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. 21, 1993
Filed:
Feb. 26, 1991
Applicant:
Inventor:
Gene H Olson, Minneapolis, MN (US);
Assignee:
Digi International, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395250 ;
Abstract
This invention is an improved method for transmit polling of buffered UARTs. For each polling interval, the method predicts the minimum number of characters needed to keep the transmitter from going idle before the next polling interval and places exactly that many characters in the transmit fifo.