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:
Nov. 22, 2022
Filed:
Oct. 27, 2018
Dot Incorporation, Seoul, KR;
DOT INCORPORATION, Seoul, KR;
Abstract
Provided is an information output apparatus. The information output apparatus includes: an expression surface including a plurality of expression holes; a plurality of pins configured to protrude to the expression surface through the expression holes and express a protrusion signal on the expression surface; a plurality of first movement units located at an inner side of the expression surface and configured such that at least a portion of the plurality of first movement units moves in a first direction when an electric signal is applied thereto; and a plurality of second movement units located at the inner side of the expression surface and configured to move in a second direction different from the first direction in cooperation with the motion of the first movement units and drive each of the plurality of pins such that the each of the plurality of pins protrudes to the expression surface through each of the expression holes.