Inventor
CHOATE ALBERT G
US18 patents
⚠️ This page may combine multiple inventors who share the name “CHOATE ALBERT G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPTICAL GAGING PROD INC
13 patentsUS5897195AApr 27, 1999
Oblique led illuminator device
OPTICAL GAGING PROD INC152 citations97
US5690417ANov 25, 1997
Surface illuminator with means for adjusting orientation and inclination of incident illumination
OPTICAL GAGING PROD INC281 citations95
US6518996B1Feb 11, 2003
Compact video inspection apparatus with Y, Z, X compounded measurement axes
OPTICAL GAGING PROD INC34 citations92
US6179439B1Jan 30, 2001
High-incidence programmable surface illuminator for video inspection systems
OPTICAL GAGING PROD INC49 citations92
US5832107ANov 3, 1998
Optical system for stereoscopically measuring feature heights based on lateral image offsets
OPTICAL GAGING PROD INC37 citations92
US5668665ASep 16, 1997
Telecentric, parfocal, multiple magnification optical system for videoinspection apparatus
OPTICAL GAGING PROD INC38 citations92
US5619031AApr 8, 1997
Variable magnification apparatus for reticle projection system
OPTICAL GAGING PROD INC24 citations92
US5402193AMar 28, 1995
Method and means for projecting images in a contour projector
OPTICAL GAGING PROD INC49 citations92
US6488398B1Dec 3, 2002
Variable F/number substage illuminator for multiple magnification and zoom telecentric system
OPTICAL GAGING PROD INC25 citations90
US6161940ADec 19, 2000
Large area collimated substage illuminators for gaging applications
OPTICAL GAGING PROD INC27 citations89
US5993009ANov 30, 1999
Multiple magnification contour projector
OPTICAL GAGING PROD INC12 citations73
US5523583AJun 4, 1996
Telecentric variable magnification optical system for video based inspection system
OPTICAL GAGING PROD INC16 citations73
US6362882B1Mar 26, 2002
Reticle projection system for video inspection apparatus
OPTICAL GAGING PROD INC8 citations65