The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2009
Filed:
May. 28, 2004
Yuko Arai, Tokyo, JP;
Takeshi Nagao, Kawaguchi, JP;
Kenichi Fujita, Kawasaki, JP;
Hiroki Shinohara, Yokohama, JP;
Takayuki Suzuki, Tokyo, JP;
Aki Nakagawa, Fujisawa, JP;
Yuko Arai, Tokyo, JP;
Takeshi Nagao, Kawaguchi, JP;
Kenichi Fujita, Kawasaki, JP;
Hiroki Shinohara, Yokohama, JP;
Takayuki Suzuki, Tokyo, JP;
Aki Nakagawa, Fujisawa, JP;
Panasonic Corporation, Osaka, JP;
Abstract
General electronic program information described on a general level and individual electronic program information described on an individual level are prepared according to electronic program information of a channel service of a broadcast service provider for each channel service according to electronic program information degree of detail setting information. The electronic program information degree of detail setting information indicates a degree of detail for the contents of the individual electronic program information described on an individual level and a degree of detail for contents of the general electronic program information described on a general level. The general level corresponds to a low degree of detail, and the individual level corresponds to a high degree of detail. One piece of individual electronic program information of a particular channel service and pieces of general electronic program information of channel services, other than the particular channel service, are multiplexed and transmitted to each viewer. Accordingly, the general electronic program information and the individual electronic program information can be transmitted while effectively using a data transmission band.