Patents by Inventor Chin-Wang Yeh

Chin-Wang Yeh 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: 8910233
    Abstract: A signal processing apparatus includes a first signal processing block and a second signal processing block. The first signal processing block is utilized for processing an input signal to generate a first target processing result, including a plurality of packets initially reproduced from the input signal, to an output port of the first signal processing circuit, where each of the packets contains a corresponding packet identifier (PID). The second signal processing block has an input port coupled to the output port of the first signal processing circuit, and is utilized for processing the first target processing result according to PIDs of the packets and accordingly generating a second target processing result. There is no buffer coupled between the output port of the first signal processing circuit and the input port of the second signal processing circuit.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: December 9, 2014
    Assignee: Mediatek Inc.
    Inventors: Ching-Chieh Wang, You-Min Yeh, Chin-Wang Yeh, Rong-Liang Chiou
  • Patent number: 8902893
    Abstract: A packet processing apparatus includes a packet identifying unit and a packet modifying unit. The packet identifying unit is utilized for receiving a plurality of packets and checking identification information and data length information which are derived from the received packets to identify first packets from the received packets. The packet modifying unit is coupled to the packet identifying unit, and is utilized for checking payloads of the first packets to identify second packets from the first packets, where each of the second packets has specific data included in a payload thereof, and for modifying at least the payload of each of the second packets.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: December 2, 2014
    Assignee: Mediatek Inc.
    Inventors: Chin-Wang Yeh, You-Min Yeh, Rong-Liang Chiou, Yu-Hsiung Deng, Ching-Chieh Wang
  • Patent number: 8369413
    Abstract: A transport stream processing system capable of recording and playing back a transport stream carrying a plurality of transport stream packets is provided, and includes: a first memory unit storing a plurality of sets of control words; a packet identifier filter acquiring a set of control words according to a packet identifier value of a transport stream packet and configuring an indicator to indicate whether the transport stream packet is for a recording or a playback operation; a second memory unit storing a plurality of data structures, wherein each data structure corresponds to an index number of each set of control words; and a processor determining whether the recording or playback operation for the transport stream packet is performed for the transport stream packet according to the indicator, retrieving a data structure according to the index number corresponding to the acquired set of control words and performing the operation accordingly.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: February 5, 2013
    Assignee: Mediatek Inc.
    Inventors: You-Min Yeh, Chin-Wang Yeh
  • Patent number: 8321767
    Abstract: A packet processing apparatus includes a packet identifying unit and a packet modifying unit. The packet identifying unit is utilized for receiving a plurality of packets and checking identification information derived from the received packets to identify first packets from the received packets. The packet modifying unit is coupled to the packet identifying unit, and is utilized for checking payloads of the first packets to identify second packets from the first packets, where each of the second packets has specific data included in a payload thereof, and for modifying at least the payload of each of the second packets.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: November 27, 2012
    Assignee: Mediatek Inc.
    Inventors: Chin-Wang Yeh, You-Min Yeh, Rong-Liang Chiou, Yu-Hsiung Deng, Ching-Chieh Wang
  • Publication number: 20100272186
    Abstract: A transport stream processing system capable of recording and playing back a transport stream carrying a plurality of transport stream packets is provided, and includes: a first memory unit storing a plurality of sets of control words; a packet identifier filter acquiring a set of control words according to a packet identifier value of a transport stream packet and configuring an indicator to indicate whether the transport stream packet is for a recording or a playback operation; a second memory unit storing a plurality of data structures, wherein each data structure corresponds to an index number of each set of control words; and a processor determining whether the recording or playback operation for the transport stream packet is performed for the transport stream packet according to the indicator, retrieving a data structure according to the index number corresponding to the acquired set of control words and performing the operation accordingly.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 28, 2010
    Applicant: MEDIATEK INC.
    Inventors: You-Min Yeh, Chin-Wang Yeh
  • Publication number: 20100162089
    Abstract: A packet processing apparatus includes a packet identifying unit and a packet modifying unit. The packet identifying unit is utilized for receiving a plurality of packets and checking identification information derived from the received packets to identify first packets from the received packets. The packet modifying unit is coupled to the packet identifying unit, and is utilized for checking payloads of the first packets to identify second packets from the first packets, where each of the second packets has specific data included in a payload thereof, and for modifying at least the payload of each of the second packets.
    Type: Application
    Filed: November 24, 2009
    Publication date: June 24, 2010
    Inventors: Chin-Wang Yeh, You-Min Yeh, Rong-Liang Chiou, Yu-Hsiung Deng, Ching-Chieh Wang
  • Publication number: 20100157158
    Abstract: A signal processing apparatus includes a first signal processing block and a second signal processing block. The first signal processing block is utilized for processing an input signal to generate a first target processing result, including a plurality of packets initially reproduced from the input signal, to an output port of the first signal processing circuit, where each of the packets contains a corresponding packet identifier (PID). The second signal processing block has an input port coupled to the output port of the first signal processing circuit, and is utilized for processing the first target processing result according to PIDs of the packets and accordingly generating a second target processing result. There is no buffer coupled between the output port of the first signal processing circuit and the input port of the second signal processing circuit.
    Type: Application
    Filed: November 20, 2009
    Publication date: June 24, 2010
    Inventors: Ching-Chieh Wang, You-Min Yeh, Chin-Wang Yeh, Rong-Liang Chiou
  • Publication number: 20100158042
    Abstract: A packet processing apparatus includes a packet identifying unit and a packet modifying unit. The packet identifying unit is utilized for receiving a plurality of packets and checking identification information and data length information which are derived from the received packets to identify first packets from the received packets. The packet modifying unit is coupled to the packet identifying unit, and is utilized for checking payloads of the first packets to identify second packets from the first packets, where each of the second packets has specific data included in a payload thereof, and for modifying at least the payload of each of the second packets.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 24, 2010
    Inventors: Chin-Wang Yeh, You-Min Yeh, Rong-Liang Chiou, Yu-Hsiung Deng, Ching-Chieh Wang