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: 9414534
    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: Grant
    Filed: September 28, 2012
    Date of Patent: August 9, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Mean-Jue Tung, Wen-Song Ko, Ming-Da Yang, Li-Chun Wang
  • Patent number: 9401154
    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 14, 2014
    Date of Patent: July 26, 2016
    Assignee: Shazam Investments Limited
    Inventors: Avery Li-Chun Wang, Julius O. Smith, III
  • Publication number: 20160205014
    Abstract: A method for retransmitting packet, a data server using the same and a packet retransmitting system are provided. The packet retransmitting system includes a control server, a network switch, a plurality of upper nodes, and the data server. Terminal nodes download data packets provided by the data server through the upper nodes, respectively. The data server receives missing packet reports in which the data packets correspond to the terminal nodes via the network switch, obtains network topology information related to the terminal nodes from the control server, encodes missing packets in the data packets according to the missing packet reports and the network topology information, and transmits encoded packets encoded from the missing packets to the terminal nodes via the network switch and each of the upper nodes.
    Type: Application
    Filed: February 26, 2015
    Publication date: July 14, 2016
    Inventors: Yu-Jia Chen, Wan-Ling Ho, Li-Chun Wang
  • Patent number: 9390170
    Abstract: Methods and systems for arranging and searching a database of media content recordings are provided. In one example, a method is provided that comprises receiving a sample of media content, and performing, by a computing device, a content recognition of the sample of media content using a data file including a concatenation of representations for each of a plurality of media content recordings. In other examples, another method is provided that comprises receiving media content recordings, determining a representation for each media content recording, concatenating by a computing device the representation for each media content recording as a data file, and storing by the computing device a mapping between an identifier for a respective media content recording and a global position in the data file that corresponds to the representation of the respective media content recording.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 12, 2016
    Assignee: Shazam Investments Ltd.
    Inventors: Avery Li-Chun Wang, Ira Joseph Woodhead, Erich Konrad Elsen
  • Patent number: 9361370
    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: April 23, 2013
    Date of Patent: June 7, 2016
    Assignee: Shazam Entertainment, Ltd.
    Inventors: Avery Li-Chun Wang, Chee Wong, Jonathan Symons
  • Publication number: 20160157149
    Abstract: Data center network provisioning method includes partitioning a plurality of virtual machines in the data center network into a plurality of groups according to topology information of data center network. A plurality of virtual machines in each group is assigned to a plurality of servers in the data center network. A pair-wised transmission path of the plurality of servers is assigned according to a traffic load of each switch in the data center network.
    Type: Application
    Filed: March 30, 2015
    Publication date: June 2, 2016
    Inventors: Shao-Heng Wang, Li-Chun Wang, Ying-Chieh Liao, Dean-Chung Wang
  • Publication number: 20160156731
    Abstract: Methods and systems for processing a sample of a media stream are provided. In one example, a method includes receiving a sample of a media stream rendered by a media rendering source, and for matching media recordings from which the sample was obtained, the method also includes receiving a signature file including a temporally mapped collection of features describing content of the matching media recordings. Each received signature file may be stored in memory. In addition, a signature stream may be received that includes features extracted from the media stream, and a number of matching features between the signature stream of the media stream and the signature file for at least one matching media recording can be determined. In one example, when substantially matching features between the signature stream of the media stream and the signature file for a matching media recording stop occurring, a discontinuity can be identified.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Inventors: Avery Li-Chun Wang, Adrian Allan Revill
  • Publication number: 20160132600
    Abstract: Methods and systems for performing content recognition for a surge of incoming recognition queries are provided. Within examples, methods comprise receiving, by one or more computing devices, a stream of incoming content recognition queries, and a given content recognition query includes a sample of media content and a request to identify the sample of media content. Methods also comprise filtering, by the one or more computing devices, a plurality of content recognition queries from the stream of incoming content recognition queries belonging to a surge event, and the surge event is associated with content recognition queries received within a time window and including common samples of media content.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 12, 2016
    Inventors: Ira Joseph Woodhead, Avery Li-Chun Wang, Charles Robert Henrich, Saulius Grusnys, Scott Matthew Loyd
  • Patent number: 9275141
    Abstract: Methods and systems for processing a sample of a media stream are provided. In one example, a method includes receiving a sample of a media stream rendered by a media rendering source, and for matching media recordings from which the sample was obtained, the method also includes receiving a signature file including a temporally mapped collection of features describing content of the matching media recordings. Each received signature file may be stored in memory. In addition, a signature stream may be received that includes features extracted from the media stream, and a number of matching features between the signature stream of the media stream and the signature file for at least one matching media recording can be determined. In one example, when substantially matching features between the signature stream of the media stream and the signature file for a matching media recording stop occurring, a discontinuity can be identified.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: March 1, 2016
    Assignee: Shazam Entertainment Ltd.
    Inventors: Avery Li-Chun Wang, Adrian Allan Revill
  • Publication number: 20160050583
    Abstract: Methods for grouping MTC devices in MTC networks are proposed. One of the proposed methods includes grouping femto MTC devices into femto groups and grouping macro MTC devices into macro groups, where each of the assigned groups has its granted interval for delivering MTC messages. In the proposed method, it may detect network overload of each group or unsuccessful access request of each device, and statistically count consecutively accumulated number of occurrence of the CN overload of each group or accumulated number of occurrence of unsuccessful access request retries of each device. The group numbers, cycle time, and access probability of the macro groups or the femto groups may be adjusted according to the aforementioned accumulated numbers. In addition, the macro groups or the femto groups are merged or split according to determination based on the statistical counts.
    Type: Application
    Filed: October 29, 2015
    Publication date: February 18, 2016
    Inventors: Jane-Hwa Huang, Li-Chun Wang, Ang-Hsun Tsai, Tzu-Ming Lin
  • Patent number: 9256673
    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: Grant
    Filed: June 4, 2012
    Date of Patent: February 9, 2016
    Assignee: Shazam Entertainment Ltd.
    Inventor: Avery Li-Chun Wang
  • Patent number: 9251796
    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: Grant
    Filed: August 21, 2014
    Date of Patent: February 2, 2016
    Assignee: Shazam Entertainment Ltd.
    Inventor: Avery Li-Chun Wang
  • Patent number: 9225444
    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: Grant
    Filed: June 26, 2015
    Date of Patent: December 29, 2015
    Assignee: Shazam Investments Limited
    Inventor: Avery Li-Chun Wang
  • Publication number: 20150368556
    Abstract: A method of synthesizing a composite phosphor by phase transition, characterized by controlling the sintering temperature and duration, changing M2?ySi5N8:Ry phase to M1?xSi6N8 : Rx phase, thereby forming a two-phase composite phosphor, wherein proportions of the two phases of the composite phosphor are variable. As indicated by its varying CIE color coordinates, Sr1.98Si5N8:Eu2+0.02 changes from red to pink, and then to blue. The CIE color coordinates are collinear. If there is no color deviation at the two ends of the straight line, the coordinates of any color resulting from a mixture of two colors will lie on the straight line. The aforesaid synthesis method dispenses with the hassles of sintering two colored phosphors separately, thus attaining uniformity of resultant light color and cutting the costs of phosphor synthesis.
    Type: Application
    Filed: June 18, 2014
    Publication date: December 24, 2015
    Inventors: Yin-Chih LIN, Shin-Mou WU, Hao-En HUNG, Yi-Ting TSAI, Chun-Che LIN, Ru-Shi LIU, Li-Chun WANG, Chi-Hsing HSIEH
  • Patent number: 9210607
    Abstract: Methods for grouping MTC devices in MTC networks are proposed. One of the proposed methods includes grouping femto MTC devices into femto groups and grouping macro MTC devices into macro groups, where each of the assigned groups has its granted interval for delivering MTC messages. In the proposed method, it may detect network overload of each group or unsuccessful access request of each device, and statistically count consecutively accumulated number of occurrence of the CN overload of each group or accumulated number of occurrence of unsuccessful access request retries of each device. The group numbers, cycle time, and access probability of the macro groups or the femto groups may be adjusted according to the aforementioned accumulated numbers. In addition, the macro groups or the femto groups are merged or split according to determination based on the statistical counts.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: December 8, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Jane-Hwa Huang, Li-Chun Wang, Ang-Hsun Tsai, Tzu-Ming Lin
  • Publication number: 20150295667
    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: June 26, 2015
    Publication date: October 15, 2015
    Inventor: Avery Li-Chun Wang
  • Patent number: 9159338
    Abstract: Systems and methods of rendering a textual animation are provided. The methods include receiving an audio sample of an audio signal that is being rendered by a media rendering source. The methods also include receiving one or more descriptors for the audio signal based on at least one of a semantic vector, an audio vector, and an emotion vector. Based on the one or more descriptors, a client device may render the textual transcriptions of vocal elements of the audio signal in an animated manner. The client device may further render the textual transcriptions of the vocal elements of the audio signal to be substantially in synchrony to the audio signal being rendered by the media rendering source. In addition, the client device may further receive an identification of a song corresponding to the audio sample, and may render lyrics of the song in an animated manner.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: October 13, 2015
    Assignee: Shazam Entertainment Ltd.
    Inventors: Rahul Powar, Avery Li-Chun Wang
  • Publication number: 20150282184
    Abstract: Facilitation of a network assisted device-decided system can increase throughput of D2D devices and the link reliability of macrocells. In a network assisted device-decided system a macrocell can broadcast resource allocation data to D2D devices. The D2D devices can then select channels and adjust transmission power to offload traffic from the macrocell, thus creating a high spectrum efficiency with low power.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 1, 2015
    Inventors: Shu-hao Yang, Li-chun Wang, Jane-hwa Huang, Ang-hsun Tsai
  • Patent number: 9125590
    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: Grant
    Filed: April 27, 2012
    Date of Patent: September 8, 2015
    Assignee: 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
  • Patent number: 9092518
    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: October 28, 2013
    Date of Patent: July 28, 2015
    Assignee: Shazam Investments Limited
    Inventors: David L. DeBusk, Darren P. Briggs, Michael Karliner, Richard W. Cheong Tang, Avery Li-Chun Wang