Patents by Inventor Chuandong Cao

Chuandong Cao 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: 20150208134
    Abstract: Provided are an IPTV program search method, device and system, and the method includes: an IPTV search server transmits, to a search template, search results corresponding to part of identifiers of M search results determined according to user search criteria carried in an initial search request; and the IPTV search server transmits, upon reception of a further search request from the search template with respect to said user search criteria, search results corresponding to part or all of identifiers of search results, of which corresponding search results have not been transmitted to the search template, to the search template, until the IPTV search server no longer receives any further search request, or until all of search results corresponding to identifiers of search results matching the user search criteria are already transmitted to the search template.
    Type: Application
    Filed: August 8, 2013
    Publication date: July 23, 2015
    Inventors: Chuandong Cao, Tao Zhang, Jingang Yang, Chunyan Zhou