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, 2007
Filed:
Dec. 25, 2001
Toshiyuki Hisatsune, Tokyo, JP;
Tsutomu Yamaguchi, Tokyo, JP;
Hirokazu Okabe, Tokyo, JP;
Yutaka Sato, Tokyo, JP;
Toshiyuki Hisatsune, Tokyo, JP;
Tsutomu Yamaguchi, Tokyo, JP;
Hirokazu Okabe, Tokyo, JP;
Yutaka Sato, Tokyo, JP;
Sony Corporation, , JP;
Abstract
Electronic equipment includes an operation mechanism having a plurality of key buttons for inputting operations into the device by the user and a base member connecting the plurality of key buttons, both formed of a luminescent material, and a panel placed above the operation mechanism that is formed from a member which can transmit light emitted by the operation mechanism. A plurality of holes are provided to enable operation of the plurality of key buttons and to enable the user to judge the positions and functions of the key buttons for operation even in darkness.