Chan, Hong Kong
Agnes Sui-Yin Chan, Hong Kong CN
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20110123639 | Compound for improving brain functioning and/or treatment of brain disorders - This invention involves a compound that is used for improving brain functioning and/or treatment of brain disorders, made from the following raw materials: (1) one or more medicinal herbs from borax, radix isatidis, honeysuckle, | 05-26-2011 |
Alain Chan, Hong Kong HK
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20090170268 | PROCESS FOR FABRICATING A SEMICONDUCTOR DEVICE HAVING EMBEDDED EPITAXIAL REGIONS - A process for fabricating a semiconductor device, such as a strained-channel transistor, includes forming epitaxial regions in a substrate in proximity to a gate electrode in which the surface profile of the epitaxial regions is defined by masking sidewall spacers adjacent the gate electrode. The epitaxial regions are formed by depositing an epitaxial material into cavities selectively etched into the semiconductor substrate on either side of the gate electrode. The masking sidewall spacers limit the thickness of the epitaxial deposited material in proximity of the gate electrode, such that the upper surface of the epitaxial material is substantially the same as the principal surface of the semiconductor substrate. Doped regions are formed in the channel region beneath the gate electrode using an angled ion beam, such that doping profiles of the implanted regions are substantially unaffected by surface irregularities in the epitaxially-deposited material. | 07-02-2009 |
Alex Chi Keung Chan, Hong Kong CN
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20110248293 | SURFACE MOUNT DEVICE THIN PACKAGE - The present invention is directed to LED packages and LED displays utilizing thin/low profile LED packages with improved structural integrity, emission characteristics, and customizable attributes. In some embodiments the improved structural integrity is provided by various features in the lead frame that cooperate with the casing for a stronger package. Moreover, in some embodiments the improved emission characteristics are provided by cavity features such as shape and depth, which provide for increased surface bonding area for multiple LED chips and increased viewing angle, respectively. Some embodiments also provide for gradated packages having customizable top portions for applications using smaller packages, with bottom portions comprising dimensions compatible with customary mechanical/electrical supports. | 10-13-2011 |
20120025227 | WATER RESISTANT SURFACE MOUNT DEVICE PACKAGE - The present invention is directed to LED packages and LED displays utilizing water resistant packages with improved structural integrity and customizable attributes. In some embodiments, the improved structural integrity is provided by various features in the lead frame that the casing material encompasses to improve the adhesion between the lead frame and the casing for a stronger, water resistant package. Moreover, in some embodiments the improved structural integrity and water resistance is further provided by cavity features that improve adhesion between the cavity and a protective encapsulant. Some embodiments also provide for packages with a greater overall height than the length of their side-exposed solder pins, which improves gel coverage of the side-exposed solder pins between adjacent packages. | 02-02-2012 |
Chesta Chan, Hong Kong HK
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20100242166 | Exposed Shower System - A shower system of exposed type is disclosed, comprising a main flow passage connected to a water supply; at least two conduits which are in communication with the main flow passage and connected in pair and horizontally to two sides of the main flow passage; at least two shower spray spouts in communication with the at least two conduits, and the shower spray spouts being carried at respective outer ends of the conduits; wherein the conduits are arranged such that the shower spray spouts are in a 180° counter sit relationship with respect to the main flow passage and are combined with the conduits to define a shower stall. | 09-30-2010 |
Chi Fat Chan, Hong Kong HK
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20120032718 | Digital Phase Lock System with Dithering Pulse-Width-Modulation Controller - A Digital Phase-Locked Loop (DPLL) has a digitally-controlled oscillator (DCO) that generates an output clock frequency determined by a digital input with most-significant-bits (MSB's) and a least-significant-bit (LSB). The LSB is generated by a Pulse-Width-Modulation (PWM) controller clocked by a control clock that is the output clock divided by C. A reference clock is compared to a feedback clock that is the output clock divided by M. The PWM controller generates M/C LSB's for each reference clock period and loads them in parallel to a parallel-to-serial shift register that serially delivers the LSBs. The pulse width is determined by a fine digital loop filter that filters phase comparison results using a fine time resolution. A coarse digital loop filter generates the MSB's from phase comparison results using a coarse time resolution. LSB waveforms are dithered by randomly selecting high-going or low-going pulses and randomly adjusting pulse widths. | 02-09-2012 |
20140028395 | Op-Amp Sharing by Swapping Trans-Conductance Cells - A two-stage op amp has a transconductance cell in a second stage modified to match a transconductance cell in a first stage. A transconductance swap network is inserted between transconductance cells and trans-impedance cells, such as current-steering networks, current mirrors, or drivers connected to the transconductance cells. The transconductance swap network directly connects the first transconductance cell to the first stage trans-impedance cell during a second clock phase, but crosses-over the first transconductance cell to the second-stage trans-impedance cell during a first clock phase. A first switched-capacitor network drives the gates of differential transistors in the first transconductance cell by alternately sampling an input and feedback, and equalizing to reset inputs. A second first switched-capacitor network drives differential transistors in the second transconductance cell, but during opposite clock phases. Two independent inputs are sampled by the switched-capacitor networks and alternately amplified by swapping connections within the shared op amp. | 01-30-2014 |
Chi-Fat Chan, Hong Kong CN
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20110156871 | FREQUENCY CALIBRATING - Disclosed are a device and a method for calibrating a frequency of a transponder applicable to an RFID system. The device may comprises: a pulse generating unit configured to generate a sequence of pulses based on a PIE symbol sequence from an interrogator of the RFID system; a counting unit configured to count clock cycles of a clock signal based on the generated pulses, wherein the transponder operates based on the clock signal; and a calibrating unit configured to calibrate a frequency of the clock signal towards a target frequency based on a comparison of the counted number of clock cycles with a reference number associated with the target frequency. | 06-30-2011 |
Chi Hang Chan, Hong Kong HK
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20110212181 | COMPOSITIONS AND METHODS FOR TREATING CHRONIC RESPIRATORY INFLAMMATION - Neutrophil elastase (NE) is a protease secreted by neutrophils during inflammation. Aberrant expression of NE such as in chronic respiratory inflammatory diseases, results in tissue destruction and decline in lung function. Compositions including an NE-targeting agent that targets the pathologic elements of respiratory inflammation are provided. Non-anticoagulant heparin derivatives or fragments are exemplary NE-targeting agents. The compositions preferably include a carrier, such as chitosan, to facilitate delivery of the active agent. Methods of manufacturing non-anticoagulant heparin are also provided. Methods of administering the disclosed compositions to treat respiratory diseases are also disclosed. In preferred methods, an effective amount of the pharmaceutical composition is administered to subject in need thereof to reduce, inhibit, or alleviate one or more symptoms of chronic respiratory inflammation. In the most preferred embodiment, the composition is administered as a dry powder, intranasally or by inhalation. | 09-01-2011 |
Chi-Hong Chan, Hong Kong HK
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20120025356 | SEMICONDUCTOR DEVICE PACKAGES HAVING ELECTROMAGNETIC INTERFERENCE SHIELDING AND RELATED METHODS - The semiconductor device package includes a conformal shield layer applied to the exterior surface of the encapsulant. and an internal fence or separation structure embedded in the encapsulant. The fence separates the package into various compartments. with each compartment containing at least one die. The fence thus suppresses EMI between adjacent packages. The package further includes a ground path connected to the internal fence and conformal shield. | 02-02-2012 |
20120062439 | SEMICONDUCTOR PACKAGE INTEGRATED WITH CONFORMAL SHIELD AND ANTENNA - A semiconductor package integrated with conformal shield and antenna is provided. The semiconductor package includes a semiconductor element, an electromagnetic interference shielding element, a dielectric structure, an antenna element and an antenna signal feeding element. The electromagnetic interference shielding element includes an electromagnetic interference shielding film and a grounding element, wherein the electromagnetic interference shielding film covers the semiconductor element and the grounding element is electrically connected to the electromagnetic interference shielding layer and a grounding segment of the semiconductor element. The dielectric structure covers a part of the electromagnetic interference shielding element and has an upper surface. The antenna element is formed adjacent to the upper surface of the dielectric structure. The antenna signal feeding element passing through the dielectric structure electrically connects the antenna element and the semiconductor element. | 03-15-2012 |
20140028395 | Op-Amp Sharing by Swapping Trans-Conductance Cells - A two-stage op amp has a transconductance cell in a second stage modified to match a transconductance cell in a first stage. A transconductance swap network is inserted between transconductance cells and trans-impedance cells, such as current-steering networks, current mirrors, or drivers connected to the transconductance cells. The transconductance swap network directly connects the first transconductance cell to the first stage trans-impedance cell during a second clock phase, but crosses-over the first transconductance cell to the second-stage trans-impedance cell during a first clock phase. A first switched-capacitor network drives the gates of differential transistors in the first transconductance cell by alternately sampling an input and feedback, and equalizing to reset inputs. A second first switched-capacitor network drives differential transistors in the second transconductance cell, but during opposite clock phases. Two independent inputs are sampled by the switched-capacitor networks and alternately amplified by swapping connections within the shared op amp. | 01-30-2014 |
Chi Hou Chan, Hong Kong HK
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20090051614 | FOLDED DIPOLE ANTENNA - A folded dipole antenna that transmits and receives radio frequency waves (RF) waves has two radiating strips that form a dipole. A metallic radiating element is located between the two radiating strips, facilitating an increase in the gain of the antenna. The folded dipole antenna may be used in a wireless communication device. | 02-26-2009 |
20090146740 | Average power efficiency enhancement and linearity improvement of microwave power amplifiers - A biasing circuit is used to provide low distortion and high efficiency operation of a microwave power amplifier. The biasing circuit utilizes the nonlinear rectified current of a microwave diode or transistor for biasing the amplifying transistor self-adaptively. The biasing current not only reduces the DC bias power during low-power operation and increases self-adaptively during high-power operation, but also manipulates the intermodulation distortion minimum dynamically. Meanwhile, the biasing circuit distorts the input signals with positive gain and negative phase deviations. Therefore, the average power efficiency of the operation is enhanced, the linearity of the input-output characteristic is improved and the radiated level of adjacent channel power is suppressed. | 06-11-2009 |
20140071006 | High Gain And Wideband Complementary Antenna - An antenna is disclosed as including at least one dipole connected with at least one shorted patch antenna, and at least two feeding sources. | 03-13-2014 |
Chi Ming Antonio Chan, Hong Kong CN
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20110271952 | SYSTEM FOR RECLAIMING SOLAR ENERGY IN BUILDINGS - The invention relates to a system for reclaiming solar energy in buildings, comprising a fluid inlet header pipe, a fluid outlet header pipe and a plurality of heat collector panels connected to the two pipes at ends thereof respectively. Fluid with a lower temperature from the fluid inlet header pipe enters into the heat collector panels, where it is heated to a higher temperature by the solar energy stored therein, and then discharges from the system via the fluid outlet header pipe for energy reuse. The heat collector panels are mounted on the inner surface of the cladding panels of the building, so that the outer appearance of the building will not be negatively influenced by the system. | 11-10-2011 |
Chiu Lun Chan, Hong Kong HK
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20090189269 | Electronic Circuit Package - A electronic circuit package having a flexible substrate with metals layers on one or more of its surfaces forming a wiring pattern and/or surface mount bonding pads. Passive electronic components are integrated onto component packages that are mounted to the flexible substrate and electrically connected with the wiring pattern or bonding pad. An active electronic device is mounted on the flexible substrate or bonding pad. | 07-30-2009 |
Choi Wan Chan, Hong Kong HK
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20090230648 | FOLDABLE SCOOTER - A foldable scooter includes a footboard, a steering column and a connecting member in between. The connecting member includes an elongated housing with an upper covering surface and two mounting seats at the rear portion, a pushing member pivotally disposed between said mounting seats, a lever pivotally connected to the rear portion of the housing for moving the pushing member. The lever is shielded substantially by the housing under the upper covering surface. The connecting member further includes a positioning member connected to a biasing device disposed at the front end of the footboard for biasing the positioning member against the mounting seats. | 09-17-2009 |
20090278327 | Foldable Scooter - A foldable scooter includes a footboard, a steering column and a connecting member in between. The connecting member includes a stopper for engaging the connecting member with the notches disposed at a front portion of the footboard in the open condition. The connecting member also includes a rotatable locking member having a first biasing device for biasing the locking member against the connecting member in the open and folded conditions, an actuating end, a first locking end and a second locking end rotatable to a first and second locked position correspondingly for locking the connecting member to the footboard in the open and folded conditions. The locking member can be easily and conveniently released from the first and second locked positions by pressing the actuating end. | 11-12-2009 |
20090302566 | Foldable Scooter - The scooter of the present invention includes a footboard, a steering column and a connecting member in between. An engaging member is provided for engaging the rear portion of the connecting member with the front portion of the footboard at the respective open and folded conditions. A rotational driving member operating between a locked position and a released position is provided for driving said engaging member between the open and folded conditions. A first biasing device is provided for disengaging the engaging member from the connecting member and the footboard at the released position of the driving member. The driving member is acted against the biasing device to engage the engaging member with the connecting member and the footboard at the locked position. The engaging member can be easily and conveniently engaged and disengaged by turning the driving member between the locked and released positions. | 12-10-2009 |
Cho Sing Chan, Hong Kong CN
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20120086356 | Current Leakage Protection Device for LED Applications - An electronic circuit for driving an LED device, including an LED, a driver for supply current to the LED array, and one or two current detection modules connected to one or both ends of the LED array for detecting current level and sending signals about the current level detected to the driver, which will break the circuit immediately upon detecting a fault condition on either side of the LED array based on the feedback from one or both current detection modules. | 04-12-2012 |
20120161657 | Passive Anti-Arcing Protection Device for Fluorescent Lamp Ballast - A passive anti-arcing protection components for electronic ballasts of fluorescent lamps. This protection component is a bridge-rectifier-resistor-capacitor network, containing at least a diode, a resistor, and a capacitor. The component's circuitry is electrically connected to the ballast at the lamp side, acting as a low-resistance redirection path for any sudden change in energy. When an arcing condition is about to occur, this protection circuitry absorbs the spark energy, ceasing the arcing condition. | 06-28-2012 |
Chun Alain Chan, Hong Kong HK
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20110291804 | TACTILE PAVING PAD, TACTILE SYSTEM AND METHOD - A replaceable tactile paving pad with electronic components is disclosed. The tactile paving pad comprises a base, a plurality of protrusions extending upwards from the base, a duct portion comprising at least one duct provided on a top surface of the base with an opening provided on the top surface facing upwards, the duct portion extends along a whole length of the base, and an electronic component received within the duct. A system is also disclosed, the system comprising at least one pad and a remote device. The remote device comprises a wireless reader, an input device and an output device. The wireless reader communicates with wireless devices in each pad and a backend server and alerts a user with information retrieved from the backend server. | 12-01-2011 |
Chun-Fung Chan, Hong Kong HK
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20110138491 | Compositions and Method for Epigenetic Modification of Nucleic Acid Sequences in Vivo - Demethylation of a methylated DNA sequence in a eukaryotic cell is described, utilising a molecule that includes at least a first domain that exhibits a cytidine deaminase activity and at least a second domain that confers either a specific or non-specific DNA binding activity. The molecules of the invention are useful in somatic cell nuclear transfer and also in cancer therapy. | 06-09-2011 |
20130034881 | MOLECULES AND METHODS FOR DEMETHYLATION OF METHYLATED NUCLEIC ACID SEQUENCES - Demethylation of a methylated DNA sequence in a eukaryotic cell is described, utilising a molecule that includes at least a first domain that exhibits a cytidine deaminase activity and at least a second domain that confers either a specific or non-specific DNA binding activity. The molecules of the invention are useful in somatic cell nuclear transfer and also in cancer therapy | 02-07-2013 |
Chung Man Chan, Hong Kong HK
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20090174565 | FALL DETECTION SYSTEM - A fall detection system a first fall sensing module and a notifying module. The first fall sensing module has a rotational portion and a sensing portion. The sensing portion monitors movement of the rotational portion. The notifying module is capable of emitting a sound, emitting a light, transmitting a message, initial a call or combination thereof to indicate that the first fall sensing module has been activated. | 07-09-2009 |
20090177129 | WRIST MASSAGER - The present invention is a wrist massager particularly applying to the wrist part of human being adopting acupressure theory of Traditional Chinese Medicine (TCM) in order to circumvent wrist musculoskeletal disorders (MSDs). It comprises a wrist band operably engaged a control panel | 07-09-2009 |
Chung-Pui Chan, Hong Kong HK
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20120000505 | THIN FILM PHOTOELECTRIC COVERSION MODULE - A thin film photoelectric conversion module is provided. The thin film photoelectric conversion module comprises a back electrode layer, a plurality of thin film photoelectric conversion cells, a front electrode layer and a plurality of opaque materials. The thin film photoelectric conversion cells are disposed on the back electrode layer in parallel to each other in a lengthwise direction. The front electrode layer is disposed on the thin film photoelectric conversion cells. Each of the opaque materials is disposed on a light-receiving surface of the front electrode layer and is traversing the thin film photoelectric conversion cells in a traversing direction to separate the thin film photoelectric conversion cells into a plurality of sub-arrays. In each of the sub-arrays, the thin film photoelectric conversion cells are connected in series along the traversing direction. | 01-05-2012 |
20120171800 | METHOD OF SEALING AN ELECTRONIC DEVICE - A method of sealing an electronic device is disclosed, comprising providing an assembly comprising first and second substrates in an opposed relationship, and an electronic device positioned between the first and second substrates; positioning a glass rod against or on the edge of the first and/or second substrate; and heating and softening the glass rod to form a hermetic seal between the first and second substrates and form a hermetically sealed electronic device. | 07-05-2012 |
20120192912 | SOLAR CELL MODULE WITH EXTENDED AREA ACTIVE SUBCELL - A solar cell array and a solar cell module with an extended area (Generally by increasing the width) active subcell are described. The solar cell array includes a fixing beam, at least one solar cell module and a fixing clip for fixing the at least one solar cell module on the fixing beam. The solar cell module further includes a dummy area formed on an edge of the solar cell module, a first active subcell formed next to the dummy area, and a second active subcell formed next to the first active subcell. The area of the first active subcell is larger than the area of the second active subcell to compensate for an area of the fixing clip overlapping on the first active subcell. | 08-02-2012 |
20130042914 | NOVEL DESIGN OF UPCONVERTING LUMINESCENT LAYERS FOR PHOTOVOLTAIC CELLS - A solar cell including an upconverting luminescent material and a back reflecting layer is provided. The upconverting material can be located in any positions below the semiconductor layer of the solar cell. Therefore, the unabsorbed incident light, from the top direction, can be upconverted to light with shorter wavelengths and redirected by the back reflecting layer back to the semiconductor layer to increase the utilization rate of the incident light. | 02-21-2013 |
Chun-Kong Joseph Chan, Hong Kong HK
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20100329301 | Remote temperature sensing device - A temperature sensing device for remotely detecting the temperature of a subject having an identifying feature and a target zone in a fixed relationship to the identifying feature comprising: a distance sensor which measures the distance between the subject and the distance sensor; a temperature sensor for measuring a temperature difference in a sensing zone; a digital image capture device for capturing a digital image of the subject; a means of tilting at least the temperature sensor along at least one axis, and preferably tilting and panning along two axes; a controller that actuates the tilting means; and a support for supporting the distance sensor, the temperature sensor and the digital image capture device; wherein the controller tilts the distance sensor using the tilting means to reduce the distance between the target zone and the sensing zone; and a temperature sensor that measures a temperature difference proximate to the target zone, to detect elevated temperature illness in humans or animals. | 12-30-2010 |
Daniel Pak Ming Chan, Hong Kong HK
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20090290351 | ADJUSTABLE LIGHTING DEVICE - An adjustable lighting device includes a light source, a reflector for reflecting light from the light source, a coil of nonlinear thread coiling around the reflector, and a driving member engaging with the coil of nonlinear thread. The driving member is adapted to drive the coil of nonlinear thread to rotate thereby adjusting the position of the reflector. | 11-26-2009 |
Daniel Tak Chan, Hong Kong HK
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20100008900 | ANNEXIN II COMPOSITIONS FOR TREATING OR MONITORING INFLAMMATION OR IMMUNE-MEDIATED DISORDERS - Methods and compositions for treating, detecting, diagnosing or assisting in the diagnosis of an inflammatory or immunological disorder are provided. The authors have made the novel discovery that anti-dsDNA antibodies are reactive to cell surface annexin II and through this interaction, anti-dsDNA antibodies are bound and then internalized and translocated into the cytoplasm and/or nucleus where they mediate altered cellular functions. Compositions that inhibit or interfere with the interaction of annexin II with anti-dsDNA antibodies can be used to treat one or more symptoms or pathological processes of an inflammatory or immunological disorder, preferably an auto-immune disorder. Methods for monitoring the progression or severity of an inflammatory or immunological disorder are also provided. In certain embodiments, levels of annexin II and/or anti-dsDNA antibodies, including anti-dsDNA antibodies that can bind to annexin II, are assessed and compared to a reference level of annexin II and/or anti-dsDNA antibodies that corresponds to a specific stage or severity of the disorder. | 01-14-2010 |
Daniel Tak Mao Chan, Hong Kong HK
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20100098715 | ANNEXIN II COMPOSITIONS FOR TREATING OR MONITORING INFLAMMATION OR IMMUNE-MEDIATED DISORDERS - Methods and compositions for treating, detecting, diagnosing or assisting in the diagnosis of an inflammatory or immunological disorder are provided. The authors have made the novel discovery that anti-dsDNA antibodies are reactive to cell surface annexin II and through this interaction, anti-dsDNA antibodies are bound and then internalized and translocated into the cytoplasm and/or nucleus where they mediate altered cellular functions. Compositions that inhibit or interfere with the interaction of annexin II with anti-dsDNA antibodies can be used to treat one or more symptoms or pathological processes of an inflammatory or immunological disorder, preferably an auto-immune disorder. Methods for monitoring the progression or severity of an inflammatory or immunological disorder are also provided. In certain embodiments, levels of annexin II and/or anti-dsDNA antibodies, including anti-dsDNA antibodies that can bind to annexin II, are assessed and compared to a reference level of annexin II and/or anti-dsDNA antibodies that corresponds to a specific stage or severity of the disorder. | 04-22-2010 |
David Tai Wai Chan, Hong Kong HK
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20100305717 | WEARABLE POWER ASSISTIVE DEVICE FOR HELPING A USER TO MOVE THEIR HAND - A rehabilitation system ( | 12-02-2010 |
Hanson How Sin Chan, Hong Kong HK
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20120027535 | METHOD AND SYSTEM OF SECURING CARGO - A method and system of securing cargo for preventing access to cargo during transportation is disclosed. In an embodiment, the system comprises a security net adapted for covering the cargo, the net comprising a panel with a periphery. The panel is made from a net with holes of sufficiently small size to prevent objects from readily being inserted therethrough without causing a tear thereto. The periphery contains a plurality of openings. The system also comprises a plurality of security locks adapted for locking onto a pallet beneath the cargo and coupling onto one of the plurality of openings. Each security lock has a first identifier for identifying whether the plurality of security locks belong to a predetermined set. | 02-02-2012 |
Hei Ling Helen Chan, Hong Kong HK
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20090247497 | FORMULATION AND USE OF ERGOSTA-7,22-DIEN-3BETA-OL - An isolated and purified form of ergosta-7,22-dien-3β-ol and its use as a marker for identifying | 10-01-2009 |
20120046265 | USE OF ERGOSTA-7,22-DIEN-3beta-OL IN THE TREATMENT OF CANCER - A use of an isolated and purified form of ergosta-7,22-dien-3β-ol in the treatment of cancer is provided. | 02-23-2012 |
Hoi Ming Chan, Hong Kong HK
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20110267441 | 3-D MOVING PICTURE VIEWING APPARATUS - A 3-D viewing apparatus for viewing moving pictures, the apparatus comprising a left-channel viewer and a right-channel viewer respectively for viewing by left-eye and right-eye of a user, and an electronically controlled shutter mechanism which is arranged to alternatively shut the left-channel viewer and the right-channel viewer such that a user only sees the left- and right- channels through the left- and right viewers respectively. The shutting frequency of the shutter mechanism is predetermined or preset by an electronic controller. The 3-D viewing glass has a shutting mechanism which is arranged to shut the left- and right-viewers at a predetermined, preset or pre-programmed means there is no need to extract electronic synchronization signals from the video source and this makes the 3-D viewing glass more economical and more convenient to use. | 11-03-2011 |
20140098202 | THREE-DIMENSIONAL VIEWING SYSTEM - A three-dimensional viewing system includes a television having an electric circuit provided therein for the generation of alternating left-eye image and right-eye image on a screen, a micro controller unit provided inside the television and configured to extract a vertical synchronizing signal therefrom, a signal transmitting system for directly transmitting the vertical synchronizing signal to a pair of three-dimensional shutter glasses to be worn by the viewer in front of the television. The shutter glasses include left and right liquid crystal shutter lenses adapted to receive the vertical synchronizing signal and produce alternating transparency and opacity of the left and right shutter lenses. A switch unit connected to the left and right shutter lenses for independently switching the transparency and opacity thereof so that left eye of the viewer sees the left-eye image and right eye of the viewer sees the right-eye image to perceive a three-dimensional image. | 04-10-2014 |
Hon Hung Joseph Chan, Hong Kong CN
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20110220141 | STYLING BRUSH WITH SPINNING ATTACHMENT - An apparatus ( | 09-15-2011 |
20130200823 | MOTOR FOR HAIR GROOMING APPARATUS - A motor is provided which includes a pivotable portion having a permanent magnet mounted thereto, and first and second lamination arms, wherein the magnet induces positive and negative polarities in the first and second lamination arms, respectively. The motor further includes a fixed portion including an “E” shaped lamination having three lamination arms and a coil wound about one of the three lamination arms. When a current flowing in a first direction is applied to the coil, a first magnetic field is induced that affects polarity of at least on of the three lamination arms and thus generates a force that causes the first portion to pivot in a first direction. When the current flows in a second direction, a second magnetic field is induced that affects polarity of at least one of the three lamination arms and causes the first portion to pivot in a second direction. | 08-08-2013 |
Ho Yin Chan, Hong Kong HK
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20110292480 | BIAXIAL SCANNING MIRROR HAVING RESONANT FREQUENCY ADJUSTMENT - A biaxial micro-electromechanical (MEMS) device is disclosed. The device includes a gimbal rotatable about a gimbal axis of rotation. A pair of gimbal torsion bars connects the gimbal to a support along the gimbal rotation axis. A mirror plate is rotatable about a mirror axis of rotation, the mirror plate rotation axis being substantially perpendicular to the gimbal rotation axis. A pair of mirror plate torsion bars connects the mirror plate to the gimbal along the mirror plate axis of rotation. One or more gimbal moment-of-inertia-altering blocks are positioned on a surface of the mirror plate away from the gimbal axis of rotation. Additionally, one or more mirror plate moment-of-inertia-altering blocks are positioned on a surface of the mirror plate away from the mirror plate rotation axis such that the distance from the mirror plate axis determines a resonant frequency of the biaxial MEMS device. | 12-01-2011 |
20120086212 | APPARATUS FOR WIND COLLECTION - The present invention provides an omnidirectional wind collection apparatus. The wind collector includes an outer housing with a peripheral wind inlet circumferentially formed therein. An inner housing disposed within the outer housing has an inner surface with a first opening at a lower end thereof to guide the collected wind to a smaller second opening at the top end. The inner surface is curved between the bottom and top openings to form a progressively narrower passage. The configuration of the inner surface creates a Venturi effect such that the wind is accelerated toward the second opening. A wind pass-through portion is formed above the second opening in the inner housing. Based on the Bernoulli effect, the passage of uncollected wind through this portion creates a low pressure region that expedites flow of collected wind through the first and second openings of the inner housing. | 04-12-2012 |
20120086213 | ELECTRIC POWER GENERATOR WITH FERROFLUID BEARINGS - An electric generator using ferrofluid bearings is provided. The generator includes stators having plural magnets separated by a yoke of magnetizable materials. A rotor configured to rotate in a horizontal plane is positioned between the stators. The rotor includes plural coils in which current is induced during rotation from passing through the magnetic fields generated by the stators. A first set of ferrofluid bearings is positioned between the first stator and the rotor and a second set is positioned between the rotor and the second stator. A third set of ferrofluid bearings is positioned adjacent to the periphery of the rotor and configured to center the rotor. In one embodiment, the electric generator is wind-driven and supported in a wind collection housing. | 04-12-2012 |
20120206782 | DEVICE FOR REDUCING SPECKLE EFFECT IN A DISPLAY SYSTEM - The present invention relates to a method and apparatus for speckle noise reduction in laser scanning display. In particular, a MEMS device which can superpose vibrational motion onto a biaxial scanning mirror is provided for reducing the effect of speckling. | 08-16-2012 |
20140323886 | Methods and Device for Sensing a Person's Pulse in Traditional Chinese Medicine - This invention discloses a pulse-sensing device and methods for pulse sensing. In one embodiment, the device includes a robotic finger comprising a humanoid-finger structure, and an actuating-force transferring member for transferring an actuating force to the structure at an actuation point thereon and along an actuation direction. One end of the structure is pivotally mounted to a fulcrum and another end has a sensing area. The robotic finger is configured such that, when the sensing area contacts a person's wrist, a first perpendicular distance from the fulcrum to a first line is substantially longer than a second perpendicular distance from the fulcrum to a second line, where the first line is a straight line passing through a sensing point of the sensing area and being substantially perpendicular to the sensing area, and the second line is a straight line passing through the actuation point and orienting along the actuation direction. | 10-30-2014 |
Hsiao Chang Chan, Hong Kong HK
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20090124627 | COMPOSITIONS FOR SLEEPING DISORDERS - Provided herein is a method for treating, preventing, or ameliorating a disorder such as insomnia or another sleeping disorder using a composition that contains an effective amount of one or more compounds. | 05-14-2009 |
Joseph Chan, Hong Kong HK
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20080288351 | System and Method for Facilitating Electronic Financial Transactions Using a Mobile Telecommunication Device - A transaction processing system for processing a transaction between a supplier and a customer, said system comprising a supplier device for initiating the transaction, a system server and a mobile communication device, said device containing a message processing program module for enabling local verification of the transaction within the mobile device, wherein a transaction message is sent from the supplier device to the system server, a message requesting payment for the transaction is sent from the system server to the mobile communication device, the transaction is authorised and verified at the mobile telecommunications device from which a verification message is sent back to the system server, and the transaction is then processed. | 11-20-2008 |
Kak Man Chan, Hong Kong HK
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20110187309 | APPARATUS FOR AUTOMATICALLY SWITCHING AND CHARGING MULTIPLE BATTERIES - An apparatus for automatically switching and charging a first battery and a second battery includes a charger unit; an output port configured for connecting to a load; a first control switch connected between the charger unit and the first battery; a second control switch connected between the charger unit and the second battery; a first output switch connected between the first battery and the output port; a second output switch connected between the second battery and the output port; a main control unit connected with the first and second batteries, the first and second control switches, and the first and second output switch modules; and a power source module configured for providing power to the main control unit and the charger unit. The main control unit is configured to monitor the output voltages of the first and the second batteries, and if the output voltage of the first battery is lower than that of the second battery to turn on the first control switch and the second output switch and turn off the first output switch and the second control switch so that the first battery is being charged by the charger unit and the second battery is providing power to the load connected to the output port. | 08-04-2011 |
Kam Hung Chan, Hong Kong HK
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20110221938 | Optical Black-Level Cancellation for Optical Sensors Using Open-Loop Sample Calibration Amplifier - A Optical Black Pixel (OBP) cancellation circuit corrects offsets in sensors in a CCD/CMOS image sensor when reading dark pixels such at the periphery. A pixel voltage is switched to a sampling capacitor during two phases of the same pixel pulse. Sampling capacitors and feedback capacitors connect to differential inputs of an amplifier. An accumulating capacitor accumulates voltage differences and generates a common-mode voltage that is fed back to another sampling capacitor that stores an amplifier offset. The sampling capacitor and accumulating capacitor and their associated switches form a discrete-time first-order low-pass filter that filters the pixel voltage during the first phase. In the second phase the amplifier acts as a unity-gain amplifier to output an average of the pixel voltage differences generated during an OBP time when blackened or covered pixels are read from the image sensor. | 09-15-2011 |
20130235903 | CMOS Temperature Sensor with Sensitivity Set by Current-Mirror and Resistor Ratios without Limiting DC Bias - An on-chip temperature sensor circuit can be implemented in a standard complementary metal-oxide-semiconductor (CMOS) process using PNP transistors. A pair of transistors have collector currents that are sensitive to voltage, both directly and due to saturation currents. A scaling resistor connects to the emitter of one transistor and its voltage compared to the other transistor's emitter voltage by an error amplifier that generates a bias voltage to current sources that are proportional to absolute temperature since the saturation current sensitivity is subtracted out. The current is mirrored to sink current through a multiplier resistor from an output. An amplifier connected across the multiplier resistor compares a reference voltage to set the DC bias independent of temperature sensitivity. The temperature sensitivity is proportional to the ratio of the multiplier resistor and the scaling resistor, and is multiplied by a mirroring factor. A differential output may also be provided. | 09-12-2013 |
20140362887 | Differential Temperature Sensor with Sensitivity Set by Current-Mirror and Resistor Ratios without Limiting DC Bias - A differential on-chip temperature sensor circuit can be implemented in a standard complementary metal-oxide-semiconductor (CMOS) process using PNP transistors. A pair of transistors have collector currents that are sensitive to voltage, both directly and due to saturation currents. A scaling resistor connects to the emitter of one transistor and its voltage compared to the other transistor's emitter voltage by an error amplifier that generates a bias voltage to current sources that are proportional to absolute temperature since the saturation current sensitivity is subtracted out. The current is mirrored to sink current through a multiplier resistor from an output. An amplifier connected across the multiplier resistor compares a reference voltage to set the DC bias independent of temperature sensitivity. The temperature sensitivity is proportional to the ratio of the multiplier resistor and the scaling resistor, and is multiplied by a mirroring factor. A differential output is provided. | 12-11-2014 |
Ka Wah Chan, Hong Kong HK
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20110037051 | OPTIMIZATION OF POLISHING STOP DESIGN - 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. | 02-17-2011 |
King Keung Chan, Hong Kong HK
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20090294492 | GARMENT HANGER WITH TOP SIZER - A garment hanger for use with a top sizer clip that has locking tabs formed along an interior thereof includes a body having a hook member including a web portion and a platform extending at least partially around the web portion. The web portion has a first surface, an opposing second surface, and a pair of locking apertures for receiving the locking tabs to securely attach the top sizer clip to hanger. The web portion has at least one beveled cam surface that includes a first edge that defines an entrance into an adjacent locking aperture and an opposite second edge that interfaces with the first surface for allowing the top sizer clip to be moved to an unlocking position. | 12-03-2009 |
King Keung Kennedy Chan, Hong Kong HK
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20090277933 | GARMENT HANGER WITH TOP SIZER - A top sizer clip according to one embodiment for use with a garment hanger includes a body having a pair of side walls and end walls joined to and extending between the side walls. The body includes a top wall that is joined to upper edges of the side walls and end walls. The top wall partially encloses the body so as to create a hollow body structure that includes an interior compartment defined by the end walls, side walls, and top wall. The top wall includes an opening formed therethrough for receiving a hook member of the hanger. The opening is defined by a pair of opposing first edges and a pair of opposing second side edges that extend between the first edges. The clip also includes a pair of slots being formed along the first edges and extending toward the end walls. The second edges include a pair of interference sections (detents) where a distance between the second edges is at a minimum. | 11-12-2009 |
20100140306 | GARMENT HANGER - A garment hanger includes a body having a hook member that extends outwardly from a cross bar that has a first end and an opposite second end. The cross bar has a first end portion that terminates at the first end, a second end portion that terminates at the second end, and a central portion disposed between the first end portion and the second end portion. The hook member is coupled to the central portion, wherein a cross-section of each of the first and second end portions has a first shape and a cross-section of the central portion has a second shape that is different than the first shape. In one embodiment, the first shape is an I-shape and the second shape is a Z-shape. | 06-10-2010 |
20100147907 | GARMENT HANGER WITH TOP SIZER - A top sizer clip according to one embodiment for use with a garment hanger includes a body having a pair of side walls and end walls joined to and extending between the side walls. The body includes a top wall that is joined to upper edges of the side walls and end walls. The top wall partially encloses the body so as to create a hollow body structure that includes an interior compartment defined by the end walls, side walls, and top wall. The top wall includes an opening formed therethrough for receiving a hook member of the hanger. The opening is defined by a pair of opposing first edges and a pair of opposing second side edges that extend between the first edges. The clip also includes a pair of slots being formed along the first edges and extending toward the end walls. The second edges include a pair of interference sections (detents) where a distance between the second edges is at a minimum. | 06-17-2010 |
20110101044 | GARMENT HANGER WITH TOP SIZER - In accordance with one embodiment, a garment hanger for use with a top sizer clip includes a body having a cross bar and a hook member extending outwardly therefrom. The hook member includes a web portion having an inner edge and an opposing outer edge, wherein the hook member terminates in a curved distal end and includes a neck portion that connects the hook member to the cross bar. The neck portion is defined by a portion of the outer edge that faces one end of the cross bar and a portion of the inner edge that faces an opposite end of the cross bar. The outer edge in the neck portion has a concave shape, while the inner edge in the neck portion has a convex shape. | 05-05-2011 |
20130247434 | TOP SIZER FOR GARMENT HANGER - A top sizer clip according to one embodiment of the present invention includes a body having a pair of side walls joined at their ends and an open bottom for receiving a hook member of a garment hanger. Each side wall includes an inner surface and an opposite outer surface and an opening formed therethrough. Wherein along the inner surface a first inner portion is formed above the opening and extends toward a top of the body; a second inner portion is formed below the opening and extends to a bottom edge of the body; a first outer portion is formed along the outer surface above the opening and extends to the top and a second outer portion is formed along the outer surface below the opening and extends to the bottom edge. The second inner portion is recessed relative to the second inner portion and the first outer portion is recessed relative to the second outer portion. | 09-26-2013 |
King Kwong Chan, Hong Kong HK
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20080252255 | CHARGER WITH INPUT AND OUTPUT VOLTAGES ADJUSTABLE BY MEANS OF SINGLE CIRCUIT MATED PLUG-IN CARD TYPE SWITCH - The present invention provides a charger whose input and output voltages are adjusted by means of a single circuit mated plug-in card type switches, in particular relates to a charger that is suited for various input voltages adjusted by various plug-in cards to achieve charging, which has a function of adjusting output voltages by means of plug-in card-type switches to securely and properly charge various electronic terminals having various rated voltages, and whose voltages are universally used for charging electronic terminals. The charger is characterized by comprising a charger body, a DC input and output jack and a slot on one side of the charger body; a circuit main board, N battery packs and a display circuit built in the charger body; a plurality of plug-in cards and a plurality of DC input converters, or a plurality of plug-in cards and a plurality of DC output converters, mated with the DC input and output jack and the slot, and plug type DC jacks arranged at one end of the plurality of DC input converters and the plurality of DC output converters respectively; and a external power source and output wires connected to the plug type DC jacks respectively. The external power source is input into the built in electronic circuit through the plurality of input converters and the plurality of input plug-in cards, so that the input charging current can be adjust to charge the battery packs, and there also are electronic circuit arranged in the plurality of output plug-in cards, so that output voltage can be adjusted by changing values of electronic parts to satisfy the charging requirement of electronic terminals. | 10-16-2008 |
Kwai Chi Chan, Hong Kong HK
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20100164761 | 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-sharing with a terminal capacitor. The voltage of the terminal capacitor is compared by a re-configurable comparator stage for each different combination of the capacitors. The comparison results are analyzed to determine the closest digital value for the analog input. In DAC mode, the array capacitors are switched based on an input digital value. The switched capacitors connect to a charge-sharing line to generate an analog voltage that is applied to the re-configurable comparator stage. A differential amplifier generates a buffered analog voltage that is fed back to the other input of the re-configurable comparator stage for unity gain. The gain of the re-configurable comparator stage adjusts for ADC and DAC modes. | 07-01-2010 |
20100164770 | MULTI-STAGE COMPARATOR WITH OFFSET CANCELING CAPACITOR ACROSS SECONDARY DIFFERENTIAL INPUTS FOR HIGH-SPEED LOW-GAIN COMPARE AND HIGH-GAIN AUTO-ZEROING - An Analog-to-Digital Converter (ADC) has a Successive-Approximation-Register (SAR) driving a digital-to-analog converter (DAC) that generates an analog voltage compared to an input voltage by a series of stages. The last stage feeds a compare signal to the SAR. Each stage has a dual-input differential amplifier that operates as a unity gain op amp during an auto-zeroing phase and as a high-speed low-gain amplifier during an amplifying phase. The dual-input differential amplifier has two pairs of differential inputs. A secondary pair has an offset-storing capacitor across it, and connects to the output pair through feedback switches during auto-zeroing. A primary pair connects to stage inputs through input switches during the amplifying phase. Since two pairs of differential inputs are provided to the dual-input differential amplifier, the offset capacitor is completely isolated from the input pair. The current sink in the dual-input differential amplifier is adjusted higher during the amplifying period. | 07-01-2010 |
20130076546 | CHARGE COMPENSATION CALIBRATION FOR HIGH RESOLUTION DATA CONVERTER - A calibrating Analog-to-Digital Converter (ADC) has an X-side array with binary-weighted capacitors that connect to an X-side line and a Y-side array connected to a Y-side line. Each array has binary-weighted capacitors from a most-significant-bit (MSB) to a least-significant-bit (LSB), but the LSB capacitor is duplicated as a termination capacitor and a middle capacitor between upper and lower groups is also duplicated as a surrogate capacitor. During calibration, lower array capacitors are switched low while the upper capacitors are driven by a thermometer-code value on both X and Y arrays. The thermometer value is inverted to the X-array but remains uninverted on the Y array. The lower array bits are tested to final a calibration value that has X and Y side voltages balanced. | 03-28-2013 |
20130141264 | REDUCED RESIDUAL OFFSET SIGMA DELTA ANALOG-TO-DIGITAL CONVERTER (ADC) WITH CHOPPER TIMING AT END OF INTEGRATING PHASE BEFORE TRAILING EDGE - An analog-to-digital converter (ADC) has a chopper-stabilized sigma-delta modulator (SDM). The SDM uses switched-capacitor integrators to sample, hold, and integrate an analog input in response to non-overlapping multi-phase clocks. Chopper multipliers are inserted on the inputs and outputs of an op amp in a first stage integrator. The chopper multipliers swap or pass through differential inputs in response to non-overlapping chopper clocks. A master clock operating at a frequency of the multi-phase clocks is divided down to trigger generation of the chopper clocks. Delay lines ensure that the edges of the chopper clocks occur before the edges of the multi-phase clocks. The chopper multipliers have already switched and are thus stable when multi-phase clocks change so charge injection at switches controlled by the multi-phase clocks is not immediately modulated by chopper multipliers. This clock timing increases the time available to respond to charge injection at switches improving linearity. | 06-06-2013 |
20140104910 | Self-Starting Transistor-Only Full-Wave Rectifier for On-Chip AC-DC Conversion - A transistor-based full-wave bridge rectifier is suitable for low A.C. input voltages such as received by a Radio-Frequency Identification (RFID) device. Voltage drops due to bridge diodes are avoided. Four p-channel transistors are arranged in a bridge across the A.C. inputs to produce an internal power voltage. A comparator receives the A.C. input and controls timing of voltage boost drivers that alternately drive gates of the four p-channel transistors with voltages boosted higher than the peak A.C. voltage. Four diode-connected transistors are connected in parallel with the four p-channel bridge transistors to conduct during initial start-up before the comparator and boost drivers operate. Substrates are connected to the power voltage on the power-voltage half of the bridge and to the A.C. inputs on the ground half of the bridge to fully shut off transistors, preventing reverse current flow. The transistor bridge can be integrated onto system chips. | 04-17-2014 |
Kwan Sing Chan, Hong Kong HK
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20090008402 | Hygienic Rubbish Bin - 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. | 01-08-2009 |
Kwok Ki Stephen Chan, Hong Kong HK
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20090000439 | Paper Cutting Apparatus - A paper cutting apparatus is disclosed as including a cylindrical cutting roller with a number of closed-loop cutting ridges on its outer cylindrical surface and a support roller, in which the cutting roller is rotatable relative to the support roller to move a piece of paper or cardboard material relative to and between the cutting roller and support roller to cut out part of the piece of paper or cardboard material. | 01-01-2009 |
20090235801 | Base For A Paper Punch And A Paper Punch With Such A Base - A base for a paper punch is disclosed as including an upper jaw with a front end and a rear end, a lower jaw with a front end and a rear end, a first and a second bifurcated supports, both fixedly secured with the upper jaw and the lower jaw, and a first and a second legs, each with a first end and a second end, in which the front end of the lower jaw is spaced apart from the front end of the upper jaw, and being adapted to allow insertion of a piece of paper for punching; and the rear end of the upper jaw is fixedly joined with the rear end of the lower jaw; and each of the first and second bifurcated supports has an upper fork and a lower fork which are spaced apart from each other at a front end and fixedly joined with each other at a rear end; and the upper forks of the bifurcated supports are fixedly secured with a respective lateral side of the upper jaw; and the lower forks of the bifurcated supports are fixedly secured with a respective lateral side of the lower jaw; and the first ends of the legs are fixedly secured to either or both of the upper jaw and lower jaw; and the second end of the first leg is fixedly secured to the rear end of the first bifurcated support, and the second end of the second leg is fixedly secured to the rear end of the second bifurcated support. | 09-24-2009 |
20120181321 | Stapler - An electric stapler ( | 07-19-2012 |
Kwong-Yu Chan, Hong Kong HK
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20080257750 | DEVICE FOR AND METHOD OF GENERATING OZONE - The present invention can provide an electrode member having a substrate member and a coating member. The substrate member can be made of a material selected from the group consisting of titanium, gold coated titanium and other inert conducting materials. The coating member can have a tin dioxide modified by antimony. The electrode member of the present invention can be used for direct generation of ozone in water or through water into a gaseous state. | 10-23-2008 |
Leo Lai Chan, Hong Kong HK
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20080248482 | BIOMARKERS FOR TOXIC ALGAE - The present invention is directed toward biomarkers that identify characteristics of algae. The invention is further directed toward biomarkers that serve to identify algae species and strains of algae species as well as detect the presence of algal toxins. Additional embodiments feature methods utilizing algal biomarkers and polypeptides that can serve as biomarkers. | 10-09-2008 |
20090118472 | Biomarkers for toxic algae - The present invention is directed toward biomarkers that identify characteristics of algae. The invention is further directed toward biomarkers that serve to identify algae species and strains of algae species as well as detect the presence of algal toxins. Additional embodiments feature methods utilizing algal biomarkers and polypeptides that can serve as biomarkers. | 05-07-2009 |
20090220947 | Biomarkers for toxic algae - The present invention is directed toward biomarkers that identify characteristics of algae. The invention is further directed toward biomarkers that serve to identify algae species and strains of algae species as well as detect the presence of algal toxins. Additional embodiments feature methods utilizing algal biomarkers and polypeptides that can serve as biomarkers. | 09-03-2009 |
Leung Por Boris Chan, Hong Kong HK
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20090038638 | MEGASONIC CLEANING SYSTEM - A system for cleaning semiconductor packages is provided which comprises a pickhead that is configured to hold the semiconductor packages in an array arrangement and a plurality of nozzles, each of which is constructed and arranged to project a separate jet of cleaning fluid upwardly against the semiconductor packages. A megasonic energy generator is coupled for imparting megasonic energy to the cleaning fluid and a driving device drives relative movement between the plurality of nozzles and the pickhead to direct the said jets to clean the array of packages on the pickhead. | 02-12-2009 |
Lik Hon Chan, Hong Kong CN
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20120042974 | BRUSHLESS MOTOR - A brushless motor has a stator and a rotor rotatably installed inside of the stator. The stator includes a stator core with teeth protruding inwardly and windings wound on the teeth. The rotor includes a shaft, a rotor core fixed on the shaft, and a ring magnet fixed to the circumferential outer surface of the rotor core. The magnet includes a plurality of magnetic poles radially magnetized so that north poles and south poles are arranged alternately in the circumferential direction. Boundary lines between magnetic poles are skewed by an angle relative to an axis of the shaft. | 02-23-2012 |
20140363314 | Brushless Motor - A brushless motor includes a stator comprising a stator core with teeth protruding inwardly and windings wound on the teeth, and a rotor comprising a shaft, a rotor core fixed to the shaft, and a ring magnet fixed to the circumferential outer surface of the rotor core. The ring magnet includes a plurality of magnetic poles radially magnetized so that north poles and south poles are arranged alternately in the circumferential direction, boundary lines between adjacent magnetic poles being skewed by an angle α relative to an axis of the shaft. A plurality of grooves are formed in a circumferential outer surface of the rotor core. Each groove extends from one axial end to the other axial end of the rotor core, has a circumferential width smaller than each of the magnetic poles, and is covered by the ring magnet with a void formed between the groove and the ring magnet. | 12-11-2014 |
Mark Kit Jiun Chan, Hong Kong HK
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20100146691 | INTELLIGENT FLUSHING SYSTEM - An intelligent flushing system uses odor sensors and cameras to monitor interior conditions of a plumbing product and detect wastes. Recognition of need to activate a flush mechanism is determined by a control unit in accordance with conditions and wastes detected through processed sensor data and camera captured images. Water conservation is achieved by performing diagnostic and preinstalled flush procedures with controlled flush volumes. Flush performance assessment results and related data are stored in a database for statistical analysis and fine-tuning computation for continuous operation betterment. An apparatus with control methods coordinate data and signal processing, flush activation, data storage and communication. All processed information may be transported between various individually operable intelligent flushing systems, information systems of the user, supplier and others via network connection. | 06-17-2010 |
Mau Wah Chan, Hong Kong HK
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20080293551 | Multiple joint linkage device - 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. | 11-27-2008 |
Pak Ming Daniel Chan, Hong Kong HK
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20110164422 | HEAT DISSIPATING LIGHT REFLECTING DEVICE - A LED lamp with adjustable beam direction includes a housing, a lamp base attached to one end of the housing for insertion into a lamp socket, a heatsink shaft mounted within the housing, a LED attached to one end of the heatsink shaft, a parabolic or elliptical or multi-facet reflector having a light output front opening and an asymmetric elliptical shaped rear opening, a first actuator for rotating the reflector about the LED, and a second actuator for tilting the reflector about the LED. | 07-07-2011 |
Peter Wing Chan, Hong Kong HK
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20090299715 | ANGULAR-DOMAIN CHANNEL MODEL AND CHANNEL ESTIMATION - A method of modeling wireless communication channels in angular domain is disclosed. The method includes considering radiation patterns | 12-03-2009 |
Po Ching Chan, Hong Kong HK
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20110268943 | SUBSTRATE COATING AND METHOD OF FORMING THE SAME - A substrate coating and a method of forming the same are provided. The substrate coating includes a first layer formed on a substrate, in which the composition of the first layer includes at least silicon-rich-carbon, and the amount of silicon is about equal to or greater than the amount of carbon; and a second layer formed on the first layer, in which the composition of the second layer includes at least fluorine doped diamond-like-carbon. The substrate coating not only is easy to clean, has good wearing performance, and provides a smooth surface, but also has better adhesion to prevent peeling off. | 11-03-2011 |
Po Wah Chan, Hong Kong CN
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20120025645 | ELECTRIC STARTER MOTOR - An electric starter motor for an internal combustion engine includes a rotatable output axle, a driving member mounted around the output axle, an output gear rotatably mounted around the output axle, and a friction member sandwiched between the output gear and the driving portion of the driving member. The output gear is slidable along the output axle. The hub of the driving member extends through the friction member and into the output gear. | 02-02-2012 |
20130020886 | STARTER MOTOR - A starter motor for an engine includes a motor casing made of electrically conductive material and an end bracket fixed to one end of the motor casing. The end bracket comprises a base with brush cages integrally formed therewith, brushes mounted in the brush cages and a conductor electrically connected to the brushes and motor casing. The base is a single piece made of electrically insulating material and coaxial mounting holes are formed in the base and motor casing for fasteners to fix the starter motor to a housing of the engine. | 01-24-2013 |
20130152733 | STARTER AND MOWER USING THE STARTER - A starter has a high voltage direct current electric motor, a speed reduction device, a clutch, an output gear and a switch box configured to turn on the electric motor. The output gear is driven by the electric motor via the speed reduction device and the clutch. The starter also has a stationary axle on which the output gear is installed. The electric motor has an output shaft. The speed reduction device has a drive gear fixed to the output shaft and a driven gear meshed with the drive gear, the driven gear being rotatably mounted to the axle via a bushing. | 06-20-2013 |
Sai Chak Chan, Hong Kong HK
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20080266541 | Method and apparatus for locating and measuring the distance to a target - Embodiments of the invention comprise an apparatus for use with a laser range finder configured to direct a laser beam toward a scene to measure the distance to a target in the scene and having a range finder display for displaying data, including data that is indicative of the distance to a target, wherein the apparatus comprises a protective housing, a camera module in the housing, the camera module including a lens mounted in a front end portion of the housing, and a light path through the lens to image sensor, an image sensor operatively connected to the camera module for receiving images acquired by the camera module, electronic memory for selectively storing data of images from the image sensor, circuitry for controlling the operation of the image sensor and the memory, a camera display in the housing operatively connected to the image sensor for receiving the image data and providing a visual display of the image, and a switch for storing image data in the memory. Other embodiments include a projector in the housing for projecting the data displayed by the second display onto the image sensor to thereby capture the image data of the scene and displayed distance data together. | 10-30-2008 |
Scott Chan, Hong Kong HK
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20090201466 | Goggles - Goggles provide various features including skirt that mounts to a frame of the goggles. The skirt may be elastic and may include damper portions at least partially extending into the elastic skirt to allow the elastic skirt to have travel and to thereby better conform to the facial features of a subject. The goggles may include an overhead mounting location such as a chamber that encloses movement, such as infrared light sources and/or cameras. Furthermore, the goggles may include infrared mirrors that are retained by a bracket mounted to the frame, where the bracket has a portion affixed to the frame that retains another portion that is movable and that is affixed to the infrared mirrors. | 08-13-2009 |
Sheung Wa Chan, Hong Kong HK
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20090079390 | RECHARGEABLE BATTERY ARRAY - Rechargeable battery array is described. The rechargeable battery array is constructed from: a battery row | 03-26-2009 |
20090243540 | METHODS AND APPARATUS FOR BATTERY CHARGING MANAGEMENT - A method for managing the charging of a battery array | 10-01-2009 |
Shung Kwan Chan, Hong Kong HK
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20090023493 | Betting-products matched bargain method and system - A betting exchange method is provided that comprises receiving offers from at least one user and using proportional calculation to determine whether the offers satisfy transaction criteria among themselves; each of said offers comprises a buyer who request (buys) a bet of an outcome or a seller who provides (sells) a bet of an outcome. The invention also provided a bet trading system comprising a receiver to receive offers from at least one user, each of said offers comprises a buyer who requests (buys) a bet of an outcome or a seller who provides (sells) a bet of an outcome; and a decision-maker uses proportional calculation to determine whether the offers satisfy transaction criteria among themselves. | 01-22-2009 |
Siu Man Chan, Hong Kong HK
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20110273393 | Method and Apparatus for Distributed Computing with Proximity Sensing - The present invention relates to method and apparatus for receiving and processing one or more inputs from multiple mobile devices. In some embodiments, a mobile device identifies its neighboring mobile devices. Based on the information of neighboring mobile devices for each mobile device, a topology of multiple mobile devices is developed. If an input is provided to a mobile device, the mobile device will determine if the input is a supported distributed event. If the input is a supported distributed event, the mobile device will gather the inputs from other mobile devices and aggregate them into an aggregate input. Based on the aggregate input, an output is generated to control one or more mobile devices in the topology. | 11-10-2011 |
Siu Ming Raymond Chan, Hong Kong HK
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20120020193 | WEARABLE ARTICLE | 01-26-2012 |
Stephanie Chan, Hong Kong HK
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20100152662 | Scalable Parallel Gene Therapy Injector Array - A scalable parallel injector array has a support structure for holding injector tubes in a spatial pattern in order to enable delivery of fluidic materials simultaneously to a group of specific target areas in the brain or a body part. Each injector is individually connectible at one end to a displacement-controlled pump and is designed at the other end to be inserted into the brain or body part. The injector tubes are connected to the pump by fluid-filled tubing. The spatial pattern is patient- and/or application-customizable, and the length of the injector tubes is customizable in order to more precisely reach individual target areas. A clamping device may be used to attach the injector array to a stereotaxic arm or other support structure. The action of the pump permits controlled simultaneous delivery of the fluidic materials to the target areas. | 06-17-2010 |
Sze-Lai Celine Chan, Hong Kong CN
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20110294872 | HIGH-AFFINITY NUCLEIC ACID APTAMERS AGAINST SCLEROSTIN PROTEIN - Described are nucleic acid aptamers that are able to bind to and inhibit the function of sclerostin, which is an important negative regulator of bone growth. The aptamers have application as therapeutics for diseases of bone including osteoporosis, osteopenia, osteoarthritis and other osteoporosis-related conditions and complications. | 12-01-2011 |
Tak On Chan, Hong Kong CN
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20110189631 | Movable novelty teeth and method thereof - An improved novelty teeth device for use with a user's teeth movable between a first concealed position and a second visible position. The novelty teeth device has a pair of spaced apart tooth wells for receiving the user's teeth. Between the tooth wells is a central lever element that connects and interacts with two rods, each of which is inserted across each tooth well. The other end of each rod is connected to a curve arm. At the distal end of each curve arm is one or more teeth elements. When the central lever element is pivoted up or down, it rotates the rods, which causes the curve arms to move up or down, concealing or revealing the teeth elements, respectively. A moldable putty can be used in the tooth well to improve comfort to the user. | 08-04-2011 |
Tak On Chan, Hong Kong HK
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20100029109 | Multifunctional Wall Socket - A multifunctional wall socket related to electrical conduction connecting device, comprising socket cover ( | 02-04-2010 |
Tat Chi Chan, Hong Kong HK
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20080216921 | LEADFRAME TREATMENT FOR ENHANCING ADHESION OF ENCAPSULANT THERETO - A method is provided for treating a leadframe comprising copper or copper alloy to enhance adhesion of molding compound to it. The leadframe is oxidized in an oxidation treatment bath to form copper oxide on the surface of the leadframe. It is then dipped in a complexing or chelating agent to enhance the purity of the copper oxide formed. Thereafter, the leadframe is cleaned with an acid to remove any contaminants remaining on the leadframe. | 09-11-2008 |
20080233683 | PRE-PLATED LEADFRAME HAVING ENHANCED ENCAPSULATION ADHESION - A process for producing a pre-plated leadframe that has enhanced adhesion by molding compound is provided, wherein a base leadframe material is first plated with multiple layers of metallic material. Thereafter, the plated base leadframe material is covered with a mask, so as to expose selected surfaces thereof at unmasked areas where enhanced adhesion of molding compound is desired. The said unmasked areas are plated with a layer of copper before removing the mask. Optionally, the layer of copper may further be oxidized to form a layer of specially controlled copper oxide. | 09-25-2008 |
Thomas Chan, Hong Kong HK
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20110281492 | Method of Sensing the Proximity of a Human - A toy including at least one capacitive sensor comprising a metal plate constituting one of the two plates of a capacitor, the second plate being constituted by a portion of a living being in the proximity of the toy, at least one effects generator; and a control circuit including means for causing effects to take place in response to stimulation of said capacitive sensor; the toy being characterized in that said metal plate of said at least one capacitive sensor is used as an antenna for picking up radio frequency transmission from said portion of a living being in the proximity of the toy. | 11-17-2011 |
Tin Yi Chan, Hong Kong HK
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20100209219 | ELECTRONIC DEVICE SORTER COMPRISING DUAL BUFFERS - A device handler for testing and sorting electronic devices has a testing station operative to test the electronic devices and to classify them according to different binning characteristics. A buffer assembly receives electronic devices which have been classified at the testing station, and the buffer assembly further comprises a first loading region having a plurality of receptacles and a second loading region having a plurality of receptacles. An output station is operative to unload electronic devices according to their different binning characteristics from either one of the first or second loading region of the buffer assembly for storage while electronic devices are being loaded onto the other loading region. | 08-19-2010 |
Wahchun Chan, Hong Kong CN
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20120019945 | Method and system for measuring noise of a magnetic head - A method for measuring noise of a magnetic head includes setting a plurality of threshold values, applying bias current or voltage to a read element of the magnetic head, applying an external transverse magnetic field to the magnetic head, amplifying output signal from the read element to produce an amplified signal, filtering the amplified signal to produce a filtered signal, generating an enable signal for each threshold value in a predetermined time window by a counting control means with input signals which include the filtered signal and the threshold value, measuring the cumulative time duration of each enable signal, making an amplitude-duration distribution according to the cumulative time durations and the threshold values, calculating a plurality of parameters according to the amplitude-duration distribution and analyzing the parameters with a plurality of predetermined criteria to determine the defects of the magnetic head. Accordingly, the invention also discloses a system for measuring noise of a magnetic head. | 01-26-2012 |
20130204590 | SPECTRAL SIMULATION METHOD DURING NOISE TESTING FOR A MAGNETIC HEAD, AND NOISE-TESTING METHOD FOR A MAGNETIC HEAD BY USING THE SAME - A spectral simulation method during a noise testing for a magnetic head, includes steps of (a1) detecting several first noise profiles for several magnetic head samples under a first frequency bandwidth range by a dynamic testing machine; (b1) separating each first noise profile into at least two noise curves including a first noise curve and a second noise curve at a predetermined frequency bandwidth, wherein the first noise curve has a frequency bandwidth range lower than that of the second noise curve; (c1) fitting several mathematical equations according to the second noise curves; and (d1) establishing a correlative equation among the mathematical equations, so as to simulate the second noise curve for each magnetic head. The present invention can simulate a second noise curve of the noise profile in a higher frequency bandwidth and establishing the correlative equation according to the second noise curve. | 08-08-2013 |
20140334279 | TESTING METHOD OF A MAGNETIC HEAD, AND TESTING APPARATUS THEREOF - A testing method of a magnetic head includes: applying a first magnetic field with a constant intensity in a first direction that is the same with that of the longitudinal bias field to the magnetic head, simultaneously applying a second magnetic field with variant intensities in a second direction traversing the air bearing surface, and measuring a first noise; applying a third magnetic field with a constant intensity in a third direction that is opposite to the first direction to the magnetic head, simultaneously applying the second magnetic field with variant intensities in the second direction, and measuring a second noise; and analyzing noise change between the first noise and the second noise. The invention can screen out defective magnetic heads that possess poor noise characteristic and unstable performance. | 11-13-2014 |
20150023144 | METHOD AND SYSTEM FOR MEASURING NOISE OF A MAGNETIC HEAD - A method for measuring noise of a magnetic head includes setting a plurality of threshold values, applying bias current or voltage to a read element of the magnetic head, applying an external transverse magnetic field to the magnetic head, amplifying output signal from the read element to produce an amplified signal, filtering the amplified signal to produce a filtered signal, generating an enable signal for each threshold value in a predetermined time window by a counting control means with input signals which include the filtered signal and the threshold value, measuring the cumulative time duration of each enable signal, making an amplitude-duration distribution according to the cumulative time durations and the threshold values, calculating a plurality of parameters according to the amplitude-duration distribution and analyzing the parameters with a plurality of predetermined criteria to determine the defects of the magnetic head. Accordingly, the invention also discloses a system for measuring noise of a magnetic head. | 01-22-2015 |
Wah Pong Chan, Hong Kong HK
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20080266541 | Method and apparatus for locating and measuring the distance to a target - Embodiments of the invention comprise an apparatus for use with a laser range finder configured to direct a laser beam toward a scene to measure the distance to a target in the scene and having a range finder display for displaying data, including data that is indicative of the distance to a target, wherein the apparatus comprises a protective housing, a camera module in the housing, the camera module including a lens mounted in a front end portion of the housing, and a light path through the lens to image sensor, an image sensor operatively connected to the camera module for receiving images acquired by the camera module, electronic memory for selectively storing data of images from the image sensor, circuitry for controlling the operation of the image sensor and the memory, a camera display in the housing operatively connected to the image sensor for receiving the image data and providing a visual display of the image, and a switch for storing image data in the memory. Other embodiments include a projector in the housing for projecting the data displayed by the second display onto the image sensor to thereby capture the image data of the scene and displayed distance data together. | 10-30-2008 |
Wing Chau Chan, Hong Kong HK
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20110300849 | ACK/NACK Detection in LTE PUSCH - The present invention relates to ACK-NACK detection in an LTE wireless communication system. To determine a threshold value for an ACK-NACK transmission, an SC-FDMA signal is received from user equipment. Then, a power estimate of soft data bits is used to establish a threshold value for determining the presence of an ACK-NACK signal. Using this threshold value, a signal from the user equipment is analyzed to determine if it contains an ACK or NACK transmission. | 12-08-2011 |
20130044610 | METHOD AND APPARATUS FOR ESTIMATION OF CHANNEL TEMPORAL CORRELATION AND MIMO MODE SELECTION IN LTE SYSTEM - The present invention relates to a method and apparatus for channel temporal correlation estimation and MIMO mode selection. An embodiment of the invention under LTE system utilizes SRS symbols for temporal correlation estimation and performs MIMO mode selection based on the said temporal correlation estimation. | 02-21-2013 |
Wing Cheong Chan, Hong Kong HK
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20090108805 | LOCALIZED CHARGING, LOAD IDENTIFICATION AND BI-DIRECTIONAL COMMUNICATION METHODS FOR A PLANAR INDUCTIVE BATTERY CHARGING SYSTEM - Methods and principles are described for systematizing localized charging, load identification and bi-directional communication in a planar battery charging system. Also described is control circuitry for selectively energizing a primary winding when a load is placed on the platform. The optimization of the size of the receiver winding compared to the transmitter winding is discussed, while the associated communication methods include techniques for load identification, compatibility checks, hand-shaking and communication of charging status. | 04-30-2009 |
20120293001 | POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES - A power management circuitry for a peripheral electronic device includes a power regeneration circuitry, a power selector, a power switch and an audio signal detection circuitry. The power regeneration circuitry receives a continuous periodic sound wave from an audio device and converts the continuous periodic sound wave into an amplified DC electrical signal. The power source selector receives the amplified DC electrical signal and input from a primary power source and provides a power signal output. The audio signal detection circuitry receives the amplified DC electrical signal and transmits a wake-up signal to the power switch circuitry. The power switch circuitry is turned on by the wake-up signal and connects the power source selector to the peripheral electronic device main circuitry and transfers the power signal output to the peripheral electronic device main circuitry. | 11-22-2012 |
Wing Chi Chan, Hong Kong HK
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20100074553 | METHOD AND APPARATUS OF LOCAL CONTRAST ENHANCEMENT - Methods and apparatuses of contrast enhancement on an image are disclosed. The method performs local shading of fine contrast variations in an image, with particular advantage in tone mapping applications. The amounts of shading are determined by the preferred degree of increased image contrast | 03-25-2010 |
Wing Shing Chan, Hong Kong HK
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20090146740 | Average power efficiency enhancement and linearity improvement of microwave power amplifiers - A biasing circuit is used to provide low distortion and high efficiency operation of a microwave power amplifier. The biasing circuit utilizes the nonlinear rectified current of a microwave diode or transistor for biasing the amplifying transistor self-adaptively. The biasing current not only reduces the DC bias power during low-power operation and increases self-adaptively during high-power operation, but also manipulates the intermodulation distortion minimum dynamically. Meanwhile, the biasing circuit distorts the input signals with positive gain and negative phase deviations. Therefore, the average power efficiency of the operation is enhanced, the linearity of the input-output characteristic is improved and the radiated level of adjacent channel power is suppressed. | 06-11-2009 |
Winston Chan, Hong Kong HK
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20110234519 | TOUCH PANEL - A touch panel is presented, which includes a first substrate, a second substrate, and a third substrate. The first substrate includes a first side having a first circuit. The second substrate includes a first side arranged on the first side of the first substrate and a second side having a second circuit. The third substrate is arranged on the second side of the second substrate. Therefore, by using the structure of the touch panel, the substrates of the touch panel can be integrated, so as to achieve the objective of decreasing the overall thickness of an electronic device. | 09-29-2011 |
20110234520 | TOUCH PANEL AND METHOD FOR FABRICATING THE SAME - A touch panel and a method for fabricating the touch panel are presented. The touch panel includes a panel and a conductive border. A touch circuit is formed on a first side of the panel. A conductive border is formed on a circumference of the first side along the touch circuit. A method for fabricating the touch panel is further presented. The touch circuit of the touch panel is integrated onto the panel, so as to reduce the number of substrates that need to be bonded, thereby avoiding problems caused by substrate bonding and effectively decreasing the overall thickness of the touch panel. | 09-29-2011 |
20110236597 | METHOD FOR PATTERNING SUBSTRATE AND METHOD FOR FABRICATING CAPACITIVE TOUCH PANEL - A method for patterning a substrate is presented, which includes the following steps. A conductive material is jet-printed onto a part of at least one side of the substrate. A surface of the at least one side of the substrate is imprinted with a laser to pattern a first conductive pattern. By using the method, the process can be simplified and substrates of a touch panel can be integrated, so as to achieve an objective of decreasing the overall thickness of an electronic device. | 09-29-2011 |
20110268943 | SUBSTRATE COATING AND METHOD OF FORMING THE SAME - A substrate coating and a method of forming the same are provided. The substrate coating includes a first layer formed on a substrate, in which the composition of the first layer includes at least silicon-rich-carbon, and the amount of silicon is about equal to or greater than the amount of carbon; and a second layer formed on the first layer, in which the composition of the second layer includes at least fluorine doped diamond-like-carbon. The substrate coating not only is easy to clean, has good wearing performance, and provides a smooth surface, but also has better adhesion to prevent peeling off. | 11-03-2011 |
20110273386 | TOUCH PANEL AND METHOD FOR FABRICATING THE SAME - A touch panel and a method for fabricating the same are presented. The method includes the following steps. A glass substrate is strengthened through a chemical method. The glass substrate includes alkali oxide. An indium tin oxide (ITO) layer is formed below the glass substrate. A sensing circuit, a driving circuit, and an interconnection circuit therebetween are formed in the ITO layer. | 11-10-2011 |
20140016279 | TOUCH PANEL AND FABRICATION METHOD THEREOF - The present invention relates to touch panel and a fabrication method thereof. The method for forming touch panel disclosed in the present invention includes: forming a first pattern on a surface of a first substrate having a conductive material; forming a second pattern on a surface of a second substrate; aligning and laminating the first substrate having the first pattern and the second substrate; and cutting the laminated first substrate and second substrate into a plurality of touch panels. The present invention may resolve problems such as the high probability of substrate cracking and the high complexity of alignment of existing method for fabricating touch panel. A simple fabrication procedure may be used to perform alignment, to lamination and cutting, and the yield may be further improved. | 01-16-2014 |
Yin Nang Chan, Hong Kong HK
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20110098965 | TEMPERATURE DETECTION DEVICE - A temperature detection device includes a bottle having a temperature sensor for detecting the temperature of a fluid within the bottle, and a station able to receive the bottle. The temperature sensor can be connected via electrical contacts by putting the bottle onto the station. The station includes a display device and power supply. The contacts on the station are mounted on a vertically movable biasing element, the contacts on the station can be moved from a first position in which the contacts are electrical isolated into a second position, wherein the contacts are connecting a calculation unit, the display device and the power supply. Preferably, the temperature detection device can be switched into operating mode by putting the filled bottle into the station. This connects the relevant units for measuring, calculating and displaying the temperature. The milk bottle can be separated from the thermistor and can be washed easily. | 04-28-2011 |
Yiu Wai Chan, Hong Kong HK
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20080314243 | METHOD AND APPARATUS FOR FLUID PURIFICATION - A catalytic system ( | 12-25-2008 |
20090048781 | METHOD AND DEVICE FOR ENVIRONMENTAL MONITORING - The present invention is related to an environmental monitoring and analyzing device. The device contains a plurality of sensors, a control unit and a display unit. The different types of sensor obtain values of different environmental parameters. The control unit receives the obtained values of the environmental parameters and compares the obtained values against predetermined standards and criteria which define parameter ranges of the different environmental parameters. A display unit displays a real-time air quality report comprising a user-friendly interpretation of the obtained values and recommendations in response to the obtained values. The present invention offers a method for environmental monitoring and analyzing. By implementing this invention into an embodiment, the environmental monitoring analyzing is carried out instantly by considering the interrelationship of the obtained values of the different environmental parameters. The analyzed results are therefore much more accurate. A real-time comprehensive and easily understood by non technical user air quality report is provided. | 02-19-2009 |
20090162255 | AIR PURIFICATION SYSTEM - An air purification system including a Particle Phase Pollutant (PPP) treatment section ( | 06-25-2009 |
20120070336 | AIR PURIFICATION APPARATUS - A method for purifying polluted air having particle phase pollutants and gaseous phase pollutants is provided. The method comprising: separately purifying and treating particle phase and gaseous phase pollutants present in the air; providing a dust cleaning apparatus, a catalytic filter core and a valve for controlling an airflow path within an air purification apparatus; controlling the airflow path for the air to bypass the catalytic filter core in a way that: if the amount of particle phase pollutants is above a predetermined value, the valve is moved to the open position to enable the air to bypass the catalyst filtering core; if the amount of particle phase pollutants is less than a predetermined value, the valve is moved to the closed position to force the air to pass through the catalyst filtering core. | 03-22-2012 |
20120230876 | AIR PURIFICATION APPARATUS - A method for purifying polluted air having particle phase pollutants and gaseous phase pollutants is provided. The method comprising: separately purifying and treating particle phase and gaseous phase pollutants present in the air; providing a dust cleaning apparatus, a catalytic filter core and a valve for controlling an airflow path within an air purification apparatus; controlling the airflow path for the air to bypass the catalytic filter core in a way that: if the amount of particle phase pollutants is above a predetermined value, the valve is moved to the open position to enable the air to bypass the catalyst filtering core; if the amount of particle phase pollutants is less than a predetermined value, the valve is moved to the closed position to force the air to pass through the catalyst filtering core. | 09-13-2012 |
20120312169 | AIR PURIFICATION DEVICE AND METHOD - The present invention is an air purification method and device. Due to the lower airflow resistance that the present invention induces, an exhaust fan or blower with motor of lower torque is adopted. Consequently, the whole air purification is operated at a lower noise level. Lower operational voltage is applicable for the high-voltage electrostatic precipitator device and provides a similar or superior performance and effectiveness for dust removal. The air purification device/system is designed with higher flexibility and of more compact in dimension and size. Dust is removed from the environment by a high voltage electrostatic precipitator. The airflow stream within a high-voltage electrostatic precipitator is such that the direction of the path of the airflow is changed at least twice. | 12-13-2012 |
Yi Wah Chan, Hong Kong HK
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20110303751 | Radio Frequency Identification (RFID) Tag - A radio frequency identification (RFID) tag is disclosed as including an integrated circuit and at least one antenna connected with the integrated circuit, wherein the antenna is formed of an at least partly metalized thread. | 12-15-2011 |
Yuen Yee Chan, Hong Kong HK
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20110091669 | METHOD FOR FABRICATION OF SILICONE COMPOSITE WITH ANTIMICROBIAL COATING - A method of fabricating silicone composite with a layer of antimicrobial coating, the method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container with a thickness of 0.1 μm to 10 μm, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating and removing the silicone composite with the layer of antimicrobial coating from the container. | 04-21-2011 |
20120135250 | METHOD FOR FABRICATION OF SILICONE COMPOSITE WITH ANTIMICROBIAL COATING - An antimicrobial article prepared by a method includes forming an antimicrobial mixture by adding a calculated amount of antimicrobial agent to a solution of water and alcohol, depositing the antimicrobial mixture in a container, the antimicrobial mixture having a thickness of 0.1 μm to 10 μm, evaporating the water and alcohol of the antimicrobial mixture to form the layer of antimicrobial coating, adding silicone resin on top of the layer of antimicrobial coating and allow the silicone resin to permeate and crosslink with the layer of antimicrobial coating, and removing the silicone composite with the layer of antimicrobial coating from the container. | 05-31-2012 |
Yui Wai Chan, Hong Kong HK
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20090136388 | AIR PURIFICATION APPARATUS - An apparatus ( | 05-28-2009 |
Yuk Yee Chan, Hong Kong HK
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20090049722 | WRISTBAND WITH BLOOD-TYPE INFORMATION - The present invention is a wristband with blood-type information in Braille, words, symbols, graphics or anything alike capable of bearing such information raised on, recessed, or printed on the surface of the wristband. The wristband is made of elastic materials or a combination of other materials to form a flexible closed-end loop. The wristband is manufactured in different sizes or is adjustable to fit different wrist sizes. The wristband is water-proof or splash-proof. The wristbands are manufactured in different colors or combinations of colors. The wristband allows everyone, whether they have normal sight or vision problems, whether they are a child or elderly, and whether they are male or female, without any restriction. | 02-26-2009 |