×

Device for transmitting broadcast-program information and allowing other information sources to be accessed

  • US 6,230,324 B1
  • Filed: 04/11/1997
  • Issued: 05/08/2001
  • Est. Priority Date: 05/27/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A broadcast-program information sending device for extracting information which a terminal device requests and sending said information, comprising:

  • a keyword management unit storing correspondences between keywords and addresses of information sources which provide information relevant to respective ones of said keywords;

    a check unit that checks whether broadcast program information to be sent to a terminal device contains at least one of said keywords;

    an addition unit responding to an indication that a keyword is contained in said broadcast program information by looking up said correspondence stored in said keyword management unit, and attaching to said keyword an access button that specifies an address of a corresponding one of said information sources, said access button being used in said terminal device for accessing said corresponding information source; and

    a sending unit sending said broadcast program information including said attached access buttons to said terminal device.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×