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. 26, 2017
Filed:
Mar. 13, 2013
Seiko Epson Corporation, Shinjuku-ku, JP;
Shunsuke Koyama, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
To provide a sleeve antenna that can be attached to a chassis while maintaining favorable antenna gain even when using a small circuit board, and a wireless communication device. The sleeve antenna includes: a coaxial feed line; a radiating portionthat has a predetermined length and results from removing an outer conductorat a tip portion of the coaxial feed line; and a sleevethat has a predetermined length and covers the coaxial feed linefrom a proximal end of the radiating portiontoward a direction opposite to the radiating portion. At least one of the radiating portionand the sleevehas a bent portionin at least a portion thereof.