Chow, HK
Albert Hee Lum Chow, Ma On Shan HK
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20130122058 | ENGINEERING OF POLYMER-STABILIZED NANOPARTICLES FOR DRUGS WITH LOG P VALUES BELOW 6 BY CONTROLLED ANTISOLVENT PRECIPITATION - The present invention provides organic nanoparticles that include a molecule having a Log P value of about 3 or above, an amphiphilic diblock copolymer or a surfactant, and a pharmaceutically-acceptable hydrophilic polymer. The present invention also provides methods of making these nanoparticles, e.g., by flash nanoprecipitation, with control over particle size and surface properties. The methods of the present invention provide a means for co-precipitating a water-insoluble compound with an amphiphilic stabilizer within a few milliseconds. The nanoparticles of the present invention exhibit high drug loading, e.g., 50% w/w, and can be produced with a mean particle size less than 200 nm and with a narrow particle size distribution. | 05-16-2013 |
Andy Lok-Fung Chow, Tseung Kwan O HK
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20140178572 | FORMALDEHYDE FREE ELECTROLESS COPPER PLATING COMPOSITIONS AND METHODS - The copper electroless baths are formaldehyde free and are environmentally friendly. The electroless copper baths include one or more sulfinate compounds as reducing agents to replace formaldehyde. The electroless baths are stable and deposit a bright copper on substrates. | 06-26-2014 |
Cheuk-Fai Chow, Ma Wan HK
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20110306140 | Molecular Heterobimetallic Chemodosimetric Sensor for the Detection of Biogenic Amines - The invention relates to using heterobimetallic coordination polymers and their uses as chemodosimeters for sensing materials for the screening of specific biogenic amines. | 12-15-2011 |
Chi-Wai Chow, Fanling HK
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20100226653 | CIRCUIT FOR SWITCHING SIGNAL PATH, ANTENNA MODULE AND RADIO OVER FIBER SYSTEM - A circuit for switching a signal path includes a path selection element, a detector, a switch, and a control circuit. A first end and a third end of the path selection element are coupled to the detector and the switch, respectively. The switch is normally in a conductive status for outputting an upload signal through the path selection element and the switch when the upload signal is input from a second end of the path selection element. When a download signal is transmitted to the detector, the detector transmits the download signal to the path selection element and enables a detection signal. The control circuit switches the switch status to an open-circuit status for outputting the download signal isolated by the switch from the second end of the path selection element. Until the download signal is transmitted completely, the control circuit switches the switch status to the conductive status. | 09-09-2010 |
20110026932 | Head-End Circuit and Remote Antenna Unit and Hybrid Wired/Wireless Network System and Transceiving Method Using Thereof - A head-end circuit comprises first and second continuous light sources, first and second modulators. The first and the second continuous light sources provide first and second optical signals respectively corresponding to first wavelength and second wavelength, which is different from the first wavelength. The first modulator modulates the first optical signal based on first clock signal to generate an optical clock signal. The second modulator modulates the second optical signal based on downlink data to generate optical downlink data with the carrier of the second optical signal. The optical clock signal and the optical down link data are outputted to a remote antenna unit via first fiber path. | 02-03-2011 |
20110110667 | OPTICAL NETWORK AND OPTICAL SIGNAL MODULATION METHOD THEREOF - An optical network and an optical signal modulation method thereof are provided. The optical network includes an optical fiber and a remote node (RN). The RN receives a continuous carrier wave from the optical fiber and modulates the continuous carrier wave to generate a first frequency offset carrier wave The frequency of the first frequency offset carrier wave is different from that of the continuous carrier wave. A first user device re-modulates and loads data to the first frequency offset carrier wave to generate a first upstream signal. The frequency of the first upstream signal is the same as that of the first frequency offset carrier wave. The RN inputs the first upstream signal into the optical fiber. | 05-12-2011 |
20140255031 | INTEGRATED PASSIVE OPTICAL NETWORK (PON) SYSTEM - An integrated passive optical network system is disclosed. The system comprises an optical distribution network (ODN), a time-division multiplexing (TDM)-optical line terminal (OLT), a wavelength-division multiplexing (WDM)-optical line terminal (OLT), a plurality of time-division multiplexing (TDM)-optical network units (ONUs), and at least one wavelength-division multiplexing (WDM)-optical network unit (ONU) comprising a first filter. The TDM-OLT and the WDM-OLT respectively transmit a first optical signal carrying a first downstream signal and a second optical signal carrying a second downstream signal to the ONUs through the ODN, and wavelengths of the second optical signal and the first optical signal are different. The TDM-ONUs respectively retrieve the first downstream signal The WDM-ONU uses the first filter to retrieve the second downstream signal. | 09-11-2014 |
20150188630 | TRANSMITTING APPARATUS AND RECEIVING APPARATUS FOR VISIBLE LIGHT COMMUNICATION, AND VISIBLE LIGHT COMMUNICATION SYSTEM - A transmitting apparatus and a receiving apparatus for visible light communication, and a visible light communication system are provided. The visible light communication system includes a transmitting apparatus and a receiving apparatus. The transmitting apparatus includes two transmitting modules. The transmitting modules include a plurality of visible light sources and a transmitting polarization plate. Polarizations of the two transmitting polarization plates are orthogonal to each other. The receiving apparatus includes two receiving modules. The receiving modules include a plurality of light detecting diodes and a receiving polarization plate. Polarizations of the paired receiving polarization plate and transmitting polarization plate are the same. | 07-02-2015 |
Chi-Wai Chow, Regentvilie HK
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20150304030 | VISIBLE LIGHT COMMUNICATION METHOD - A visible light communication method. Firstly, a plurality of binary logic streams is sequentially received and a serial-to-parallel conversion is performed on them to obtain a plurality of binary signal sets corresponding to each binary logic stream. Then, all the binary signal sets are respectively mapped to obtain the first OFDM symbols in frequency domain. The first OFDM symbols are respectively transformed into the second OFDM symbols in time domain. Then, a parallel-to-serial conversion is performed on the second OFDM symbols. Adequate cyclic prefix is added in each of the second OFDM symbols. Next, the relative intensity of each of the second OFDM symbols is regulated, and then a digital-to-analog conversion is performed on the second OFDM symbols to obtain analog electrical signals. Finally, visible lights respectively corresponding to the analog electrical signals are generated. | 10-22-2015 |
Chi-Wai Chow, Fanling Nt. HK
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20140369690 | WAVELENGTH-DIVISION MULTIPLEXING (WDM) OPTICAL FIBER NETWORK SYSTEM - A wavelength-division multiplexing (WDM) optical fiber network system is disclosed, which comprises a signal provider generating at least one set of wavelength signals of a plurality of different wavelengths and coupled to a plurality of modulation modules. The modulation modules respectively coupled to a user receiver. The modulation module comprises a control unit generating a random sequence and a control signal corresponding to the random sequence, and transmitting the control signal to a first modulation unit. The control unit is coupled to the signal provider to receive the wavelength signals and controls the first modulation to retrieve a wavelength signal according to the control signal. The control unit rapidly changes the control signal according to the random sequence whereby the first modulation unit rapidly retrieves the wavelength signals of different wavelengths and transmits them to the user receiver, so as to prevent a specific wavelength from attack. | 12-18-2014 |
Chun Tak Chow, Shatin, N.t. HK
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20090015337 | DEVICE AND METHOD FOR BIASING A TRANSISTOR AMPLIFIER - A device for use in biasing a transistor amplifier with a DC-voltage signal, the transistor amplifier including: | 01-15-2009 |
Guy Y. K. Chow, Shatin HK
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20090172544 | INTERACTIVE MEDIA GUIDANCE APPLICATION WITH ACCESS TO MULTIPLE DATA SETS - Systems and methods for an interactive media guidance application with access to multiple data sets are provided. One of the data sets may be selected to generate a media guidance application display screen. A data set may be selected based on the data source or data path from which the data set was received. A data set may also be selected based on a quality measure value associated with the data set. Portions of two or more data sets may also be merged to form a combined data set. | 07-02-2009 |
20090172736 | INTERACTIVE MEDIA GUIDANCE APPLICATION WITH ACCESS TO MULTIPLE DATA PATHS - Systems and methods for an interactive media guidance application with access to multiple data sets are provided. One of the data sets may be selected to generate a media guidance application display screen. A data set may be selected based on the data source or data path from which the data set was received. A data set may also be selected based on a quality measure value associated with the data set. Portions of two or more data sets may also be merged to form a combined data set. | 07-02-2009 |
Ka Wang Chow, New Territory HK
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20130174319 | HANDPAD FOR TOUCHSCREEN OF AN ELECTRIC DEVICE - A hand pad for use with a touch screen of an electronic device comprising a pad body and a finger holder mounted on a surface of the pad body, such that the pad body could follow a pen holding hand to move on the touch screen through the finger holder. The surface of the hand pad in contact with the touch screen is configured to enable a smooth motion of the hand pad over the touch screen. | 07-11-2013 |
Kenny W. Y. Chow, North Point HK
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20100309295 | 3D VIDEO PROCESSOR INTEGRATED WITH HEAD MOUNTED DISPLAY - A 3-D stereo video device that includes a headset housing that incorporates a 3-D video processor chip, video display driver circuitry, micro-displays and optics such that the only required external component is a joystick or other user input device. By utilizing a direct digital video interface between the video processor chip and the video driver chip, the need for video signal encoder/decoders, digital to analog converters, video up-converters and other similar complicated circuitry to handle remotely generated analog video signals are eliminated. The design not only saves cost but also allows for a higher resolution, higher frame-rate video presentations than previous designs. | 12-09-2010 |
King Wai Chow, New Territories HK
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20090092093 | Handoff of dual mode mobile device between an IP network and a PLMN - A device and a method for handoff of a VoIP internet telephone call from an IP network to a cellular network and for hand-back of the call to the IP network, in which during or after hand-off of the call an identifier of the hand-off call is obtained and stored and the identifier is used during hand-back of the call to the IP network. | 04-09-2009 |
Kwok Wai Chow, Sheung Shui HK
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20110049128 | Heating Pad With Temperature Control And Safety Protection Device - A heating pad is provided. The heating pad includes a heating element and a control circuit operatively connected to the heating element for providing a predetermined level of power thereto. An isolation device interconnects a power source to the control circuit. The isolation device has a first open configuration preventing transmission of electrical power therethrough and a second closed configuration allowing transmission of electrical power therethrough. The control circuit terminates power to the heating element in response to the heating element exceeding a first temperature limit. The isolation device moves from the closed configuration to the open configuration in response to the heating element exceeding a second temperature limit. | 03-03-2011 |
Kwong Lam Thomas Chow, Kwun Tong HK
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20110039049 | MOLDED FOAMED ARTICLES AND METHOD OF MAKING SAME - A molded foam article ( | 02-17-2011 |
Larry Ming-Cheung Chow, Hung Hom HK
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20120232135 | (-)-Epigallocatechin Gallate Derivatives for Inhibiting Proteasome - A method of reducing tumor cell growth, the method including administering an effective amount of a compound having the formula: | 09-13-2012 |
20140213802 | (-)-Epigallocatechin Gallate Derivatives for Inhibiting Proteasome - A method of reducing tumor cell growth, the method including administering an effective amount of a compound having the formula: | 07-31-2014 |
20150239870 | SYNTHESIS AND USE OF AMINE-CONTAINING FLAVONOIDS AS POTENT ANTI-LEISHMANIAL AGENTS - The present invention relates to novel series of amine-containing flavonoids and compositions containing the compounds, as well as the synthesis and the use of the same. The invention also relates to methods of treatment and prevention of diseases, in particular, parasitic infections including Leishmaniasis, comprising administration of the compounds. | 08-27-2015 |
20160068503 | (-)-EPIGALLOCATECHIN GALLATE DERIVATIVES FOR INHIBITING PROTEASOME - A method of reducing tumor cell growth, the method including administering an effective amount of a compound having the formula: | 03-10-2016 |
Man Kit Chow, Kwai Chung HK
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20160086830 | DIE BONDING TOOL AND SYSTEM - Disclosed is a die bonding tool comprising: a rigid body; and a collet having a die-holding portion; wherein the collet is mechanically coupled to the rigid body by a flexible element which is configured to angularly deflect relative to the rigid body on application of a torque to the collet and/or to a die held by the collet. Also disclosed is a die bonding system comprising the die bonding tool, and an adhesive dispenser for a die bonding system. | 03-24-2016 |
Shing Fung Chow, Yuen Long HK
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20130122058 | ENGINEERING OF POLYMER-STABILIZED NANOPARTICLES FOR DRUGS WITH LOG P VALUES BELOW 6 BY CONTROLLED ANTISOLVENT PRECIPITATION - The present invention provides organic nanoparticles that include a molecule having a Log P value of about 3 or above, an amphiphilic diblock copolymer or a surfactant, and a pharmaceutically-acceptable hydrophilic polymer. The present invention also provides methods of making these nanoparticles, e.g., by flash nanoprecipitation, with control over particle size and surface properties. The methods of the present invention provide a means for co-precipitating a water-insoluble compound with an amphiphilic stabilizer within a few milliseconds. The nanoparticles of the present invention exhibit high drug loading, e.g., 50% w/w, and can be produced with a mean particle size less than 200 nm and with a narrow particle size distribution. | 05-16-2013 |
Yeung Ming Chow, Tai Po, N.t. HK
Yeung-Ming Chow, Tai Po HK
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20110013138 | Vision Treatment Procedures and Devices - 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. | 01-20-2011 |
20120069296 | Systems and Methods for Binocular Vision Diagnosis and Treatment - A device for at least one of diagnosis and treatment of binocular vision disorders is disclosed. The device comprises a portable, wearable viewing apparatus that includes a left eye electronic display and a right eye electronic display, a dual data channel input, wherein each data channel corresponds to a respective one of the left eye and right eye electronic displays, a left eye adjustable optic structure adjusting a view of the left eye electronic display, and a right eye adjustable optic structure adjusting a view of the right eye electronic display. The device also includes a controller in communication with the dual data channel input that renders a first image at the left eye electronic display and a second image at the right eye electronic display simultaneously, in which the first and second images are different, and a memory in communication with the controller configured to store at least one of a diagnosis image pattern and a treatment image pattern for said binocular vision disorders for display by the viewing apparatus. | 03-22-2012 |
Zeno Fook Chuen Chow, Yuen Long HK
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20130132239 | System And Method For Integrating Trading Operations Including The Generation, Processing And Tracking of Trade Documents - First and second components of the present invention, in combination, provide a customer interface for initiating a trade transaction and provides for the secure viewing of the status of the transaction. A third component assists in the automatic generation and verification of the voluminous and detailed documents required to support a trade transaction. The third component additionally tracks and assists in the management of the seller's manufacturing and shipment of the goods that form the basis of the trade transaction. A fourth component automatically generates a Letter of Credit from a Purchase Order and performs a reconciliation function on payments made pursuant to Letters of Credit or open Accounts. | 05-23-2013 |
Zeno Fook Chuen Chow, Yuen Long, N.t. HK
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20130246245 | System And Method For Integrating Trading Operations Including The Generation, Processing And Tracking of Trade Documents - First and second components of the present invention, in combination, provide a customer interface for initiating a trade transaction and provides for the secure viewing of the status of the transaction. A third component assists in the automatic generation and verification of the voluminous and detailed documents required to support a trade transaction. The third component additionally tracks and assists in the management of the seller's manufacturing and shipment of the goods that form the basis of the trade transaction. A fourth component automatically generates a Letter of Credit from a Purchase Order and performs a reconciliation function on payments made pursuant to Letters of Credit or open Accounts. | 09-19-2013 |