Inventor
GEYER FREDERICK F
US12 patents
⚠️ This page may combine multiple inventors who share the name “GEYER FREDERICK F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
10 patentsUS4475179AOct 2, 1984
Optical disc write/read methods and apparatus with improved focus and tracking control
EASTMAN KODAK CO41 citations92
US4397527AAug 9, 1983
Apparatus for use in correcting beam anamorphicity by vector diffraction
EASTMAN KODAK CO37 citations92
US4365258ADec 21, 1982
Optical disc unit, fabrication method and cooperating write and/or read apparatus
EASTMAN KODAK CO35 citations91
US4447899AMay 8, 1984
Optical disc method, media and apparatus for writing and/or reading information
EASTMAN KODAK CO21 citations82
US4561086ADec 24, 1985
Optical write/read unit with selective-transparency cover
EASTMAN KODAK CO22 citations81
US4462036AJul 24, 1984
Optical disc assemblies for optical disc write/read apparatus
EASTMAN KODAK CO21 citations80
US4536869AAug 20, 1985
Optical disk assembly
EASTMAN KODAK CO12 citations72
US4672599AJun 9, 1987
Optical disc unit and method and apparatus for writing and/or reading information thereon
EASTMAN KODAK CO5 citations62
US4449139AMay 15, 1984
Optical disc unit, fabrication method and cooperating write and/or read apparatus
EASTMAN KODAK CO5 citations61
US4451836AMay 29, 1984
Optical disc write/read apparatus
EASTMAN KODAK CO6 citations60