Inventor

AKKERMANS ANTONIUS H M

NL14 patents

⚠️ This page may combine multiple inventors who share the name “AKKERMANS ANTONIUS H M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIPS CORP

9 patents

US5757744AMay 26, 1998

Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit

PHILIPS CORP26 citations92

US5793721AAug 11, 1998

Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit

PHILIPS CORP14 citations81

US4861982AAug 29, 1989

Scanning optical microscope with position detection grating

PHILIPS CORP21 citations77

US6314065B1Nov 6, 2001

Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit

PHILIPS CORP8 citations73

US5268885ADec 7, 1993

Method and means for detecting and stablizing control loop parameters of apparatus for scanning a record carrier

PHILIPS CORP7 citations73

US5402401AMar 28, 1995

Scanning device with two-stage controller for positioning a scanning point

PHILIPS CORP3 citations62

US6218800B1Apr 17, 2001

Control system, driving system and control method, apparatus including the driving system

PHILIPS CORP6 citations61

US5140574AAug 18, 1992

Read and/or write device

PHILIPS CORP4 citations60

US5289446AFeb 22, 1994

Device for scanning a record carrier

PHILIPS CORP5 citations59

KONINKL PHILIPS ELECTRONICS NV

5 patents

US6512732B1Jan 28, 2003

Device for optically scanning information tracks on a plane using two subbeams

KONINKL PHILIPS ELECTRONICS NV7 citations72

US6683833B2Jan 27, 2004

Device for scanning a rotating information carrier

KONINKL PHILIPS ELECTRONICS NV11 citations70

US7120094B1Oct 10, 2006

Device for reading and/or writing information from/onto an optical information carrier

KONINKL PHILIPS ELECTRONICS NV1 citations51

US6452876B1Sep 17, 2002

Positioning system and apparatus including the positioning system

KONINKL PHILIPS ELECTRONICS NV0 citations37

US6700848B1Mar 2, 2004

Apparatus for driving a record carrier

KONINKL PHILIPS ELECTRONICS NV0 citations30