Patents Assigned to Hong Kong Polytechnic University
  • Piezoresistive strain gauge using doped polymeric fluid
    Publication number: 20090007685
    Abstract: The present invention relates to a strain gauge and methods of making such wherein the gauge contains a doped polymeric fluid suitable for measuring elongations of more than 10%.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Ching Hsiang Cheng, Chen Chao, Yin Nee Cheung
  • Method of industrially producing yarn at a lower twist multiplier for textile products
    Publication number: 20090007538
    Abstract: The present invention relates to a machine, a system, and textiles resulting from an industrially produced yarn, created through the incorporation of a linear false twisting device and two lappets positioned to affect a yarn during drafting. The invention results in a yarn having a low twist multiplier. The textiles products created from the produced yarn exhibit a soft feel without requiring the use of chemical treatments.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicants: The Hong Kong Polytechnic University
    Inventors: Chi Ping Cheng, Allan Ki Luk Chick, Xiao-ming Tao
  • Double-glazed windows wth inherent noise attenuation
    Publication number: 20090008185
    Abstract: The present invention relates to a noise attenuating window comprised of two panes of glass separated by a spacer tube. The spacer tube contains T-shaped acoustic resonator capable of targeting a single mode or multiple-mode to be attenuated.
    Type: Application
    Filed: September 10, 2007
    Publication date: January 8, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Li Cheng, Deyu Li, Ganghua Yu
  • Hygienic Rubbish Bin
    Publication number: 20090008402
    Abstract: The present invention relates to a hygienic rubbish capable of killing harmful bacteria and expelling odors that may result from rubbish. The hygienic bin accomplishes this by including as components an ultraviolet light and exhaust system.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Alan Kin-tak Lau, Kwan Sing Chan, Chi Pang Leung, Ching Man Yu
  • Ultraviolet detector
    Patent number: 7470940
    Abstract: An UV detector, comprising: a sapphire substrate; a high temperature AlN buffer layer grown on the sapphire substrate; an intermediate temperature GaN buffer layer grown on the high temperature AlN buffer layer; a GaN epitaxial layer deposited on the intermediate temperature GaN buffer layer; a Schottky junction formed on top of the GaN epitaxial layer; and a plurality of ohmic contacts also formed on top of the GaN epitaxial layer, wherein, the high temperature AlN buffer layer and the intermediate temperature GaN buffer layer together form a double buffer layer structure so as to improve the reliability and radiation hardness of the UV detector; and wherein the high temperature AlN buffer layer and the intermediate temperature GaN buffer layer are formed by RF-plasma enhanced MBE growth technology.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: December 30, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Charles Surya, Patrick Wai-Keung Fong
  • Method of extracting qualitative and quantitative information from mixtures
    Publication number: 20080319681
    Abstract: The present invention relates to methods for extracting qualitative and quantitative information from natural ingredient mixtures, utilizing two or more data sets and newly developed chemometric method known as improved alternative moving window factor analysis (IAMWFA).
    Type: Application
    Filed: June 25, 2007
    Publication date: December 25, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventor: Foo-tim Chau
  • Square-wave modulated voltage dip restorer
    Publication number: 20080315684
    Abstract: The present invention relates a dynamic voltage restorer (DVR) system and methods for addressing voltage dips. The instant DVR incorporates high frequency technology, such as a high frequency transformer, to generate a square wave voltage from a storage device, such square wave being modulated prior to being delivered to a load. The generation of the square wave and modulation thereto creates a voltage that reacts fast to voltage dips, while addressing wide ranging harmonics usually present in square waves.
    Type: Application
    Filed: June 25, 2007
    Publication date: December 25, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Eric Ka Wai Cheng, Siu Lau Ho, Kit Po Wong
  • Spine tilt monitor with biofeedback
    Publication number: 20080319351
    Abstract: The present invention relates to a system and method for continually monitoring the spine of a user via device containing electromechanical transducer, processor, delay, transmitter, and a feedback component. Through the device and method of employing, the user will be able to learn and sustain a proper posture, thereby avoiding future back pain.
    Type: Application
    Filed: June 20, 2008
    Publication date: December 25, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Daniel Hung Kay Chow, Malcolm H. Pope
  • SPINE TILT MONITOR WITH BIOFEEDBACK
    Publication number: 20080319352
    Abstract: The present invention relates to a system and method for continually monitoring the spine of a user via device containing electromechanical transducer, processor, delay, transmitter, and a feedback component. Through the device and method of employing, the user will be able to learn and sustain a proper posture, thereby avoiding future back pain.
    Type: Application
    Filed: June 25, 2007
    Publication date: December 25, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Daniel Hung Kay Chow, Malcolm H. Pope
  • Method for analyzing a palm print for the identification of an individual using gabor analysis
    Patent number: 7466846
    Abstract: A method of palmprint identification includes obtaining an image of a portion of an inner surface of a hand of an individual. A sub-image of skin surface within a defined area of the inner surface of the hand of obtained from the image. The sub-image is analyzed to obtain texture data for the skin surface with the defined area. The texture data is compared to reference information in a database.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: December 16, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Zhang Dapeng David, Kong Wai-kin Adams
  • Photonic fabric display with controlled pattern, color, luminescence intensity, scattering intensity and light self-amplification
    Patent number: 7466896
    Abstract: A method of making a photonic fabric display includes wrapping photonic fibers with a yarn, weaving the wrapped photonic fibers to form a fabric, printing a pattern on the fabric, surface treating the fabric, and coupling the photonic fibers with a light source to form a photonic fabric display.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: December 16, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Xiaoming Tao, Xiaoyin Cheng, Jianming Yu, Lijie Liu, Wang-wah Wong, Wing-kwong Tam
  • Driver for an ultrasonic transducer and an ultrasonic transducer
    Patent number: 7462960
    Abstract: An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic drive field and a magnetic circuit for channelling the magnetic fields in the magnetostrictive element. An ultrasonic transducer for a bonding apparatus has a horn having a bonding tool at its smaller end and a mounting barrel adjoined onto it. The driver coupled to the larger end of the horn.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: December 9, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Siu Wing Or, Chung Sheung Yung, Helen Lai Wa Chan-Wong
  • Mounting mechanism for removable bollard
    Publication number: 20080296462
    Abstract: The present invention provides a mounting mechanism for a removable bollard, which has high flexibility and convenience for the removal and reinstallation of the bollard and the socket for inserting the bollard can be covered without having additional devices after the removal of the bollard.
    Type: Application
    Filed: June 4, 2007
    Publication date: December 4, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventor: Kin Wai Michael Siu
  • INFILL FOR BOLLARD FOOTING HOLE
    Publication number: 20080295409
    Abstract: The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought.
    Type: Application
    Filed: June 4, 2007
    Publication date: December 4, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventor: Kin Wai Michael Siu
  • Spine tilt monitor with biofeedback
    Patent number: 7458943
    Abstract: The present invention relates to a system and method for continually monitoring the spine of a user via device containing electromechanical transducer, processor, delay, transmitter, and a feedback component. Through the device and method of employing, the user will be able to learn and sustain a proper posture, thereby avoiding future back pain.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: December 2, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Daniel Hung Kay Chow, Malcolm H Pope
  • Multiple joint linkage device
    Publication number: 20080293551
    Abstract: The present invention relates to devices and methods for a joint linkage device suitable for training multi-joints in a single limb. The joint linkage device is capable of rotation at a proximal end and a distal end. The device includes a proximal end having an upper plate, a middle plate, and a lower plate, a distal plate, a side bar, a main bar, a switch mechanism, and an extended bar. In use, a torque from a motor is applied to the upper plate to provide a user with an assistance torque, a resistance torque, or a assistance/resistance torque.
    Type: Application
    Filed: May 22, 2007
    Publication date: November 27, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Kai Yu Tong, Rong Song, Chiu Hoi Lam, Wai Man Tam, Kwok Kuen Kwong, Tak Chi Lee, Man Kit Peter Pang, King Lun Kwok, Mau Wah Chan, Woon Fong Wallace Leung
  • Robotic training system with multi-orientation module
    Publication number: 20080294074
    Abstract: The present invention relates a system and method to allow users to train different joints of a limb in different planes. The rotation of the system can be driven by a motor to assist or resist the motion for training purpose. By the present invention, the user can use the device to switch training between the vertical and horizontal planes, without changing the device and any module. The system is also adjustable to meet different users' body sizes.
    Type: Application
    Filed: May 22, 2007
    Publication date: November 27, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Kai Yu Tong, Rong Song, Chiu Hoi Lam, Wai Man Tam, Shu To Ng, Tak Chi Lee, Man Kit Peter Pang, King Lun Kwok, Yin Bonn Philip Tsui, Woon Fong Wallace Leung
  • Multifunction Finishing Liquids Containing Dendrimers and the Application of the Liquids in Textile Finishing
    Publication number: 20080282480
    Abstract: A finishing liquid which containing as least one kind of dendrimer molecules with terminal groups of —NH2, —OH, —COOH, —COOR, —R, —Si—O—R, PAMAM-OS, —R-halogen etc, or with groups which can be modified to achieve the above groups was invented. Employing sol-gel or solution method, the finished textiles obtain part of the following multifunction: breathable, water proof, oil repellency, soil repellency, anti-static, anti-UV irradiation, anti-bacterial, dying acceleration, and slowly release of drug and perfume.
    Type: Application
    Filed: May 15, 2007
    Publication date: November 20, 2008
    Applicant: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Jinlian Hu, Kangming Nie, Qinghao Meng, Guanghong Zheng
  • Fiber optic transducer for simultaneous pressure and temperature measurement in fluid flow
    Publication number: 20080285908
    Abstract: The present invention relates a fiber optic transducer (FOT) and methods for measuring the pressure and temperature of a flowing fluid using such FOT, wherein such FOT contains a fiber optic having fiber Bragg gratings. The fiber Bragg gratings are measured during a flowing fluid to determine the difference in the change in wavelength exhibited by a reflected optical signal from the gratings.
    Type: Application
    Filed: May 14, 2007
    Publication date: November 20, 2008
    Applicant: The Hong Kong Polytechnic University
    Inventors: Hang-yin Ling, Yong-ping Zheng, Kin-tak Lau, Pou-man Lam
  • Infill for bollard footing hole
    Patent number: 7452158
    Abstract: The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: November 18, 2008
    Assignee: Hong Kong Polytechnic University, The
    Inventor: Kin Wai Michael Siu