16 July 1998
Source: http://patents.uspto.gov/access/search-bool.html (search term "encryption")


Results of Search in ALL db for:
encryption
: 933 patents.
Hits 101 through 200 out of 933

Apr. 8, 1997 to Feb. 3, 1998 (latest first)

  Pat. No. Title
101. 5,715,164 System and method for communications with postage meters Feb. 3, 1998 
102. 5,712,915 Encrypted digital circuit multiplication system
103. 5,712,912 Method and apparatus for securely handling a personal identification number or cryptographic key using biometric techniques
104. 5,712,905 Sequential digital profile for processing analog signals
105. 5,708,712 Vehicle security device with electronic use authorization coding
106. 5,708,711 Method for selecting a preferred time interval in which to update a communication unit parameter
107. 5,708,710 Method and apparatus for authentication in a communication system
108. 5,706,348 Use of marker packets for synchronization of encryption/decryption keys in a data communication network
109. 5,703,952 Method and apparatus for generating a cipher stream
110. 5,703,950 Method and apparatus for controlling country specific frequency allocation
111. 5,703,949 Method for establishing secure communications among processing devices
112. 5,703,948 Protected communication method and system
113. 5,699,429 Packet TV program component detector
114. 5,699,428 System for automatic decryption of file data on a per-use basis and automatic re-encryption within context of multi-threaded operating system under which applications run in real-time
115. 5,697,055 Method and apparatus for handoff between different cellular communications systems
116. 5,696,828 Random number generating system and process based on chaos
117. 5,696,826 Method and apparatus for encrypting and decrypting information using a digital chaos signal
118. 5,696,825 Personal access management system
119. 5,696,823 High-bandwidth encryption system with low-bandwidth cryptographic modules
120. 5,694,473 Decryption of retransmitted data in an encrypted communication system
121. 5,694,472 Personal access management system
122. 5,694,216 Scanning heterodyne acousto-optical interferometers
123. 5,692,049 Personal access management system
124. 5,692,047 System and method for executing verifiable programs with facility for using non-verifiable programs from trusted sources
125. 5,689,565 Cryptography system and method for providing cryptographic services for a computer application
126. 5,689,564 Personal access management system
127. 5,689,563 Method and apparatus for efficient real-time authentication and encryption in a communication system
128. 5,689,560 Method and apparatus for enabling trial period use of software products: method and apparatus for allowing a try-and-buy user interaction
129. 5,687,237 encryption key management system for an integrated circuit
130. RE35,651 Secure hierarchial video delivery system and method
131. 5,682,428 Personal access management system
132. 5,680,395 Method and apparatus for time division duplex pilot signal generation
133. 5,678,043 Data compression and encryption system and method representing records as differences between sorted domain ordinals that represent field values
134. 5,677,989 Speaker verification system and process
135. 5,677,956 Method and apparatus for data encryption/decryption using cellular automata transform
136. 5,675,653 Method and apparatus for digital encryption
137. 5,675,652 Computer readable device implementing a software-efficient pseudorandom function encryption
138. 5,675,647 Cable TV system using passwords
139. 5,674,758 Silicon on insulator achieved using electrochemical etching
140. 5,673,322 System and method for providing protocol translation and filtering to access the world wide web from wireless or low-bandwidth networks
141. 5,673,320 Method and apparatus for image-based validations of printed documents
142. 5,673,319 Block cipher mode of operation for secure, length-preserving encryption
143. 5,673,316 Creation and distribution of cryptographic envelope
144. 5,671,285 Secure communication system
145. 5,671,279 Electronic commerce using a secure courier system
146. 5,668,881 encryption of data in different formats
147. 5,668,880 Inter-vehicle personal data communications device
148. 5,668,877 Method and apparatus for stepping pair keys in a key-management scheme
149. 5,668,874 Identification card verification system and method
150. 5,666,421 Mail processing system including data center verification for mailpieces
151. 5,666,420 Simultaneous electronic transactions
152. 5,666,419 encryption device and communication apparatus using same
153. 5,666,417 Fluorescence authentication reader with coaxial optics
154. 5,666,416 Certificate revocation system
155. 5,666,414 Guaranteed partial key-escrow
156. 5,664,017 Internationally regulated system for one to one cryptographic communications with national sovereignty without key escrow
157. 5,661,807 Authentication system using one-time passwords
158. 5,661,804 Trainable transceiver capable of learning variable codes
159. 5,659,618 Multi-size cryptographic key system
160. 5,659,617 Method for providing location certificates
161. 5,659,614 Method and system for creating and storing a backup copy of file data stored on a computer
162. 5,652,868 Data processor having BIOS decryption of emulated media images
163. 5,652,796 Data encryption control system
164. 5,651,064 System for preventing piracy of recorded media
165. 5,649,099 Method for delegating access rights through executable access control program without delegating access rights not in a specification to any intermediary nor comprising server security
166. 5,649,014 Pseudorandom composition-based cryptographic authentication process
167. 5,647,001 Nonlinear dynamic substitution devices and methods for block substitutions employing coset decompositions and direct geometric generation
168. 5,647,000 Failsafe key escrow system
169. 5,646,993 Information reproducing method and apparatus having protect function and recording medium used in apparatus
170. 5,644,710 Personal access management system
171. 5,642,421 encryption of low data content ATM cells
172. 5,642,379 Technique for modulating orthogonal signals with one or more analog or digital signals
173. 5,640,456 Computer network encryption/decryption device
174. 5,640,454 System and method for access field verification
175. 5,638,512 Ring network security system with encoding of data entering a subnetwork and decoding of data leaving the subnet work
176. 5,638,445 Blind encryption
177. 5,638,443 System for controlling the distribution and use of composite digital works
178. 5,638,442 Method for remotely inspecting a postage meter
179. 5,636,280 Dual key reflexive encryption security system
180. 5,636,276 Device for the distribution of music information in digital form
181. 5,635,012 System for producing a personal ID card
182. 5,634,012 System for controlling the distribution and use of digital works having a fee reporting mechanism
183. 5,633,934 Local area nework encryption decryption system
184. 5,633,930 Common cryptographic key verification in a transaction network
185. 5,633,929 Cryptographic key escrow system having reduced vulnerability to harvesting attacks
186. 5,633,928 Key escrow method with warrant bounds
187. 5,631,962 Circuit and method of encrypting key validation
188. 5,631,961 Device for and method of cryptography that allows third party access
189. 5,631,960 Autotest of encryption algorithms in embedded secure encryption devices
190. 5,629,982 Simultaneous electronic transactions with visible trusted parties
191. 5,629,980 System for controlling the distribution and use of digital works
192. 5,627,894 Random number generator
193. 5,627,893 Cryptographic method
194. 5,627,831 Personal communication network hand over
195. 5,625,690 Software pay per use system
196. 5,623,637 Encrypted data storage card including smartcard integrated circuit for storing an access password and encryption keys
197. 5,623,549 Cipher mechanisms with fencing and balanced block mixing
198. 5,623,548 Transformation pattern generating device and encryption function device
199. 5,623,546 encryption method and system for portable data
200. 5,619,575 Pseudorandom composition-based cryptographic authentication process Apr. 8, 1997