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:
Oct. 13, 2009
Filed:
Sep. 19, 2005
Kazuo Akaike, Saitama, JP;
Makoto Okamoto, Saitama, JP;
Tsutomu Yamakawa, Saitama, JP;
Minoru Fukuda, Saitama, JP;
Kozo Ono, Saitama, JP;
Nobuo Tsukamoto, Tokyo, JP;
Kazuo Akaike, Saitama, JP;
Makoto Okamoto, Saitama, JP;
Tsutomu Yamakawa, Saitama, JP;
Minoru Fukuda, Saitama, JP;
Kozo Ono, Saitama, JP;
Nobuo Tsukamoto, Tokyo, JP;
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Abstract
A high-frequency wireless communication device is provided that is capable of enlarging the range of communication by enhancing reception sensitivity while avoiding mutual interference. The device comprises an antenna filter and a direct detection type reception mechanism connected to the antenna filter. A crystal filter is used as the antenna filter. A crystal chip constituting the crystal filter and an IC chip into which the reception mechanism is integrated are housed in a single modular container to configure a high-frequency wireless module.