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:
Sep. 23, 2003
Filed:
May. 08, 2000
Applicant:
Inventor:
Hisashi Sato, Kokubu-shi, Kagoshima, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 ;
U.S. Cl.
CPC ...
H04M 1/00 ;
Abstract
A keypad system for a compact electronic machine featuring word processing capability has five keys located on the side walls of electronic machine in order to allow quick and easy entry of alpha numerical information with single hand. Alpha numeric characters are assigned to combinations of electrically-on status and electrically-off status of five keys suitably according to finger movement, usage frequency, and mnemonic manner in order to achieve fast entry speed. The unique location of keys also allows for a relatively large display or mouse ball on the front or bottom surface.