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| Number | Title | Issue Date |
| 6604432 | Soil compaction measurement The in-situ measurement of the shear modulus of a surface layer of soil (12) is performed by apparatus in which a contact foot (11) with a preselected downward bias force engages a defined area of a region of soil. A drive transducer (13) shakes the conta... | 08/12/2003 |
| 6594468 | Self-organizing mobile wireless station network In the communications network disclosed herein, each of a plurality of similar stations is operated so that the group automatically organizes or configures itself into a multi-layered network for relaying messages from station to station, with some of the... | 07/15/2003 |
| 6418299 | Self-organizing mobile wireless station network In the communications network disclosed herein, each of a plurality of similar stations is operated so that the group automatically organizes or configures itself into a multi-layered network for relaying messages from station to station, with some of the... | 07/09/2002 |
| 6185210 | Virtual circuit management for multi-point delivery in a network system A system and method for optimizing and managing Qos (Quality of Service) in a network system including a plurality of open point-to-multipoint virtual circuits (VC)s between various endpoint sites, for example in multicast systems. VC optimization include... | 02/06/2001 |
| 6144638 | Multi-tenant unit Systems and methods for providing multiple users with access to a public network like the Internet are provided. A single high bandwidth connection (e.g., fast Ethernet) allows the users to communicate with the public network. Each user is allocated a spe... | 11/07/2000 |
| 6128290 | Personal data network The data network disclosed herein utilizes low duty cycle pulsed radio frequency energy to effect bidirectional wireless data communication between a server microcomputer unit and a plurality of peripheral units located within short range of the server un... | 10/03/2000 |
| 6052682 | Method of and apparatus for recognizing and labeling instances of name classes in textual environments A computer assisted method for recognizing and labeling instances of name classes in textual environments is described. The invention receives training text having instances of named-entity classes labeled, from which it generates a database of bigram and... | 04/18/2000 |
| 6049758 | Reservoir monitoring A method for reducing the time, cost and apparatus required for monitoring the geometry of the oil/water, oil/gas, or gas/water interface in an underground reservoir. By strategically placing sources and sensors, and by fixing the sensors to the solid ear... | 04/11/2000 |
| 5933525 | Language-independent and segmentation-free optical character recognition system and method A language-independent and segment free OCR system and method comprises a unique feature extraction approach which represents two dimensional data relating to OCR as one independent variable (specifically the position within a line of text in the directio... | 08/03/1999 |
| 5848403 | System and method for genetic algorithm scheduling systems An improved Genetic Algorithm scheduling system includes system for encoding and testing hard constraint information. Each resource and task includes an associated capability and constraint indicating component. A comparison of the capability and constrai... | 12/08/1998 |
| 5809843 | Active cancellation of noise at gear mesh frequencies for a gear assembly under load A method and apparatus to cancel gear vibration and noise by imposing a canceling drive torque or force on a driven gear set. Sensors receive information and produce an error signal representative of the vibration and/or noise generated at meshing gears. ... | 09/22/1998 |
| 5734649 | Data packet router In the data packet router disclosed herein, a matrix of crosspoint switch elements connects data sources to selected destinations during each of a succession of intervals. Allocation of switch elements to desired connections is accomplished by a process w... | 03/31/1998 |
| 5699357 | Personal data network The data network disclosed herein utilizes low duty cycle pulsed radio frequency energy to effect bidirectional wireless data communication between a server microcomputer unit and a plurality of peripheral units, each of which is intended to be carried on... | 12/16/1997 |
| 5682328 | Centralized computer event data logging system Event logging using a single board computer control card configurable onto a backplane containing target processor(s) being monitored. A high resolution clock on the control card time stamps events. Memory on the control card provides a central buffer to ... | 10/28/1997 |
| 5673236 | Underwater acoustic projector The underwater sound projector disclosed herein employs, as radiating surfaces or pistons, stiff, lightweight panels whose mass is substantially less than the inertial component of the radiation impedance over the operating frequency range. The panels are... | 09/30/1997 |
| 5625748 | Topic discriminator using posterior probability or confidence scores An improved topic discriminator includes an integrated speech recognizer or word and phrase spotter as part of a speech event detector, and a topic classifier trained on topic-dependent event frequencies. The event frequencies are determined from either o... | 04/29/1997 |
| 5621859 | Single tree method for grammar directed, very large vocabulary speech recognizer The invention provides a method of large vocabulary speech recognition that employs a single tree-structured phonetic hidden Markov model (HMM) at each frame of a time-synchronous process. A grammar probability is utilized upon recognition of each phoneme... | 04/15/1997 |
