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. 08, 2018
Filed:
Dec. 12, 2014
Shenzhen Tcl New Technology Co., Ltd, Shenzhen, Guangdong, CN;
Bo Zhao, Guangdong, CN;
SHENZHEN TCL NEW TECHNOLOGY CO., LTD, Shenzhen, CN;
Abstract
A virtual keyboard system and typing method are provided. The virtual keyboard system includes a projector configured for projecting a key area having keys onto a projection plane, a storage device configured for storing a key value mapping table, a typed position coordinate obtaining device configured for obtaining coordinates of a typed position of the key area, and a key value obtaining device configured for obtaining key values corresponding to the coordinates of the typed position from the key value mapping table. The key values are outputted when a projected virtual key area is touched by a user.