Patents by Inventor Li-Chun Wang

Li-Chun 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).

  • Patent number: 8688600
    Abstract: A method and system for provides a user with an ability to capture a sample of an experiential environment and deliver that sample to an interactive service to trigger one or more predetermined events. In exemplary embodiments of the invention such triggered events include the delivery of information and services to the user, the execution of tasks and instructions by the service on the user's behalf, communication events; surveillance events and other control-oriented events that are responsive to the user's wishes. In other exemplary embodiments of the invention, the triggered events include transaction-oriented events, entertainment events, and events associated with enhancements to human ability or function.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: April 1, 2014
    Assignee: Shazam Investments Limited
    Inventors: Christopher J. Penrose Barton, Philip Inghelbrecht, Dheeraj Shankar Mukherjee, Avery Li-Chun Wang
  • Publication number: 20140052284
    Abstract: A system and method are described for recognizing repeated audio material within at least one media stream without prior knowledge of the nature of the repeated material. The system and method are able to create a screening database from the media stream or streams. An unknown sample audio fragment is taken from the media stream and compared against the screening database to find if there are matching fragments within the media streams by determining if the unknown sample matches any samples in the screening database.
    Type: Application
    Filed: October 28, 2013
    Publication date: February 20, 2014
    Applicant: Shazam Investments Limited
    Inventors: David L. DeBusk, Darren P. Briggs, Michael Karliner, Richard W. Cheong Tang, Avery Li-Chun Wang
  • Publication number: 20130322047
    Abstract: An electromagnetic interference (EMI) shielding device and manufacturing method thereof are provided. The EMI shielding device includes at least one ferrite material outer layer, a first and a second electrodes within the ferrite material outer layer, and a positive temperature coefficient resistor (PTCR) core layer sandwiched between the first and the second electrodes in the ferrite material outer layer. The first and the second electrodes extend to two ends of the ferrite material outer layer respectively.
    Type: Application
    Filed: September 28, 2012
    Publication date: December 5, 2013
    Inventors: Mean-Jue Tung, Wen-Song Ko, Ming-Da Yang, Li-Chun Wang
  • Patent number: 8571864
    Abstract: A system and method are described for recognizing repeated audio material within at least one media stream without prior knowledge of the nature of the repeated material. The system and method are able to create a screening database from the media stream or streams. An unknown sample audio fragment is taken from the media stream and compared against the screening database to find if there are matching fragments within the media streams by determining if the unknown sample matches any samples in the screening database.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: October 29, 2013
    Assignee: Shazam Investments Limited
    Inventors: David L. DeBusk, Darren P. Briggs, Michael Karliner, Richard W. Cheong Tang, Avery Li-Chun Wang
  • Patent number: 8551571
    Abstract: A method for making a conductive polymer composite for detecting a gas includes forming a porous conductive layer of a conductive powder on a substrate, applying a polymer solution containing a solvent and a gas responsive polymer material dissolved in the solvent to the porous conductive layer such that a portion of the polymer solution penetrates into the porous conductive layer and the remainder of the polymer solution forms a thin film covering a top of the porous conductive layer, the gas responsive polymer material being capable of adsorbing and desorbing the gas, and removing the solvent from the polymer solution so as to form a polymer matrix covering the porous conductive layer.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: October 8, 2013
    Assignee: Chung-Shan Institute of Science and Technology, Armaments Bureau, Dept. of National Defense
    Inventors: Li-Chun Wang, Yuh Sung, Shiaw-Ruey Lin, Cheng-Long Ho, Chang-Ping Chang, Chen-Yu Lin
  • Patent number: 8551310
    Abstract: There is disclosed a method for making a nano-composite gas sensor. At first, there is provided a substrate. Then, electrodes are provided on the substrate in an array. Finally, a gas-sensing membrane is provided on the electrodes. The gas-sensing membrane includes a nano-conductive film and a peptide film.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: October 8, 2013
    Assignee: Chung-Shan Institute of Science and Technology, Armaments Bureau, Dept. of National Defense
    Inventors: Li-Chun Wang, Tseng-Hsiung Su, Shang-Ren Yang, Cheng-Long Ho, Han-Wen Kuo, Kea-Tiong Tang
  • Publication number: 20130247082
    Abstract: A method and system of performing high-throughput identifications of broadcast content is provided. A device can send a content identification query, which includes a sample of content being broadcast, to a server to request an identity of the content. The server will perform a computational identification of the content, return the result to the device, and store the result. For all subsequently received content identification queries requesting an identity of content being broadcast from the same source and in a time during which the content is still being broadcast from the source, the server will send the stored content identification in response to the subsequent queries. If a subsequent content identification query does not request the identity of content being broadcast from the same source or is not received during the time that the content is still being broadcast, the server will perform a computational identification of a content sample.
    Type: Application
    Filed: April 23, 2013
    Publication date: September 19, 2013
    Applicant: Shazam Entertainment Ltd.
    Inventors: Avery Li-Chun Wang, Chee Wong, Jonathan Symons
  • Publication number: 20130243205
    Abstract: Systems and methods of synchronizing media are provided. A client device may be used to capture a sample of a media stream being rendered by a media rendering source. The client device sends the sample to a position identification module to determine a time offset indicating a position in the media stream corresponding to the sampling time of the sample, and optionally a timescale ratio indicating a speed at which the media stream is being rendered by the media rendering source based on a reference speed of the media stream. The client device calculates a real-time offset using a present time, a timestamp of the media sample, the time offset, and optionally the timescale ratio. The client device then renders a second media stream at a position corresponding to the real-time offset to be in synchrony to the media stream being rendered by the media rendering source.
    Type: Application
    Filed: May 1, 2013
    Publication date: September 19, 2013
    Applicant: Shazam Entertainment Ltd.
    Inventor: Avery Li-Chun Wang
  • Publication number: 20130235752
    Abstract: The invention provides a system that implements an algorithm for integrated link adaptation and power control to achieve specified error rates and to improve an overall throughput for real-time applications in wireless packet networks. The system initially divides wireless terminals into groups according to their signal path gains. Afterwards, the system can periodically adapt transmissions (i.e., link adaptations) based on the required error rates, actual error statistics and average transmission power for each wireless terminal group. Furthermore, transmission power can be adjusted by an enhanced Kalman-filter method to ensure successful reception.
    Type: Application
    Filed: April 29, 2013
    Publication date: September 12, 2013
    Applicant: AT&T Intellectual Property II, L.P.
    Inventors: Justin Che-I Chuang, Kin K. Leung, Li-Chun Wang
  • Publication number: 20130197384
    Abstract: A medical ventilator capable of early detecting and recognizing types of pneumonia, a gas recognition chip, and a method for recognizing gas thereof are disclosed. The gas recognition chip of the medical ventilator comprises a sensor array, a sensor interface circuit, a stochastic neural network chip, a memory and a microcontroller. The sensor array receives a plurality of multiple types of gases to produce odor signals corresponding to each type of gas. The sensor interface circuit analyzes the odor signals to produce gas pattern signals corresponding to each type of gas. The stochastic neural network chip amplifies the differences between the gas pattern signals and performs dimensional reduction on the gas pattern signals to aid the analysis. The memory stores training data. The microcontroller performs a mixed gas recognizing algorithm to early detect and recognize the type of the pneumonia according to the gas training data.
    Type: Application
    Filed: April 27, 2012
    Publication date: August 1, 2013
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Kea-Tiong Tang, Chung-Hung Shih, Li-Chun Wang, Hsin Chen, Yi-Wen Liu, Jyuo-Min Shyu, Chia-Min Yang, Da-Jeng Yao
  • Publication number: 20130152349
    Abstract: There is disclosed a method for making a nano-composite gas sensor. At first, there is provided a substrate. Then, electrodes are provided on the substrate in an array. Finally, a gas-sensing membrane is provided on the electrodes. The gas-sensing membrane includes a nano-conductive film and a peptide film.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 20, 2013
    Applicant: Chung-Shan Institute of Science and Technology, Armaments, Bureau, Ministry of National Defense
    Inventors: Li-Chun Wang, Tseng-Hsiung Su, Shang-Ren Yang, Cheng-Long Ho, Han-Wen Kuo, Kea-Tiong Tang
  • Publication number: 20130122863
    Abstract: A location-based service system and method, which allows a location-based service server connected with a communication device and a cloud data server to perform registration authorization procedures and service authorization procedures using an international mobile subscriber identity of the communication device that cannot be easily modified or forged in the registration and service modes, so that a user may obtain a specific location-based service result via the communication device, and this distributed authentication technique reduces the risk of data theft while increasing the flexibility and convenience in obtaining services.
    Type: Application
    Filed: February 22, 2012
    Publication date: May 16, 2013
    Applicant: National Chiao Tung University
    Inventors: Yu-Jia Chen, Li-Chun Wang
  • Publication number: 20130122191
    Abstract: A method for making a conductive polymer composite for detecting a gas includes forming a porous conductive layer of a conductive powder on a substrate, applying a polymer solution containing a solvent and a gas responsive polymer material dissolved in the solvent to the porous conductive layer such that a portion of the polymer solution penetrates into the porous conductive layer and the remainder of the polymer solution forms a thin film covering a top of the porous conductive layer, the gas responsive polymer material being capable of adsorbing and desorbing the gas, and removing the solvent from the polymer solution so as to form a polymer matrix covering the porous conductive layer.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 16, 2013
    Applicant: Chung-Shan Institute of Science and Technology Armaments, Bureau, Minstry of National Defencse
    Inventors: Li-Chun Wang, Yuh Sung, Shiaw-Ruey Lin, Cheng-Long Ho, Chang-Ping Chang, Chen-Yu Lin
  • Patent number: 8442426
    Abstract: A method and system of performing high-throughput identifications of broadcast content is provided. A device can send a content identification query, which includes a sample of content being broadcast, to a server to request an identity of the content. The server will perform a computational identification of the content, return the result to the device, and store the result. For all subsequently received content identification queries requesting an identity of content being broadcast from the same source and in a time during which the content is still being broadcast from the source, the server will send the stored content identification in response to the subsequent queries. If a subsequent content identification query does not request the identity of content being broadcast from the same source or is not received during the time that the content is still being broadcast, the server will perform a computational identification of a content sample.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: May 14, 2013
    Assignee: Shazam Entertainment Ltd.
    Inventors: Avery Li-Chun Wang, Chee Wong, Jonathan Symons
  • Patent number: 8432863
    Abstract: The invention provides a system that implements an algorithm for integrated link adaptation and power control to achieve specified error rates and to improve an overall throughput for real-time applications in wireless packet networks. The system initially divides wireless terminals into groups according to their signal path gains. Afterwards, the system can periodically adapt transmissions (i.e., link adaptations) based on the required error rates, actual error statistics and average transmission power for each wireless terminal group. Furthermore, transmission power can be adjusted by an enhanced Kalman-filter method to ensure successful reception.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: April 30, 2013
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Justin Che-I Chuang, Kin K Leung, Li-Chun Wang
  • Patent number: 8422204
    Abstract: A slide electronic device includes a first body, a second body, and a slide mechanism. The slide mechanism includes a first connecting member and a second connecting member. One end of the first connecting member is pivotally connected to the first body, an opposite end is pivotally connected to the second body, one end of the second connecting member is pivotally connected to the first body, and an opposite end is pivotally connected to the second body. A distance between rotary axes of the two ends of the first connecting member exceeds that of the second connecting member. When the second body slides relative to the first body, the first connecting member and the second connecting member are rotated relative to the first body and the second body until an end of the second body resists the first body and the second body is angled.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: April 16, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Li-Chun Wang
  • Patent number: 8386258
    Abstract: A method for recognizing an audio sample locates an audio file that closely matches the audio sample from a database indexing a large set of original recordings. Each indexed audio file is represented in the database index by a set of landmark timepoints and associated fingerprints. Landmarks occur at reproducible locations within the file, while fingerprints represent features of the signal at or near the landmark timepoints. To perform recognition, landmarks and fingerprints are computed for the unknown sample and used to retrieve matching fingerprints from the database. For each file containing matching fingerprints, the landmarks are compared with landmarks of the sample at which the same fingerprints were computed. If a large number of corresponding landmarks are linearly related, i.e., if equivalent fingerprints of the sample and retrieved file have the same time evolution, then the file is identified with the sample.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: February 26, 2013
    Assignee: Shazam Investments Limited
    Inventors: Avery Li-Chun Wang, Julius O. Smith, III
  • Publication number: 20130010204
    Abstract: A user (102) hears an audio program being broadcast and can record a sample of the audio. The sample is then conveyed to an analyzing means (106) to determine to which broadcast station the user is listening. The analyzing means monitors many broadcast channels. Thus, characteristics of the audio sample and samples taken from the broadcast channels can be compared to find a match. Broadcast information pertaining to the broadcast channel from which the match was found may then be reported back to the user, combined with an advertisement of a promotion, prize notification, discount offers, and other information specific for a certain radio station for example.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 10, 2013
    Applicant: Shazam Investments Limited
    Inventor: Avery Li-Chun Wang
  • Publication number: 20120317241
    Abstract: Methods and systems for performing comparisons of received data and providing a follow-on service based on the comparisons are described. In one example, a performer may utilize a portable device that includes a microphone to record a data stream of content from an ambient environment of a venue, and provide the data stream of content to a server. A user may utilize another portable device that includes a microphone to record a sample of the content from the ambient environment, and may send the sample to the server. The server may perform a comparison of characteristics of the sample with characteristics of the data stream, and can provide a response to the user with metadata. Further, based on the comparison, the server may register a presence of the user's device at the concert. The server may perform social networking functions based on results of content identification functions.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 13, 2012
    Applicant: SHAZAM ENTERTAINMENT LTD.
    Inventor: Avery Li-Chun Wang
  • Publication number: 20120317240
    Abstract: Methods and systems for identifying content in a data stream are provided. In one example, a client device receives a continuous data stream and substantially continuously performs a content identification of content in the data stream based on content patterns stored on the client device. The content patterns stored on the client device may include information associated with extracted features of a media file, or a temporally mapped collection of features describing a media file. The client device may determine whether the continuous data stream includes media content, and based on the determination, continuously perform the content identification of content in the data stream at the client device. The client device may query a server to determine an identity of content in the data stream based on receiving an instruction.
    Type: Application
    Filed: June 4, 2012
    Publication date: December 13, 2012
    Applicant: SHAZAM ENTERTAINMENT LTD.
    Inventor: Avery Li-Chun Wang