| US 7,594,247 B2 | ||
| Method and apparatus for preparing and transmitting electronic program information and apparatus for producing electronic program guide from the electronic program information | ||
| Yuko Arai, Tokyo (Japan); Takeshi Nagao, Kawaguchi (Japan); Kenichi Fujita, Kawasaki (Japan); Hiroki Shinohara, Yokohama (Japan); Takayuki Suzuki, Tokyo (Japan); and Aki Nakagawa, Fujisawa (Japan) | ||
| Assigned to Panasonic Corporation, Osaka (Japan) | ||
| Filed on May 28, 2004, as Appl. No. 10/855,610. | ||
| Application 10/855610 is a division of application No. 09/204142, filed on Dec. 03, 1998. | ||
| Claims priority of application No. 9-352048 (JP), filed on Dec. 05, 1997. | ||
| Prior Publication US 2004/0221307 A1, Nov. 04, 2004 | ||
| Int. Cl. G06F 13/00 (2006.01); G06F 3/00 (2006.01); H04N 5/445 (2006.01); H04N 7/173 (2006.01) | ||
| U.S. Cl. 725—54 [725/39; 725/112; 725/116] | 2 Claims |
| 1. A program information preparing and transmitting apparatus, comprising:
a program information preparing unit that describes i) information indicating a single program over transmission bands for
a plurality of channels, in, program information of in only a specific one channel specified among the plurality of channels,
and ii) link information in program information of information of channels other than the specified channel, the link information
showing reference to be made to the information of the program over the transmission bands for the plurality of channels and
being described in the program information of the specified channel; and
a multiplexing unit that multiplexes the program information described by the program information preparing unit with video
and audio signals of the program over the transmission bands for the plurality of channels and transmits data of the multiplexed
information as a transport stream.
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