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Makoto Saito: Method and device for protecting digital data by double re-encryption. Berkeley Law & Technology Group, August 15, 2006: US07093295 (144 worldwide citation)

A method and an apparatus ensuring protection of digital data are provided. In addition to re-encrypting the data using an unchangeable key, the data is double re-encrypted using a changeable key. The changeable key is used first and the unchangeable key is then used, or in another case, the unchang ...


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Alexander Neil Birkett, James Stuart Wight: Up/down conversion circuitry for radio transceiver. Berkeley Law & Technology Group, March 20, 2007: US07194044 (60 worldwide citation)

A multi-channel RF receiver uses an image rejection mixer (e.g. double quadrature mixer) in the IF down conversion stage for image side band rejection (whereby use of an IF narrow band filter for image rejection may be omitted if desired) and comprises a simplified frequency synthesizer which genera ...


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Robert D Glaser, Mark O Brien, Thomas B Boutell, Randy Glen Goldberg: Audio-on-demand communication system. Berkeley Law & Technology Group, March 25, 2008: US07349976 (56 worldwide citation)

An audio-on-demand communication system provides real-time playback of audio data transferred via telephone lines or other communication links. One or more audio servers include memory banks which store compressed audio data. At the request of a user at a subscriber PC, an audio server transmits the ...


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Alexander Neil Birkett, James Stuart Wight: Up / down conversion circuitry for radio transceiver. Berkeley Law & Technology Group, May 1, 2007: US07212581 (55 worldwide citation)

A multi-channel RF receiver uses an image rejection mixer (e.g. double quadrature mixer) in the IF down conversion stage for image side band rejection (whereby use of an IF narrow band filter for image rejection may be omitted if desired) and comprises a simplified frequency synthesizer which genera ...


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Mark Andrews: Method and/or system for performing tree matching. Skyler Technology, Berkeley Law & Technology Group, November 17, 2009: US07620632 (44 worldwide citation)

Embodiments of methods, apparatuses, devices and/or systems for performing tree matching are disclosed.


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I Claude Denton, Richard B Keller: Method and apparatus for programmable generation of traffic streams. Berkeley Law & Technology Group, February 27, 2007: US07184408 (44 worldwide citation)

Methods and apparatus provide single or multi-port, flexible, cost-effective, built-in self-test capabilities for network communications equipment, such as for example switches, and programmably generate, and subsequently analyze, one or more sequences of test packets, wherein the test packets simul ...


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Christopher Brunner: Method and system for adaptive modification of cell boundary. Berkeley Law & Technology Group, January 9, 2007: US07162203 (40 worldwide citation)

A method and system for reducing interference in a cellular radio communications network. At least one parameter affecting user terminals within a cell is adjusted such that the cell boundary is modified, such that interference in the network is reduced. In alternative embodiments the at least one p ...


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Jack J LeTourneau: Method and/or system for transforming between trees and strings. Skyler Technology, Berkeley Law & Technology Group, March 16, 2010: US07681177 (32 worldwide citation)

Embodiments of articles, apparatuses, devices and/or systems for manipulating hierarchical sets of data are disclosed. In particular embodiments, one or more trees may be transformed to one or more corresponding symbols strings according to an association of trees and symbols strings. In one particu ...



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