Inventor

CALLAWAY ROBERT P

US8 patents

⚠️ This page may combine multiple inventors who share the name “CALLAWAY ROBERT P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD CO

6 patents

US6017114AJan 25, 2000

Shifted element scanning/printing routine coordinated with media advance

HEWLETT PACKARD CO29 citations92

US5898288AApr 27, 1999

Inexpensive motion control using DC motors

HEWLETT PACKARD CO47 citations92

US5663624ASep 2, 1997

Closed-loop method and apparatus for controlling acceleration and velocity of a stepper motor

HEWLETT PACKARD CO37 citations91

US6485383B1Nov 26, 2002

Thermal compensation belt drive tensioner

HEWLETT PACKARD CO17 citations83

US6340221B1Jan 22, 2002

Ink jet print carriage drive system that applies drive force at location displaced from drive belt

HEWLETT PACKARD CO17 citations83

US4759649AJul 26, 1988

Dual axis paper drive

HEWLETT PACKARD CO11 citations72

HEWLETT PACKARD DEVELOPMENT CO

1 patent

US6674260B1Jan 6, 2004

DC motor control

HEWLETT PACKARD DEVELOPMENT CO23 citations91

CALLAWAY ROBERT P

1 patent

US8719599B2May 6, 2014

Monitoring subsystem power

CALLAWAY ROBERT P1 citations43