Patents Assigned to Applied Science & Technology
  • Patent number: 7903900
    Abstract: Methods and apparatuses for color denoising are described. There is provided an image processing method. The method comprises the steps of retrieving chrominance level for a plurality of pixels in a predetermined configuration; computing a weight for each pixel; applying the weight to the chrominance level for each the pixel; summing the weighted chrominance level to output a chrominance level for a center pixel at the center of said predetermined configuration; and repeating the above steps for every pixel per image. The color noise can be reduced while preserving the edge without any edge detection.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: March 8, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Hon Wah Wong, Ka Man Cheng, Kar Kin Edwin Lee
  • Publication number: 20110050120
    Abstract: A lighting control system and an LED lamp for use with the lighting control system are provided. In one embodiment, the LED lamp includes a color LED including a red LED, a green LED, and a blue LED, and a lamp contact having a first contact section, a second contact section, and a third contact section, each of the first contact section, the second contact section, and the third contact section including a positive contact and a negative contact, wherein the first contact section is electrically connected to the red LED, the second contact section is electrically connected to the green LED, and the third contact section is electrically connected to the blue LED. The lighting control system may include an LED driver unit configured to provide independent electrical connection with each of the contact sections of the LED lamp.
    Type: Application
    Filed: September 1, 2009
    Publication date: March 3, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    Inventors: Chun Kai Leung, Kai Chiu Wu, Tik Shun Leung, Kin Cheong Li, Ming Lu
  • Publication number: 20110051428
    Abstract: A light emitting diode (LED) light engine is provided. According to one embodiment of the invention, the LED light engine includes a housing; an LED mounting board secured within the housing, the LED mounting board including one or more LED electrically connected to the LED mounting board, the LED mounting board configured to receive power from a power source to power the one or more LED; and a heat bridge conductively coupling the LED mounting board to the housing, wherein the heat bridge is configured to conduct heat from the LED mounting board to the housing, wherein the housing is configured to dissipate heat. The heat bridge may take one of several different configurations. A lighting assembly may be provided for securely mounting one or more LED light engines.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 3, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    Inventors: Yang Liu, De Liang Ding, MIng Lu
  • Publication number: 20110041246
    Abstract: Systems and methods in which temperature regulated cushioning systems are provided in hygienic, convenient configurations are shown. Embodiments provide heating and cooling to provide temperature regulation adapted for human comfort and/or therapeutic effects. Heating and cooling systems implemented with respect to cushioning systems are configured to provided desired temperature regulation for the cushioning system when in use while facilitating hygienic cleaning of the cushioning system. Cushioning structure is preferably adapted to be low weight and to facilitate desired temperature regulation while providing a structure which passively supports and cushions expected loads. Cushion media utilized according to embodiments is modular, such as may comprise a plurality of smaller blocks adapted to cooperate to form a larger cushioning structure.
    Type: Application
    Filed: August 20, 2009
    Publication date: February 24, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Geng Li, Cho-Yee Joey Chow
  • Patent number: 7891842
    Abstract: A heat-dissipating reflector for a lighting device having a reflecting surface for reflecting light from a light emitting source of the lighting device, and a plurality of ventilation openings formed through the reflecting surface for dissipating heat generated by the light emitting source.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: February 22, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    Inventors: Ming Lu, Kai Chiu Wu, Lei Shi, Lai Man Chau
  • Publication number: 20110041106
    Abstract: An integrated circuit modeling method 100 implementable on computer, which has an executable software model 145 having modules 140 of reusable functional cores 105 coded in a high level language and a virtual platform of the integrated circuit employable in an architecture exploration step 115. A modeling library of modules coded in high level languages and hardware level languages are provided and instantiated according to user input in a functional verification step 120 having a co-simulation environment, with interface code 170 between modules automatically generated by an interface generator 130 based on a two dimensional data array of hardware specification inputs 205, the interface code 170 further interfacing with wrappers engaged between high and hardware level language modules.
    Type: Application
    Filed: August 17, 2009
    Publication date: February 17, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Company Limited
    Inventors: Suet Fei LI, Yunzhao LU, Erik OLSSON, Ming Hua SHI
  • Publication number: 20110037051
    Abstract: The present invention provides a method of fabricating vertical LED structures in which the substrate used for epitaxial layer growth is removed through polishing. The polishing technique used in an exemplary embodiment is chemical mechanical polishing using polish stops to provide a sufficiently level plane. Polish stops are provided in the multilayer structure before polishing the surface, the hardness of the polish stop material being greater than the hardness of the material that needs to be removed. Consequently, vertical LEDs can be produced at a lower cost and higher yield compared to either laser lift-off or conventional polishing. Exemplary vertical LEDs are GaN LEDs. The polish stops may be removed by saw dicing, laser dicing or plasma etching.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 17, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Company Limited
    Inventors: Li Min Lin, Ka Wah Chan, Sheng Mei Zheng, Yong Cai
  • Patent number: 7889445
    Abstract: A lens actuation device for an optical system includes a housing, a carrier at least partially installed in the housing, and a plurality of transducers arranged around the carrier in the housing. All the transducers are coupled with the mount, and at least one transducer includes at least one magnet and at least one coil. At least one transducer includes at least one yoke. All the transducers when powered on may generate independent or consistent movement to cause the mount to make linear movement, rotation, or both relative to the housing. An optical system adopting the lens actuation device and a camera using the same are also presented. The device of the present invention uses the transducers to drive the carrier, such that the lens set is driven to make linear movement, rotation, or both, thereby achieving the flexible manipulation of the lens.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: February 15, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Hua Yang, Sio Kuan Lam, Kwok Sing Cheng, Kin Ming Fan, Wing Ming Fan
  • Publication number: 20110026149
    Abstract: The subject matter disclosed herein relates to an imaging device having a small form factor.
    Type: Application
    Filed: July 28, 2009
    Publication date: February 3, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Kin Ming Fan, Kai Cheong Kwan, Kwok Sing Cheng, Sio Kuan Lam
  • Patent number: 7879438
    Abstract: The subject matter disclosed herein relates to methods to reduce warpage of a substrate.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: February 1, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Jyh-Rong Lin, Bin Xie, Yeung Yeung, Xunqing Shi, Chang Hwa Chung
  • Patent number: 7881392
    Abstract: 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 deconvolution to construct the channel impulse response associated with a received signal. The first arriving path for the received signal may readily and reliably be determined using the channel impulse response information.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: February 1, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventor: Qiang Li
  • Publication number: 20110012788
    Abstract: An antenna system comprising a ground plane, an antenna element folded under itself and operable to transmit and receive circularly polarized signals, an air filled cavity disposed between the ground plane and the antenna element, and a radio frequency module in communication with the antenna element.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 20, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Corbett R. Rowell, Hau Wah Lai
  • Publication number: 20110013138
    Abstract: A vision treatment system comprises a computer and a user input output module associated with the computer, the user input output module including a display screen and means for receiving user input, wherein the computer includes a testing and training module for one or more vision disorders, the training and testing module in communication with the user input output module and testing a user's cutoff spatial frequency of a contrast sensitivity and applying a training regimen based upon Perceptual Template Model (PTM) analysis of interactions with the user.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 20, 2011
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Geng Li, Zhong-Lin Lu, Xiangrui Li, Chang-Bing Huang, Jia-Hong Gao, Yeung-Ming Chow
  • Publication number: 20100331690
    Abstract: An elastogram device comprises a driver controller including a wave generator, and an amplifier assembly receiving waves from the wave generator for driving an actuator, the amplifier assembly compatible with at least one pneumatic actuator, at least one hydraulic actuator, at least one piezoelectric actuator, and at least one electromechanical actuator, an elastogram processor receiving a wave image from an imaging source and generating an elastogram from the wave image, and a user input and output assembly including a display rendering the elastogram, a user interface providing a plurality of options for selection, the options including selectable parameters to control the wave generator and to generate the elastogram.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 30, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Geng Li, Ying Zheng, Edward S. Yang
  • Publication number: 20100328539
    Abstract: This invention relates to a method of reusing data in memory for motion estimation. Only additional data is required to prepare reference block so as to reduce the data transfer to the memory. The additional data will be arranged with the existing data in the memory to provide the reference block. Then the data in the memory is read in a specific way to retrieve the reference block. Using this invention, the bandwidth requirement and internal memory can be greatly reduced without any additional logic operation.
    Type: Application
    Filed: June 29, 2009
    Publication date: December 30, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Company Limited
    Inventors: Yan HUO, Lu WANG, Ka Man CHENG, Xiao ZHOU
  • Publication number: 20100329378
    Abstract: MIMO detection is described that reduces the complexity of computations for finding the soft bit output. The detection process includes QR factorization splitting the distance calculations into two groups, subset lookup using a last cross constellation set (LCCS) lookup, and minimal distance lookup with soft bit output calculation. By grouping the distance calculations into a first group that has one antenna transmitting using a modulation scheme with a generally square constellation diagram and a second group for all of the other antenna constellation diagrams, the LCCS lookup process may be used which substantially reduces the number of calculations to be made in the detection process. Moreover, in the special case of 2×2 antenna, QR factorization is performed by applying a scaled Givens rotation to the channel matrix. The application of the scaled Givens rotation operator eliminates any square root operations that would be performed in a standard QR factorization.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 30, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventor: Chris Leung
  • Publication number: 20100329341
    Abstract: Method and apparatus for providing a fast and accurate video coding process are disclosed. After checking the coding history of certain coded video frame units of a video, the order of the inter prediction and the intra prediction is adaptively exchanged for each coding video frame unit of an inter frame. Furthermore, the computations for coding modes in the latter part of the computation order are selectively skipped so as to speed up the coding process without degrading the video quality.
    Type: Application
    Filed: June 29, 2009
    Publication date: December 30, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Company Limited
    Inventors: Yan Ho KAM, Wan Chi SIU, Yui Lam CHAN, Wai Lam HUI, Wai Hong WONG, Ka Man CHENG, Yan HUO
  • Publication number: 20100328171
    Abstract: An antenna system comprises a ground plane, a flexible substrate, a first antenna element disposed upon the flexible substrate and proximal to the ground plane, the flexible substrate configured so as to be at least partially rolled, and a Radio Frequency (RF) module in communication with the first antenna element and transmitting and receiving radio waves through the first antenna element.
    Type: Application
    Filed: June 25, 2009
    Publication date: December 30, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Chi Lun Mak, Hau Wah Lai, Corbett R. Rowell
  • Patent number: 7860634
    Abstract: A method of determining the location information of a plurality of wheels mounted on a vehicle by obtaining a relationship between the lateral location of a wheel and the polarity of a transverse acceleration transmitted by an accelerometer of a wheel in response to a lateral turn of the vehicle in a direction of a lateral side of the vehicle and determining the lateral location of a wheel with reference to the polarity of the transverse acceleration signal transmitted by the accelerometer of the wheel upon the vehicle undergoing a lateral turn.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: December 28, 2010
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Kwan Wai Raymond To, Lap-Wai Lydia Leung, Ziyang Gao, Man Lung Ivan Sham, Chang Hwa Chung
  • Patent number: 7859883
    Abstract: A memory device includes a plurality of memory cells each including a recordable layer between two metal layers, the recordable layer including a first sub-cell and a second sub-cell. Each memory cell is constructed and designed to change from an as-deposited state to an initialized state upon application of an initialization signal, from the initialized state to a first inscribed state upon application of a first write signal, and from the initialized state to a second inscribed state upon application of a second write signal. The memory cell has a resistor-like current-voltage (I-V) characteristic when in the as-deposited state, a diode-like I-V characteristic when in the initialized state, and resistor-like I-V characteristics when in the first and second inscribed states for voltages within a predetermined range.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: December 28, 2010
    Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    Inventors: Geoffrey Wen-Tai Shuy, Hsin-Cheng Lai