Inventor

Gerard E. Van Rosmalen

Inventor

Eindhoven, NL

Overview

1976–2004

Patent span

Physics

Primary field (CPC G)

Patents· 59 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 transducer63%

G02BOptical elements, systems or apparatus10%

G01BMeasuring length, thickness or similar linear dimensions3%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%

G01DMeasuring not specially adapted for a specific variable2%

H01JElectric discharge tubes or discharge lamps2%

H02KDynamo-electric machines2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

B29DProducing particular articles from plastics or from substances in a plastic state1%

B82YSpecific uses or applications of nanostructures1%

PatentTitleYear

6,745,946'Device for scanning an electromagnetically suspended information carrier'2004 6,649,093'Method of manufacturing an optically scannable information carrier'2003 6,594,205'Optical scanning device with parallel-controlled actuators'2003 6,262,953'Apparatus for reading and/or writing information from/on a recording medium'2001 6,130,418'Optical scanning unit having a main lens and an auxiliary lens'2000 6,118,747'Scanning device for optical discs'2000 5,995,269'Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit'1999 5,825,740'Device for scanning information tracks on a record carrier'1998 5,802,033'Optical apparatus for scanning a tape-shaped record carrier'1998 5,789,852'Rapidly scanning cathode-ray tube laser'1998 5,789,743'Optical scanning device, and apparatus provided with such a device, employing scanning element having reflective measuring reference face'1998 5,784,168'Position detection system for an object with at least five degrees of freedom'1998 5,661,704'Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit'1997 5,661,710'Record carrier, recording device and reading device'1997 5,633,851'A scanning device producing a first and a second scanning spot which move in different directions and an apparatus containing that device which uses the first spot for reading and/or recording and the second spot to monitor such reading and/or recording'1997 5,612,945'Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device'1997 5,581,534'Device for realizing a longitudinal pattern of substantially parallel tracks in a record carrier which controls movement of the record carrier on the basis of trackpitch'1996 5,579,295'Scanning device and optical player comprising the scanning device'1996 5,548,114'Optical scanning device for scanning a record carrier with a scanning spot which deviates in a direction transverse to the scanning direction by an amount less than a trace pitch because of vibration'1996 5,524,004'Suspension for the optical head of a disc scanner with mechanical limiting of objective lens'1996 5,521,464'Rapidly scanning cathode ray tube/scanning laser'1996 5,337,298'Rapid access optical scanner having a long optical element'1994 5,289,442'Optical scanner with a long fast access stroke'1994 5,245,182'Optical recording and/or reproducing apparatus with optical sensing of scanning mirror position'1993 5,235,583'Optical scanning for record carriers adapted for reading with differing wavelengths'1993 5,191,221'Optical device determining the position and orientation of an object, and optical recording and/or reproducing apparatus including the device'1993 5,171,984'Scanning device comprising a rotatable mirror, drive unit for use in the scanning device, using permanent magnetic rotor body and stationary stator section'1992 5,117,413'Coil drive for pivotable mounted optical scanner'1992 5,014,254'Magneto-optical recording method and magneto-optical recording apparatus'1991 4,972,403'Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier'1990 4,890,905'Replica lens and method of manufacturing same'1990 4,882,723'Device for optically scanning a rotating disc'1989 4,870,508'Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier'1989 4,864,118'Optical scanning unit with tracking error detection'1989 4,796,245'Optical disc reader having lens mounting with improved positioning control'1989 4,783,775'Driver for an objective of an optical scanning unit'1988 4,773,055'Videodisc focusing and tracking servo'1988 4,747,668'Optical scanning unit'1988 4,694,442'Disc reader with obliquity correction'1987 4,638,471'Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective'1987 4,561,081'Opto-electronic apparatus for inscribing and/or reading recording tracks by means of a radiation beam'1985 4,557,564'Movable scanning unit for an optical recording or playback apparatus'1985 4,546,463'Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation'1985 4,536,864'Apparatus for reading an optically coded disc-shaped record carrier'1985 4,514,837'Apparatus for optically reading and/or recording information'1985 4,469,945'Device for detecting radiation and semiconductor device for use in such a device'1984 4,425,043'Device for detecting the position of an object'1984 4,423,496'Apparatus for reading and/or writing an optically readable information structure'1983 4,389,101'Device for pivoting an optical element under electro-dynamic control'1983 4,374,324'Optical focussing device with inclination detection'1983 4,193,091'Optical videodisc read unit with tracking and focussing wobblers'1980 4,135,206'Objective mount for video disc player'1979 4,073,567'Pivoting mirror device'1978 4,074,312'Automatic dithering optical focusing system using an oscillating mirror in the path of the radiation beam'1978 4,063,287'Tracking mirror device for a video disc player'1977 4,060,248'Playing apparatus, in particular a video player for playing a record which is made of a transparent material and provided with a central hole'1977 4,032,776'Automatic optical focussing system'1977 3,969,575'Opto-electronic focus detection system'1976 3,969,574'Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2001Patents assigned to PHILIPS CORP (56)· patent assignee history

1976–2004Based in Eindhoven, NL· patent location history

2003–2004Patents assigned to KONINKL PHILIPS ELECTRONICS NV (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILIPS CORP	56	1976–2001
KONINKL PHILIPS ELECTRONICS NV	3	2003–2004

Locations

Location	Patents	Span
Eindhoven, NL	59	1976–2004