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| Number | Title | Issue Date |
| 6418216 | Caller-controller barge-in telephone service A caller-controlled barge-in telephone service, managed by telephone systems, intercepts telephone calls directed to instantly busy telephone lines predesignated as objects of this service, and: 1) verifies that the called line is a respectively predesign... | 07/09/2002 |
| 6381320 | Access to extended telephone services via the internet The present invention affords a predefined class of authorized users of the PSTN (public switched telephone network) access to extended telephone services through public communication networks external to the PSTN, the latter networks including the web an... | 04/30/2002 |
| 6356664 | Selective reduction of video data using variable sampling rates based on importance within the image In a reduction process, data in portion buffers are selectively sampled at different sampling rates proportional to their assigned weights. For instance, portions assigned highest weights could be sampled at a reference rate corresponding to the repetitio... | 03/12/2002 |
| 6345038 | Improving access to congested networks For a station in a data communication network having a predefined limit of congestion for handling data immediately undergoing transmission through the station, a system for improving service given to network users requesting new access services to suppor... | 02/05/2002 |
| 6343119 | Access to extended telephone services via the internet The present invention affords a predefined class of authorized users of the PSTN (public switched telephone network) access to extended telephone services through public communication networks external to the PSTN, the latter networks including the web an... | 01/29/2002 |
| 6163683 | Broadcast data radio system and receiver apparatus therefor A presently disclosed radio broadcasting system for a virtual radio program broadcasting station uses a divided regional approach to broadcast digital and analog signals over a large geographic region divided into multiple overlapping but separate areas c... | 12/19/2000 |
| 6091709 | Quality of service management for packet switched networks A packet router for a data packet transmission network, wherein routers offer priority services of the type required for isochronous handling of data representing real-time voice, includes a Quality of Service (QoS) management system for ensuring that gua... | 07/18/2000 |
| 6078807 | Telephony fraud detection using voice recognition techniques A system/method is disclosed for screening telephone system callers, using speaker-dependent text-independent voice recognition, to either prevent excessive fraudulent use of certain telephone system lines (or radio channels) or to selectively restrict cl... | 06/20/2000 |
| 6058169 | Selective fax routing through the internet A newly defined facsimile (fax) handling service, to be performed by carriers in the public switched telephone network (PSTN) on calls originating from standard analog fax sending equipment, includes: a) intercepting and recording direct dialed digits, re... | 05/02/2000 |
