Inventor

HUFFMAN JOHN W

US23 patents

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

HUFFMAN JOHN W

HEWLETT PACKARD CO

Method and apparatus for hard copy control using automatic sensing devices

Image forming devices, fusing assemblies, and methods of forming an image using control circuitry to control fusing operations

Automatic media size detector

Slide in formatter for image forming devices

Automatic fuser temperature control

Pressure roller for reducing media curl and wave in electrophotographic printers

Electrical component supported on a support member by a ring mount

Method and apparatus for detecting image medium surface defects in an imaging system

Uniform media tensioning of print media during transport in laser printer

Uniform media tensioning of print media during transport in laser printer

Compliant hard fusing pressure roller for reducing media curl and wave in electrophotographic printers

Resonant frequency reciprocating drive mechanism

Ribbon shield for impact printer and method for controlling ink flow therein

HEWLETT PACKARD DEVELOPMENT CO

Electronic device having a light emitting/detecting display screen

Face photo storage system

Controlling printing in response to print media characteristics

Document capture device

Printing device

Controlling printing in response to print media characteristics

Keyboard illumination system and method

Apparatus using resonance of a cavity to determine mass of a load

Method and system for automatically sensing the size of print medium in a printing device

PNEUMO BEAM INTERNATIONAL LTD

Inflatable tent structure