P

Inventor

PLUMMER WILLIAM T

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

POLAROID CORP

44 patents
US6643390B1Nov 4, 2003

Compact fingerprint identification device

POLAROID CORP95 citations98
US4647975AMar 3, 1987

Exposure control system for an electronic imaging camera having increased dynamic range

POLAROID CORP221 citations97
US4689696AAug 25, 1987

Hybrid image recording and reproduction system

POLAROID CORP65 citations96
US4681451AJul 21, 1987

Optical proximity imaging method and apparatus

POLAROID CORP102 citations96
US4650292AMar 17, 1987

Analytic function optical component

POLAROID CORP114 citations96
US4416514ANov 22, 1983

Color filter

POLAROID CORP101 citations96
US4293892AOct 6, 1981

Zoom light apparatus

POLAROID CORP60 citations96
US4264167AApr 28, 1981

Adapter for coupling a camera with a viewing device

POLAROID CORP64 citations96
US5327291AJul 5, 1994

Compact objective lens

POLAROID CORP88 citations95
US4786964ANov 22, 1988

Electronic color imaging apparatus with prismatic color filter periodically interposed in front of an array of primary color filters

POLAROID CORP108 citations95
US6011577AJan 4, 2000

Modular optical print head assembly

POLAROID CORP46 citations94
US5260828ANov 9, 1993

Methods and means for reducing temperature-induced variations in lenses and lens devices

POLAROID CORP104 citations93
US4992824AFeb 12, 1991

Apparatus and method utilizing an LCD for printing

POLAROID CORP22 citations93
US4989959AFeb 5, 1991

Anti-aliasing optical system with pyramidal transparent structure

POLAROID CORP49 citations93
US4843481AJun 27, 1989

CCD scanning apparatus for use with rotary head printer

POLAROID CORP29 citations93
US4707063ANov 17, 1987

Widely spaced fiber optic connector and multiplexer/demultiplexer using same

POLAROID CORP25 citations93
US4687926AAug 18, 1987

Spectrally filtered lens producing plural f-numbers with different spectral characteristics

POLAROID CORP34 citations93
US4589745AMay 20, 1986

Geometric LED layout for line exposure

POLAROID CORP26 citations93
US4531702AJul 30, 1985

Injection mold for forming optical fiber connector

POLAROID CORP43 citations93
US4356538AOct 26, 1982

Photographic lighting apparatus

POLAROID CORP29 citations93
US4272186AJun 9, 1981

Camera method and apparatus for recording with selected contrast

POLAROID CORP33 citations93
US4157216AJun 5, 1979

Adapter for optically coupling a photographic camera with a viewing device

POLAROID CORP38 citations93
US4018514AApr 19, 1977

Apparatus for retinal photography

POLAROID CORP33 citations93
US5176972AJan 5, 1993

Imaging medium with low refractive index layer

POLAROID CORP49 citations92
US4759596AJul 26, 1988

Wavelength selective optical cavity including holographic filter layers

POLAROID CORP31 citations92
US4675531AJun 23, 1987

Optical scanner having a multi-surfaced lens arrangement for producing a rotationally symmetric beam

POLAROID CORP45 citations92
US6122115ASep 19, 2000

Method and device for mounting optical components

POLAROID CORP25 citations91
US6101333AAug 8, 2000

Method and apparatus for acquiring electronic and/or photographic images

POLAROID CORP22 citations91
US5933278AAug 3, 1999

Monolithic multi-faceted mirror for combining multiple beams from different light sources by reflection

POLAROID CORP27 citations91
US4925267AMay 15, 1990

Structure and fabrication of components for connecting optical fibers

POLAROID CORP48 citations91
US6595427B1Jul 22, 2003

Method and apparatus for encoding and decoding information in a non-visible manner

POLAROID CORP33 citations90
US4816939AMar 28, 1989

Magnetic recording media and servo systems using light-transmitting optical gratings

POLAROID CORP69 citations90
US4806034AFeb 21, 1989

Write head controller with grid synchronization

POLAROID CORP22 citations82
US4147408AApr 3, 1979

Back projection viewing screen

POLAROID CORP21 citations82
US4105308AAug 8, 1978

Aspheric plastic triplet

POLAROID CORP21 citations81
US4814118AMar 21, 1989

Method of molding a connector for optical fibers

POLAROID CORP19 citations80
US6097552AAug 1, 2000

Autofocus actuator device

POLAROID CORP16 citations75
US6104533AAug 15, 2000

Viewfinder with diffractive optical element

POLAROID CORP9 citations74
US4971869ANov 20, 1990

Color encoding photographic film

POLAROID CORP8 citations74
US4701045AOct 20, 1987

Method and apparatus for reducing optical artifacts

POLAROID CORP7 citations74
US4689005AAug 25, 1987

Molding apparatus

POLAROID CORP12 citations74
US4681427AJul 21, 1987

Electronic printing method

POLAROID CORP17 citations74
US4649324AMar 10, 1987

Method and apparatus for adjusting CRT geometry

POLAROID CORP17 citations74
US4549891AOct 29, 1985

Method for forming a non-symmetrical optical fiber

POLAROID CORP14 citations74

WTP OPTICS INC

3 patents

ROBOTIC VISION SYSTEMS

2 patents

ADC TELECOMMUNICATIONS INC

1 patent

Showing the top 50 of 85 patents by PatentIndex Score.