Inventor
LEHR STEFFEN
DE16 patents
⚠️ This page may combine multiple inventors who share the name “LEHR STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON BRANDT GMBH
5 patentsUS5452195ASep 19, 1995
Start-up circuit for a switch mode power supply
THOMSON BRANDT GMBH70 citations93
US6363044B1Mar 26, 2002
Automatically adapting forward or reversed biased photodiode detection circuit
THOMSON BRANDT GMBH19 citations82
US5381329AJan 10, 1995
Switch mode power supply for a television receiver and method of controlling therefor
THOMSON BRANDT GMBH2 citations61
US5300865AApr 5, 1994
Self adjusting blanking signal generator
THOMSON BRANDT GMBH3 citations61
US5396193AMar 7, 1995
Frequency response-compensated circuit
THOMSON BRANDT GMBH0 citations51
THOMSON LICENSING SA
3 patentsUS6539036B2Mar 25, 2003
Laser control loop with automatic adaptation to the monitoring signal polarity
THOMSON LICENSING SA22 citations89
US6650605B1Nov 18, 2003
Apparatus for scanning optical recording media
THOMSON LICENSING SA2 citations62
US6577572B2Jun 10, 2003
Apparatus for reproduction or recording data or information with a photodetector and digital error signal and evaluation signal processing
THOMSON LICENSING SA1 citations50
THOMSON LICENSING
3 patentsUS7161882B2Jan 9, 2007
Method and arrangement for regulating the light power of a scanning beam in an apparatus for reading from or for writing to optical recording media
THOMSON LICENSING19 citations81
US7170833B2Jan 30, 2007
Apparatus for scanning optical recording media using DPD tracking method with analog and digital delay elements
THOMSON LICENSING2 citations62
US7599412B2Oct 6, 2009
Method and electronic circuit for controlling of a supply voltage of a laser diode
THOMSON LICENSING3 citations61