Patents by Inventor Shin Liu
Shin Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7706219Abstract: A signal processing apparatus includes sample and hold units for holding a plurality of analog photo diode signals. A signal holding controller generates control signals to the sample and hold units for holding the analog photo diode signals. Analog adjusting modules adjust the held analog photo diode signals. A multiplexer selectively couples one input end of the multiplexer to the output end of the multiplexer for outputting the adjusted analog photo diode signals. An analog to digital converter converts the adjusted analog photo diode signals into digital photo diode signals.Type: GrantFiled: June 5, 2007Date of Patent: April 27, 2010Assignee: Mediatek Inc.Inventors: Chia-Wei Liao, Chih-Ching Chen, Yuh Cheng, Ming-Jiou Yu, Kuo-Jung Lan, Chun-Yu Lin, Shiue-Shin Liu, Shu-Hung Chou, Yu-Hsuan Lin, Jong-Woei Chen
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Publication number: 20100008697Abstract: An organic photoconductor (OPC) drum includes a support member formed as a unitary molded body, a pair of mounting members, a pair of rollers, and an OPC belt. The support member includes a plurality of support plates, a plurality of groove-defining U-shaped segments, and first and second sidewalls. Each of the support plates extends in a first direction. Adjacent ones of the support plates are spaced apart from each other in a second direction transverse to the first direction. Each of the U-shaped segments interconnects a corresponding adjacent pair of the support plates. Each of the mounting members is coupled to a respective one of the first and second sidewalls. The rollers flank the support member in the second direction. The OPC belt is trained on an assembly of the support member and the rollers, and is driven by the rollers to move on the support plates.Type: ApplicationFiled: February 13, 2009Publication date: January 14, 2010Inventors: Yuing Chang, Chung-Shin Liu, Hung-Huang Tai
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Publication number: 20090296870Abstract: A clock generation circuit for a transmitter which transmits data according to an output clock signal is provided. The clock generation circuit include a clock generator and a phase locked loop (PLL). The clock generator generates a first clock signal. The PLL initially generates the output clock signal according to the first clock signal. When a frequency of the output clock signal generated according to the first clock signal is not within a range required for specification of the transmitter, the PLL switches to generate the output clock signal according to a second clock signal.Type: ApplicationFiled: March 25, 2009Publication date: December 3, 2009Applicant: MEDIATEK INC.Inventors: Kuan-Hua Chao, Shiue-Shin Liu, Tse-Hsiang Hsu
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Publication number: 20090296869Abstract: A clock generation circuit is provided and includes a phase locked loop (PLL) and a calibrator. The PLL is arranged to receive a first clock signal and generate the output clock signal. The PLL adjusts the frequency of the output clock signal according to a control signal. The calibrator is arranged to receive the output clock signal and a second clock signal, execute a frequency calibration between the output clock signal and the second clock signal, and generate the control signal according to results of the frequency calibration.Type: ApplicationFiled: March 19, 2009Publication date: December 3, 2009Applicant: MEDIATEK INC.Inventors: Kuan-Hua Chao, Shiue-Shin Liu, Jeng-Horng Tsai, Chih-Ching Chen, Chuan Liu, Tse-Hsiang Hsu
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Publication number: 20090257112Abstract: In an apparatus for manufacturing an electrophoretic display, the electrophoretic display includes a backside plate having a cover area and a display structure. The display structure is arranged on the backside plate and a rear surface thereof facing toward the backside plate has an area less than the cover area. The apparatus includes a main body and a pressure-supplying member. The main body includes a receiving cavity, a supporting surface and a plurality of absorption holes. The receiving cavity is configured to receive the display structure therein. The supporting surface is located at the bottom of the receiving cavity. The absorption holes are arranged at the bottom of the receiving cavity and each penetrates through the supporting surface. The absorption holes are configured to vacuum absorb the display structure on the supporting surface via vacuum absorption means.Type: ApplicationFiled: April 11, 2008Publication date: October 15, 2009Inventors: Ted-Hong Shinn, Hsiang-Tang Wang, Yi-Ching Wang, Wen-Shin Liu
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Patent number: 7595928Abstract: In an apparatus for manufacturing an electrophoretic display, the electrophoretic display includes a backside plate having a cover area and a display structure. The display structure is arranged on the backside plate and a rear surface thereof facing toward the backside plate has an area less than the cover area. The apparatus includes a main body and a pressure-supplying member. The main body includes a receiving cavity, a supporting surface and a plurality of absorption holes. The receiving cavity is configured to receive the display structure therein. The supporting surface is located at the bottom of the receiving cavity. The absorption holes are arranged at the bottom of the receiving cavity and each penetrates through the supporting surface. The absorption holes are configured to vacuum absorb the display structure on the supporting surface via vacuum absorption means.Type: GrantFiled: April 11, 2008Date of Patent: September 29, 2009Assignee: Prime View International Co., Ltd.Inventors: Ted-Hong Shinn, Hsiang-Tang Wang, Yi-Ching Wang, Wen-Shin Liu
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Publication number: 20090167369Abstract: An output driver is disclosed. The output driver has a pair of differential outputs coupled to a first supply voltage via a pair of load devices and comprises a current source, a pair of low voltage transistors, a pair of high voltage transistors, and a resistor. The current source has one end coupled to a second supply voltage. Each of the low voltage transistors has a first terminal coupled to the other end of the current source, a second terminal receiving a low voltage signal, and a third terminal. Each of the high voltage transistors has a first terminal coupled to the third terminal of a corresponding one of the low voltage transistors, a second terminal coupled to a bias voltage and a third terminal coupled to the output. The resistor is connected between the third terminals of the high voltage transistors.Type: ApplicationFiled: June 26, 2008Publication date: July 2, 2009Applicant: MEDIATEK INC.Inventors: Shiue-Shin Liu, Tse-Hsiang Hsu
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Publication number: 20090085532Abstract: A DC-DC converter providing a DC output voltage at an output node. The DC-DC converter comprises an output stage, a digital controller, and a controller. The output stage comprises a pull-up circuit having a control terminal and coupled between a first fixed voltage and a internal node, a pull-down circuit coupled between the internal node and a second fixed voltage, and a low pass filter coupled between the internal node and the output node. The digital controller is powered by the DC output voltage and adjusts the DC output voltage by controlling the output stage. The controller controls a connection of a feedback path, comprising the digital controller, between the output node and the control terminal according to the DC output voltage.Type: ApplicationFiled: October 2, 2007Publication date: April 2, 2009Applicant: MEDIATEK INC.Inventors: Shiue Shin Liu, Tse-Hsiang Hsu
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Publication number: 20090027490Abstract: This is an endoscope apparatus which has an endoscope which picks up an image of a sample using a solid state image pickup element and outputs an image pickup signal, and a processor which processes the above-mentioned image pickup signal, generates HDTV and SDTV serial digital video signals, switches one side of those selectively, and performs a serial output, in which the serial digital video signal switched selectively by the above-mentioned processor is output through a first connector, the above-mentioned processor is equipped with a discrimination signal generating section which is linked with selection switching of the above-mentioned HDTV or SDTV serial digital video signal to generate an HDTV/SDTV discrimination signal which can discriminate the above-mentioned HDTV or SDTV serial digital video signal, and the discrimination signal is output through a second connector different from the above-mentioned first connector.Type: ApplicationFiled: June 2, 2006Publication date: January 29, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Tsutomu Hirai, Tomoki Iwasaki, Kazumasa Takahashi, Hidenori Hashimoto, Akihiko Mochida, Katsuyuki Saito, Makoto Tsunakawa, Kentaro Hase, Kotaro Ogasawara, Tadao Eto, Akihito Kawamura, Shin Liu, Shoichi Amano, Jun Konishi
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Publication number: 20070296389Abstract: A switching regulator. A pulse width modulation (PWM) unit comprises an output stage and generates a PWM driving signal to control the output stage, such that an inductor delivers an inductor current signal to the load, and a slope compensation unit outputs a slope compensation signal with a compensation slope proportional to a falling slope of the inductor current signal to the PWM unit according to the inductor current signal.Type: ApplicationFiled: June 15, 2007Publication date: December 27, 2007Applicant: MEDIATEK INC.Inventors: Hung-I Chen, Shiue Shin Liu
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Publication number: 20070291613Abstract: A signal processing apparatus includes sample and hold units for holding a plurality of analog photo diode signals. A signal holding controller generates control signals to the sample and hold units for holding the analog photo diode signals. Analog adjusting modules adjust the held analog photo diode signals. A multiplexer selectively couples one input end of the multiplexer to the output end of the multiplexer for outputting the adjusted analog photo diode signals. An analog to digital converter converts the adjusted analog photo diode signals into digital photo diode signals.Type: ApplicationFiled: June 5, 2007Publication date: December 20, 2007Inventors: Chia-Wei Liao, Chih-Ching Chen, Yuh Cheng, Ming-Jiou Yu, Kuo-Jung Lan, Chun-Yu Lin, Shiue-Shin Liu, Shu-Hung Chou, Yu-Hsuan Lin
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Patent number: 7254891Abstract: A lawn cutting device includes a handle having a hollow connecting part that has a bottom end portion defining a bottom opening and a driving member having an output shaft that is received in the connecting part of the handle and that extends outwardly through the bottom opening. The device also includes a blade-mounting seat spaced apart from the bottom end portion of the connecting part of the handle, and aligned coaxially with and secured to the output shaft. The device further includes a blade member mounted on the blade-mounting seat; and a protecting member including a cup-shaped body that is coaxially aligned with and that extends from the blade-mounting seat, and that defines a recess which receives the bottom end portion of the connecting part of the handle therein.Type: GrantFiled: May 27, 2005Date of Patent: August 14, 2007Inventor: Chang-Shin Liu
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Publication number: 20070139847Abstract: A power tool includes a battery-operated power supplying unit adapted to be connected to a battery unit and to generate battery status information, a driving unit adapted to be coupled to a tool bit, a protection unit for making and breaking an electrical circuit between the power supplying unit and the driving unit, a user-actuated unit for enabling operation of the protection unit to make the electrical circuit, and a control unit for enabling operation of the protection unit to break the electrical circuit when the control unit detects an abnormal condition from the battery status information.Type: ApplicationFiled: November 21, 2006Publication date: June 21, 2007Applicant: Aebos Technology Co., Ltd.Inventor: Chang-Shin Liu
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Publication number: 20070046110Abstract: A power tool includes a housing, a battery-operated power supplying unit, a driving unit, and a battery status indicator. The power supplying unit is mounted in the housing, is adapted to be connected to a battery unit, and includes a processor unit capable of monitoring status of the battery unit. The driving unit is mounted in the housing, is adapted to be coupled to a tool bit, and is coupled electrically to the power supplying unit. The processor unit controls drive operation of the driving unit. The battery status indicator is mounted to the housing, is coupled electrically to the power supplying unit, and is controlled by the processor unit to generate a light output visible externally of the housing for visually indicating the status of the battery unit as monitored by the processor unit.Type: ApplicationFiled: December 12, 2005Publication date: March 1, 2007Inventor: Chang-Shin Liu
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Publication number: 20070047687Abstract: A phase detector for detecting a phase difference between a first signal and a second signal is disclosed. The phase detector includes: a difference determining module, a phase leading/lagging determining module, and a phase determining module. The difference determining module is used for outputting a pulse having a period in which a logic level of the first signal is different from a logic level of the second signal. The phase leading/lagging determining module is used for outputting an detection signal to identify a phase leading/lagging relationship between the first signal and the second signal. The phase determining module is coupled to the difference determining module and the phase leading/lagging determining module for combining the pulse and the detection signal to output a result signal, wherein the result signal comprises difference and leading/lagging information between the first and the second signal.Type: ApplicationFiled: December 27, 2005Publication date: March 1, 2007Inventors: Tse-Hsiang Hsu, Shiue-Shin Liu
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Publication number: 20060265882Abstract: A lawn cutting device includes: a handle having a hollow connecting part that has a bottom end portion defining a bottom opening; a driving member having an output shaft that is received in the connecting part of the handle and that extends outwardly through the bottom opening; a blade-mounting seat spaced apart from the bottom end portion of the connecting part of the handle, and aligned coaxially with and secured to the output shaft; a blade member mounted on the blade-mounting seat; and a protecting member including a cup-shaped body that is coaxially aligned with and that extends from the blade-mounting seat, and that defines a recess which receives the bottom end portion of the connecting part of the handle therein.Type: ApplicationFiled: May 27, 2005Publication date: November 30, 2006Inventor: Chang-Shin Liu
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Publication number: 20060166008Abstract: A mouse pad is provided, including a glass substrate and a surface layer made from a ceramic material and formed on the glass substrate, wherein the ceramic surface layer has many pores with a surface roughness of 1˜20 ?m, such that the ceramic surface layer has a strong resistance to abrasion and deformity. Therefore, the sensitivity of the mouse is maintained and the mouse pad is more durable.Type: ApplicationFiled: September 26, 2005Publication date: July 27, 2006Inventors: Wei-Tien Hsiao, Wu-Han Liao, Ning Yang, Mao-Shin Liu, Jhong-Ren Wu, Chin-Te Huang, Chang-Chih Hsu
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Patent number: 6894352Abstract: A method for fabricating a single-electron transistor (SET). A one dimensional channel is formed between source and drain on a silicon-on-insulator substrate, and the separated polysilicon sidewall spacer gates are formed by electron-beam lithographically etching process in a self-aligned manner. Operation of the single-electron transistor with self-aligned polysilicon sidewall spacer gates is achieved by applying external bias to the self-aligned polysilicon sidewall spacer gates to form two potential barriers and a quantum dot capable of storage charges between the two potential barriers. A metal upper gate is finally formed and biased to induce a two-dimensional electron gas (2DEG) and control the energy level of the quantum well.Type: GrantFiled: June 25, 2003Date of Patent: May 17, 2005Inventors: Shu-Fen Hu, Yung-Chun Wu, Wen-Tai Lu, Shiue-Shin Liu, Tiao-Yuan Huang, Tien-Sheng Chao
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Publication number: 20040061173Abstract: A method for fabricating a single-electron transistor (SET). A one dimensional channel is formed between source and drain on a silicon-on-insulator substrate, and the separated polysilicon sidewall spacer gates are formed by electron-beam lithographically etching process in a self-aligned manner. Operation of the single-electron transistor with self-aligned polysilicon sidewall spacer gates is achieved by applying external bias to the self-aligned polysilicon sidewall spacer gates to form two potential barriers and a quantum dot capable of storage charges between the two potential barriers. A metal upper gate is finally formed and biased to induce a two-dimensional electron gas (2DEG) and control the energy level of the quantum well.Type: ApplicationFiled: June 25, 2003Publication date: April 1, 2004Inventors: Shu-Fen Hu, Yung-Chun Wu, Wen-Tai Lu, Shiue-Shin Liu, Tiao-Yuan Huang, Tien-Sheng Chao
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Patent number: D531873Type: GrantFiled: September 29, 2005Date of Patent: November 14, 2006Assignee: Aebos Technology Co., Ltd.Inventor: Chang-Shin Liu