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.

Date of Patent:
Nov. 21, 1995

Filed:

Dec. 23, 1991
Applicant:
Inventor:

Anthony Masterson, Saratoga, CA (US);

Assignee:

Apple Computer, Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345155 ; 345202 ; 395131 ;
Abstract

Apparatus for converting representations of color pixels in a twenty-four bit color format to representations in a fifteen bit color format including an individual circuit for data representing each component of a color, each of the individual circuits including apparatus for selectively incrementing the value the five highest order bits of a value representing a component of a color, apparatus responsive to a value of the lowest order bits of a value representing a component for providing a signal to cause the apparatus for selectively incrementing the five highest order bits, and apparatus for selectively enabling the apparatus responsive to a value of the lowest order bits depending on a desired pattern of pixels.


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