Inventor
HOF ALBRECHT
DE15 patents
⚠️ This page may combine multiple inventors who share the name “HOF ALBRECHT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZEISS STIFTUNG
8 patentsUS6089713AJul 18, 2000
Spectacle lens with spherical front side and multifocal back side and process for its production
ZEISS STIFTUNG110 citations97
US5307151AApr 26, 1994
Method and apparatus for three-dimensional optical measurement of object surfaces
ZEISS STIFTUNG135 citations97
US5135309AAug 4, 1992
Method and apparatus for non-contact measuring of object surfaces
ZEISS STIFTUNG69 citations95
US5379107AJan 3, 1995
Process and apparatus for the measurement of object topographies by means of projected fringe patterns
ZEISS STIFTUNG22 citations92
US5343294AAug 30, 1994
Method for analyzing periodic brightness patterns
ZEISS STIFTUNG30 citations92
US4963728AOct 16, 1990
Coordinate measuring apparatus having an optical sensing head
ZEISS STIFTUNG38 citations91
US6523443B1Feb 25, 2003
Process for manufacturing optical surfaces and shaping machine for carrying out this process
ZEISS STIFTUNG47 citations90
US6276066B1Aug 21, 2001
Positioning device
ZEISS STIFTUNG3 citations58