Ruwan
Ruwan Jayanetti, Rajagiriya LK
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20090149200 | System and method for device or system location optimization - Systems, devices and/or methods that facilitate location optimization of mobile devices and/or systems are presented. Location optimization can result in an improved user experience by providing information and/or software tailored to the location of the device and/or system. Location aware devices/systems can include a deterministic or inferential determination of the granular location of the device/system. Location aware devices/systems can also include deterministic or inferential determinations of potential location zone transitions. These determinations and/or inferences can be employed to determine the availability of, and relevance of, device/system updates. Available relevant updates can be downloaded to the device/system at varying levels of granularity and overlap. The downloaded updates can then be installed and made available to the user. | 06-11-2009 |
Ruwan Welaratna, San Fracisco, CA US
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20090128156 | ENHANCED PRECISE LOCATION - A method for determining the location of underground cables and pipes is disclosed. In some embodiments, the method includes measuring a set of electromagnetic field magnitudes and phases at a plurality of positions while traversing a target line parallelly using 3D electromagnetic coil sensors, the 3D electromagnetic coil sensors being orthogonally oriented to the target line, modeling a set of expected complex electromagnetic field magnitudes of a single underground conductor at each of the positions to form a set of values corresponding to a set of individual models for the target line, determining which of the set of individuals models is a best model, determining confidence information at each of the positions based on a comparison between the measured set of complex electromagnetic magnitudes and phases and the best model, and determining parameters at each of positions related to the target line from the best model. | 05-21-2009 |
Ruwan Welaratna, Los Altos, CA US
Patent application number | Description | Published |
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20110313555 | AUDIO MONITORING SYSTEM AND METHOD OF USE - A method includes receiving audible sound signals such as the cries of a baby via a microphone of a monitor, and processing the signals to identify whether a predetermined acoustic signature is present. An alert may be generated when the predetermined acoustic signature is present. An information data signal such as a discrete data packet quantifies how closely the sounds match the predetermined signature, and is transmitted to a remote device. The server may aggregate these data packets over time and calculate a variance between the aggregated data packets and a baseline. A report may be generated describing the sound signals and variance. A monitoring system having the monitor and a server are also disclosed. | 12-22-2011 |