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:
Mar. 20, 2007
Filed:
Apr. 28, 2000
Hiroyuki Waki, Hirakata, JP;
Tatsuya Shimoji, Neyagawa, JP;
Shusuke Haruna, Itami, JP;
Chikara Yoshida, Kyoto, JP;
Hiroyuki Waki, Hirakata, JP;
Tatsuya Shimoji, Neyagawa, JP;
Shusuke Haruna, Itami, JP;
Chikara Yoshida, Kyoto, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A digital broadcast system includes a receiving device, one or more communication devices, and a broadcast station device. The receiving device includes a receiver for receiving a digitally broadcast program; a presentor for presenting the program received by the receiver to a viewer; and means for sending program ID information that specifies either the presented program or a program related to the presented program. Each of the communication devices receives the sent program ID information and sends communication device ID information to the broadcast station device together with the received program ID information. The broadcast station device receives the program ID information and the device ID information, and sends viewer targeted program specific service information to each of the communication devices identified by the received device ID information.