Inventor · Pasadena, TX, US

Donald G. Scharnberg

5Patents
5h-index
14Co-inventors
56Inventor score

Filing activity: Jan 24, 1992 → Dec 3, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6463545B1 BATTERY CALIBRATION SYSTEM FOR DISCHARGING A RECHARGEABLE BATTERY AND GENERATING AN AC DETECT SIGNAL TO POWER MANAGEMENT LOGIC TO MAINTAIN NORMAL COMPUTER OPERATION EVEN WHEN BATTERY IS BELOW CERTAIN LEVEL Physics 18 Expired
US5603055A Single shared ROM for storing keyboard microcontroller code portion and CPU code portion and disabling access to a portion while accessing to the other Physics 15 Expired
US5721836A Method and apparatus for sensing and changing the state of a computer before connecting the computer to or disconnecting the computer from an expansion unit Physics 13 Expired
US7502947B2 System and method of controlling a graphics controller Physics 7 Expired
US5446320A Circuit for clamping power output to ground while the computer is deactivated Physics 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.