P

Inventor

HENSHAW PHILIP D

US10 patents
⚠️ This page may combine multiple inventors who share the name “HENSHAW PHILIP D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPARTA INC

7 patents
US5991033ANov 23, 1999

Interferometer with air turbulence compensation

SPARTA INC66 citations95
US5319629AJun 7, 1994

Content addressable optical data storage system

SPARTA INC80 citations94
US5543914AAug 6, 1996

Apparatus and methods employing harmonic analysis for measuring the difference in phase between two coherent beams

SPARTA INC22 citations91
US4513441AApr 23, 1985

Image comparison system

SPARTA INC37 citations91
US7525102B1Apr 28, 2009

Agent detection in the presence of background clutter

SPARTA INC18 citations82
US4998236AMar 5, 1991

Apparatus for high density holographic optical data storage

SPARTA INC18 citations72
US8014959B2Sep 6, 2011

Population of background suppression lists from limited data in agent detection systems

SPARTA INC0 citations50

SPARTA SYSTEMS INC

1 patent
US5191574AMar 2, 1993

Optical memory method and apparatus utilizing frequency channeling and Stark effect

SPARTA SYSTEMS INC29 citations91

MASSACHUSETTS INST TECHNOLOGY

1 patent
US4508431AApr 2, 1985

Photorefractive laser beamsteering device

MASSACHUSETTS INST TECHNOLOGY22 citations81

LUMEN LAB INC

1 patent
US7088495B2Aug 8, 2006

Method and apparatus for time-division multiplexing to improve the performance of multi-channel non-linear optical systems

LUMEN LAB INC6 citations59