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:
Aug. 17, 2004
Filed:
Dec. 19, 2002
Isao Fukae, Chofu, JP;
Masaaki Miyata, Machida, JP;
Mitsumi Electric Co., Ltd., Tokyo, JP;
Abstract
A composite antenna apparatus includes a cylindrical member formed by a flexible insulating film rolled into a cylindrical shape, a plurality of antenna patterns formed in a helix pattern on a peripheral surface of the cylindrical member a circuit board fixed to one axial end of the cylindrical member and having a circuit pattern connected to the antenna patterns by soldering, and a monopole antenna disposed inside the cylindrical member and standing up on one surface of the circuit board The circuit board is provided with a first metallic pattern having a predetermined area and formed on the one surface of the circuit board at a position inside the cylindrical member