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:
Jan. 16, 2007
Filed:
May. 09, 2003
Applicant:
David H. Levy, Cambridge, MA (US);
Inventor:
David H. Levy, Cambridge, MA (US);
Assignee:
Digit Wireless, LLC, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A keypad has keys () protruding through a housing () with at least one at-a-distance sensor () located approximately equidistant between each adjacent set of keys (). Each key () has a tactile feedback element () located below and a primary graphic () displayed above. Graphics identifying additional functionality () are disposed off-center to primary graphic (). Locator nubs () are located approximately equidistant between each adjacent set of keys ().