2000 |
| 6145053 |
Data security method using head disk stiction |
Nov. 7, 2000 |
| 6101586 |
Memory access control circuit |
Aug. 8, 2000 |
| 6079019 |
IC memory card |
Jun. 20, 2000 |
| 6069562 |
Security equipment for audio apparatus |
May. 30, 2000 |
| 6044470 |
IC card portable terminal apparatus |
Mar. 28, 2000 |
| 6035381 |
Memory device including main memory storage and distinct key storage accessed using only a row address |
Mar. 7, 2000 |
| 6035382 |
Circuit for receiving a command word for accessing a secure subkey |
Mar. 7, 2000 |
| 6035372 |
Dynamic RAM in a microprocessor system |
Mar. 7, 2000 |
| 6026293 |
System for preventing electronic memory tampering |
Feb. 15, 2000 |
| 6012145 |
Security system for hard disk drive |
Jan. 4, 2000 |
| 5987438 |
Electronic wallet system |
Nov. 16, 1999 |
| 5983349 |
Changer apparatus, method for locking security protection thereof, method for unlocking executing commands thereon, and computer for sending commands thereto |
Nov. 9, 1999 |
| 5974513 |
IC memory card having read/write inhibit capabilities |
Oct. 26, 1999 |
| 5963142 |
Security control for personal computer |
Oct. 5, 1999 |
| 5956194 |
Data storage apparatus |
Sep. 21, 1999 |
| 5951672 |
Synchronization method for work distribution in a multiprocessor system |
Sep. 14, 1999 |
| 5940826 |
Dual XPCS for disaster recovery in multi-host computer complexes |
Aug. 17, 1999 |
| 5933854 |
Data security system for transmitting and receiving data between a memory card and a computer using a public key cryptosystem |
Aug. 3, 1999 |
| 5933826 |
Method and apparatus for securing and storing executable content |
Aug. 3, 1999 |
| 5933595 |
Computer apparatus having electrically rewritable nonvolatile memory, and nonvolatile semiconductor memory |
Aug. 3, 1999 |
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