Inventor

ROLLIN JOEL

FR9 patents

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

PHILIPS CORP

4 patents

US5013142AMay 7, 1991

Bifocal optical system

PHILIPS CORP9 citations72

US4907867AMar 13, 1990

Varifocal optical system and associated electro-mechanical control

PHILIPS CORP14 citations72

US4840465AJun 20, 1989

Device for correcting distortion

PHILIPS CORP13 citations72

US4902098AFeb 20, 1990

Device for correcting the total distortion caused by the shape of a transparent wall

PHILIPS CORP12 citations70

THOMSON TRT DEFENSE

2 patents

US5202792AApr 13, 1993

Systems of objectives with optical athermalization

THOMSON TRT DEFENSE59 citations94

US5247173ASep 21, 1993

Device for the acquisition of the instantaneous angular position of moving means and opto-mechanical systems incorporating such a device

THOMSON TRT DEFENSE28 citations87

THALES SA

1 patent

US7180659B2Feb 20, 2007

Multiple field cassegrain-type optical combination

THALES SA15 citations79

THOMSON CSF

1 patent

US6181486B1Jan 30, 2001

Optical architecture for infrared viewing system

THOMSON CSF12 citations67

ROLLIN JOEL

1 patent

US9191585B2Nov 17, 2015

Modular night-vision system with fused optical sensors

ROLLIN JOEL2 citations54