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: 20130009884
    Abstract: An electronic device includes a stylus, a touch screen, and a processing unit. The touch screen includes a plurality of touch spots arranged in a matrix. The stylus includes a flexible and conductive nib including a plurality of flexible sub-nibs, and a body for receiving the nib and sub-nibs. The sub-nibs touching the touch screen causes changes in the charges of the touch spots actually touched. The processing unit determines the number of the touch spots which have been touched according to changes in the charges of the touch spots, and controls the weight or lightness of the corresponding stroke displayed on the touch screen according to the determined number of the touched touch spots.
    Type: Application
    Filed: August 25, 2011
    Publication date: January 10, 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
  • Patent number: 8344701
    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: Grant
    Filed: October 26, 2009
    Date of Patent: January 1, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Hua-Dong Cheng, Han-Che Wang
  • Patent number: 8264475
    Abstract: An electronic device with infrared touch input function is provided. The electronic device includes a display unit defining an signal display area; an infrared input device including a circuit board having two pairs of oppositely disposed sides defining an open area corresponding in size and shape to the signal display area, at least one light emitting device positioned on the circuit board, configured for emitting infrared light; at least one light detecting device positioned on the circuit board, configured for detecting infrared light emitted; a micro-processing unit configured for controlling the at least one light emitting device to emit infrared light, detecting infrared light paths obstructed via the light detecting devices, sending information of the obstructed infrared light paths to a central processing unit(CPU); and the CPU configured for performing functions according to the information of the obstructed infrared light paths.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: September 11, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Xin Zhao, Zu-Pei He, Ruey-Shyang You, Hua-Dong Cheng, Han-Che Wang, Kuan-Hong Hsieh
  • Patent number: 8249584
    Abstract: The present invention provides a portable electronic device. The device includes a first controller, a second controller, a mode switch unit, and a main controller. The mode switch unit is for a user to operate thereby generating a mode switch instruction. The main controller is for switching a work mode according to the mode switch instruction from the mode switch unit. When the mode switch unit generates a first mode switch instruction, the device enters a common work mode whereby the main controller activates the first controller and the second controller to be on standby; and when the mode switch unit generates a second mode switch instruction, the device enters a single work mode whereby the main controller activates only one of the first controller and the second controller to be on standby.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: August 21, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Xiao-Guang Li, Han-Che Wang, Ruey-Shyang You, Shih-Tsai Liu, Hua-Dong Cheng, Kuan-Hong Hsieh
  • Patent number: 8238640
    Abstract: A display testing method applied on an apparatus is provided, the apparatus being connected with an image capturing device. The method includes: controlling the image capturing device to capture and store images of displays to be tested; determining a first vertex of a test area on the captured image, determining a test area according to the determined first vertex; and testing parameters of the display according to the test area.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: August 7, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Jian Sun, Hua-Dong Cheng, Wen-Chuan Lian, Han-Che Wang, Xiao-Guang Li, Kuan-Hong Hsieh
  • Publication number: 20120154129
    Abstract: A remote control for an electronic device comprises an input unit for generating control signals, a connector and a microprocessor. A connector with a plurality of interfaces, one end of connector is electrically connected to a transmission unit of the remote control via a data bus, each of the interfaces of the connector is configured for engaging with an interface of the electronic device for transmitting the control signals to the electronic device. The microprocessor determines which interface to transmit the control signals to the electronic device to control the electronic device to flip pages. A signal transmission method applied in a remote control for an electronic device is also provided.
    Type: Application
    Filed: April 13, 2011
    Publication date: June 21, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO. LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, BO-CHING LIN, XIN ZHAO, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20120151102
    Abstract: A connection controller and connection control method for controlling the connections of a peripheral device with a computer is provided. The connection controller can detect the connection status of the peripheral devices and initializes the peripheral device while the peripheral device is connected. The connection controller transmits an interrupt signal to the computer while the peripheral device is initialized to allow the computer to access the peripheral device. Alternatively, the connection controller generates a suspend signal to switch off the power supply track from the computer to the peripheral device, and the connection controller will then be suspended without unloading the driver of the peripheral device to eliminate the repetition of loading and unloading the driver of the peripheral device.
    Type: Application
    Filed: April 28, 2011
    Publication date: June 14, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD .
    Inventors: HUA-DONG CHENG, XIN ZHAO, CHIH-SAN CHIANG, HAN-CHE WANG
  • Publication number: 20120106670
    Abstract: A server is provided. The serve includes a publishing module, a program module, a relationship module, and a transmission module. The publishing module publishes digital content. The program module stores programs for playing the digital content. The relationship module stores a relationship between the digital content, a plurality of pre-stored hardware information of customer terminals, and programs for playing corresponding the digital contents corresponding to hardware information. The transmission module searches a particular one of the programs for playing a particular one of the digital contents in response to a request from a customer terminal for downloading the particular digital content. The particular program is corresponding to the hardware information of the customer terminal according to the pre-stored hardware information.
    Type: Application
    Filed: May 11, 2011
    Publication date: May 3, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20120095771
    Abstract: A system for updating, sending and receiving a business card between electronic devices is provided. The system includes an input unit for a user to fill contact information, an identifying module, a template creating module, a verifying module, a first and second updating modules and a comparing module. The identifying module identifies whether an electronic device is used for the first time and whether a SIM card is being used for the first time with the electronic device. The template creating module creates the template of the business card. The verifying module prompts to input a password and verifies it. The first updating module prompts the sender to update contact information and creates the business card. The comparing module determines whether the communication list comprises a contact number which is the same as the old contact number in the business card. The second updating module updates the communication list.
    Type: Application
    Filed: March 15, 2011
    Publication date: April 19, 2012
    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
  • Publication number: 20120089937
    Abstract: A remote controller with touch screen is used for controlling an electronic device. The remote controller includes a housing, a storage unit, an interface unit, and a processing unit. A remote control interface is displayed on the touch screen. The remote control interface includes at least one virtual key, and the at least one virtual key produces a corresponding trigger signal in response to user's touch. The processing unit identifies the remote code after receiving the trigger signal, and drives the interface unit to emit the corresponding coded pulse to the electronic device, and at the same time the processing unit drives the touch screen to display the next level remote control interface.
    Type: Application
    Filed: March 31, 2011
    Publication date: April 12, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20120075054
    Abstract: An electronic device with self-learning function includes an input unit, a state detecting unit, a state recording unit, a state analysis unit, and a processing unit. The input unit generates input signals according to operations of a user. The state detecting unit detects real-time values of the state parameters. The state recording unit obtains the real-time values of predetermined state parameters when the input signals are received. The state analysis unit analyzes whether the times of an operation under a same state parameter value or in same state parameter value range has reached or equal to a predetermined number of times within a predetermined time period. If yes, the state analysis unit determines the operation is a habit and the state parameter value corresponding to the operation is the state parameter value of the habit. The processing unit executes a task corresponding to the habit.
    Type: Application
    Filed: March 31, 2011
    Publication date: March 29, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO.,LTD.
    Inventors: RONG GE, HUA-DONG CHENG, CHIH-SAN CHIANG, HAN-CHE WANG
  • Publication number: 20120054608
    Abstract: An electronic device includes a content display module, a storage, and a reading control module. A guidance list is stored in the storage, which defines a relationship between users and guidance behaviors relating to the users, the guidance behaviors includes guide speeds and word changes corresponding to the user. The reading control module includes a font changing sub-module and a page flipping control module. The font changing sub-module searches the guidance list to obtain the guide speed and the word changes corresponding to a particular user, and controls the fonts of the words on a current page of the file to change sequentially according to the guide speed and the word changes. The flipping control sub-module signals the content display module to flip to a next page when the current page is finished. A related method of guide reading is also provided.
    Type: Application
    Filed: March 10, 2011
    Publication date: March 1, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: JI LI, HUA-DONG CHENG, CHIH-SAN CHIANG, HAN-CHE WANG
  • Publication number: 20120044044
    Abstract: An electronic device comprising an input unit and a remote control for generating control signals; an interface unit; and a processor unit configured to analyze operation type according to the control signals, and control the electronic device to flip page. A remote control method applied in an electronic device is also provided.
    Type: Application
    Filed: April 10, 2011
    Publication date: February 23, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, BO-CHING LIN, XIN ZHAO, CHIH-SAN CHIANG, HUA-DONG CHENG
  • Publication number: 20120044135
    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: Application
    Filed: April 1, 2011
    Publication date: February 23, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: KUAN-HONG HSIEH, HAN-CHE WANG, BO-CHING LIN, XIN ZHAO, HUA-DONG CHENG, LU PAN
  • Patent number: 8121728
    Abstract: The present invention relates to a robot apparatus and an output control method adapted for the robot apparatus. The method includes steps of: receiving radio frequency (RF) signals of identification (ID) codes from several wireless communication devices within a predetermined area and time period; sensing people and obtaining the number of people within the predetermined area and time period; comparing current ID codes and the number of people in the predetermined area with what were determined previously, generating an update signal when the comparison is not equal; replacing the previous data with the current data; acquiring output data based on the associated output found in the output table; and performing an output based on the output data.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: February 21, 2012
    Assignees: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Tsu-Li Chiang, Xiao-Guang Li, Han-Che Wang, Hua-Dong Cheng, Kuan-Hong Hsieh, Li Wang
  • 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