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:
Jul. 19, 2011
Filed:
Dec. 11, 2006
Applicant:
Toru Koike, Tokyo, JP;
Inventor:
Toru Koike, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01);
U.S. Cl.
CPC ...
Abstract
Proposed is a technique for implementing data communication and distance measurement even in a case where data communication and distance measurement share the physical layer. A wireless communication apparatus includes a radio unit and a distance measuring unit. The radio unit performs communication using a frame that includes at least a data period for transferring data and a beacon period for transmitting a beacon. The distance measuring unit utilizes the beacon period to measure the distance from the wireless communication apparatus to a target object whose distance is to be measured.