Inventor
RICHTER HARTMUT
DE27 patents
⚠️ This page may combine multiple inventors who share the name “RICHTER HARTMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON LICENSING
7 patentsUS7541564B2Jun 2, 2009
Optical pickup
THOMSON LICENSING2 citations62
US7158471B2Jan 2, 2007
Device and method for reading multilayer optical disk with compensation of shading effects
THOMSON LICENSING2 citations62
US7596070B2Sep 29, 2009
Device for reading and/or writing optical recording media
THOMSON LICENSING5 citations58
US7477590B2Jan 13, 2009
Optical recording medium having at least two recordable layers
THOMSON LICENSING0 citations51
US7440152B2Oct 21, 2008
Holographic disk medium with servo marks
THOMSON LICENSING0 citations51
US7385905B2Jun 10, 2008
Apparatus for reading from and/or writing to optical recording media
THOMSON LICENSING0 citations51
US7852714B2Dec 14, 2010
Compact pickup for micro optical drive
THOMSON LICENSING0 citations41
THOMSON BRANDT GMBH
6 patentsUS5905708AMay 18, 1999
Focusing two polarized beams onto different information carrier layers of a single optical disc
THOMSON BRANDT GMBH19 citations92
US7009165B2Mar 7, 2006
Optical detection device for detecting an intensity of a light beam and for detecting data transmitted by the light beam
THOMSON BRANDT GMBH26 citations91
US7106687B1Sep 12, 2006
Optical recording medium having at least two recordable layers
THOMSON BRANDT GMBH8 citations73
US6304542B1Oct 16, 2001
Compact dual wavelength optical pickup head
THOMSON BRANDT GMBH10 citations73
US6215738B1Apr 10, 2001
Device for reading from or writing to optical recording media
THOMSON BRANDT GMBH5 citations62
US5841745ANov 24, 1998
Method and apparatus for eliminating disturbances encountered during scanning of an information carrier
THOMSON BRANDT GMBH6 citations62
THOMSON LICENSING SA
3 patentsUS6600704B2Jul 29, 2003
Apparatus for scanning optical recording media having different information carrier layers
THOMSON LICENSING SA13 citations83
US6574183B2Jun 3, 2003
Device for reading from or writing to optical recording media
THOMSON LICENSING SA3 citations62
US6430141B1Aug 6, 2002
Device for reading from or writing to optical recording media
THOMSON LICENSING SA2 citations62