Inventor
MARSHALL DANIEL R
US23 patents
⚠️ This page may combine multiple inventors who share the name “MARSHALL DANIEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
8 patentsUS6262851B1Jul 17, 2001
Double-pass projection displays with separate polarizers and analyzers
HEWLETT PACKARD CO62 citations96
US5929892AJul 27, 1999
Beam deflecting for enhanced laser printer scanning
HEWLETT PACKARD CO35 citations92
US5920336AJul 6, 1999
Beam deflecting for resolution enhancement and banding reduction in a laser printer
HEWLETT PACKARD CO22 citations92
US5432763AJul 11, 1995
Subminiature rotary actuator optical head
HEWLETT PACKARD CO54 citations92
US5101393AMar 31, 1992
Optical position error detection using complementary steep angle reflections/transmissions
HEWLETT PACKARD CO12 citations74
US5097455AMar 17, 1992
Enhanced focus sending in optical information storage systems
HEWLETT PACKARD CO7 citations74
US5001333AMar 19, 1991
Method and apparatus for focus error compensation having path length independence
HEWLETT PACKARD CO16 citations74
US5070493ADec 3, 1991
Wedge prism assembly for optical information storage
HEWLETT PACKARD CO12 citations73
HEWLETT PACKARD DEVELOPMENT CO
5 patentsUS6800060B2Oct 5, 2004
Swallowable data recorder capsule medical device
HEWLETT PACKARD DEVELOPMENT CO188 citations99
US6632175B1Oct 14, 2003
Swallowable data recorder capsule medical device
HEWLETT PACKARD DEVELOPMENT CO295 citations99
US6735163B2May 11, 2004
Ultra-high density storage device with resonant scanning micromover
HEWLETT PACKARD DEVELOPMENT CO29 citations92
US6930971B2Aug 16, 2005
Ultra-high density storage device with electron beam steering
HEWLETT PACKARD DEVELOPMENT CO4 citations63
US6937698B2Aug 30, 2005
X-ray generating apparatus having an emitter formed on a semiconductor structure
HEWLETT PACKARD DEVELOPMENT CO1 citations52
MARSHALL DANIEL R
4 patentsUS7550699B1Jun 23, 2009
Removal of unwanted reflections in autofocus systems
MARSHALL DANIEL R21 citations91
US7348528B2Mar 25, 2008
Distance measuring system
MARSHALL DANIEL R28 citations91
US8785835B1Jul 22, 2014
Three-dimensional filter enables adaptive focus sensing
MARSHALL DANIEL R2 citations61
US8481904B2Jul 9, 2013
Autofocus system with stray light compensation
MARSHALL DANIEL R0 citations40
WYKO CORP
3 patentsUS5260572ANov 9, 1993
Scanning probe microscope including height plus deflection method and apparatus to achieve both high resolution and high speed scanning
WYKO CORP25 citations92
US5196713AMar 23, 1993
Optical position sensor with corner-cube and servo-feedback for scanning microscopes
WYKO CORP49 citations92
US5172002ADec 15, 1992
Optical position sensor for scanning probe microscopes
WYKO CORP52 citations92