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:
Jan. 28, 2003
Filed:
Nov. 12, 1999
Toshiyasu Kitamura, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A water-proof structure of a key sheet periphery portion of a portable terminal device. The device includes an upper cover having a rib with a substantially convex cross-section provided around an operating portion, a printed board for receiving an operation input from the operating portion, and a key sheet provided between the upper cover and the printed board, having a rib with a substantially convex cross-section provided contacting with the printed board with a center shared with the rib with the substantially convex cross-section provided in the upper cover. The key sheet is provided with input buttons (key top) constituting the operating portion.