Patents by Inventor Chun-Wei Chen

Chun-Wei Chen 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).

  • Publication number: 20160012566
    Abstract: An image interpolation method is utilized for performing an interpolation on a source image to obtain a destination image. The image interpolation method includes performing a domain transformation on a plurality of pixels of the source image to generate a plurality of first coefficients and a plurality of second coefficients; respectively determining an data interrelationship degree in at least one direction of each first coefficient to generate a plurality of direction results; performing a first interpolation process on the plurality of first coefficients according to the plurality of direction results to generate a plurality of first destination coefficients; performing a second interpolation process on the plurality of second coefficients to generate a plurality of second destination coefficients; performing a reverse domain transformation on the plurality of first destination coefficients and the plurality of second destination coefficients to obtain the destination image.
    Type: Application
    Filed: July 14, 2014
    Publication date: January 14, 2016
    Inventors: Lin ZHA, Chun-Wei CHEN, Yuanjia DU, Chun WANG
  • Publication number: 20150355733
    Abstract: There is provided an input device including at least one input unit, a trigger detection unit, a storage unit and an analysis and processing unit. The at least one input unit is for inputting a plurality of trigger events by a user. The trigger detection unit is configured to detect the trigger events of the at least one input unit and generate a trigger signal corresponding to each of the trigger events. The storage unit is configured to record an operating condition associated with the user. The analysis and processing unit is configured to analyze an operating pattern of the trigger signals and determine a warning time according to the operating condition and the operating pattern.
    Type: Application
    Filed: August 18, 2015
    Publication date: December 10, 2015
    Inventors: YEN-MIN CHANG, CHUN-WEI CHEN
  • Publication number: 20150357517
    Abstract: A light emitting device is provided with a growing base having specific geometry to prevent delamination between the encapsulant and the growing base, and thereby enhance structural reliability of the light emitting device. Furthermore, the light emitting efficiency as well as uniformity of light output of the light emitting device can be improved by forming the side surface of the growing base with at least a curved portion or slanted portion, and uneven structures can be formed on the curved portion or slanted portion to further improve the uniformity of light output. Furthermore, the light emitting diode chips can be fabricated by taking batch processing on the growing substrate, as provided in the wafer-level structure, with the advantages of saving cost, improving yield, etc.
    Type: Application
    Filed: September 22, 2014
    Publication date: December 10, 2015
    Inventors: Chun-Wei Chen, Jen-Chih Li, Shyi-Ming Pan
  • Patent number: 9208544
    Abstract: An image processing apparatus and an image fine-tuning method are provided. The image processing apparatus includes a high-pass filter, a block comparator, an image data reconstructor, and a calculator. The high-pass filter receives a first image to generate a filtered image. The block comparator receives an input image and the first image to generate a block comparison result. The image data reconstructor receives the filtered image and the block comparison result to generate image reconstruction data. The calculator receives the input image and the image reconstruction data to generate an output image.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: December 8, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jian-De Jiang, Jian-Hua Liang, Yuan-Jia Du, Chun Wang, Chun-Wei Chen
  • Patent number: 9189055
    Abstract: A method and an apparatus for performing power consumption management are provided, where the method is applied to an electronic device. The method includes: obtaining current information corresponding to an application from a database, the current information being of at least one current on at least one current path between a battery and at least one portion of the electronic device; and performing battery drain prediction corresponding to the application according to the current information. The method may further include: performing sampling operations to generate a plurality of samples of the current, and more particularly, utilizing an ADC to perform analog-to-digital conversion on a voltage difference corresponding to the current to generate the plurality of samples. The voltage difference can be obtained by probing two terminals of a resistor or a Hall component.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: November 17, 2015
    Assignee: MEDIATEK INC.
    Inventors: Jen-Chieh Yang, Yong-Sheng Lo, Chih-Chieh Chang, Chun-Wei Chen
  • Patent number: 9152242
    Abstract: A transmission interface has a quick burst motion readout mechanism and is configured to be used between a master device and a slave device. The transmission interface includes a trigger channel configured to allow the master device to transmit a trigger signal to the slave device before transmission of data, and includes a data transmission channel provided to the slave device to transmit readable data to the master device after the slave device receives the trigger signal. The master and slave devices are adapted to a predetermined data transmission protocol by which the readable data can be directly transmitted and not accompanied by address data related to the readable data.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: October 6, 2015
    Assignee: Pixart Imaging Inc.
    Inventors: Chun Wei Chen, Yung Chang Lin
  • Publication number: 20150241987
    Abstract: There is provided an electronic device including a plurality of sensing devices and a host. The sensing devices are connected in parallel or series. A part of the sensing devices and the host may remain in a power saving mode or a standby mode in operation so as to reduce the power consumption.
    Type: Application
    Filed: May 14, 2015
    Publication date: August 27, 2015
    Inventors: CHIA-YI LIU, SHIH-WEI KUO, CHUN-WEI CHEN, NIEN-TSE CHEN
  • Patent number: 9092864
    Abstract: A displacement detection method includes the steps of: capturing a first frame and a second frame; selecting a first block with a predetermined size in the first frame and selecting a second block with the predetermined size in the second frame; determining a displacement according to the first block and the second block; comparing the displacement with at least one threshold; and adjusting the predetermined size according to a comparison result of comparing the displacement and the threshold. The present invention further provides a displacement detection apparatus.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: July 28, 2015
    Assignee: PIXART IMAGING INC
    Inventors: Chun-Wei Chen, Ren-Hau Gu, Shih-Wei Kuo
  • Patent number: 9043070
    Abstract: A moving device and a moving control method thereof are provided. The moving control method comprises the following steps. Firstly, a first magnetic field and a second magnetic field are sensed by a moving device within a moving region. A first magnetic stripe generating the first magnetic field is arranged along an outer border of the moving region, and a second magnetic stripe generating the second magnetic field is arranged along an inner border of the moving region. Then, a motion mode is determined and a corresponding motion is performed by the moving device according to an order in which the first magnetic field and the second magnetic field are sensed.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: May 26, 2015
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Lun Ho, Yueh-Ju Pu, Chun-Wei Chen, Wei-Han Wang
  • Patent number: 9035881
    Abstract: An electronic apparatus that can utilize a first report rate to generate a first report rate output signal according to an output signal or can utilize a second report rate smaller than the first report rate to generate a second report rate output signal according to the output signal. The electronic apparatus comprises: a first signal smoothing apparatus; a second signal smoothing apparatus having a smooth ability smaller than the first signal smoothing apparatus and a processing unit, for selecting the first signal smoothing apparatus to process the first report rate output signal when the electronic apparatus utilizes the first report rate to generate signal, and for selecting the second signal smoothing apparatus to process the second report rate output signal when the electronic apparatus utilizes the second report rate to generate signal.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: May 19, 2015
    Assignee: PixArt Imaging Inc.
    Inventors: Chun-Wei Chen, Yen-Chang Wang
  • Publication number: 20150125088
    Abstract: An image processing apparatus and an image fine-tuning method are provided. The image processing apparatus includes a high-pass filter, a block comparator, an image data reconstructor, and a calculator. The high-pass filter receives a first image to generate a filtered image. The block comparator receives an input image and the first image to generate a block comparison result. The image data reconstructor receives the filtered image and the block comparison result to generate image reconstruction data. The calculator receives the input image and the image reconstruction data to generate an output image.
    Type: Application
    Filed: December 26, 2013
    Publication date: May 7, 2015
    Applicant: Novatek Microelectronics Corp.
    Inventors: Jian-De Jiang, Jian-Hua Liang, Yuan-Jia Du, Chun Wang, Chun-Wei Chen
  • Publication number: 20150121152
    Abstract: A multi-core processor system includes a first resource, a first core, a second resource, and a second core. The first core runs a first operating system (OS), and the first resource is allocated to the first OS. The second core runs a second OS, and the second resource is exclusively allocated to the second OS. The first OS and the second OS are designed for running at the same time, and the second OS is configured for monitoring or debugging the first resource, the first core, or the first OS.
    Type: Application
    Filed: October 29, 2014
    Publication date: April 30, 2015
    Inventors: Alpus PC Chen, Chun-Wei Chen, Elysee YH Hsieh, Kelvin Shieh
  • Publication number: 20150116980
    Abstract: The invention is an illumination system comprising a semiconductor light source module. The illumination system comprises a reflector comprising a curved reflective surface, a holder coupled to the reflector, and a semiconductor light source module comprising a first light-emitting unit and a second light-emitting unit. The holder comprises a second holding section and a first holding section disposed between the reflector and the second holding section. The semiconductor light-source module is disposed on the second holding section to face the curved reflective surface. An angle between at least a light-emitting unit and at least a part of the first holding section is formed and ranges from 145 to 175 degrees.
    Type: Application
    Filed: May 2, 2014
    Publication date: April 30, 2015
    Applicants: DJ AUTO COMPONENTS CORP., FORMOSA EPITAXY INCORPORATION
    Inventors: JEN-CHIH LI, LUNG-KUAN LAI, CHUN-WEI CHEN, SHYI-MING PAN, WEI-KANG CHENG, CHUN-CHENG LIN, JUN-FU YANG, CHIH-CHIEH WANG
  • Publication number: 20150097779
    Abstract: A method of adjusting sampling precision of a navigation device is disclosed in the present invention. The sampling precision represents counts per inch (CPI) or dots per inch (DPI) of the navigation device. The method includes determining a predetermined mode of the navigation device, obtaining resolution of a display, and adjusting the sampling precision according to the resolution and the predetermined mode, so that the sampling precision of the navigation device can be accordingly increased and decreased due to variation of the resolution.
    Type: Application
    Filed: February 5, 2014
    Publication date: April 9, 2015
    Applicant: PixArt Imaging Inc.
    Inventors: Yen-Chang Wang, Chun-Wei Chen, Yen-Min Chang
  • Publication number: 20150022360
    Abstract: There is provided an input device including at least one input unit, a trigger detection unit, a storage unit and an analysis and processing unit. The at least one input unit is for inputting a plurality of trigger events by a user. The trigger detection unit is configured to detect the trigger events of the at least one input unit and generate a trigger signal corresponding to each of the trigger events. The storage unit is configured to record an operating condition associated with the user. The analysis and processing unit is configured to analyze an operating pattern of the trigger signals and determine a warning time according to the operating condition and the operating pattern.
    Type: Application
    Filed: June 9, 2014
    Publication date: January 22, 2015
    Inventors: CHUN-WEI CHEN, YEN-MIN CHANG, YIN-HUI LEE, CHUN-CHIH CHEN, YEN-CHANG WANG
  • Patent number: 8926852
    Abstract: The present invention discloses a method for transferring a graphene layer. The graphene layer formed on a metal carrier layer is electrostatically adsorbed on a substrate by electrostatic charges, and then the substrate having the graphene layer formed on the metal carrier layer is immersed in an etching solution to remove the metal carrier layer, thereby completing the transfer of the graphene layer. In addition to being able to provide a simple method for transferring the graphene layer, the present invention further solves a problem of retaining organic residues, thus enhancing electrical properties of the transferred graphene layer.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: January 6, 2015
    Assignees: National Taiwan University, National Taiwan Normal University
    Inventors: Chun-wei Chen, Chia-chun Chen, Di-yan Wang, I-sheng Huang
  • Publication number: 20140375565
    Abstract: There is provided an optical mini-mouse including a mouse case and a navigation module. The mouse case includes a valley and a flat region arranged along a length direction and the valley extends along a width direction. When the mouse case is rotated about the valley, the navigation module is configured to detect a rotation.
    Type: Application
    Filed: December 31, 2013
    Publication date: December 25, 2014
    Applicant: PIXART IMAGING INC.
    Inventors: YIN-HUI LEE, CHUN-WEI CHEN, YEN-MIN CHANG
  • Publication number: 20140372633
    Abstract: An electronic system that can automatically set a report rate, which comprises: a first electronic apparatus; a second electronic apparatus; a transmitting interface, wherein the second electronic apparatus transmits data to the first electronic apparatus via the transmitting interface; and a processing unit, for automatically setting a report rate of the second electronic apparatus or the transmitting interface according to a type of a software program that the first electronic apparatus executes.
    Type: Application
    Filed: December 27, 2013
    Publication date: December 18, 2014
    Applicant: PixArt Imaging Inc.
    Inventors: Chun-Wei Chen, Yen-Min Chang, Yen-Chang Wang
  • Publication number: 20140368433
    Abstract: An electronic apparatus that can utilize a first report rate to generate a first report rate output signal according to an output signal or can utilize a second report rate smaller than the first report rate to generate a second report rate output signal according to the output signal. The electronic apparatus comprises: a first signal smoothing apparatus; a second signal smoothing apparatus having a smooth ability smaller than the first signal smoothing apparatus and a processing unit, for selecting the first signal smoothing apparatus to process the first report rate output signal when the electronic apparatus utilizes the first report rate to generate signal, and for selecting the second signal smoothing apparatus to process the second report rate output signal when the electronic apparatus utilizes the second report rate to generate signal.
    Type: Application
    Filed: October 17, 2013
    Publication date: December 18, 2014
    Applicant: PixArt Imaging Inc.
    Inventors: Chun-Wei Chen, Yen-Chang Wang
  • Publication number: 20140347160
    Abstract: A method of utilizing a palm characteristic to trigger security setting is disclosed in the present invention. The method is applied to a navigation device, and the navigation device is used to control a computer host. The method includes obtaining the palm characteristic, comparing the palm characteristic to a predetermined value, generating a security command according to a comparison, and determining whether to lock control function of the navigation device relative to the computer host by the security command.
    Type: Application
    Filed: October 16, 2013
    Publication date: November 27, 2014
    Applicant: PixArt Imaging Inc.
    Inventors: Chun-Wei Chen, Yen-Min Chang