Patents by Inventor Sen-Huang Tang

Sen-Huang Tang 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).

  • Patent number: 8073249
    Abstract: The present invention relates to an apparatus and a method thereof for adjusting a luminance of an image signal. The apparatus includes a complementary circuit, a statistical circuit, a calculating circuit, and a blending circuit. The complementary circuit receives an image signal to generate a complementary luminance according to the luminance of the image signal. The statistical circuit receives the image signal to generate a statistical signal according to the luminance of the image signal. The calculating circuit receives the image signal, the complementary luminance, and the statistical signal to generate a calculated luminance of the image signal. The blending circuit generates an output image signal according to the calculated luminance and the luminance of the image signal. A video display device can thereby displays optimum pictures according to the output image signal.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: December 6, 2011
    Assignee: Realtek Semiconductor Corp.
    Inventors: Sen-Huang Tang, Wen-Tsai Liao
  • Patent number: 7990198
    Abstract: The invention is related to an apparatus and a method for generating an output clock. The method comprises: receiving a transmitted signal comprising at least one data signal and at least one synchronized signal; producing a reference signal according to the synchronization signal; counting the first reference signal according to a free-run clock outputted by a free-run clock generator to produce a counter signal; and generating the output clock according to the counter signal and the free-run clock.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: August 2, 2011
    Assignee: Realtek Semiconductor Corp.
    Inventors: Sen-Huang Tang, Wen-Chung Lai
  • Patent number: 7777925
    Abstract: The present invention relates to a color adjustment apparatus and a method thereof. The color adjustment apparatus according to the present invention includes a calculation unit and an adjustment unit. The calculation unit receives an input color signal, and divides the input color signal into color groups and performs a calculation operation thereon to generate at least two calculation signals. The adjustment unit receives the calculation signals and the input color signal, and adjusts at least one of contrast group and complement group of the input color signal according to at least two of the calculation signals and a predetermined color value to generate an output color signal for a video-display apparatus. Accordingly, viewers can enjoy better visual experience.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: August 17, 2010
    Assignee: Realtek Semiconductor Corp.
    Inventors: Sen-Huang Tang, Chun-Hsing Hsieh
  • Publication number: 20090256614
    Abstract: The invention is related to an apparatus and a method for generating an output clock. The method comprises: receiving a transmitted signal comprising at least one data signal and at least one synchronized signal; producing a reference signal according to the synchronization signal; counting the first reference signal according to a free-run clock outputted by a free-run clock generator to produce a counter signal; and generating the output clock according to the counter signal and the free-run clock.
    Type: Application
    Filed: June 22, 2009
    Publication date: October 15, 2009
    Inventors: Sen-Huang Tang, Wen-Chung Lai
  • Patent number: 7567108
    Abstract: The invention is related to an apparatus and a method for generating an output clock. The method comprises: receiving a transmitted signal comprising at least one data signal and at least one synchronized signal; producing a reference signal according to the synchronization signal; counting the first reference signal according to a free-run clock outputted by a free-run clock generator to produce a counter signal; and generating the output clock according to the counter signal and the free-run clock.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: July 28, 2009
    Assignee: Realtek Semiconductor Corp.
    Inventors: Sen-Huang Tang, Wen-Chung Lai
  • Publication number: 20090080793
    Abstract: The present invention relates to an apparatus and a method thereof for adjusting a luminance of an image signal. The apparatus includes a complementary circuit, a statistical circuit, a calculating circuit, and a blending circuit. The complementary circuit receives an image signal to generate a complementary luminance according to the luminance of the image signal. The statistical circuit receives the image signal to generate a statistical signal according to the luminance of the image signal. The calculating circuit receives the image signal, the complementary luminance, and the statistical signal to generate a calculated luminance of the image signal. The blending circuit generates an output image signal according to the calculated luminance and the luminance of the image signal. A video display device can thereby displays optimum pictures according to the output image signal.
    Type: Application
    Filed: October 10, 2007
    Publication date: March 26, 2009
    Inventors: Sen-Huang Tang, Wen-Tsai Liao
  • Publication number: 20080170081
    Abstract: A bidirectional data transmission system and the transmitting method thereof are disclosed. A video graphics array interface or an interface including a display data channel is utilized in the bidirectional data transmission to transmit data in bi-direction.
    Type: Application
    Filed: July 26, 2007
    Publication date: July 17, 2008
    Inventors: Sen-Huang Tang, Po-Chiang Wu
  • Publication number: 20080043154
    Abstract: A method for processing video data including a plurality of fields is disclosed. The method includes: dividing the plurality of fields into a plurality of image blocks; examining each image block of a target field to determine whether each image block of the target field corresponds to a film mode or a non-film mode, wherein the target field is one of the plurality of fields; examining each image block of the target field that corresponds to the film mode to determine whether each image block corresponds to a pure film mode or a mix film mode; and utilizing a specific image processing mechanism to process each of the plurality of image blocks.
    Type: Application
    Filed: June 15, 2007
    Publication date: February 21, 2008
    Inventors: Sen-Huang Tang, Wen-Tsai Liao
  • Publication number: 20080008236
    Abstract: A method for controlling a video data to enter a film mode for processing is disclosed, the video data including a plurality of target fields, the method including: determining whether a target field of the target fields is capable of being merged with a first neighboring field of the target field; if the target field can be merged with the first neighboring field, adding one to a merging number; and repeating the above steps until the merging number is determined to be not less than N, and then entering the film mode to process the video data; wherein N is a positive integer not less than two.
    Type: Application
    Filed: July 5, 2007
    Publication date: January 10, 2008
    Inventors: Sen-Huang Tang, Wen-Tsai Liao, Ming-Jane Hsieh
  • Publication number: 20070296987
    Abstract: The present invention relates to a color adjustment apparatus and a method thereof. The color adjustment apparatus according to the present invention includes a calculation unit and an adjustment unit. The calculation unit receives an input color signal, and divides the input color signal into color groups and performs a calculation operation thereon to generate at least two calculation signals. The adjustment unit receives the calculation signals and the input color signal, and adjusts at least one of contrast group and complement group of the input color signal according to at least two of the calculation signals and a predetermined color value to generate an output color signal for a video-display apparatus. Accordingly, viewers can enjoy better visual experience.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 27, 2007
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Sen-Huang Tang, Chun-Hsing Hsieh
  • Publication number: 20070247207
    Abstract: The invention is related to an apparatus and a method for generating an output clock. The method comprises: receiving a transmitted signal comprising at least one data signal and at least one synchronized signal; producing a reference signal according to the synchronization signal; counting the first reference signal according to a free-run clock outputted by a free-run clock generator to produce a counter signal; and generating the output clock according to the counter signal and the free-run clock.
    Type: Application
    Filed: June 13, 2007
    Publication date: October 25, 2007
    Inventors: Sen-Huang Tang, Wen-Chung Lai
  • Publication number: 20070217712
    Abstract: An apparatus and a method for processing image data are disclosed. The apparatus detects whether the image data corresponds to one of a plurality of predetermined patterns to generate a detection result, selects one of a plurality of processing algorithms according to the detection result, and processes the image data according to the selected processing algorithm.
    Type: Application
    Filed: March 12, 2007
    Publication date: September 20, 2007
    Inventors: Sen-Huang Tang, Chia-Wei Yu, Chi-Feng Wang
  • Publication number: 20070208914
    Abstract: A memory access apparatus is disclosed. The apparatus comprising: a memory access module, having a first interface and a second interface; a first bus, coupled to the first interface; a first memory, coupled to the first bus, for storing a first data; a second bus, coupled to the second interface; and a second memory, coupled to the second bus, for storing a second data; wherein said memory access module accesses said first memory or said second memory or both according to the using statuses of said first bus and said second bus.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 6, 2007
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Sen-Huang Tang, Yi-Shu Chang, Yu-Zoung Chou, Chien-Hua Hsieh
  • Publication number: 20070194826
    Abstract: The present invention discloses a circuit capable of self-correcting delay time that includes a clock generating unit for generating a clock signal, a processing unit for producing a counter enable signal according to a reference clock, and a counting unit for receiving the counter enable signal and using the clock signal to count the reference clock for producing a count value, and the count value is returned to the processing unit for performing an analysis to obtain a delay time. The present invention can effectively overcome the shortcomings of the prior art that requires a delay circuit to make corrections one by one, and thus the invention can greatly save the time, manpower, and cost incurred.
    Type: Application
    Filed: February 15, 2007
    Publication date: August 23, 2007
    Inventors: Sen-Huang Tang, Yi-Shu Chang
  • Publication number: 20070070081
    Abstract: An on screen display control device includes a plurality of setting tables, a setting unit, an analysis unit, a parameter generating unit and an adjusting unit. The on screen display control device adjusts a plurality of display parameters of an original image data at a time.
    Type: Application
    Filed: September 19, 2006
    Publication date: March 29, 2007
    Inventors: Sen-Huang Tang, Hsu-Jung Tung, Chia-Wei Yu
  • Patent number: 7106118
    Abstract: The invention is related to a method and an apparatus for generating an output clock. The method comprises: measuring a reference clock according to a free-run clock to produce a counter signal in a normal mode; suspending the reference clock; and generating the output clock according to the counter signal and the free-run clock in a power-saving mode.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: September 12, 2006
    Assignee: Realtek Semiconductor Corp.
    Inventors: Sen-Huang Tang, Yi-Shu Chang
  • Publication number: 20050156649
    Abstract: The invention is related to an apparatus and a method for generating an output clock. The method comprises: receiving a transmitted signal comprising at least one data signal and at least one synchronized signal; producing a reference signal according to the synchronization signal; counting the first reference signal according to a free-run clock outputted by a free-run clock generator to produce a counter signal; and generating the output clock according to the counter signal and the free-run clock.
    Type: Application
    Filed: January 13, 2005
    Publication date: July 21, 2005
    Inventors: Sen-Huang Tang, Wen-Chung Lai
  • Publication number: 20050156650
    Abstract: The invention is related to a method and an apparatus for generating an output clock. The method comprises: measuring a reference clock according to a free-run clock to produce a counter signal in a normal mode; suspending the reference clock; and generating the output clock according to the counter signal and the free-run clock in a power-saving mode.
    Type: Application
    Filed: January 13, 2005
    Publication date: July 21, 2005
    Inventors: Sen-Huang Tang, Yi-Shu Chang