P

Inventor

HILDEBRAND ALFRED P

US15 patents
⚠️ This page may combine multiple inventors who share the name “HILDEBRAND ALFRED P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SILISCAPE INC

6 patents
US5625372AApr 29, 1997

Compact compound magnified virtual image electronic display

SILISCAPE INC143 citations97
US5644323AJul 1, 1997

Miniature synthesized virtual image electronic display

SILISCAPE INC54 citations96
US5870068AFeb 9, 1999

Twice folded compound magnified virtual image electronic display

SILISCAPE INC19 citations92
US5684497ANov 4, 1997

Twice folded compound magnified virtual image electronic display

SILISCAPE INC23 citations92
US5905478AMay 18, 1999

Twice folded compound magnified virtual image electronic display

SILISCAPE INC15 citations82
US5838498ANov 17, 1998

Miniature synthesized virtual image electronic display

SILISCAPE INC11 citations73

INVISO

2 patents
US5991084ANov 23, 1999

Compact compound magnified virtual image display with a reflective/transmissive optic

INVISO173 citations97
US5959781ASep 28, 1999

Optical method employing total internal reflection

INVISO34 citations95

SILISCAPE

2 patents
US5771124AJun 23, 1998

Compact display system with two stage magnification and immersed beam splitter

SILISCAPE132 citations97
US5892624AApr 6, 1999

Compact display system with two stage magnification and immersed beam splitter

SILISCAPE23 citations91

INVISO INC

2 patents
US6094181AJul 25, 2000

Miniature synthesized virtual image electronic display

INVISO INC42 citations92
US6055110AApr 25, 2000

Compact display system controlled by eye position sensor system

INVISO INC32 citations92

(unassigned)

1 patent
US5973845AOct 26, 1999

Miniature synthesized virtual image electronic display

49 citations96

THREE FIVE SYSTEMS INC

1 patent
US6603443B1Aug 5, 2003

Compact display system controlled by eye position sensory system

THREE FIVE SYSTEMS INC29 citations92

SPECTRA PHYSICS

1 patent
US4064390ADec 20, 1977

Method and apparatus for reading coded labels

SPECTRA PHYSICS34 citations90