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:
Feb. 10, 1998
Filed:
Jan. 20, 1995
Yoshihisa Miwa, Nara, JP;
Shunju Anzai, Nara, JP;
Hideo Matsuda, Nara, JP;
Takashi Kubo, Yamatokoriyama, JP;
Toshiki Ohgita, Nara-ken, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A signal input device which includes an operation panel having an input area in which data are input by touching the operation panel, a plurality of sensors located at different places on the operation panel, the sensors receiving vibrations propagated from a touched point on the operation panel, a detection circuit for detecting times at which the sensors receive the vibrations, an arithmetic means for identifying the position of the touched point, a memory means for storing numerical values whereby the input area is divided into a plurality of minor areas, and means for judging which minor areas the touched points belong to, on the basis of the arithmetic results of the numerical values and data about the positions of the touched points.