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:
Jun. 21, 2005
Filed:
Aug. 30, 2001
Applicant:
Chin-wen Chou, Hsin-Tien, TW;
Inventor:
Chin-Wen Chou, Hsin-Tien, TW;
Assignee:
Shin-Jiuh Corp., Hsin-Tien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F003/00 ;
U.S. Cl.
CPC ...
Abstract
A calculator device mainly adds an additional calculator device capable of processing numeric data to the circuits of a keypad. When the keypad is linked to a computer, the keypad can be used to enter operation commands to the computer to perform processes desired, also can be switched to calculator function to perform numeric calculation when a switch button key (or switch) on the keypad is depressed.