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:
Jul. 25, 2017
Filed:
Mar. 24, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An electronic device that includes a drive controller being configured to drive a vibrating element by using a drive signal causing the vibrating element to generate a natural vibration in an ultrasound-frequency-band in a touch surface, the drive controller being configured to drive the vibrating element so as to switch the natural vibration between a strong level and a weak level in accordance with a travel distance of a position of a erformed onto the touch surface, a first memory configured to store first data representing a first passcode corresponding to a number of times the natural vibration is switched between the strong level and the weak level, and a first verification part configured to verify a number of times the drive controller switches the natural vibration between the strong level and the weak level with the first passcode when the touch is performed onto the touch surface.