Patent application number | Description | Published |
20080272963 | BROADBAND DIELECTRIC RESONATOR ANTENNA EMBEDDING MOAT AND DESIGN METHOD THEREOF - An antenna is provided comprising a substrate, a feed conductor, a ground layer and a resonator body. The substrate comprises a first surface and a second surface. The feed conductor is formed on the first surface. The ground layer is formed on the second surface comprising an opening. The resonator body comprises a first resonator structure and a second resonator structure. The first resonator structure is disposed on the ground layer. The second resonator structure is disposed on the ground layer surrounding the first resonator structure, wherein a groove is formed between the first and the second resonator structures. | 11-06-2008 |
20080278378 | Wideband dielectric resonator antenna - An antenna comprises a substrate, a feed conductor, a ground layer, a resonator and a short-circuited element. The substrate comprises a first surface and a second surface. The feed conductor is formed on the first surface. The ground layer is formed on the second surface, comprising an aperture. The resonator is disposed on the ground layer, comprising a body and a notch, the notch is formed on a first side of the body, wherein the first side is perpendicular to the ground layer. The short-circuited element is disposed on the first side connecting the ground layer. | 11-13-2008 |
20090085793 | Method and system for predicting air-to-surface target missile - A method and system for predicting a trajectory of an air-to-surface target missile is provided, including detecting a plurality of echo wave signals from the target missile through a plurality of sensors deployed at various locations relative to the target missile, extracting at least one range distance and at least one radial velocity, respectively, from the detected echo wave signals from the sensors by using a hybrid FSK/LFM unit, using a two-stage Kalman filter to filter the computed range distance and radial velocity to obtain a relative distance, a relative velocity and a relative acceleration, respectively, of the target missile, and finally applying trilateration on the relative distance, relative velocity and relative acceleration of the target missile from each two-stage Kalman filter to obtain a location, velocity and acceleration along the x, y, z directions. | 04-02-2009 |
20090140944 | ANTENNA AND RESONANT FREQUENCY TUNING METHOD THEREOF - A dual-band dielectric resonator antenna (DRA) is designed by splitting a rectilinear DR and carving notches and tunnels off the DR. The antenna comprises a substrate, a microstrip line, a ground plane and a resonant structure, wherein a first resonant part and a second resonant part of the resonant structure are separated by a gap. The proposed DRA can cover both the WiMAX (3.4-3.7 GHz) and the WLAN (5.15-5.35 GHz) bands by engraving notches and tunnels at different positions of the first resonant part and the second resonant part. | 06-04-2009 |
20090171586 | Detection method for preventing automobile from colliding - A detection method for preventing an automobile from colliding is applied to an automobile. The detection method includes the following steps: step (a): providing at least two detection devices, each detection device is used to measure a predetermined information of the automobile. A one-stage linear Kalman filter in each device is used to enhance the signal-to-noise ratio of the predetermined information. In step (b): utilizing the one-stage linear filter to receive the predetermined information and obtain a corrected information from the predetermined information after the signal-to-noise ratio is enhanced. In step (c): calculating the corrected information to obtain a component information having vector components of a first direction and a second direction. In step (d): enhancing the signal-to-noise ratio to enable the component information to be a contrast information. Accordingly, the convergence time of calculating the contrast information can be substantially reduced. The position variation of the surrounding moving objects can be accurately estimated to prevent the sudden collision in a short time. | 07-02-2009 |
20100174488 | Tsunami Detection Method And System - A method of detecting a tsunami by using the global positioning system (GPS) is provided. The method comprises steps of distributing a plurality of GPS receivers over a sea surface in a target area; receiving signals from GPS satellites by the plurality of GPS receivers, and transmitting the signals and coordinates of the plurality of GPS receivers to a computer; processing the signals to acquire a real-time monitoring data of the ionosphere, wherein the real-time monitoring data includes the distribution of electrons in the ionosphere above the target area; and determining the occurrence of a tsunami based on the distribution of electrons. | 07-08-2010 |
20100182006 | METHOD OF TIME-DOMAIN MAGNETIC RESONANCE IMAGING AND DEVICE THEREOF - The present invention relates to a method of time-domain magnetic resonance imaging and device thereof. The method includes transiently exciting a sample; receiving a signal emitted form the sample; and processing the received signal without Fourier transformation to acquire an image. The device includes an excitation device, a detecting coil and an operating circuit to process a received emitting signal and generating an image, wherein the received emitting signal is a time-domain signal free from Fourier transformation. The time of generating an image can be reduced dramatically by the present invention. | 07-22-2010 |
20120188120 | METHOD AND APPARATUS FOR POSITIONING - A positioning method and a positioning apparatus are provided. In this positioning method, a differential global positioning system is used to calculate a double difference of satellite distance in connection with a reference station and a receiver station. A baseline vector pointing from the reference station to the receiver station is calculated according to the double difference of satellite distance and the cosine law. The baseline vector and the position of the reference station are used to calculate the position of the receiver station. Correction coefficients are obtained according to the position of the reference station, the position of the receiver station, and the current time. The position of the receiver station is corrected according to the correction coefficients and the length of the baseline vector. | 07-26-2012 |
20120234680 | PARTICLE TRANSPORTER - A particle transporter based on travelling-wave dielectrophoresis is provided. The particle transporter includes a plurality of turn-around electrodes. The turn-around electrodes are disposed on a substrate and arranged in a fan shape. The turn-around electrodes provide an arc channel for transporting a plurality of particles. Wherein, the turn-around electrodes are not connected to each other, and neighboring sides of any two adjacent electrodes of the turn-around electrodes are approximately parallel. | 09-20-2012 |
20140034502 | PARTICLE TRANSPORTER - A particle transporter based on travelling-wave dielectrophoresis is provided. The particle transporter includes a common electrode, a plurality of left switch electrodes and a plurality of right switch electrodes. The left switch electrodes and the right switch electrodes are respectively disposed adjacent to different ends at one side of the common electrode. The left switch electrodes are disposed on the substrate along a first straight-line direction. The left switch electrodes are parallel to the common electrode and provide a left switch channel to transport a plurality of particles. The right switch electrodes are disposed on the substrate along a second straight-line direction. The right switch electrodes are parallel to the common electrode and provide a right switch channel to transport the particles. | 02-06-2014 |
20140034503 | PARTICLE TRANSPORTER - A particle transporter based on travelling-wave dielectrophoresis is provided. The particle transporter includes a first collection electrode and a second collection electrode on a substrate. The first collection electrode has a first dentate portion. The second collection electrode is located adjacent to the first dentate portion of the first collection electrode. The second collection electrode has a second dentate portion at a side adjacent to the first dentate portion. Where, a particle collection space is formed around tips of the first dentate portion and the second dentate portion. | 02-06-2014 |