Patents by Inventor Yu-Hsiang Wang
Yu-Hsiang Wang 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: 11010136Abstract: A random bit stream generator which includes a pseudo-random bit stream generator and a multi-stage noise shaping (MASH) delta-sigma modulator is introduced. The pseudo-random bit stream generator may generate a first random bit stream according to a first clock signal. The MASH delta-sigma modulator is coupled to the first random bit stream generator to receive the first random bit stream and output a second random bit stream according to the first random bit stream and a second clock signal. A frequency of the second clock signal is greater than a frequency of the first clock signal, and the random bit stream has bell-shaped distribution. A method of generating a random bit stream having bell-shaped distribution adapted to a random bit stream generator is also introduced.Type: GrantFiled: October 15, 2018Date of Patent: May 18, 2021Assignee: Novatek Microelectronics Corp.Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang
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Publication number: 20210118359Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N?1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N?1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Applicant: Novatek Microelectronics Corp.Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
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Publication number: 20210049956Abstract: A LED driving apparatus with differential signal interfaces is introduced, including: N-stages LED drivers, wherein the first stage LED driver receives a first data packet differential signal and a first clock differential signal and outputs a second data packet differential signal and a second clock differential signal, the Mth stage LED driver receives a Mth data packet differential signal and a Mth clock differential signal and outputs a (M+1)th data packet differential signal and a (M+1)th clock differential signal.Type: ApplicationFiled: August 27, 2020Publication date: February 18, 2021Applicant: Novatek Microelectronics Corp.Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Po-Hsiang Fang, Ju-Lin Huang
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Publication number: 20210049952Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original display data signal and outputs a first display data signal, the Nth stage LED driver receives a (N?1)th display data signal and outputs a Nth display data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to a first phase difference between the (N?1)th display data signal and the recovery clock signal; and a first transmitter outputting the Nth display data signal according to the recovery clock signal and the recovery data signal.Type: ApplicationFiled: April 7, 2020Publication date: February 18, 2021Applicant: Novatek Microelectronics Corp.Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
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Patent number: 10725486Abstract: A reference voltage generator includes a detecting voltage provider, a comparator, and a core circuit. The detecting voltage provider provides a detecting voltage with a first voltage level corresponding to a voltage coefficient. The comparator compares the first voltage level of the detecting voltage with a plurality of sampled amplitudes of an input signal to respectively generate a plurality of comparison results. The core circuit is used to: collect a plurality of first comparison results associated with a current received bit of a preset value from the comparison results; take the voltage coefficient as a first boundary voltage coefficient in response to the first comparison results satisfying a first condition; take the voltage coefficient as a second boundary voltage coefficient in response to the first comparison results satisfying a second condition. The reference circuit generates a reference voltage according to the first and second boundary voltage coefficients.Type: GrantFiled: August 2, 2018Date of Patent: July 28, 2020Assignee: Novatek Microelectronics Corp.Inventors: Yong-Ren Fang, Shen-Iuan Liu, Ju-Lin Huang, Tzu-Chien Tzeng, Keko-Chun Liang, Yu-Hsiang Wang, Che-Wei Yeh
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Publication number: 20200202776Abstract: A display apparatus and a method for noise reduction are introduced. The method comprises steps of sensing a first pixel signal being superimposed by noises from a first pixel through a first sensing line in a first phase of a sensing operation and sensing a first noise signal from the first sensing line in a second phase of the sensing operation. The method further comprises steps of sensing a second noise signal from a second sensing line in the first phase of the sensing operation, and sensing a third noise signal from the second sensing line in the second phase of the sensing operation. The method further removes the noises that are superimposed to the first pixel signal according to a difference between the first pixel signal and the first noise signal and a difference between the second noise signal and the third noise signal to generate a denoised sensing value of the first pixel.Type: ApplicationFiled: June 2, 2019Publication date: June 25, 2020Applicant: Novatek Microelectronics Corp.Inventors: Keko-Chun Liang, Yu-Hsiang Wang, Jhih-Siou Cheng, Yi-Chuan Liu, Ju-Lin Huang
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Publication number: 20190243612Abstract: A random bit stream generator which includes a pseudo-random bit stream generator and a multi-stage noise shaping (MASH) delta-sigma modulator is introduced. The pseudo-random bit stream generator may generate a first random bit stream according to a first clock signal. The MASH delta-sigma modulator is coupled to the first random bit stream generator to receive the first random bit stream and output a second random bit stream according to the first random bit stream and a second clock signal. A frequency of the second clock signal is greater than a frequency of the first clock signal, and the random bit stream has bell-shaped distribution. A method of generating a random bit stream having bell-shaped distribution adapted to a random bit stream generator is also introduced.Type: ApplicationFiled: October 15, 2018Publication date: August 8, 2019Applicant: Novatek Microelectronics Corp.Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang
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Publication number: 20190113939Abstract: A reference voltage generator includes a detecting voltage provider, a comparator, and a core circuit. The detecting voltage provider provides a detecting voltage with a first voltage level corresponding to a voltage coefficient. The comparator compares the first voltage level of the detecting voltage with a plurality of sampled amplitudes of an input signal to respectively generate a plurality of comparison results. The core circuit is used to: collect a plurality of first comparison results associated with a current received bit of a preset value from the comparison results; take the voltage coefficient as a first boundary voltage coefficient in response to the first comparison results satisfying a first condition; take the voltage coefficient as a second boundary voltage coefficient in response to the first comparison results satisfying a second condition. The reference circuit generates a reference voltage according to the first and second boundary voltage coefficients.Type: ApplicationFiled: August 2, 2018Publication date: April 18, 2019Applicant: Novatek Microelectronics Corp.Inventors: Yong-Ren Fang, Shen-Iuan Liu, Ju-Lin Huang, Tzu-Chien Tzeng, Keko-Chun Liang, Yu-Hsiang Wang, Che-Wei Yeh
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Patent number: 10256967Abstract: A clock and data recovery circuit with jitter tolerance enhancement is provided. The CDR circuit includes: a bang-bang phase detector, a digital filter, a digitally controlled oscillator, and an adaptive loop gain control circuit. The CDR circuit detects a loop bandwidth variation and adjusts the loop bandwidth of CDR circuit by adjusting proportional path and integral path gain factors of the digital filter of the CDR circuit. The loop gain controller uses two methods to adjust the loop gain in CDR circuit: bang-bang adjusting method and linear adjusting method.Type: GrantFiled: January 8, 2018Date of Patent: April 9, 2019Assignee: Novatek Microelectronics Corp.Inventors: Chang-Cheng Huang, Shen-Iuan Liu, Ju-Lin Huang, Tzu-Chien Tzeng, Keko-Chun Liang, Yu-Hsiang Wang, Che-Wei Yeh
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Publication number: 20180198597Abstract: A clock and data recovery circuit with jitter tolerance enhancement is provided. The CDR circuit includes: a bang-bang phase detector, a digital filter, a digitally controlled oscillator, and an adaptive loop gain control circuit. The CDR circuit detects a loop bandwidth variation and adjusts the loop bandwidth of CDR circuit by adjusting proportional path and integral path gain factors of the digital filter of the CDR circuit. The loop gain controller uses two methods to adjust the loop gain in CDR circuit: bang-bang adjusting method and linear adjusting method.Type: ApplicationFiled: January 8, 2018Publication date: July 12, 2018Applicant: Novatek Microelectronics Corp.Inventors: Chang-Cheng Huang, Shen-Iuan Liu, Ju-Lin Huang, Tzu-Chien Tzeng, Keko-Chun Liang, Yu-Hsiang Wang, Che-Wei Yeh
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Patent number: 9292614Abstract: The present invention is to provide a method for transmitting information between multiple electronic pages. The method is applicable to an information transmission system, which includes at least one terminal device, a web server, a toolbar server and an application server. The terminal device obtains a background page from the web server and a toolbar page from the toolbar server and embeds the toolbar page into the background page. When a user clicks on any of at least one application linking object on the toolbar page through the terminal device, the terminal device is able to obtain a status page from the toolbar server and then store page information on the background or toolbar page into the status page and connect to the application server for obtaining an application page corresponding to the application linking object clicked on, so as to enable the application page to access the page information.Type: GrantFiled: August 24, 2011Date of Patent: March 22, 2016Assignee: MIIICASA HOLDING (CAYMAN) INC.Inventors: Chih-Chiang Lin, Hung-Chun Kao, Yu-Sheng Lin, Ting-Yu Chiang, Shih-Hui Wu, Wen-Yuan Wang, Cho-Hsuan Lee, Chi-Ming Luo, Yi-Hua Liang, Min-Hui Wu, Hsiao-Yun Chen, Kuan-Yi Chang, Chi-Hsiu Huang, Jia-Bin Lai, Heng-Chang Lin, Yu-Hsiang Wang
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Patent number: 9187281Abstract: The present invention discloses a paper roll device including a casing, a cover connected to the casing, a moving component, a first resilient component connected to the moving component, a lever pivoted to the moving component, a second resilient component, a detecting module and a control module. The first resilient component is for driving the moving component to move in a first direction. The lever pivots relative to the moving component as the moving component moves. The second resilient component is connected to a sensing portion of the lever and for supporting the lever in the first direction. The detecting module is for detecting a position state of the sensing portion of the lever, so as to generate a corresponding detecting signal. The control module is for determining an open/closed state of the cover relative to the casing according to the detecting signal.Type: GrantFiled: November 26, 2013Date of Patent: November 17, 2015Assignees: IEI Integration Corp., Armorlink SH Corp.Inventors: Yu-Tsung Chang, Yu-Hsiang Wang
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Patent number: 9075892Abstract: The present invention is to provide a method applicable to a network system for automatically inserting an embedded toolbar into a web browser directly by way of a gateway device, wherein a toolbar request instruction written in a dynamic scripting language is inserted into a web page message by the gateway device while the web page message is transmitted from a web server to a terminal device (e.g., a personal computer, personal digital assistant, etc.) through the gateway device, so as to enable the web browser of the terminal device to request an embedded toolbar serve for providing an embedded toolbar message according to the toolbar request instruction and then show an embedded toolbar corresponding to the embedded toolbar message on a web page received from the web server according to the web page message. Thus, a user of the terminal device doesn't have to install the embedded toolbar additionally.Type: GrantFiled: January 25, 2011Date of Patent: July 7, 2015Assignee: MIIICASA HOLDING (CAYMAN) INC.Inventors: Chih-Chiang Lin, Hung-Chun Kao, Yu-Sheng Lin, Ting-Yu Chiang, Shih-Hui Wu, Wen-Yuan Wang, Cho-Hsuan Lee, Chi-Ming Luo, Yi-Hua Liang, Min-Hui Wu, Hsiao-Yun Chen, Kuan-Yi Chang, Chi-Hsiu Huang, Jia-Bin Lai, Heng-Chang Lin, Yu-Hsiang Wang
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Publication number: 20150069171Abstract: The present invention discloses a paper roll device including a casing, a cover connected to the casing, a moving component, a first resilient component connected to the moving component, a lever pivoted to the moving component, a second resilient component, a detecting module and a control module. The first resilient component is for driving the moving component to move in a first direction. The lever pivots relative to the moving component as the moving component moves. The second resilient component is connected to a sensing portion of the lever and for supporting the lever in the first direction. The detecting module is for detecting a position state of the sensing portion of the lever, so as to generate a corresponding detecting signal. The control module is for determining an open/closed state of the cover relative to the casing according to the detecting signal.Type: ApplicationFiled: November 26, 2013Publication date: March 12, 2015Applicants: Armorlink SH Corp., IEI Integration Corp.Inventors: Yu-Tsung Chang, Yu-Hsiang Wang
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Publication number: 20150053810Abstract: A paper roll device includes a casing, two rollers, a lever, a resilient component, a detecting module and a control module. The two rollers are installed inside the casing and for supporting a paper roll cooperatively. An end of the lever is disposed between the two rollers, and the lever pivots around a shaft. The paper roll sinks to contact the end of the lever, so as to push the end of the lever in a first direction. The resilient component is connected to the lever and for supporting the lever in a second direction opposite to the first direction. The detecting module is for detecting a position state of the other end of the lever, so as to generate a corresponding detecting signal. The control module is electrically connected to the detecting module and for determining a using state of the paper roll according to the detecting signal.Type: ApplicationFiled: October 30, 2013Publication date: February 26, 2015Applicants: Armorlink SH Corp., IEI Integration Corp.Inventors: Yu-Tsung Chang, Yu-Hsiang Wang
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Publication number: 20140373040Abstract: The present disclosure provides a method, a system, an electronic device and a portable device for providing contents from content providers by identifications pre-stored in an external device attached to an object. A portable device implemented with the method or the system of the present invention obtains the identification from the external device, especially when the portable device is located in a specific region around the object so that the portable device can communicably connect to the external device. An electronic device implemented with the method or the system of the present invention receives the identification from the portable device and sends the identification to a management center. The management center verifies the identification and generates a confirmation corresponding to the identification and sends the confirmation to the electronic device. The electronic device then obtains the content by sending the confirmation to the content provider.Type: ApplicationFiled: September 3, 2014Publication date: December 18, 2014Inventors: CHIH-CHIANG LIN, YU-HSIANG WANG, CHI-MING LUO
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Publication number: 20140282746Abstract: The present disclosure provides a user interface, a method, a system and an electronic device for providing channel indexed contents as an over-the-top (OTT) service. The user interface, the method and the system may be implemented on electronic devices to provide a “channel mode” other than the default operation modes of the electronic devices. In channel mode, content are selected by inputting a channel index value using a remote controller or a smart phone, and the electronic device then retrieves the content according to the content address corresponding to the channel index value. More specifically, the electronic device switches from its default operation mode to the channel mode when the electronic device is connected to an external display, such as a television. Therefore, the electronic device may provide a large-screen experience for OTT services with a large-screen device as an external display.Type: ApplicationFiled: February 28, 2014Publication date: September 18, 2014Applicant: miiiCasa Taiwan Inc.Inventors: CHIH-CHIANG LIN, YU-HSIANG WANG, CHENG-TING CHENG
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Publication number: 20140223364Abstract: The invention provides a method and a device for creating direct index for contents, such as webpage, local file or application, or TV channel. Through displaying first interface component comprising information of contents and a selecting component on a screen, a user may select a content to create a direct index for and input an index through a second interface on the screen comprising information of selected content and an index-input component. As a result, a customized direct index for the selected content may be created through two simple steps, by the corresponding content will be accessed by inputting the direct index. The invention reduces the steps for accessing contents and expands the flexibility of creating index of content by providing the possibility of creating direct index for contents with different types and from different sources.Type: ApplicationFiled: February 6, 2013Publication date: August 7, 2014Applicant: MIIICASA TAIWAN INC.Inventors: Chih-Chiang Lin, Hsiao-Yun Chen, Chi-Hsiu Huang, Yu-Hsiang Wang
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Publication number: 20130257634Abstract: An encoding method includes receiving a first data with a first length; dividing the first data into a plurality of data segments with a first specific length; obtaining at least one compressible data segment composed of identical data values if it exists and at least one uncompressible data segment composed of non-identical data values if it exists from the plurality of data segments; compressing the at least one compressible data segment to obtain at least one compressed data segment with a second specific length; generating an encoding data segment according to quantity and position of the at least one compressed data segment; and combining the at least one compressed data segment, the at least one uncompressible data segment and the encoding data segment to generate a second data with a second length, wherein the second specific length is shorter than the first specific length.Type: ApplicationFiled: April 3, 2013Publication date: October 3, 2013Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Yu-Hsiang Wang, Po-Hsiang Fang
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Patent number: 8375103Abstract: The present invention is to provide a system including at least one storage device for storing at least one file each having a file name, a home gateway having a routing identification code and connected to the storage device, and a server connected to the home gateway via the Internet for receiving the routing identification code and the file name uploaded by the home gateway. The server stores a user's registration information corresponding to the routing identification code. When a terminal device connected to the server via the Internet uses the registration information to pass the server's verification and thus log in the server, the server transmits the file name to the terminal device and, when receiving a request instruction from the terminal device, then retrieves the file from the storage device by way of the home gateway and then sends the file to the terminal device as requested.Type: GrantFiled: March 2, 2011Date of Patent: February 12, 2013Assignee: D-Link CorporationInventors: Chih-Chiang Lin, Hung-Chun Kao, Yu-Sheng Lin, Ting-Yu Chiang, Shih-Hui Wu, Wen-Yuan Wang, Cho-Hsuan Lee, Chi-Ming Luo, Yi-Hua Liang, Min-Hui Wu, Hsiao-Yun Chen, Kuan-Yi Chang, Chi-Hsiu Huang, Jia-Bin Lai, Heng-Chang Lin, Yu-Hsiang Wang