Patents by Inventor JIH CHUN TSAI

JIH CHUN TSAI 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).

  • Method of establishing virtual USB interface for non-USB apparatus and the non-USB apparatus thereof
    Patent number: 8549206
    Abstract: A method of establishing a virtual USB interface for a non-USB device, comprising the steps of establishing a non-USB interface to communicate with the non-USB device, generating a virtual USB physical device object to provide a USB transport layer driver, establishing the virtual USB interface to communicate with the USB transport layer driver, filtering a transmitting command of the USB transport layer driver based on the virtual USB interface, and filtering a returned information of the non-USB device based on the non-USB interface.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 1, 2013
    Assignee: Ralink Technology Corporation
    Inventors: Hao Sheng Hsu, Chiung Hsun Hsu, Jih Chun Tsai
  • METHOD OF ESTABLISHING VIRTUAL USB INTERFACE FOR NON-USB APPARATUS AND THE NON-USB APPARATUS THEREOF
    Publication number: 20120254473
    Abstract: A method of establishing a virtual USB interface for a non-USB device, comprising the steps of establishing a non-USB interface to communicate with the non-USB device, generating a virtual USB physical device object to provide a USB transport layer driver, establishing the virtual USB interface to communicate with the USB transport layer driver, filtering a transmitting command of the USB transport layer driver based on the virtual USB interface, and filtering a returned information of the non-USB device based on the non-USB interface.
    Type: Application
    Filed: September 8, 2011
    Publication date: October 4, 2012
    Applicant: RALINK TECHNOLOGY CORPORATION
    Inventors: Hao Sheng Hsu, Chiung Hsun Hsu, Jih Chun Tsai
  • USB SYSTEM AND POWER MANAGEMENT MODULE AND METHOD THEREOF
    Publication number: 20120166846
    Abstract: A power management module is configured to set up a power mode of a computer system. A peripheral device having a Universal Serial Bus (USB) is connected to the computer system. The power management module includes an Operating System (OS) and a filter driver. The OS is configured to set up the power mode of the computer system, and the filter driver is configured to change the power mode of the computer system according to a packet transmitting/receiving status of the peripheral device.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 28, 2012
    Applicant: RALINK TECHNOLOGY CORPORATION
    Inventors: PAO CHEN WU, JIH CHUN TSAI, PING WEI WU