Inventor
ZUCKER FRIEDHELM
DE29 patents
⚠️ This page may combine multiple inventors who share the name “ZUCKER FRIEDHELM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON BRANDT GMBH
22 patentsUS5812519ASep 22, 1998
ROM-RAM Disk
THOMSON BRANDT GMBH49 citations92
US5715232AFeb 3, 1998
Recording and reproduction of items of information using ROM-RAM storage media
THOMSON BRANDT GMBH28 citations92
US5031162AJul 9, 1991
Magneto-optical recorded medium with a transparent substrate layer
THOMSON BRANDT GMBH24 citations92
US5016233AMay 14, 1991
Optical scanning arrangement for maintaining constant the light output of a laser beam or the laser current
THOMSON BRANDT GMBH22 citations88
US6198706B1Mar 6, 2001
Optical format compatible recording and/or playback device
THOMSON BRANDT GMBH10 citations74
US5802029ASep 1, 1998
Reproduction and/or recording device for optical recording media of varying storage density
THOMSON BRANDT GMBH16 citations74
US5764605AJun 9, 1998
G factor alignment
THOMSON BRANDT GMBH13 citations74
US5550800AAug 27, 1996
Pick-up with adaptation
THOMSON BRANDT GMBH12 citations74
US5247507ASep 21, 1993
Optical scanning system for a sinusoidal data track
THOMSON BRANDT GMBH16 citations74
US5229902AJul 20, 1993
Circuitry for reversing a magnetic field
THOMSON BRANDT GMBH13 citations74
US5220467AJun 15, 1993
Circuit arrangement for reversing a magnetic field
THOMSON BRANDT GMBH9 citations74
US5202874AApr 13, 1993
Circuit arrangement for identifying the type of an optical record carrier
THOMSON BRANDT GMBH14 citations74
US4959821ASep 25, 1990
Optical pick-up for scanning a magneto-optically recorded medium
THOMSON BRANDT GMBH11 citations74
US5325350AJun 28, 1994
Pick-up for selectively reading and writing an optical recording medium having pits and magnetic domains
THOMSON BRANDT GMBH7 citations73
US5375109ADec 20, 1994
Magneto-optical recording and/or reproducing device
THOMSON BRANDT GMBH3 citations63
US5278713AJan 11, 1994
Cooling device including ribs, in combination with a magnetic head
THOMSON BRANDT GMBH5 citations63
US5278818AJan 11, 1994
Magneto-optical recording circuitry for reversing a magnetic field
THOMSON BRANDT GMBH6 citations63
US4888476ADec 19, 1989
Optical scanning system for focussing a compact-disk player
THOMSON BRANDT GMBH4 citations63
US6285641B1Sep 4, 2001
Device for writing and/or reading optical recording medium of various designs
THOMSON BRANDT GMBH6 citations62
US5519395AMay 21, 1996
Digital recording and reproduction device
THOMSON BRANDT GMBH3 citations62
US6781948B2Aug 24, 2004
Device for reading from and/or writing to optical recording media
THOMSON BRANDT GMBH0 citations52
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
THOMSON LICENSING
4 patentsUS7466636B2Dec 16, 2008
Method for generating a corrected error signal, and corresponding apparatus
THOMSON LICENSING13 citations84
US7423563B2Sep 9, 2008
Serial data transfer in a numerically controlled control system to update an output value of the control system
THOMSON LICENSING6 citations63
US7848195B2Dec 7, 2010
Method for transmitting a write strategy to a laser driver
THOMSON LICENSING0 citations52
US7277363B1Oct 2, 2007
Magneto-optical recording or reproducing device
THOMSON LICENSING0 citations42