Qualcomm Incorporated

Achates Power, Inc.

Jin Dai

Jon James Anderson

Jason Borthwick Kenagy

Mazen Chmaytelli

Ravinder Paul Chandhok

Francis M Ngai

David J Ross

Tia Manning Cassett

Daniel Holman Agre

Edward B Victor

Arne Croizat Joseph Mortensen

James U Lemke

Michael H Wahl

Patrick T Lee

Ryan G Mackenzie

Clark A Klyza

Patrick Tierney

Eric P Dion

Nadav Levanon

Paul M Seckendorf

Brendan M Lenski

Tristan M Burton

Gordon E Rado

Louis F Medeiros

Mo Ip

Todd R Rose

Bill Ames

Ed Victor

Jim Determan

Eric Dion

Patrick Lee

Louis Medeiros

Daniel H Agre

Integrated, multi-cylinder opposed engine constructions include a unitary support structure to which cylinder liners are removeably mounted and sealed and on which crankshafts are rotatably supported. The unitary support structure includes cooling manifolds that provide liquid coolant to the cylinder liners. Exhaust and intake manifolds attached to the support structure to serve respective ports in the cylinder liner. The engine constructions may also include certain improvements in the construction of cooled pistons with flexible skirts, and in the construction of cylinders with sealing structures mounted outside of exhaust and inlet ports to control lubricant in the cylindrical interstice between the through bore and the pistons.

Multi-cylinder opposed piston engines

A system, method, and program for remotely interacting with a diagnostic interface resident on wireless computer devices. The wireless device provides an accessible diagnostic interface that allows reads and/or writes to device resident diagnostic data and tools. Through use of the interaction, wireless device status data and network status data can be gathered and utilized, and if so embodied, the diagnostic tools resident on the wireless devices can be manipulated to alter wireless device operation.

Remote interaction with a wireless device resident diagnostic interface across a wireless network

A system, method, and program for optimizing a wireless network having at least data communication between computer devices selectively connected thereto, and at least one of the computer devices is a remotely located wireless device. The wireless device has a resident network optimization application that causes the selective transmission of network status data to at least one other computer device on the wireless network, and either the data-receiving computer device or another computer device on the wireless network optimizes the wireless network based upon the received network status data.

Wireless network optimization through remote device data

A system and method for determining timing offset errors in a low earth orbit satellite system based upon Doppler and Doppler rate of change is provided. A user terminal determines first and second timing offsets respectively associated with first and second satellite beams from respective first and second satellites. Next, the user terminal determines the Doppler and Doppler rate of change associated with the first and second satellite beams. A timing offset is estimated from the measured Doppler and Doppler rate of change and is then compared with the user terminal's own determined timing offset. If the comparison does not produce a value within a predetermined threshold, a beam identification error is declared.

Aiding beam identification in a satellite system

An apparatus, method, and process for quickly and accurately determining the position of a user terminal in a satellite communications system. An initial coarse estimate of the radius of the Earth at a terminal position is made. The geometry of satellites being used and the user terminal is then determined. When only one satellite is used, the satellite-user terminal geometry includes the range and range rate of the satellite with respect to the user terminal. When two satellites are used, the satellite-user terminal geometry includes the range of each satellite with respect to the user terminal. An initial position estimate is determined based on the radius and the satellite-user terminal geometry. The coarse radius estimate can then be formed into a fine estimate and the initial position estimate further refined.

Fast user terminal position determination in a satellite communications system

The present invention is a system and method for accurately determining the distance (range) between one or more satellites and a user terminal and the rate of change (range rate) of that distance. When accurately determined according to the present invention, these quantities can be used to determine the location of the user terminal with a high degree of accuracy. When one satellite is available, the present invention determines the range and range rate based on the Doppler frequency shift that a signal experiences between the satellite and the user terminal, the round trip delay a signal experiences during transmission from the satellite to the user terminal and back via a satellite to a gateway, the Doppler frequency shift a signal experiences between the satellite and the gateway, and the timestamps of the measurements. When a second satellite is available, the present invention determines the range and range rate between the second satellite and the user terminal based on the round trip delay, the Doppler frequency shift that a signal experiences between the second satellite and the user terminal, and the difference in arrival times at the user terminal of the signals from the satellites.

Accurate range and range rate determination in a satellite

Growing community of inventors

San Diego, CA, United States of America

Jin Dai