About 12 results
https://drivepatents.com/patents/950407 · 10 Jun 2015
An embodiment of a plasma ignition system for an internal combustion engine having up to N cylinders includes a power splitter, N phase shifters, N amplifiers, a power combiner network, and up to N radiation devices. The power splitter divides an input RF ...
https://drivepatents.com/patents/967990 · 29 Oct 2014
An apparatus (36) includes a motion amplification structure (52), an actuator (54), and a sense electrode (50) in proximity to the structure (52). The actuator (54) induces an axial force (88) upon the structure (52), which causes a relatively large amount...
https://drivepatents.com/patents/968767 · 15 Oct 2014
Embodiments of systems (300) for calibrating transducer-including devices (100, 200, 372, 650, 900, 1000) include a board support structure (354, 630), one or more motors (356, 620), a motor control module (320), and a calibration control module (318). The...
https://drivepatents.com/patents/969883 · 17 Sep 2014
A wireless charging system (100, 200) includes a power transmitting device (110, 210) and a power receiving device (130, 230). In the transmitting device, a transmitting coil (212) converts (302) a drive signal from a drive signal circuit (216) into an alt...
https://drivepatents.com/patents/977695 · 5 Mar 2014
A MEMS pressure sensor device (200, 400, 500, 600) is provided that can provide both a linear output with regard to external pressure, and a differential capacitance output so as to improve the signal amplitude level. These benefits are provided through us...
https://drivepatents.com/patents/979657 · 15 Jan 2014
An angular rate sensor (20) includes a drive mass (36) flexibly coupled to a substrate (22). A sense mass (42) is suspended above the substrate (22) is and flexibly connected to the drive mass (36) via flexible support elements (44). A quadrature compensat...
https://drivepatents.com/patents/980185 · 1 Jan 2014
A semiconductor device package (400) having a cavity (610, 1240) formed using film-assisted molding techniques is provided. Through the use of such techniques the cavity can be formed in specific locations in the molded package, such as on top of a device ...
https://drivepatents.com/patents/991807 · 10 Apr 2013
A rotary disk gyroscope (20) includes a drive mass (28) and a sense mass (32). The sense mass (32) includes a cutout region (46, 48) located proximate an axis of rotation (40). Torsion springs (38), located in the cutout region (46, 48), connect the sense ...
https://drivepatents.com/patents/1000256 · 18 Jul 2012
A method of forming a MEMS device (10) includes forming a sacrificial layer (34) over a substrate (12). The method further includes forming a metal layer (42) over the sacrificial layer (34) and forming a protection layer (44) overlying the metal layer (42...
https://drivepatents.com/patents/1006261 · 11 Jan 2012
A method of operating a battery system includes a plurality of battery cells (24,26,28,30) coupled in series. The plurality of cells (24,26,28,30) includes at least three battery cells coupled in series. The method includes determining a cell with the grea...