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:
Dec. 31, 2019
Filed:
Jan. 05, 2018
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Takashi Otsuki, Hyogo, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 7/04 (2006.01); H01Q 7/06 (2006.01); H01F 27/28 (2006.01); G01R 33/34 (2006.01); H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 7/04 (2013.01); G01R 33/34084 (2013.01); H01F 27/2823 (2013.01); H01Q 7/06 (2013.01); H04B 5/0025 (2013.01);
Abstract
An antenna device includes a magnetic portion and a coil. The magnetic portion includes a plurality of magnetic pieces arranged. The plurality of magnetic pieces are individual pieces of a magnetic body. The coil is formed of a litz wire coiled around the magnetic portion. The litz wire includes a bundle of a plurality of conducting wires.