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. 29, 2012
Filed:
Aug. 04, 2006
Applicants:
Hideki Sasaki, Minato-ku, JP;
Muneo Fukaishi, Minato-ku, JP;
Toru Taura, Minato-ku, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An interface circuit, which uses electromagnetic induction to perform a signal transmission, comprises a transmission coil and a transmission circuit that provides a signal to the transmission coil, thereby causing the transmission coil to output a triangular or roughly triangular magnetic field signal.