Ping-Yu
Ping-Yu Chen, Tainan City TW
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20150099876 | Molecular Catalysts Capable of Catalyzing Oxidation of Hydrocarbons and Method for Oxidizing Hydrocarbons - This invention relates to molecular catalysts and chemical reactions utilizing the same, and particularly to molecular catalysts for efficient catalytic oxidation of hydrocarbons, such as hydrocarbons from natural gas. The molecular catalytic platform provided herein is capable of the facile oxidation of hydrocarbons, for example, under ambient conditions such as near room temperature and atmospheric pressure. | 04-09-2015 |
Ping-Yu Chen, Hsinchu TW
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20110063169 | PHASED-ARRAY TRANSCEIVER FOR MILLIMETER-WAVE FREQUENCIES - A phased-array transmitter and receiver that may be effectively implemented on a silicon substrate. The transmitter distributes to front-ends, and the receiver combines signals from front-ends, using a power distribution/combination tree that employs both passive and active elements. By monitoring the power inputs and outputs, a digital control is able to rapidly provide phase and gain correction information to the front-ends. Such a transmitter/receiver includes a plurality of radio frequency (RF) front-ends and a power splitting/combining network that includes active and passive components configured to distribute signals to/from the front-ends. | 03-17-2011 |
20140132450 | PHASED-ARRAY TRANSCEIVER FOR MILLIMETER-WAVE FREQUENCIES - A phased-array receiver that may be effectively implemented on a silicon substrate. A receiver includes multiple radio frequency (RF) front-ends, each configured to receive a signal with a given delay relative to the others such that the gain of the received signal is highest in a given direction. The receiver also includes a power combination network configured to accept an RF signal from each of the RF front-ends and to pass a combined RF signal to a down-conversion element, where the power distribution network includes a combination of active and passive components. Each RF front-end includes a phase shifter configured to delay the signal in accordance with the given direction and a variable amplifier configured to adjust the gain of the signal. | 05-15-2014 |
Ping-Yu Chen US
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20120188006 | Self-Calibrated, Broadband, Tunable, Active Filter with Unity Gain Cells for Multi-Standard and/or Multiband Channel Selection - An exemplary filter includes N (≧2) unity gain amplifiers, each with a pair of differential input terminals and a pair of differential output terminals; a pair of filter differential input terminals; a first pair of variable resistances coupling the pair of filter differential input terminals to the pair of differential input terminals of the first unity gain amplifier; N−1 pairs of variable resistances coupling the pairs of differential output terminals of each of the N unity gain amplifiers, other than the last one, to the pairs of differential input terminals of its downstream neighbor; N−1 pairs of variable capacitances coupling the pairs of differential input terminals of each of the N unity gain amplifiers, other than the last one, to the pairs of differential output terminals of its downstream neighbor; and a variable capacitance coupling the pair of differential input terminals of the last unity gain amplifier to each other. | 07-26-2012 |
Ping-Yu Chen, Hsinchu County TW
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20130155658 | LIGHTING DEVICE - A lighting device, comprising a housing, a control circuit and a solid-state light emitting unit, is disclosed. The housing includes a receiving space, and the material of the housing is wax. The control circuit is sealed in the receiving space and provides a control signal. The solid-state light emitting unit is sealed in the receiving space and receives the control signal to provide a light. | 06-20-2013 |
Ping-Yu Chen, New Taipei City TW
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20140022737 | POWER SYSTEM AND MODULAR POWER DEVICE THEREOF - A modular power device is used for mounting on a main plate. The modular power system includes a first substrate, a driving module and a converting module. The first substrate having a first axial direction and a second axial direction substantially perpendicular to the first axial direction is inserted into the main plate, such that the second axial direction is substantially perpendicular to the main plate. The driving module is located on one side of the first substrate and electrically connected thereon. The converting module is located on the other side of the first substrate and electrically connected to the driving module. A length of the converting module is substantially equal to that of the first substrate in the first axial direction, and a width of the converting module is smaller than a length of the first substrate in the first axial direction. | 01-23-2014 |
Ping-Yu Chen, Tainan TW
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20140122574 | REMOTE MANAGEMENT SYSTEM WITH ADAPTIVE SESSION MANAGEMENT MECHANISM - A remote management system with adaptive management mechanism is disclosed, by using an adaptive feedback session management decision (AFSMD) server to connect a plurality of clients and a plurality of cluster nodes respectively. AFSMD server includes a session ID map manager for recording mapping between session and cluster node forwarded to; a decision grade producer, for producing a decision grade to determine the session management manner required for the current session; a session connection number query (SCNQ) for communicating with a storage to obtain a total connection number of a client; a cluster node communication interface, for communicating with cluster nodes and for information cluster nodes if session needs duplication; and a session management decision controller for overseeing the entire session management decision flow to achieve higher efficiency. | 05-01-2014 |
Ping-Yu Chen, Hsinchu City TW
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20130033333 | SELF CALIBRATED, BROADBAND, TUNABLE, ACTIVE OSCILLATOR WITH UNITY GAIN CELLS FOR MULTI-STANDARD AND/OR MULTIBAND CHANNEL SELECTION - An oscillator includes N greater than unity gain amplifiers, N being at least two. Each of the N greater than unity gain amplifiers has a pair of differential input terminals and a pair of differential output terminals. The oscillator further includes a first pair of variable resistances, N−1 pairs of variable resistances, N−1 pairs of variable capacitances, and a variable capacitance. The pairs of variable resistances couple differential output terminals of the N greater than unity gain amplifiers. The pairs of variable capacitances couple differential input terminals of the N greater than unity gain amplifiers. Each of the N greater than unity gain amplifiers includes a linearized operational transconductance amplifier stage coupled to a corresponding pair of the differential input terminals, and a unity gain buffer with feedback interconnected between the linearized operational transconductance amplifier stage and a corresponding pair of the differential output terminals. | 02-07-2013 |
Ping-Yu Chen, Taipei TW
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20140267109 | INPUT DEVICE AND METHOD OF SWITCHING INPUT MODE THEREOF - An input device and a method of switching an input mode of the input device are provided. The input device includes a main body, a state detecting module, a touchpad and a control unit. The main body includes a top surface, a bottom surface and a side surface connected the bottom and top surfaces. The state detecting module includes a first state detecting unit disposed at the bottom surface and a second state detecting unit disposed at the side surface. The first and second state detecting units detect a using state of the input device and generate first and second detecting signals, respectively. The control unit is electrically connected to the state detecting module and the touchpad, and the control unit switches the touchpad to a first control mode or a second control mode according to the first and second detecting signals. | 09-18-2014 |
Ping-Yu Cheng, Taipei TW
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20080198136 | ULTRA MOBILE PERSONAL COMPUTER - An ultra mobile personal computer includes a monitor, a keyboard apparatus, and a micro-touchpad. The monitor is coupled on the keyboard apparatus such that the monitor could be shifted relatively to the keyboard apparatus to display a keyboard panel built inside. In addition, the micro-touchpad is arranged on the keyboard apparatus. | 08-21-2008 |
Ping-Yu Lee, Taoyuan County TW
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20110182463 | ULTRA-THIN LOUDSPEAKER - An ultra-thin loudspeaker including: a) an iron basin having a first receiving portion and a second receiving portion at the top surface thereof; b) a magnet unit positioned within the first receiving portion of the iron basin; c) a voice coil positioned around the magnet unit; and d) a vibrating diaphragm positioned within the second receiving portion. These are assembled to form a mini-speaker. Furthermore, the mini-speaker is enclosed by a top and a bottom metal cover. In this way, the mini-speaker of the invention resolves the heat-dissipating problem of the conventional thin loudspeaker. Moreover, the thickness of the entire loudspeaker may be minimized. In addition, an excellent concentration of the magnetic force is achieved and the production yield rate is increased. | 07-28-2011 |
20150016658 | THIN SPEAKER STRUCTURE - A thin speaker structure comprises: a long support frame; a magnetic circuit member; a voice coil; a membrane; wherein the magnetic circuit member and voice coil are rounded and the membrane includes an elliptic surrounding and an elliptic body with a center portion and a peripheral portion; the peripheral portion is fixed to a bottom edge of an inner surface of the surrounding and the center portion corresponding to the peripheral portion defines a rigid strengthened region in a longer elliptic shape; the center portion has a length of a long side longer than a diameter of the voice coil at a predetermined distance; whereby the elliptic body is combined with the circular voice coil to form a vibrating structure in order to increase the rigidity of the membrane. | 01-15-2015 |
Ping-Yu Lee, Taoyuan County 33341 TW
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20110085694 | ULTRA-THIN SPEAKER - An ultra-thin speaker includes a metal upper casing, and a metal lower casing corresponding to the metal upper casing and capable of covering a vibrating membrane, a support frame, a magnet and a yoke between two corresponding internal surfaces of the metal upper and lower casings and forming a contact surface with the yoke, such that after the yoke conducts heat of a heat source to the metal lower casing, the heat is conducted to the metal upper casing through a connection and a contact of the metal upper and lower casings to increase a heat dissipating area, so as to overcome the heat dissipation problem and minimize the overall thickness of the speaker. | 04-14-2011 |
Ping-Yu Liang, Taichung City TW
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20100014016 | FLEXIBLE PRINTED CIRCUIT AND LIQUID CRYSTAL MODULE USING THE SAME - A flexible printed circuit used for being disposed between a frame and a conductive casing of a liquid crystal module is provided. The frame includes a main plate and a side plate which is connected to a side of the main plate. The flexible printed circuit includes a body and a grounding portion. The body is used for being disposed on the main plate of the frame. The grounding portion extends from the body. The grounding portion is bent to a predetermined angle with respect to the body, so that the grounding portion is disposed on the side plate of the frame. The grounding portion has a metal layer contacting an inner wall of a side plate of the conductive casing. The flexible printed circuit has a hole located at the position where the grounding portion is connected the body. | 01-21-2010 |
Ping-Yu Wu, Hsinchu TW
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20110269955 | METHOD FOR PREPARING 2-MORPHOLINOISOBORNANE- 10-THIOL AND INTERMEDIATES FORMED THEREIN - A method for preparing 2-morpholinoisobornane-10-thiol is disclosed, which has simplified steps and avoids the use of Na metal. Accordingly, it is advantageous to apply the method in a mass production. | 11-03-2011 |
20110295042 | METHOD FOR PREPARING PROPARGYLIC ALCOHOL CATALYZED BY 2-MORPHOLINOISOBORNANE-10-THIOL - A method for preparing a propargylic alcohol catalyzed by 2-morpholinoisobornane-10-thiol (MITH) is disclosed, which includes reacting R | 12-01-2011 |
Ping-Yu Wu, Tainan City TW
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20130150574 | PROCESS FOR THE MANUFACTURE OF CHIRAL CATALYSTS AND THEIR SALTS - The present invention provides efficient and economical methods for synthesis of (−)-2-exo-morpholinoisoborne-10-thiol, its enantiomer, and related chiral catalysts. Novel compounds and methods of asymmetric synthesis are also disclosed. | 06-13-2013 |
20140128595 | Process for the Preparation of -C-Aryl Glucosides - The present invention provides processes for stereoselectively preparing C-arylglucosides that can be useful as synthetic building block or drugs, including SGLT2 inhibitors. | 05-08-2014 |