Inventor
SCHROEDER HEINZ-JOERG
DE16 patents
⚠️ This page may combine multiple inventors who share the name “SCHROEDER HEINZ-JOERG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON BRANDT GMBH
11 patentsUS5031162AJul 9, 1991
Magneto-optical recorded medium with a transparent substrate layer
THOMSON BRANDT GMBH24 citations92
US6304542B1Oct 16, 2001
Compact dual wavelength optical pickup head
THOMSON BRANDT GMBH10 citations73
US6219316B1Apr 17, 2001
Recording or reproducing device for recording media having different track spacings
THOMSON BRANDT GMBH9 citations73
US5325350AJun 28, 1994
Pick-up for selectively reading and writing an optical recording medium having pits and magnetic domains
THOMSON BRANDT GMBH7 citations73
US5033041AJul 16, 1991
A tracking circuit for returning an optical beam to a track being scanned on a compact disk after being jarred away
THOMSON BRANDT GMBH7 citations73
US5251196AOct 5, 1993
Optical pick-up selectively reading and writing an optical and magneto-optical recorded medium
THOMSON BRANDT GMBH10 citations72
US6865744B2Mar 8, 2005
Disk drive with compensation of disk eccentricity
THOMSON BRANDT GMBH4 citations62
US6366552B1Apr 2, 2002
Disk drive with compensation of disk eccentricity
THOMSON BRANDT GMBH4 citations62
US6285641B1Sep 4, 2001
Device for writing and/or reading optical recording medium of various designs
THOMSON BRANDT GMBH6 citations62
US6195318B1Feb 27, 2001
Method for the correction of a tracking error signal during optical scanning of a recording medium in the form of a disc
THOMSON BRANDT GMBH0 citations51
US5940359AAug 17, 1999
Optical disk apparatus with means to selectably insert additional optical elements in an optical beams path
THOMSON BRANDT GMBH0 citations41
THOMSON LICENSING SA
3 patentsUS6678222B1Jan 13, 2004
Apparatus for reading from or writing to optical recording media having a tilting-compensation device
THOMSON LICENSING SA6 citations62
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