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:
May. 08, 2012
Filed:
Sep. 15, 2009
Tsuyoshi Kogawa, Kawagawa, JP;
Kiyoshi Toshimitsu, Shibuya-ku, JP;
Takafumi Sakamoto, Machida, JP;
Koji Ogura, Tachikawa, JP;
Shoji Otaka, Yokohama, JP;
Toshiyuki Umeda, Inagi, JP;
Tsuyoshi Kogawa, Kawagawa, JP;
Kiyoshi Toshimitsu, Shibuya-ku, JP;
Takafumi Sakamoto, Machida, JP;
Koji Ogura, Tachikawa, JP;
Shoji Otaka, Yokohama, JP;
Toshiyuki Umeda, Inagi, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A wireless communication apparatus for performing communication using a first communication scheme which transmits a signal using amplitude shift keying and a second communication scheme which suppresses communication with others except a communication counterpart by transmitting a transmission suppression signal before communication is started. The apparatus includes: a first signal generation unit configured to generate transmission data; a modulation unit configured to generate first and second signals having different amplitudes by amplitude-shift keying the transmission data; a second signal generation unit configured to generate the transmission suppression signal having a signal length corresponding to that of the first signal; and a transmission unit configured to transmit the transmission suppression signal at the timing when the first signal is transmitted.