Patents by Inventor Chin-Shun Chang

Chin-Shun Chang 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).

  • Publication number: 20090216448
    Abstract: A Global Positioning System (GPS) navigation apparatus and a positioning method thereof are provided. The GPS navigation apparatus includes a GPS module and a data processing unit. When the GPS module enters into an operation mode from a standby mode, the GPS module starts to output a positioning data. The data processing unit calculates a present position according to the positioning data from the GPS module after a predetermined time interval since the GPS module enters into the operation mode, so as to reduce a positioning error.
    Type: Application
    Filed: July 9, 2008
    Publication date: August 27, 2009
    Applicant: KINPO ELECTRONICS, INC.
    Inventor: Chin-Shun Chang
  • Patent number: 6299266
    Abstract: A mounting arrangement for mounting in a computer a subsystem unit, such as a CD-ROM or hard disk drive, provided with side fixing holes, the arrangement comprising a tray having two upstanding side walls that generally define a space for receiving a subsystem unit, at least one of the side walls being provided with at least one retractable stud and a resilient member for biasing the stud into a position in which the stud extends into the space defined by the side walls in order to engage a side fixing hole in a subsystem unit.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 9, 2001
    Assignee: Hewlett-Packard Company
    Inventors: Frederic Justice, Chin-Shun Chang