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:
Feb. 10, 2009
Filed:
Jan. 08, 2004
Shinichiro Kobayashi, Hino, JP;
Toshifumi Yamakawa, Sapporo, JP;
Shinichiro Kobayashi, Hino, JP;
Toshifumi Yamakawa, Sapporo, JP;
Seiko Epson Corporation, , JP;
Abstract
A method is provided for building an information network via an antenna terminal or an antenna cable disposed in a house for receiving television broadcasting or radio broadcasting. The method comprises step (a) of selecting at least one frequency not used by television broadcasting or radio broadcasting in an area where the house is located; step (b) of modulating a carrier wave having the frequency selected in step (a) by using transmission data transmitted from a first information terminal and transmitting the modulated carrier wave via the antenna terminal or the antenna cable; and step (c) of receiving the carrier wave transmitted in step (b) and demodulating the carrier wave to produce reception data received by a second information terminal.