Patents by Inventor Dong Cheng

Dong Cheng 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: 20120036349
    Abstract: A customer terminal is provided. The customer terminal includes a receiving module and a decryption module. The receiving module receives an encrypted digital content from a database server connected thereto. A predetermined encryption key encrypts the encrypted digital content. The decryption module decrypts the encrypted digital content utilizing hardware information from the customer terminal. A database server and a protection method are also provided to prevent an unauthorized customer terminal from copying digital contents.
    Type: Application
    Filed: December 13, 2010
    Publication date: February 9, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY(ShenZhen) CO., LTD.
    Inventors: ZHAO-PING ZHANG, HUA-DONG CHENG, CHIH-SAN CHIANG, HAN-CHE WANG
  • Patent number: 8090569
    Abstract: A method for testing electronic apparatuses is provided. The method includes: reading an identification (ID) of an emulator adapter; searching for the script name in a test table according to the ID; fetching the script from a storage according to the determined script name and running the fetched script to pass each of input commands; and receiving and identifying each of the input commands to simulate a key input via an electrical conductive path, correspondingly to the input command, of the emulator adapter, such that an input key corresponding to the key input of the to-be-tested electronic apparatus is activated and the to-be-tested electronic apparatus performs a function associated with the input key correspondingly. A related test apparatus is also provided.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: January 3, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Hua-Dong Cheng, Feng Zhou, Bin-Gang Duan, Zhi-Xin Xu, Ruey-Shyang You, Han-Che Wang
  • Publication number: 20110309765
    Abstract: An LED display device providing current correction includes a number of LED modules, a microprocessor, and a storage unit storing a standard voltage value. The correction sequence begins with each of the plurality of LED modules entering a work state in sequence, outputting a feedback voltage indicating work current of one of the LED modules to the microprocessor in sequence, comparing the feedback voltage with the standard voltage, adjusting the current of the LED module if the feedback voltage does not equal the standard voltage.
    Type: Application
    Filed: November 24, 2010
    Publication date: December 22, 2011
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, HUA-DONG CHENG
  • Patent number: 8073146
    Abstract: An audio test apparatus, and an exemplary audio test method that includes: processing an audio file through two independent channels; outputting no signals from a left channel and from a right channel in a first time period; receiving noise signals from the left and right channels; outputting single-frequency signals from the left channel only in a second time period; receiving the single-frequency signals from the left channel and crosstalk signals from the right channel; outputting multi-frequency signals from the left and right channels in a third time period; receiving the multi-frequency signals from the left and right channels; outputting single-frequency signals from the right channel only in a fourth time period; receiving the crosstalk signals from the left channel and the single-frequency signals from the right channel; and testing parameters according to the signals received during the four time periods.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: December 6, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Hua-Dong Cheng, Wen-Chuan Lian, Yao Zhao, Jian Sun, Peng Chen, Wen-Sheng Tsai
  • Publication number: 20110285644
    Abstract: An electronic device includes a display unit and a touch panel. The display unit includes at least two display areas, wherein each of the display areas has a unique operation frequency. The touch panel is installed in front of the display unit and includes at least two touch areas corresponding to the display areas, each of the touch areas is scanned with a unique scan frequency corresponding to the unique operation frequency of the corresponding display area. Through partition design for the GUI, the electronic device can respectively scan the touch areas, which replace the existing scanning method to scan the whole touch panel, and it is more efficient.
    Type: Application
    Filed: November 11, 2010
    Publication date: November 24, 2011
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    Inventors: LING CHANG, HUA-DONG CHENG, CHIH-SAN CHIANG, HAN-CHE WANG
  • Patent number: 8065622
    Abstract: A displaying device includes an input unit, a region defining unit, a content allocating unit, an obtaining unit, a display controlling unit and a display unit. The region defining unit defines regions by incorporating one or more unit regions in each of the regions according to users' selections and generates region defining information. The content allocating unit allocates contents for the regions according to the users' selections and generates content allocating information. The obtaining unit obtains the region defining information, the content allocating information, and contents according to the content allocating information, and then transmits the information and contents to the display controlling unit. The display controlling unit splits a display area of the display unit into the regions defined by the region defining unit and displays the contents in the regions correspondingly according to the content allocating information. Related methods are also provided.
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: November 22, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiao-Guang Li, Kuan-Hong Hsieh, Han-Che Wang, Li Wang, Shin-Hong Chung, Hua-Dong Cheng
  • Patent number: 8050422
    Abstract: A audio test method for decreasing noise influence, which includes the following steps: obtaining analog signals; converting the analog signals into digital signals; intercepting digital signals of a first predetermined length and executing a first Fast Fourier Transform (FFT), then obtaining an first Fourier spectrum; recording the amplitudes of frequency values of the first Fourier spectrum; intercepting digital signals of a second predetermined length and executing the second FFT, then obtaining an second Fourier spectrum; recording the amplitudes of the frequency values belonging to odd points of the second frequency spectrum, which are the amplitudes of the noise composition; subtracting the amplitudes of the noise composition from the amplitudes of frequency values of the first Fourier spectrum and obtaining a frequency domain signals without noise composition; executing inverse Fast Fourier Transform (iFFT) for the frequency domain signals and obtaining time domain signals, testing each parameter of th
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: November 1, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yao Zhao, Hai-Sheng Li, Hua-Dong Cheng, Wen-Chuan Lian, Han-Che Wang, Kuan-Hong Hsieh
  • Publication number: 20110248967
    Abstract: An electronic reader includes a first display, a second display, a hinge, a comparing unit, a first sensor, a second sensor, and a swipe page unit unit. The hinge is rotatably connected to the first display and the second display. The first sensor is used for sensing the angle which the first display rotates relative to the hinge. The second sensor is used for sensing the angle which the second display rotates relative to the hinge. The comparing unit compares the rotation angles of the first display and the second display to obtain a comparison result. The swipe page unit turns one or more pages based on the comparison result and updates the first display and the second display accordingly. The disclosure also discloses a method of turning pages.
    Type: Application
    Filed: October 27, 2010
    Publication date: October 13, 2011
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD .
    Inventors: HAN-CHE WANG, KUAN-HONG HSIEH, HUA-DONG CHENG
  • Patent number: 8001674
    Abstract: An exemplary automatic disassembly machine is used for detaching a cover from a main body of a portable electronic device. The cover defines a hole therein. The automatic disassembly machine includes a holder, a mechanical hand, a power source, and a controller. The mechanical hand is fixed on the holder. The mechanical hand has an inserting element, and a positioning element. The inserting element is configured for inserting into the hole of the cover and lifting the cover up from the portable electronic device. The positioning element is configured for positioning the cover. The power source connects to the mechanical hand for driving the mechanical hand. The controller connects to the mechanical hand and the power source for respectively controlling the positioning element and the inserting element to detach the cover from the portable electronic device.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: August 23, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Kun Chen, Chin-Tsan Huang, Dong-Cheng Liu
  • Patent number: 8001426
    Abstract: A method for automatically diagnosing malfunction in device is provided. The method includes: acquiring a sort identification code from a hardware code of the malfunctioning device connected to the diagnostic apparatus; determining the access address of the diagnostic program on the server according to the determined sort identification code in a diagnostic program access address table; accessing the diagnostic program from the server according to the determined access address of the diagnostic program; applying the diagnostic program to the malfunctioning device to generate a diagnosis; and generating a diagnostic report of the generated diagnosis.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: August 16, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Hua-Dong Cheng, Han-Che Wang
  • Patent number: 7996111
    Abstract: A robotic device in accordance with a plurality of embodiments is provided. The robotic device generally includes a plurality of groups of sensing devices for sensing environmental events; a plurality of controllers for recognizing the environmental events and generating corresponding commands; a plurality of driving devices for driving the robotic device to respond to the environmental events under control of the commands; at least one communication line for communication between the controllers; at least one power line for transmitting power to the sensing devices, the controllers and the driving devices; a plurality of ground lines; a plurality of branches extending out from the communication line, the power line and the ground lines; and a plurality of connectors for connecting the controllers to the branches.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: August 9, 2011
    Assignees: Ensky Technology (Shenzhen) Co., Ltd., Ensky Technology Co., Ltd.
    Inventors: Hua-Dong Cheng, Han-Che Wang, Xiao-Guang Li, Tsu-Li Chiang, Kuan-Hong Hsieh
  • Publication number: 20110187311
    Abstract: An electronic device includes a first rechargeable battery, a solar cell mounted on the electronic device, a second rechargeable battery and a power management circuit. The power management circuit includes a control module, a DC/DC module, a switch and a power supply switching module. The DC/DC module is configured for converting the DC power generated by the solar cell from one voltage level to another, and activating and maintaining the activation of the control module. The switch is turned on by the control module when the control module is activated, causing the DC power from the DC/DC module to charge the second rechargeable battery. The power supply switching module is controlled by the control module to select the second rechargeable battery to power the electronic device if the voltage level of the rechargeable battery is lower than that of the second rechargeable battery.
    Type: Application
    Filed: August 31, 2010
    Publication date: August 4, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO.,LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: XIN ZHAO, HUA-DONG CHENG, RUEY-SHYANG YOU, HAN-CHE WANG, XIAO-GUANG LI, KUAN-HONG HSIEH
  • Publication number: 20110148939
    Abstract: A method for adjusting a contrast of an electrophoretic display (EPD) includes: displaying a full white image and detecting the light intensity of the full white image; displaying a full black image and detecting the light intensity of the full black image; computing the ratio of the detected light intensity of the full white image and the detected light intensity of the full black image to obtain a contrast; comparing the contrast with a predetermined contrast value or range; and adjusting the contrast to an adjusted contrast matching the predetermined contrast or falling within a predetermined contrast range if the contrast of the second display area does not match the predetermined contrast or fall within the predetermined contrast range. A related display device and EPD are also provided.
    Type: Application
    Filed: August 4, 2010
    Publication date: June 23, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, HUA-DONG CHENG
  • Publication number: 20110141145
    Abstract: An electronic device includes a display screen, a processing unit, and a touch panel. The touch panel includes touch sensitive units, and each touch sensitive unit can be identified by an unique coordinate. The processing unit determines whether first two touch sensitive points are touched at the same time, and further determines whether two more touch sensitive points are also touched at the same time within a preset time interval. The processing unit calculates distance between the first two touched points and then a distance between the second two touched points. The processing unit compares the first distance value with the second distance value, and zooms in or zoom out a displayed image according to the result. A related method is also provided.
    Type: Application
    Filed: May 12, 2010
    Publication date: June 16, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: HAI-SEN LIANG, TE-JIA LIU, HUA-DONG CHENG, CHIH-SAN CHIANG, HONG-GANG LI, DONG-CHAO YANG
  • Patent number: 7949899
    Abstract: An electronic apparatus testing method is provided. The method includes the step of: reading a product ID of the electronic apparatus when the electronic apparatus is connected to a control apparatus; determining the device type ID from the product ID, wherein the product ID comprises basic information of the electronic apparatus, determining the script files of the functions of the electronic apparatus in the testing table according to the device type ID; obtaining the script files from a data storage and running the script files to test functions of the electronic apparatuses, sending a control instruction to the corresponding measuring device of the function to control the measuring device test the function during the process of running the script files; and displaying test results through a display of the control apparatus.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: May 24, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Peng Chen, Yao Zhao, Hua-Dong Cheng, Wen-Chuan Lian, Han-Che Wang, Kuan-Hong Hsieh
  • Publication number: 20110109569
    Abstract: A method for controlling light-emitting diode (LED) backlight modules applied in an electronic device is provided. The electronic device includes a first display and a second display. The second display includes at least two display areas. Each display area corresponds to one LED backlight module, and each display area displays option icons of an option type. The method includes: determining the file type of a file currently displayed on the first display and determining which of the option types the determined file type corresponds to; determining which of the at least two LED backlight modules the at least one determine option type corresponds to; and outputting control signals to turn on at least one of the determined LED backlight modules. A related electronic device is also provided.
    Type: Application
    Filed: July 21, 2010
    Publication date: May 12, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: HUA-DONG CHENG, HUI YIN, XIAO-GUANG LI, HAN-CHE WANG, KUAN-HONG HSIEH, CHUAN-HONG WANG
  • Publication number: 20110074363
    Abstract: A method for preventing fake charging of an electronic apparatus is provided. The method includes: providing a power management table for setting function units for each power range; activating a fake charging preventing function according to a predetermined condition or an activating operation of users; detecting power of the electronic apparatus every a first predetermined time interval; determining a current power range the detected power falls into; determining whether the current power range is changed; beginning to time when the current power range is changed; activating function units which are disabled and whose power range is the current power range when the timing reaches a second predetermined time interval and the detected power is still in the current power range.
    Type: Application
    Filed: October 26, 2009
    Publication date: March 31, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hua-Dong Cheng, Han-Che Wang
  • Publication number: 20110078629
    Abstract: An electronic device is provided. The electronic device includes an input unit, a display unit and a storage unit. The storage unit stores a product function list and a plurality of UI profile files. Each of the UI profile files defines one display format. A UI (user interface, UI) establishing module activates a function of the electronic device for establishing a UI. A product function list loading module loads the product function list from the storage unit. A product function list parsing module parses the loaded product function list. A user interface profile file loading module selectively loads the UI profile file from the storage unit. A user interface generation module displays the parsed product function list on the display unit according to the display format of the selective UI profile file, and links the generated menu interfaces to generate a series of user interfaces.
    Type: Application
    Filed: November 2, 2009
    Publication date: March 31, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: ZHAO-PING ZHANG, HUA-DONG CHENG, LING CHANG, HAN-CHE WANG
  • Publication number: 20110019301
    Abstract: Various embodiments of the present invention provide systems and methods for signal offset cancellation. For example, a method for error cancellation is disclosed. The method includes: receiving an input signal that includes a second order error component; applying a transfer function to the processed input to reduce the second order error component; and providing an output signal that is the result of applying the transfer function to the input signal.
    Type: Application
    Filed: December 31, 2009
    Publication date: January 27, 2011
    Inventors: Zhengxin Cao, Hao Qiong Chen, Shu Dong Cheng, De Qun Ma, Donghui Wang, Yan Xu
  • Patent number: 7873913
    Abstract: An exemplary content scrolling system includes a display unit for displaying content, a scroll bar for scrolling the displayed content, and a processing unit for scrolling the displayed content based on a scroll input of the scroll bar. The processing unit includes a scroll amount calculating module and a content scrolling module. The scroll amount calculating module is for calculating for calculating a scroll amount mapping to the scroll input according to a particular formula. The content scrolling module is for scrolling the displayed content according to the scroll amount. Related exemplary content scrolling methods are also provided.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: January 18, 2011
    Assignees: Ensky Technology (Shenzhen) Co., Ltd., Ensky Technology Co., Ltd.
    Inventors: Wen-Chuan Lian, Hua-Dong Cheng, Jiang-Yong Zhou