Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.

Location: Hong Kong, CN
No. of patents: 36

Number	Title	Issue Date
8185650	Systems, methods, and computer program products for transmitting and/or receiving media streams A method includes receiving encoded media content, transforming the encoded media content into web page content by dividing the encoded media content into a plurality of web page files formatted as a static web page, and transmitting the web page content over the ne...	05/22/2012
8085860	Systems and methods for sampling frequency offset estimation A method comprises receiving a transmission including at least two Orthogonal Frequency Division Multiplexing (OFDM) symbols, estimating a sampling frequency offset associated with the OFDM symbols at least in part by employing a term representing a density of pilot...	12/27/2011
8082356	Synchronizing buffer map offset in peer-to-peer live media streaming systems A method performed by a new joining peer device in a peer-to-peer (P2P) network comprises receiving a plurality of buffer maps, each of the received buffer maps associated with a respective other peer device in the P2P network. The method also includes discerning pl...	12/20/2011
8056819	Miniature and multi-band RF coil design A near field apparatus comprises a Radio Frequency (RF) coil including at least one of a shorting bridge from a first point to a second point along an electrical path of the RF coil and/or a discontinuity in the electrical path of the RF coil. ...	11/15/2011
8031795	Pre-processing systems and methods for MIMO antenna systems A method for controlling a Multiple Input Multiple Output (MIMO) antenna system comprises at a first communication unit, receiving a table from a second communication unit, the table including a plurality of space time processing schemes based on predicted channel s...	10/04/2011
8031484	IC packages with internal heat dissipation structures An IC package includes a substrate and a plurality of thermal dissipating vias perforating the substrate. The substrate includes a power plane, a ground plane, and a dielectric layer disposed between the power plane and the ground plane. The power plane includes a p...	10/04/2011
7991906	Method of data request scheduling in peer-to-peer sharing networks Systems and methods are provided for scheduling data requests for streaming media data in a Peer-to-Peer (P2P) network. A method is provided to increase a peer's contribution to the whole P2P network by partitioning the data chunks to request into several regions ac...	08/02/2011
7973718	Systems and methods employing coupling elements to increase antenna isolation An antenna system comprises a first antenna element mutually coupled with a second antenna element, the mutual coupling between the first and second antenna elements causing a first current in the second antenna element, and a coupling element disposed at least part...	07/05/2011
7924225	Direction finding antenna systems and methods for use thereof An antenna system comprising a first antenna element, a second antenna element, and a parasitic element, wherein the parasitic element is arranged with regard to the first antenna element and the second antenna element such that a greatest difference in gain between...	04/12/2011
7881392	OFDM/OFDMA timing synchronization using non-consecutive pilot subcarrier assignment Systems and methods which are adapted determine timing with respect to an orthogonal frequency division (OFD) channel, such as may be used with respect to an OFDM or OFDMA systems through reliably identifying timing of a first arriving signal path. Embodiments use d...	02/01/2011
7830984	OFDM/OFDMA channel estimation Systems and methods which introduce a variable shift with respect to pilot symbols in providing a data subcarrier channel estimation are shown. Use of pilot symbol shifts may be useful, for example, when path delay is long and/or when non-consecutive, non-uniformly ...	11/09/2010
7829905	Semiconductor light emitting device A semiconductor light emitting device for emission of light having a predetermined bandwidth in a primary direction of emission includes a light generating region for the generation of light; and a 1-dimensional photonic crystal structure having a photonic bandgap c...	11/09/2010
7812783	Miniaturized orthogonal antenna system A system for providing multiple antenna patterns comprises a first antenna element, a second antenna element, wherein the first and second antenna elements are coplanar and arranged orthogonally with respect to each other in the plane, and a feed circuit in communic...	10/12/2010
7778340	Accurate channel quality indicator for link adaptation of MIMO communication systems A method for performing link adaptation in a Multiple Input Multiple Output (MIMO) system comprises: receiving a signal at a receiving unit of the MIMO system, calculating channel state information (CSI) from the received signal, and calculating a plurality of value...	08/17/2010
7772941	Ultra-wideband/dualband broadside-coupled coplanar stripline balun A balun comprises at least two asymmetric coplanar striplines, a first of the striplines coupled to a signal input, and a second of the striplines coupled to a signal output, the at least two asymmetric coplanar striplines configured in a Marchand architecture to re...	08/10/2010
7741981	Dual-use comparator/op amp for use as both a successive-approximation ADC and DAC A re-configurable circuit acts as an Analog-to-Digital Converter (ADC) and as a digital-to-analog converter (DAC). An array of binary-weighted capacitors stores an analog input. Switches connect different capacitors in the array to fixed voltages that cause charge-s...	06/22/2010
7720016	Multi-hop routing method with bandwidth reservation in wireless network A routing method for communication from a source node to a destination node in a distributed wireless network which comprises a plurality of wireless mobile nodes. The method has the following steps: (1) a query step where the source node sends a route request query...	05/18/2010
7706440	Method for reducing bit rate requirements for encoding multimedia data Some representative embodiments are directed to systems and methods for compressing a data set. In one embodiment, a method comprises receiving a frame of data to be encoded, generating a residual frame that represents a difference between the received frame and one...	04/27/2010
7696928	Systems and methods for using parasitic elements for controlling antenna resonances Systems and methods for communicating over multiple frequency bands include a driven antenna element and a parasitic element communicatively coupled to the driven antenna element, the parasitic element including at least a first and a second conductive section. The ...	04/13/2010
7693119	Transmission power control over a wireless ad-hoc network A method for controlling transmission power on a node over a wireless ad-hoc network which includes a plurality of sender, intermediate and receiver nodes is provided. Initially, levels of the transmission power of the node are configured. The node then exchange inf...	04/06/2010
7684053	Optical displacement sensor and distance measuring apparatus An optical displacement sensor for measuring distance or surface displacement of an object by surface profile scanning includes an optical source, a first optical detector and a second optical detector. The optical source is located intermediate the first and second...	03/23/2010
7663229	Lighting device A lighting device contains a plurality of light emitting sources mounted on a thermally conductive housing and electrically connected to a circuit board. The housing includes a base portion which is spaced apart from the circuit board, and an intermediate heat dissi...	02/16/2010
7659780	Gain control circuit A gain control circuit including a resistor with a first terminal and a second terminal; an operational amplifier with an inverting terminal thereof electrically coupled to said first terminal of said resistor; a non-inverting terminal thereof; and an output termina...	02/09/2010
7659546	Light emitting device A light emitting device firstly includes a light emitting diode (LED) structure, having a top surface with a light emitting region. The device also has a heterojunction within the device structure, the heterojunction having a p-type and an n-type semiconductor layer...	02/09/2010
7657113	Auto-regressive method and filter for denoising images and videos A method and apparatus for denoising digital images or videos, which is an extension of the spatial varying filter (SVF) by using a past filtered pixel, instead of the current pixel itself as the input for producing an output for the current pixel. Based on this con...	02/02/2010
7656240	Low voltage synchronous oscillator for DC-DC converter Systems and methods which provide an oscillator circuit outputting non-overlapping trigger signals throughout a range of operating voltages using a reset-set (RS) flip-flop type circuit configuration are shown. Embodiments utilize output driver buffers internal to t...	02/02/2010
7653034	System and method for controlling access to a wireless medium Some representative embodiments are directed to controlling access to a wireless medium using “credit” periods and “free” periods. During a credit period, credits are initially assigned to the stations and each station is repetitively polled as long as the s...	01/26/2010
7639954	Driver for an optical transmitter A modulation driver for delivering an output modulation current for driving an optical source of an optical transmitter, the output modulation current comprises a first modulation current region characterised with a first temperature gradient and a second modulation...	12/29/2009
7629930	Systems and methods using ground plane filters for device isolation A system for reducing unwanted signals comprises a ground plane, a first active component disposed so as to cause signals in the ground plane, a second active component disposed so as to cause signals in the ground plane, wherein the ground plane provides a path for...	12/08/2009
7616158	Multi mode antenna system An antenna system comprising a first antenna element, a second antenna element, the first and second elements defining at least in part a slot element, an active switching network in communication with one or both of the first and second antenna elements, the switch...	11/10/2009
7607790	Backlighting apparatus and manufacturing process Apparatuses for backlighting and manufacturing processes thereof are disclosed. There is provided a backlight module. The backlight module comprises a double-sided circuit board with thermal conducting material as one of the core layers; a plurality of light source ...	10/27/2009
7545827	Busy tone for wireless networks Disclosed are systems and methods which provide a busy tone or signal for use in communication collision avoidance in a wireless network, such as a WLAN, a cellular network, or other point-to-multipoint wireless network. An intelligent busy tone generator, upon the ...	06/09/2009
7535431	Antenna systems with ground plane extensions and method for use thereof An antenna system comprising a ground plane structure on a substrate, an antenna space on the substrate adjacent to the ground plane structure, the antenna space including an ungrounded antenna therein with an associated first resonant length, an extension of the gr...	05/19/2009
7525504	Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications Systems and methods for employing switched phase shifters and a feed network to provide a low cost multiple beam antenna system for wireless communications. The present systems and methods may also facilitate multi-band communications and employ multi-diversity. The...	04/28/2009
7525488	Meander feed structure antenna systems and methods A transmitting and receiving system including an antenna element having first and second current paths, and a meander feed line connected to said first and second current paths, the meander feed line including a radiating portion parallel to the first current path, ...	04/28/2009
7482632	LED assembly and use thereof A light emitting diode (LED) assembly includes a first substrate carrying a first plurality of LEDs mounted thereon and a second substrate spaced apart from the first substrate. The second substrate carries a second plurality of LEDs thereon. The first and second su...	01/27/2009

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.