Chavers, US
Donald Gregory Chavers, Somerville, AL US
Patent application number | Description | Published |
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20090027129 | High Power RF Solid State Power Amplifier System - A high power, high frequency, solid state power amplifier system includes a plurality of input multiple port splitters for receiving a high-frequency input and for dividing the input into a plurality of outputs and a plurality of solid state amplifier units. Each amplifier unit includes a plurality of amplifiers, and each amplifier is individually connected to one of the outputs of multiport splitters and produces a corresponding amplified output. A plurality of multiport combiners combine the amplified outputs of the amplifiers of each of the amplifier units to a combined output. Automatic level control protection circuitry protects the amplifiers and maintains a substantial constant amplifier power output. | 01-29-2009 |
20090029669 | Radio Frequency Power Load and Associated Method - A radio frequency power load and associated method. A radio frequency power load apparatus includes a container and a fluid having an ion source therein, the fluid being contained in the container. Two conductors are immersed in the fluid. A radio frequency transmission system includes a radio frequency transmitter, a radio frequency amplifier connected to the transmitter and a radio frequency power load apparatus connected to the amplifier. The apparatus includes a fluid having an ion source therein, and two conductors immersed in the fluid. A method of dissipating power generated by a radio frequency transmission system includes the steps of: immersing two conductors of a radio frequency power load apparatus in a fluid having an ion source therein; and connecting the apparatus to an amplifier of the transmission system. | 01-29-2009 |
Raymond D. Chavers, Humble, TX US
Patent application number | Description | Published |
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20080217025 | DEFORMABLE BALL SEAT AND METHOD - Disclosed herein is a disappearing ball seat. The disappearing ball seat includes, a tubular member having an inside dimension, and a restricted dimension portion of the tubular member dimensioned to prevent passage of a tripping ball therethrough, the restricted dimension portion being reconfigurable to a dimension capable of passing the tripping ball therethrough. | 09-11-2008 |
20080223584 | DOWNHOLE RETRIEVING TOOL AND METHOD - Disclosed herein is a downhole retrieving tool. The tool includes, a tubular member with a deformable portion having a reduced internal dimension, and a swage member engagable with the reduced internal dimension such that movement of the swage member through the deformable portion radially increases the internal dimension and the outer surface of the deformable portion causing the deformable portion to move radially outwardly. | 09-18-2008 |
20110180267 | Battery-Powered and Logic-Controlled Gas Lift Valve for Use in Wells and Methods of Using and Making Same - A flow control device is provided that in one embodiment includes a flow-through region configured to receive formation fluid at an inflow region and discharge the received fluid at an outflow region and a setting device configured to adjust the flow of the fluid through the flow-through region to a selected level. The setting device includes a coupling member configured to be coupled to an external latching device adapted to move the coupling member to cause the setting device to alter the flow of the fluid from the flow-through region to the selected level. | 07-28-2011 |
20130320626 | PACK OFF DEVICE WITH CABLE FEEDTHROUGH - A pack-off device, including a body having a first feedthrough and a second feedthrough formed therein. A projection extends from the body and is operatively arranged to engage a restriction of an adjacent structure. At least one seal element is arranged with the body for sealing the device against the adjacent structure when the projection is engaged with the restriction. A method of arranging and operating a completion system is also included. | 12-05-2013 |
Romana B. Chavers, Kiln, MS US
Patent application number | Description | Published |
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20080312387 | New Polyarylene Composition - Blend (B) comprising at least one polyarylene in a form other than fibers, and at least one poly(aryl ether ketone). | 12-18-2008 |
20090036594 | Reinforced Blend - Blend (B) comprising: | 02-05-2009 |
20100273957 | Prosthetic devices - A prosthetic device comprising at least one part consisting of a polymer composition comprising at least one polyarylene (P1) and at least one polyarylether selected from the group consisting of poly(aryl ether ketone)s (P2) and poly(aryl ether sulfone)s (P3). | 10-28-2010 |
20130217834 | POLYARYLENE COMPOSITION - Blend (B) comprising at least one polyarylene in a form other than fibers, and at least one poly(aryl ether ketone). | 08-22-2013 |
Tracey Lee Chavers, Fremont, CA US
Patent application number | Description | Published |
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20090311973 | Radio Transmitter and Radio Receiver with Channel Condition Assessment - FM radio transmitter is being widely used in portable devices as a convenient way to output audio contents to ubiquitously available FM radio receivers in cars or homes. However, the signal from the FM radio transmitter may be interfering with the signal being broadcast by an FM radio station. A scan system is incorporated into the FM radio transmitter to quickly and reliably identify a vacant channel for the FM radio transmitter to use. The scan system measures on-channel and out-of-channel signal quality and selects a best channel for transmission based on the measured on-channel and out-of-channel signal quality. The scan system is also incorporated into an FM radio receiver to quickly and reliably tune to a valid channel. The scan system selects the valid channel based on the measured on-channel and out-of-channel signal quality. | 12-17-2009 |
20120238228 | Radio Transmitter and Radio Receiver with Channel Condition Assessment - FM radio transmitter is being widely used in portable devices as a convenient way to output audio contents to ubiquitously available FM radio receivers in cars or homes. However, the signal from the FM radio transmitter may be interfering with the signal being broadcast by an FM radio station. A scan system is incorporated into the FM radio transmitter to quickly and reliably identify a vacant channel for the FM radio transmitter to use. The scan system measures on-channel and out-of-channel signal quality and selects a best channel for transmission based on the measured on-channel and out-of-channel signal quality. The scan system is also incorporated into an FM radio receiver to quickly and reliably tune to a valid channel. The scan system selects the valid channel based on the measured on-channel and out-of-channel signal quality. | 09-20-2012 |
Tracey Lee Chavers, San Jose, CA US
Patent application number | Description | Published |
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20090311982 | FREQUENCY MODULATION (FM) CLEAR CHANNEL SCANNING SYSTEM AND METHOD OF USING SAME - A scan system receives signals within a band from an antenna and divides the band into sub-bands and scans the channels of each sub-band to determine a candidate channel based on the lowest figure of merit (FOM) and includes an on-channel selection block responsive to a received digital signal and operative to select only the on-channel frequencies and to substantially disregard the out-of-channel frequencies from the digital signal. The scan system generates a FOM on-channel signal representing a measurement of the signal quality of the on-channel signal and includes an out-of-channel selection block responsive to the digital signal and operative to select only the out-of-channel frequencies and to substantially disregard the on-channel frequencies from the digital signal and operative to generate a FOM out-of-channel signal representing a measurement of the signal quality of the out-of-channel signal. | 12-17-2009 |