| Patent application number | Description | Published |
|---|
| 20090201344 | DEVICE AND METHOD FOR DELIVERING A FLUID IN FORM OF A HIGH-SPEED MICRO-JET - The present invention relates to a device and method for delivering a fluid in the form of a high-speed micro-jet. In order to provide a small and low-cost device for delivering a fluid in the form of a high-speed micro-jet, a device ( | 08-13-2009 |
| 20100182730 | FERROELECTRIC VARACTOR WITH IMPROVED TUNING RANGE - The present invention relates to a ferroelectric varactor ( | 07-22-2010 |
| 20100182731 | TUNABLE MEMS CAPACITOR - A MEMS tunable capacitor comprises first and second opposing capacitor electrodes ( | 07-22-2010 |
| 20100202254 | CMUTS WITH A HIGH-K DIELECTRIC - A capacitive ultrasound transducer includes a first electrode, a second electrode, and a third electrode, the third electrode including a central region disposed in collapsibly spaced relation with the first electrode, and a peripheral region disposed outward of the central region and disposed in collapsibly spaced relation with the second electrode. The transducer further includes a layer of a high dielectric constant material disposed between the third electrode and the first electrode, and between the third electrode and the second electrode. The transducer may be operable in a collapsed mode wherein the peripheral region of the third electrode oscillates relative to the second electrode, and the central region of the third electrode is fully collapsed with respect to the first electrode such that the dielectric layer is sandwiched therebetween. Piezoelectric actuation, such as d31 and d33 mode piezoelectric actuation, may further be included. A medical imaging system includes an array of such capacitive ultrasound transducers disposed on a common substrate. | 08-12-2010 |
| 20100277040 | THIN FILM DETECTOR FOR PRESENCE DETECTION - A transducer ( | 11-04-2010 |
| 20110038093 | TURNABLE CAPACITOR AND SWITCH USING MEMS WITH PHASE CHANGE MATERIAL - The present invention relates to a MEMS, being developed for e.g. a mobile communication application, such as switch, tunable capacitor, tunable filter, phase shifter, multiplexer, voltage controlled oscillator, and tunable matching network. The volume change of phase-change layer is used for a bi-stable actuation of the MEMS device. The MEMS device comprises at least a bendable cantilever, a phase change layer, and electrodes. A process to implement this device and a method for using is given. | 02-17-2011 |
| 20110102095 | MEMS RESONATOR FOR FILTERING AND MIXING - A method of operating a micro-electromechanical system, comprising a resonator; an actuation electrode; and a first detection electrode, to filter and mix a plurality of signals. The method comprises applying a first alternating voltage signal to the actuation electrode, wherein an actuation force is generated having a frequency bandwidth that is greater than and includes a resonant bandwidth of a mechanical frequency response of the resonator, and wherein a displacement of the resonator is produced which is filtered by the mechanical frequency response and varies a value of an electrical characteristic of the first detection electrode. The method also comprises applying a second alternating voltage signal to the first detection electrode, wherein the second voltage signal is mixed with the varying value to produce a first alternating current signal. The first alternating current signal is detected at the first detection electrode. | 05-05-2011 |
| 20110120843 | PIEZOELECTRIC BIMORPH SWITCH - The present invention relates to a piezoelectric bimorph switch, specifically a cantilever (single clamped beam) switch, which can be actively opened and closed. Piezoelectric bimorph switch are known from the prior art. Such a switch may be regarded as an actuator. Actuators are regarded as a subdivision of transducers. They are devices, which transform an input signal (mainly an electrical signal) into motion. Electrical motors, pneumatic actuators, hydraulic pistons, relays, comb drive, piezoelectric actuators, thermal bimorphs, Digital Micromirror Devices and electroactive polymers are some examples of such actuators. The switch of the invention comprises piezoelectric stack layers ( | 05-26-2011 |
| 20110137166 | TRANSDUCER ARRANGEMENT AND METHOD FOR ACQUIRING SONO-ELASTOGRAPHICAL DATA AND ULTRASONIC DATA OF A MATERIAL - The present invention relates to a transducer arrangement, particularly a transducer arrangement for acquiring tissue information, a method for using a transducer arrangement for acquiring tissue information and a glove which comprises a transducer arrangement. The transducer arrangement | 06-09-2011 |
| 20110163161 | RECONFIGURABLE RADIO-FREQUENCY FRONT-END - A reconfigurable radio-frequency front-end | 07-07-2011 |
