Inventor

Johannus Leopoldus Bakx

Inventor

Eindhoven, NL

Overview

21→

Patents

1994–2013

Patent span

Physics

Primary field (CPC G)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer90%

H03FAmplifiers5%

H03HImpedance networks, e.g. resonant circuits5%

PatentTitleYear

8,531,929'Recording methods and devices for recording information on dual layer recordable disks'2013 7,986,598'Recording methods and devices for recording information on dual layer recordable disks'2011 7,623,432'Method of recording information on a multi layer record carrier, and device for recording on a dual layer record carrier'2009 7,505,391'Arrangement for reading an information carrier'2009 7,057,980'Device and method for recording information'2006 7,054,243'Playback apparatus with second variation detection'2006 RE038703'Device for scanning a disc-shaped information carrier with controlled changes in angular and linear velocities'2005 6,785,196'Device and method for recording information on a track having preformed position information'2004 6,762,987'Slicer arrangement'2004 6,753,733'Amplifier circuit and method for reducing stray feedback'2004 6,700,861'Optical disc and apparatus for scanning the optical disc'2004 6,583,396'Optical transducer and recording/playback device comprising the transducer'2003 6,580,680'Optical disc and apparatus for scanning the optical disc'2003 6,559,713'Self-tracking filter'2003 6,320,825'Method and apparatus for recording compressed variable bitrate audio information'2001 6,137,755'Deriving a tracking error signal from a time difference between detector signals'2000 6,075,670'Device for scanning a disc-shaped information carrier with controlled changes in angular and linear velocities'2000 5,844,865'System for storing and reproducing information from a disc shaped information carrier'1998 5,617,399'Write intensity calibration of a recording beam by reading a test pattern written on a buffer sector of a record carrier'1997 5,418,773'Zoned record carrier'1995 5,365,508'Magneto-optical read/write device'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2001Patents assigned to PHILIPS CORP (7)· patent assignee history

1994–2013Based in Eindhoven, NL· patent location history

1995Patents assigned to IBM (1)· patent assignee history

2003–2011Patents assigned to KONINKL PHILIPS ELECTRONICS NV (13)· patent assignee history

2013Patents assigned to BAKX JOHANNUS LEOPOLDUS (1)· patent assignee history

2013Patents assigned to KONINKL PHILIPS NV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONINKL PHILIPS ELECTRONICS NV	13	2003–2011
PHILIPS CORP	7	1994–2001
BAKX JOHANNUS LEOPOLDUSself	1	2013
IBM	1	1995
KONINKL PHILIPS NV	1	2013

Locations

Location	Patents	Span
Eindhoven, NL	21	1994–2013