Patents by Inventor Chun-Chieh Chang

Chun-Chieh Chang 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: 20130248773
    Abstract: In one embodiment, a composition for use in making active materials for a lithium ion battery, the composition comprising a processed, homogenous mix of graphene-treated reactant, conductive material, and a Li and phosphate-based salt, the composition comprising a surface area of less than approximately 10 m2/g.
    Type: Application
    Filed: April 23, 2012
    Publication date: September 26, 2013
    Applicant: CHANGS ASCENDING ENTERPRISE CO., LTD.
    Inventors: Chun-Chieh Chang, Tsun-Yu Chang
  • Publication number: 20130251888
    Abstract: In one embodiment, a method comprising causing motion of an enclosed container comprising substrate material and graphite material within the container; and coating surfaces of the substrate material with the graphite material responsive to the motion of the container, the coated surfaces comprising graphene or graphene layers.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 26, 2013
    Applicant: CHANGS ASCENDING ENTERPRISE CO., LTD.
    Inventors: Chun-Chieh Chang, Tsun-Yu Chang
  • Publication number: 20130249686
    Abstract: A monitoring system includes a flow rate monitor and an alarm. The flow rate monitor includes a pendulum, a first storage unit, a monitoring unit, a first control unit, and a wireless transmitting unit. The monitoring unit determines an angle of an angular movement of the pendulum by detecting the angular movement of the pendulum caused by movement of a moving medium, and generates a signal associated therewith. The first control unit generates a warning signal when the angle detected is equal to or larger than an angle threshold value stored in the first storage unit, and controls the wireless transmitting unit to transmit the warning signal to the alarm to perform a warning alarm. A related flow rate monitor and a related method are also provided.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 26, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHUN-CHIEH CHANG
  • Patent number: 8497846
    Abstract: A method for double click detection includes the following steps. Firstly whether first event is detected is determined, if so, first corresponding position is obtained, a period counting is triggered, and first flag is set. Then whether the period ends is judged; if not and the first flag exists, a counter is incremented and second flag is set when first ending event is detected; if not and the second flag exists, second corresponding position is obtained and third flag is set when second event is detected; if not and the third flag exists, the counter is incremented when second ending event is detected; if so, a double click event is determined when the incremented value is greater than a threshold and a distance between the first and the second positions is smaller a threshold.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: July 30, 2013
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chun-Chieh Chang, Hui-Hung Chang, Chih-Chang Lai
  • Patent number: 8414856
    Abstract: A unit for use within a furnace chamber having a gaseous environment of air, for carrying out a synthesizing process for synthesizing precursors to form a synthesized product at elevated temperatures. The materials of the synthesizing process are separated from the air of the furnace chamber by the vessel or the reductive material.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: April 9, 2013
    Inventors: Chun-Chieh Chang, Tsun-Yu Chang
  • Patent number: 8383264
    Abstract: A cover assembly for a Lithium-ion battery container to improve the durability of the battery. A high pressure injection molded polymer is combined with flanges disposed on the current collecting posts of the battery to provide an improved seal for the battery cover, especially at the interface of the cover and the current collecting posts. The injection molded polymer is fused to the flanges, current collecting posts and container cover to result in a diffusion path of increased length for gases and/or liquids which are known to enter or escape from battery containers. Additional polymer layers can be applied to the assembly to further improve the seal.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: February 26, 2013
    Inventors: Han Cheng Kuo, Chun-Chieh Chang, Tsun-Yu Chang
  • Publication number: 20120249086
    Abstract: In one embodiment, a method implemented by a processor, comprising receiving voltage values corresponding to a battery system, receiving charge values corresponding to charge flowing through the battery system, and determining a state of charge based on specified anchoring points of a charge integration, the anchoring points based on the received voltage and time.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 4, 2012
    Applicant: CHANGS ASCENDING ENTERPRISE CO., LTD.
    Inventors: Chun-Chieh Chang, Tsun Yu Chang
  • Publication number: 20120248881
    Abstract: In one embodiment, a battery management system comprising a first circuit comprising a first plurality of circuit elements arranged in series, the first plurality of circuit elements comprising: a direct current (DC) voltage source, and first plural switching devices, each of the first plural switching devices connected to, and operably switched by, a first detection device associated with a battery module to cause a voltage difference responsive to detection of an event corresponding to operation of the battery module.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 4, 2012
    Applicant: CHANGS ASCENDING ENTERPRISE CO., LTD.
    Inventors: Tsun Yu Chang, Chun-Chieh Chang
  • Publication number: 20120194445
    Abstract: A moving point gesture determination method is disclosed for a touch sense device mapped to a screen according to absolute position. The moving point gesture determination method includes steps of comparing one or more signal values of one or more detecting signals generated by the touch sense device with one or more threshold values, to determine whether any touch event occurs, and determining that a moving point gesture occurs once the determination indicates that a touch event occurs.
    Type: Application
    Filed: July 27, 2011
    Publication date: August 2, 2012
    Inventors: Hui-Hung Chang, Chun-Chieh Chang, Chih-Chang Lai
  • Publication number: 20120177985
    Abstract: A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation.
    Type: Application
    Filed: March 19, 2012
    Publication date: July 12, 2012
    Inventors: Han Cheng Kuo, Tsun-Yu Chang, Chun-Chieh Chang
  • Patent number: 8217625
    Abstract: A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in electric and hybrid vehicles and the like.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: July 10, 2012
    Inventors: Chun-Chieh Chang, Tsun-Yu Chang, Olivia Pei-Hua Lee
  • Publication number: 20120162100
    Abstract: Disclosed is a click gesture determination method for a touch control chip capable of simply and flexibly determining a single click gesture. The click gesture determination method includes steps of comparing one or more signal values of one or more detecting signals with one or more threshold values, to determine whether a touch event occurs, continuing the above comparing if a touch event occurs, to detect a continuous occurrence time of the touch event, and comparing the continuous occurrence time with a first predefined time, and determining that a single click gesture occurs for a result of the comparison that the continuous occurrence time is longer than the first predefined time.
    Type: Application
    Filed: April 25, 2011
    Publication date: June 28, 2012
    Inventors: Chun-Chieh Chang, Chih-Chang Lai
  • Publication number: 20120148907
    Abstract: An electrode structure of a lithium battery is provided for electrically connecting a positive pole and a negative pole in a tank of the lithium battery to the external. The electrode structure includes a lid body and at least one electrode body made of sheet metal material. The electrode body has a wrapped portion disposed in the lid body, two ends of the wrapped portion form bent portions respectively, and a connection portion and an output portion extend respectively from the bent portions to protrude from a surface of the lid body. A conductive electrode structure of the lithium battery is formed by wrapping instead of direct penetrating, thus achieving a hermetic effect of conductive positions of the electrode.
    Type: Application
    Filed: September 12, 2011
    Publication date: June 14, 2012
    Inventors: Tsun-Yu CHANG, Chun-Chieh Chang, Ting-Keng Lin
  • Publication number: 20120146927
    Abstract: A method for detecting a single-finger rotation gesture and a gesture detecting circuit thereof are provided. The gesture detecting circuit comprises a quadrant dividing unit, a register, a control unit, a comparing unit, and an outputting unit. The quadrant dividing unit, according to the center point, divides a touch panel into at least three quadrants and sets a plurality of data codes respectively corresponding to the quadrants. Within a predetermined time, the control unit controls the register to sequentially record the data codes respectively corresponding to the touched quadrants. When the predetermined time is reached, the comparing unit compares to judge whether the temporary data buffered in the register is the same with the default data. If the temporary data is the same with the default data, then the outputting unit outputs a rotation gesture signal.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 14, 2012
    Applicant: NOVATEK MICROELECTRONICS CORP
    Inventors: Hui-Hung CHANG, Chun-Chieh Chang, Chih-Chang Lai
  • Patent number: 8163421
    Abstract: A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: April 24, 2012
    Inventors: Tsun-Yu Chang, Chun-Chieh Chang, Han Cheng Kuo
  • Patent number: 8159191
    Abstract: A rechargeable battery system having a plurality of cells in series circuits for high voltage applications. Cells, cell sets and cell packs in series circuits are protected from over-charging with self-discharging devices. The rechargeable battery system is protected from over-charging and over-discharging and charging is controlled to be resumed by an over-charge/over-discharge printed circuit board or the charger.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: April 17, 2012
    Inventors: Tsun-Yu Chang, Chun-Chieh Chang
  • Patent number: 8158071
    Abstract: A unit for use within a furnace which is absent a controlled atmosphere, for carrying out a synthesizing process for synthesizing precursors to form a synthesized product at elevated temperatures. The unit consists of a vessel, having at least one opening, for containing materials of the synthesizing process, and a solid reductive material. The materials of the synthesizing process are separated from the atmosphere of the furnace by either the vessel or the reductive material. The unit is especially suited for synthesizing LiFePO4 from Fe2O3, Li2CO3, carbon black, and phosphoric acid precursors.
    Type: Grant
    Filed: April 29, 2006
    Date of Patent: April 17, 2012
    Inventors: Chun-Chieh Chang, Tsun-Yu Chang
  • Publication number: 20120068947
    Abstract: A method for double click detection includes the following steps. Firstly whether first event is detected is determined, if so, first corresponding position is obtained, a period counting is triggered, and first flag is set. Then whether the period ends is judged; if not and the first flag exists, a counter is incremented and second flag is set when first ending event is detected; if not and the second flag exists, second corresponding position is obtained and third flag is set when second event is detected; if not and the third flag exists, the counter is incremented when second ending event is detected; if so, a double click event is determined when the incremented value is greater than a threshold and a distance between the first and the second positions is smaller a threshold.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 22, 2012
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventors: Chun-Chieh Chang, Hui-Hung Chang, Chih-Chang Lai
  • Publication number: 20120052365
    Abstract: A sealing system for a Lithium-ion battery to extend the service life of the battery. The sealing system provides, in addition to an external case of the battery, at least one additional layer of hermetic sealing for cells within the external battery case. Films of various plastics, provided in a single layer or in a combination of layers, are used for assembling hermetically sealed enclosures for the cells.
    Type: Application
    Filed: August 27, 2010
    Publication date: March 1, 2012
    Inventor: Chun-chieh Chang
  • Patent number: D665365
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: August 14, 2012
    Assignee: Lite-On Technology Corporation
    Inventors: Yi-Fei Lee, Chen-Hsiu Lin, Chun-Chieh Chang