1
Steven T Ansell, Andrew R Cherenson: Territorial determination of remote computer location in a wide area network for conditional delivery of digitized products. Liquid Audio, James D Ivey Esq, November 21, 2000: US06151631 (188 worldwide citation)

Digital products are delivered to a client computer through a wide area network such as the Internet only upon determination that the client computer is located in a geopolitical territory, such as a country or state, for which delivery of the digital product is authorized. A server computer estimat ...


2
Earl Levine: Efficient watermark method and apparatus for digital signals. Liquid Audio, James D Ivey Esq, April 17, 2001: US06219634 (70 worldwide citation)

Watermark data is encoded in a digitized signal by forming a noise threshold spectrum which represents a maximum amount of imperceptible noise, spread-spectrum chipping the noise threshold spectrum with a relatively endless stream of pseudo-random bits to form a basis signal, dividing the basis sign ...


3
Sami Shaio, Arthur Van Hoff: Maintaining packet security in a computer network. Sun Microsystems, Kang S Lim Esq, James D Ivey Esq, May 27, 2003: US06571338 (50 worldwide citation)

The present invention provides a method and apparatus for determining the trust worthiness of executable packets, e.g., internet applets, being transmitted within a computer network. The computer network includes both secured computers and unsecured computers, which are associated with secured nodes ...


4
Angela Jane Benitz, Seiken Nakama: Simulated play of interactive multimedia applications for error detection. Scientific Learning, James D Ivey Esq, May 23, 2000: US06067638 (45 worldwide citation)

An interactive multimedia application executes in a debug mode in which previously recorded user events are retrieved from memory and emulated in sequence. Each user event is represented by a record which specifies a particular classification of user event. Accordingly, a user event satisfying the p ...


5
Stephen A Hurst, Dah Ming Chiu, Stephen R Hanna, Radia J Pearlman: Determination of distance between nodes in a computer network. Sun Microsystems, James D Ivey Esq, February 20, 2001: US06192404 (34 worldwide citation)

A base node of a computer network sends concurrent TTL query messages using multicast to other receiving nodes of the computer network. Each of the TTL query messages has a different time-to-live (TTL) parameter value and records the TTL parameter of the TTL query message into a message body. The re ...