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. 21, 2017
Filed:
Apr. 25, 2011
Applicant:
Chang Lee, Allen, TX (US);
Inventor:
Chang Lee, Allen, TX (US);
Assignee:
Softlayer Technologies, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/36 (2013.01); G06F 3/0488 (2013.01);
U.S. Cl.
CPC ...
G06F 21/36 (2013.01); G06F 3/04886 (2013.01);
Abstract
An electronic device comprises a CPU, and a touch-sensitive screen operable to display a plurality of keys. Each of the plurality of keys are associated with and exhibit a predetermined value, where the keys are arranged so that the predetermined values of the keys are displayed in a random manner. The predetermined values of the plurality of keys have different predetermined display characteristics associated therewith so that the plurality of keys have varied appearances.