Inventor: Hui-Pin Hsu

Address: Northridge, CA
No. of patents: 36
Last patent issue date: 02/07/2012

Number	Title	Issue Date
8112261	Methods and simulation tools for predicting GPS performance in the broad operating environment To facilitate GPS hardware selection and evaluate performance of vehicle integrated GPS hardware, including various types of GPS antennas and receivers, within different vehicle operating environments, embodiments of the invention are used to provide a simulator whi...	02/07/2012
7994905	Tire pressure monitoring (TPM) system and method of operating the same There is provided an exemplary tire pressure monitoring (TPM) system that can use a half-duplex wireless link to communicate between one or more wheel-mounted sensor units and a vehicle-mounted transceiver unit. The half-duplex wireless link enables the sensor units...	08/09/2011
7864099	Low cost short range radar A low cost radar system that employs monopulse beamforming to detect objects in the road-way both in elevation and azimuth. In one non-limiting embodiment, a beamforming receiver architecture includes a first beamforming device and a plurality of antennas coupled to...	01/04/2011
7667665	Dual frequency aperture antenna A dual frequency radar antenna for connection to a first radar transmitter/receiver set which operates in a relatively lower frequency band and to a second radar transmitter/receiver set which operates in a relatively higher frequency band. The dual frequency radar ...	02/23/2010
7639207	Antenna structures having adjustable radiation characteristics The radiation properties and wave guiding properties of frequency selective surfaces are used in conjunction with closely spaced antenna elements to fabricate antenna structures having adjustable radiation characteristics. The direction, magnitude, and polarization ...	12/29/2009
7629194	Metal contact RF MEMS single pole double throw latching switch Apparatus for a micro-electro-mechanical switch that provides single pole, double throw switching action. The switch has two input lines and two output lines. The switch has a seesaw cantilever arm with contacts at each end that electrically connect the input lines ...	12/08/2009
7592945	Method of estimating target elevation utilizing radar data fusion A collision avoidance system for reducing false alerts by estimating the elevation of a target, includes short and long range single-dimensional scanning radar sensors having differing ranges and beam angles of inclination, and a digital fusion processor, and prefer...	09/22/2009
7546146	Control system and method for diversity antenna system A control system and method for controlling switching between and among multiple antennas in a diversity antenna system comprising a radio head unit associated with a radio receiver; two or more antennas, either located in separate antenna modules or co-located in t...	06/09/2009
7429961	Method for fabricating antenna structures having adjustable radiation characteristics The radiation properties and wave guiding properties of frequency selective surfaces are used in conjunction with closely spaced antenna elements to fabricate antenna structures having adjustable radiation characteristics. The direction, magnitude, and polarization ...	09/30/2008
7427961	Method for improving the efficiency of transparent thin film antennas and antennas made by such method A method for improving the efficiency of antennas having transparent thin-film conductive surfaces, and antennas improved by the method are disclosed. For a selected frequency of antenna operation, values for surface current density in areas distributed over the sur...	09/23/2008
7420525	Multi-beam antenna with shared dielectric lens An integrated multi-beam antenna with a shared dielectric lens is disclosed. The antenna is formed by positioning the feed apertures of a plurality of waveguide feeds at positions located on the surface of the shared dielectric lens. The angular direction and shape ...	09/02/2008
7382239	System and method for improving received signal strength for an in-vehicle wireless communication system An onboard wireless communication system for a vehicle, such as a tire pressure monitoring system (“TPMS”) is disclosed. The TPMS includes wheel-mounted radio frequency (“RF”) sensor/transmitters that transmit RF signals conveying tire pressure information, ...	06/03/2008
7289073	Method for improving the efficiency of transparent thin film antennas and antennas made by such method A method for improving the efficiency of antennas having transparent thin-film conductive surfaces, and antennas improved by the method are disclosed. For a selected frequency of antenna operation, values for surface current density in areas distributed over the sur...	10/30/2007
7280015	Metal contact RF MEMS single pole double throw latching switch Apparatus for a micro-electro-mechanical switch that provides single pole, double throw switching action. The switch has two input lines and two output lines. The switch has a seesaw cantilever arm with contacts at each end that electrically connect the input lines ...	10/09/2007
7233296	Transparent thin film antenna A method for improving the efficiency of antennas having transparent thin-film conductive surfaces, and antennas improved by the method are disclosed. For a selected frequency of antenna operation, values for surface current density in areas distributed over the sur...	06/19/2007
6989785	Low-profile, multi-band antenna module A low-profile multi-band antenna module includes first and second antennas that transmit first and second radio frequency (RF) signals in a first and second RF band, respectively. A first RF multiplexer combines the first and second RF signals for transmission. The ...	01/24/2006
6911952	Crossed-slot antenna for mobile satellite and terrestrial radio reception A crossed-slot antenna is fabricated using rectangular sheet of metal. A crossed-slot is etched or stamped in the sheet of metal. A feed structure is similarly formed in the sheet of metal. Sidewalls are integrally formed with the sheet of metal and are bent to form...	06/28/2005
6853339	Low-profile, multi-antenna module, and method of integration into a vehicle A method of integrating a thin antenna module into a vehicle is disclosed. The thin antenna module comprises a high impedance surface with at least one antenna element disposed thereon. The method includes the steps of inserting the thin antenna module between a con...	02/08/2005
6560213	Wideband wireless access local loop based on millimeter wave technology A wideband wireless access local loop system using millimeter wavelength wireless technology to provide wireless access to a series of customer interfaces, via a series of access interface points, to a backbone network of central nodes interconnected by a...	05/06/2003
6545647	Antenna system for communicating simultaneously with a satellite and a terrestrial system An antenna system for receiving both circularly polarized electromagnetic signals and linearly polarized electromagnetic signals, the circularly polarize signals arriving at the antenna system from a direction normal or oblique to a major surface of the a...	04/08/2003
6483814	Channel-adaptive radio modem The present invention provides an apparatus for and method of determining the nature of the wireless environment which is in use and dynamically selecting appropriate frequency channels for data transmissions which are more likely to accommodate sustained...	11/19/2002
6441792	Low-profile, multi-antenna module, and method of integration into a vehicle A method of integrating a thin antenna module into a vehicle is disclosed. The thin antenna module comprises a high impedance surface with at least one antenna element disposed thereon. The method includes the steps of inserting the thin antenna module be...	08/27/2002
6433756	Method of providing increased low-angle radiation sensitivity in an antenna and an antenna having increased low-angle radiation sensitivity An improved low-angle radiation antenna is obtained through excitation of a tangential electric field on the high-impedance surface, as well as leaky transverse-electric surface waves. Such fields and surface waves cannot normally occur on an ordinary met...	08/13/2002
6426722	Polarization converting radio frequency reflecting surface A polarization converting surface for reflecting impinging radio frequency waves. The surface includes a ground plane and a plurality of elements disposed in an array a distance from the ground plane. Each element is preferably connected to the ground pla...	07/30/2002
6417807	Optically controlled RF MEMS switch array for reconfigurable broadband reflective antennas A method and apparatus for reconfiguring an antenna array by optical control of MEMS switches. A light source is provided to direct light to individual optically sensitive elements which control delivery of actuating bias voltage to the MEMS switches. The...	07/09/2002
6366254	Planar antenna with switched beam diversity for interference reduction in a mobile environment A directive antenna and method of directing a radio frequency wave received by and/or transmitted from the antenna. The antenna preferably includes a high impedance surface with a plurality of antenna elements disposed on said surface, a plurality of asso...	04/02/2002
5443227	Switching control for multiple fiber-guided missile systems A fast and reliable switch (50) for multi-channel, bi-directional fiber optics data link (FODL) systems. The FODL channel switching is accomplished through a software command on the subcarrier frequency (SCF) code without using any moving components or wa...	08/22/1995
5365368	Efficient bi-directional optical fiber amplifier for missile guidance data link repeater A bi-directional erbium doped fiber (EDF) optical fiber amplifier (50) employing two separate EDF amplifier channels (52, 62) for two counter-propagating signals allows the optimization of each individual signal channel for efficient bi-directional optica...	11/15/1994
5310134	Tethered vehicle positioning system A tethered vehicle such as a missile system comprises a tethered vehicle body having a control system and propulsion system therein, a control station for the tethered vehicle located outside of the tethered vehicle body, and an optical fiber data link ex...	05/10/1994
5228631	Apparatus for winding a spool composed of a plurality of flat coils formed from a single filament A continuous filament (40) from a supply spool (50) is wound onto a takeup spool (52) in an amount to form one flat coil (54). A first winding device (42) forms a first flat coil (54) in winding space (36) between guides (28 and 30) while simultaneously a...	07/20/1993
5181270	Optical fiber canister The bobbin of an optical fiber canister is constructed so that the thermal expansion coefficient of the bobbin is matched to that of the optical fiber pack wound upon the bobbin. In one embodiment, an optical fiber canister (20) has a bobbin (22) in the s...	01/19/1993
5042906	Dispersion equalized optical fiber link A dispersion equalization technique for correcting dispersion-induced signal degradation within optical fibers is disclosed herein. The present invention prescribes a technique for synthesizing an optical fiber R of length L adapted to induce substantiall...	08/27/1991
5035375	Fiber optic radar guided missile system A fiber optic radar guided missile system 10 is disclosed which includes a radar receiver 12 disposed in a missile for receiving radar reflections and providing a first optical signal in response thereto. An optical receiver 14 is disposed at a launcher f...	07/30/1991
5016971	Automated laser fusion system for high strength optical fiber splicing An automated computer controlled process optical fiber splicing system 11 which yields consistent, high strength, low loss, high quality splices. The system of the invention includes a positioning system 17, 21, 29, and 31 for moving at least two optical ...	05/21/1991
5005936	Long range bidirectional optical fiber communication link A long-range optical fiber communication link overcoming certain constraints on signal transmission range imposed by fiber-induced loss is disclosed herein. A first embodiment of the communication link (10) of the present invention includes an optical fib...	04/09/1991
4954152	High strength optical fiber splice Two optical fibers are spliced together to form a single spliced optical fiber. The spliced region is uncontaminated by impurities, and has substantially no loss of optical transmission or mechanical strength as compared to the other regions of the fibers...	09/04/1990

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Inventor: Hui-Pin Hsu