David F Fritz

US Patent:

6503006, Jan 7, 2003

Filed:

May 31, 2000

Appl. No.:

09/583939

Inventors:

Sharon Corinne Freedman - Morrisville NC
David Francis Fritz - Raleigh NC
Robert William Kruppa - Cary NC
Robert Dean Yoder - Cary NC

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

B41J 2315

US Classification:

40012005, 4001201, 40012409

Abstract:

A printer using a power reduction logic based upon reducing the speed of printing when the dot utilization calculation exceeds a particular power level for that printer. There is also provided a method for printing information at a given power supply capacity level, comprising the steps of: examining the a group of rows of dots to be printed; calculating the maximum dot utilization value for the group; selecting a print speed based on the maximum dot utilization value; printing the first row of the group of rows; and repeating above steps until the information is printed.

US Patent:

62346954, May 22, 2001

Filed:

Jun 25, 1999

Appl. No.:

9/340092

Inventors:

Sharon Corinne Freedman - Morrisville NC
David Francis Fritz - Raleigh NC
Robert William Kruppa - Cary NC
Robert Dean Yoder - Cary NC

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

B41J 2315

US Classification:

40012001

Abstract:

A printer using a power reduction logic based upon reducing the speed of printing when the dot utilization calculation exceeds a particular power level for that printer. There is also provided a method for printing information at a given power supply capacity level, comprising the steps of: examining the a group of rows of dots to be printed; calculating the maximum dot utilization value for the group; selecting a print speed based on the maximum dot utilization value; printing the first row of the group of rows; and repeating above steps until the information is printed.