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).
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Patent number: 8411383Abstract: 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: GrantFiled: December 31, 2009Date of Patent: April 2, 2013Assignee: LSI CorporationInventors: Zhengxin Cao, Hao Qiong Chen, Shu Dong Cheng, De Qun Ma, Donghui Wang, Yan Xu
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Publication number: 20130078894Abstract: A polishing device includes a reducer, a polishing mechanism, a rotatably driven mechanism, and a sliding driving mechanism. The polishing mechanism is connected to the reducer. The rotatably driven mechanism includes a first driving member and a transmission shaft, the first driving member includes a first main body and an output shaft rotatably connected to first main body, the transmission shaft is fixed to the output shaft. Sliding driving mechanism includes a second driving member, the second driving member includes a second main body and a driving shaft collar connected to the second main body, the second main body is fixed to the first main body. The second main body and driving shaft collar cooperatively define a through hole. The transmission shaft extends through the through hole and is connected to the reducer to enable the polishing mechanism to polish a workpiece. The driving shaft is fixed to the reducer.Type: ApplicationFiled: May 31, 2012Publication date: March 28, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: XIAN-CAI ZENG, DONG-CHENG LIU, CHIN-TSAN HUANG
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Publication number: 20130071200Abstract: A positioning mechanism, used for positioning a material being transported, includes a loading assembly and a positioning assembly. The loading assembly includes a fixing member and a loading member movably fixed to the fixing member for loading the material. The positioning assembly includes a first engaging member mounted on the loading member, and a second engaging member engaged with the first engaging member. The second engaging member includes a mounting plate and a locking rod mounted on the mounting plate. The mounting plate is located beside a predetermined position. The first engaging member defines a connecting portion. The second engaging member includes a locking rod. The locking rod forms a latching end, and the latching end is tapered outwardly along the axis of the locking rod. The latching end engages with the connecting portion to position the loading member to the predetermined position.Type: ApplicationFiled: February 21, 2012Publication date: March 21, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: DONG-CHENG LIU, KUN CHEN, YA-JUAN XIAO
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Publication number: 20130054753Abstract: 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: ApplicationFiled: November 24, 2011Publication date: February 28, 2013Applicants: 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
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Publication number: 20130050277Abstract: 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: ApplicationFiled: October 12, 2011Publication date: February 28, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
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Publication number: 20130009884Abstract: 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: ApplicationFiled: August 25, 2011Publication date: January 10, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: HAN-CHE WANG, CHIH-SAN CHIANG, HUA-DONG CHENG
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Patent number: 8344701Abstract: 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: GrantFiled: October 26, 2009Date of Patent: January 1, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Hua-Dong Cheng, Han-Che Wang
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Patent number: 8264475Abstract: 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: GrantFiled: August 24, 2009Date of Patent: September 11, 2012Assignees: 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
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Patent number: 8249584Abstract: 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: GrantFiled: March 27, 2009Date of Patent: August 21, 2012Assignees: 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
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Patent number: 8238640Abstract: 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: GrantFiled: September 8, 2008Date of Patent: August 7, 2012Assignees: 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
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Publication number: 20120154129Abstract: 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: ApplicationFiled: April 13, 2011Publication date: June 21, 2012Applicants: 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
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Publication number: 20120151102Abstract: 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: ApplicationFiled: April 28, 2011Publication date: June 14, 2012Applicants: 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
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Publication number: 20120106670Abstract: 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: ApplicationFiled: May 11, 2011Publication date: May 3, 2012Applicants: 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
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Publication number: 20120095771Abstract: 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: ApplicationFiled: March 15, 2011Publication date: April 19, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: HAN-CHE WANG, KUAN-HONG HSIEH, HUA-DONG CHENG
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Publication number: 20120089937Abstract: 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: ApplicationFiled: March 31, 2011Publication date: April 12, 2012Applicants: 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
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Publication number: 20120075054Abstract: 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: ApplicationFiled: March 31, 2011Publication date: March 29, 2012Applicants: 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
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Publication number: 20120054608Abstract: 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: ApplicationFiled: March 10, 2011Publication date: March 1, 2012Applicants: 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
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Publication number: 20120044135Abstract: 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: ApplicationFiled: April 1, 2011Publication date: February 23, 2012Applicants: 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
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Publication number: 20120044044Abstract: 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: ApplicationFiled: April 10, 2011Publication date: February 23, 2012Applicants: 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
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Patent number: 8121728Abstract: 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: GrantFiled: June 6, 2008Date of Patent: February 21, 2012Assignees: 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