Patents by Inventor Hua-Dong Cheng

Hua-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: 20140089845
    Abstract: An apparatus capable of switching displayed pictures in response to a slide gesture by a user includes a display screen for displaying a zoomed in current picture, a touch determining unit, a picture processing unit, a control unit, a time calculating unit, and a calculating unit. The picture processing unit determines a width value of the current picture and a distance between a side of the current picture and an edge of the display screen adjacent to the side. The control unit controls the display screen to only display the target picture if a ratio of the distance to the width is equal to or greater than a predetermined ratio, and controls the display screen to only redisplay the current picture if a time duration of a slide gesture from beginning to ending is smaller than a predetermined time period. A related method is also provided.
    Type: Application
    Filed: January 5, 2013
    Publication date: March 27, 2014
    Inventors: HAI-SEN LIANG, CHIH-SAN CHIANG, SHI-NING YANG, XIANG HE, HUA-DONG CHENG
  • Publication number: 20140085223
    Abstract: An apparatus capable of switching displayed pictures in response to a slide gesture by a user includes a display screen for displaying an enlarged current picture, a touch determining unit, a picture processing unit, a control unit, a time calculating unit, and a calculating unit. The picture processing unit determines a width value of the current picture and a distance between a side of the current picture and an edge of the display screen adjacent to the side. The control unit controls the picture processing unit to obtain the target picture and controls the display screen to only display the target picture if a time duration of a slide gesture from beginning to ending is equal to or greater than a predetermined time period and a ratio of the distance to the width is equal to or greater than a predetermined ratio. A related method is also provided.
    Type: Application
    Filed: January 14, 2013
    Publication date: March 27, 2014
    Inventors: HAI-SEN LIANG, CHIH-SAN CHIANG, LING-JUAN JIANG, HUA-DONG CHENG
  • Publication number: 20140068495
    Abstract: An apparatus for processing handwriting input includes a touch display unit, a touch display control unit, a storage unit, a calculating unit, and a processing unit. The touch display control unit determines a character in response to a character operation by an input device, and a height and a width of an imaginary rectangle sized to fittingly encircle the character. The calculating unit enlarges the height of the imaginary rectangle by adding a given value to the height of the imaginary rectangle if the height of the imaginary rectangle is smaller than a predetermined value. The processing unit resizes the character displayed within the enlarged imaginary rectangle by a first scaling factor. The touch display control unit controls the touch display unit to display the resized character in one of rows of a character display portion provided by the touch display unit. A related method is also described.
    Type: Application
    Filed: October 30, 2012
    Publication date: March 6, 2014
    Inventors: XIANG HE, CHIH-SAN CHIANG, TE-JIA LIU, HAI-SEN LIANG, HUA-DONG CHENG, HAI-JUN MAO, XIAO-GUANG LI
  • Patent number: 8664890
    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: Grant
    Filed: November 24, 2010
    Date of Patent: March 4, 2014
    Assignees: 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: 20140043255
    Abstract: A page zooming method for an electronic device having a touch screen includes the following steps. Display an image on the touch screen. Generate operation signals in response to a user's touch operation applied on the touch screen when the touch screen displays the image. Determine a touch region of the touch operation, so as to determine the touch operation as a type of an image zooming gesture according to the determined touch region, and the type of the image zooming gesture is selected from a group consisting of a zooming in gesture and a zooming out gesture. Create a zoomed image according to the displayed image, a predetermined zooming ratio and the determined type of the image zooming gesture. And display the zoomed image on the touch screen. An electronic device using the image zooming method is also provided.
    Type: Application
    Filed: March 4, 2013
    Publication date: February 13, 2014
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: TE-JIA LIU, CHIH-SAN CHIANG, HAI-SEN LIANG, HUA-DONG CHENG
  • Publication number: 20140002383
    Abstract: An electronic device includes a storage unit, a touch input unit, a display unit, and a processor. The storage unit stores a relationship table recording a mapping relationship between touch inputs and a number of commands associated with the touch inputs. The touch input unit generates signals in response to user's touch input. The processor includes a control module and an identification module. The control module controls displaying the sensed handwritten content on the display unit. The identification module recognizes the touch input of the sensed handwritten content and identifies if the touch input of the recognized handwritten content is associated with a command according to the signals and the relationship table. The control module also controls the electronic device to execute the associated command.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 2, 2014
    Inventors: KUAN-HONG HSIEH, CHIH-SAN CHIANG, HAN-CHE WANG, HUA-DONG CHENG
  • Publication number: 20140002379
    Abstract: An electronic device includes a storage unit, a touch screen, and a processor. The storage unit stores a relationship table recording a mapping relationship between touch inputs and a number of commands. The touch screen includes a command input region for generating signals in response to user's handwritten touch input. The size of the command input region is smaller than the size of the touch screen. The processor includes an image processing module, an identification module, and a control module. The image processing module creates an image of touch input according to the generated signals. The identification module identifies the touch input of the user according to the generated signals, and retrieves a command associated with the touch input. The control module controls displaying the created image of the touch input on the command input region, and controls the electronic device to execute the retrieved command.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 2, 2014
    Inventors: KUAN-HONG HSIEH, CHIH-SAN CHIANG, HAN-CHE WANG, HUA-DONG CHENG
  • Patent number: 8587524
    Abstract: A remote control comprises a button generating control signals; a transmission unit configured to transmit the control signals to an electronic reader; a microprocessor unit configured to analyze an operation type according to the control signals and generate operation signals corresponding to the operation type to signal the electronic reader to flip page. A remote control method applied in a remote control of an electronic reader is also provided.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 19, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Kuan-Hong Hsieh, Han-Che Wang, Bo-Ching Lin, Xin Zhao, Hua-Dong Cheng, Lu Pan
  • Patent number: 8552680
    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: Grant
    Filed: August 31, 2010
    Date of Patent: October 8, 2013
    Assignees: 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: 20130162820
    Abstract: A street light includes a post, a light source mounted on the post, a communicating unit, a button unit, a camera unit, a storage unit, and a central control unit. The communicating unit communicates with a server which includes an alarm system. The button unit and the camera unit are mounted on the post. The central control unit enables the camera unit to take photo of an area adjacent to the street light in response to manual operation of the button unit. The storage unit stores location information of the street light and the photos taken by the camera unit. The central control unit further transmits the photo and the location information obtained from the storage unit to the server via the communication unit. A related method is also provided.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 27, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShnZhen) CO., LTD.
    Inventors: CHIH-SAN CHIANG, HAN-CHE WANG, HUA-DONG CHENG, LI-ZHANG HUANG
  • Publication number: 20130152024
    Abstract: A page zooming method for an electronic device having a touch screen and a storage unit is provided. The method includes the following steps: generating operation signals in response to a touch operation applied on a page displayed on the touch screen; determining the touch operation being a zooming gesture if the touch operation comprising a press operation and a slide operation at a same time; determining the slide direction and determining the type of the zooming gesture according to the determined slide direction of the slide operation, the type of the zooming gesture comprising a zooming in gesture and a zooming out gesture; creating a zoomed page of the page displayed on the touch screen according to the type of the zooming gesture; and displaying the zoomed page on the touch screen. An electronic device using the page zooming method is also provided.
    Type: Application
    Filed: October 24, 2012
    Publication date: June 13, 2013
    Inventors: HAI-SEN LIANG, CHIH-SAN CHIANG, HUA-DONG CHENG, HAN-CHE WANG, HAI-JUN MAO, TE-JIA LIU
  • Publication number: 20130152006
    Abstract: An electronic device capable of simulating page flip effect includes an input unit, a display unit, a page flip control module and a thickness control module. The input unit generates a flip-page instruction in response to a user's operation. The display unit displays an electronic document in a page flipping format which includes a currently displayed page and a margin portion adjacent to the currently displayed page, and the margin portion includes a plurality of displayed stacked margins of undisplayed pages. The margins cooperatively resemble a thickness of the undisplayed pages. The page flip control module flips the currently displayed page over in response to the flip-page instruction to display a page flipping effect on the display unit. The thickness control module adds or removes a margin displayed in the margin portion, in response to the flip-page instruction to present a variation of the thickness of the undisplayed pages accordingly.
    Type: Application
    Filed: October 25, 2012
    Publication date: June 13, 2013
    Inventors: LING-JUAN JIANG, CHIH-SAN CHIANG, HAI-SEN LIANG, JI LI, HUA-DONG CHENG, HAN-CHE WANG
  • Publication number: 20130141359
    Abstract: A page flipping method for an electronic device is provided. An exemplary method includes the following steps: displaying an interface comprising a page preview region and a page flipping region; displaying a page on the page flipping region, and displaying an icon group comprising a plurality of icons on the page preview region; determining whether a flipping gesture is applied on the page flipping region; determining the type of the flipping gesture; determining a page flipping manner according to the determined result of the gesture and a function table, and retrieving a corresponding target page according to the determined page flipping manner; creating a new icon group according to the retrieved target page; and displaying the target page on the page flipping region, and displaying the created new icon group on the page preview region. An electronic device using the page processing method is also provided.
    Type: Application
    Filed: October 12, 2012
    Publication date: June 6, 2013
    Inventors: HUAI-YANG LONG, CHIH-SAN CHIANG, YUN ZHAO, YUE-FENG YE, HUA-DONG CHENG, HAN-CHE WANG
  • Publication number: 20130145315
    Abstract: An electronic device with multi-window displaying function includes an input unit, a storage unit, a display unit, and a processing unit. The processing unit includes an input responding module, a multi-window controlling module, and a display driving module. In a multi-window reading mode, the input responding module responds to a multi-window displaying command from the input unit; the multi-window controlling module controls the display unit to display multi sub-windows in a size corresponding to the number of windows to be displayed in each multi-window mode, and drives the display unit to display a first file on a first sub-window, the display driving module drives the display unit to display another file on other sub-windows according to user input.
    Type: Application
    Filed: November 28, 2012
    Publication date: June 6, 2013
    Inventors: HAI-BO ZHOU, CHIH-SAN CHIANG, MIN YANG, HUA-DONG CHENG
  • Publication number: 20130132245
    Abstract: A charging management system applied in a public facility includes a communicating unit communicating with a server with an online payment system, a charge interface, a power converting unit, a billing unit, and a control unit. The power converting unit converts power provided by a power supply to charge an electronic device connected to the charge interface. The control unit generates an electronic bill according to a charging cost computed by the billing unit, sends the electronic bill to the server, and communicates with the online payment system of the server to pay for the electronic bills. A related method is also provided.
    Type: Application
    Filed: December 5, 2011
    Publication date: May 23, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: Kuan-Hong HSIEH, Chih-San CHIANG, Han-Che WANG, Hua-Dong CHENG, Li-Zhang HUANG
  • Publication number: 20130122877
    Abstract: A method for displaying a contact list of a mobile terminal in order of priority levels is provided. The method includes steps: receiving an incoming call or message; obtaining an incoming phone number of the received call or message; finding out a calling contact associated with the incoming phone number on a contact list of the mobile terminal; obtaining remaining phone numbers associated with the calling contact; setting priority levels for all the phone numbers associated with the calling contact; and displaying all the phone numbers associated with the calling contact in an order of decreasing priority levels from high to low on a display screen of the mobile terminal A related mobile terminal is also provided.
    Type: Application
    Filed: June 20, 2012
    Publication date: May 16, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD, HON HAI PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20130111334
    Abstract: A page processing method for an electronic device with a touch screen is provided. The method includes the following steps: displaying a page of content on the touch screen, the displayed page consisting of a number of regions comprising a center region and a plurality of peripheral regions surrounding the center region; detecting a touch operation on the displayed page and generating a signal associated therewith; determining the touched region where the touch operation occurs; determining whether the touch operation is a mode switching operation according to the signal; and controlling the electronic device to switch between a browsing mode and a zooming mode according to the signal and the location of the touched region on the displayed page, if the touch operation is a mode switching operation. An electronic device using the page processing method is also provided.
    Type: Application
    Filed: May 7, 2012
    Publication date: May 2, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: HAI-SEN LIANG, CHIH-SAN CHIANG, LING-JUAN JIANG, XIANG HE, HUA-DONG CHENG, HAN-CHE WANG
  • Publication number: 20130091474
    Abstract: An electronic device includes a storage unit, a touch display unit and a central processing unit. The central processing unit includes a control module, a searching module, and a spit-screen module. The control module generates a first window on the touch display unit to display a text document when the text document is opened, and determines a selected text of the displayed text document by a user according to touch positions when the touch display unit is touched. The searching module searches occurrences of the selected text in the text document, and the control module stores the searched text in the storage unit. The spit-screen module displays each occurrence of the selected text on a second window produced thereby with a size thereof smaller than that of the first window. A related method is also provided.
    Type: Application
    Filed: November 24, 2011
    Publication date: April 11, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: TE-JIA LIU, CHIH-SAN CHIANG, HAI-SEN LIANG, HAI-JUN MAO, HUA-DONG CHENG, HAN-CHE WANG
  • Publication number: 20130050277
    Abstract: A data transmitting device communicating with a data receiving device includes a touch display unit displaying a plurality of icons and a control unit. The controlling module determines a first starting position, a touch path, and a first end position of a touch of a user, and a selected icon according to the first starting position, and calculates a transmission progress of data transmission. When the first end position is located on the predetermined position, the data corresponding to the selected icon and position information associated with the first starting position, the touch path, and the first end position are transmitted to the data receiving device. The selected icon is moved from the first starting position to the first end position along the touch path according to the transmission progress. A data transmitting device and a data transmitting media are also provided.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 28, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20130054753
    Abstract: An electronic device includes a communication unit communicate with a network, a processing unit, and a storage unit. The processing unit controls the communication unit to transmit keywords to the network in response to user input, and controls the communication unit to transmit a download request of addresses of searched content of the network to target mobile terminal(s) selected from at least one mobile terminal communicating with the communication unit. The download request searches the network for content associated with the download addresses, the searched content are downloaded to the target mobile terminal(s).
    Type: Application
    Filed: November 24, 2011
    Publication date: February 28, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen)CO., LTD.
    Inventors: HUAI-YANG LONG, CHIH-SAN CHIANG, YUN ZHAO, YUE-FENG YE, HUA-DONG CHENG, HAN-CHE WANG