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.:

US 6876312 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 05, 2005

Filed:

Jul. 10, 2001
Applicant:

Ching-chiang Yu, Keelung, TW;

Inventor:

Ching-Chiang Yu, Keelung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M011/00 ;
U.S. Cl.
CPC ...
Abstract

This invention relates to a keyboard with multi-function keys are installed nearby the space bar to make it very convenient to use. The keyboard incorporates the multi-function keys, such as a scroll-control-ball which can move the screen from various directions, an up-down-left-right keys to control the position of the cursor, editing functions keys which provide such functions as cut, copy, paste, mark, recovery, scroll page, insert and delete to enable speedy editing. In addition to the above-mentioned function keys, the multi-function keys comprise a finger-print-identification function device to identify the user. Furthermore, the multi-function keys further comprise a liquid crystal display light to show the status of the numeral and upper and lower case.


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