| Patent | Date |
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Optical scanning device with parallel-controlled actuators
Grant 6,594,205 - Aarts , et al. July 15, 2 | 2003-07-15 |
Apparatus for reading and/or writing information from/on a recording medium
Grant 6,262,953 - Kahlman , et al. July 17, 2 | 2001-07-17 |
Device for scanning information tracks on a record carrier
Grant 5,825,740 - Kahlman , et al. October 20, 1 | 1998-10-20 |
Optical scanning device, and apparatus provided with such a device, employing scanning element having reflective measuring reference face
Grant 5,789,743 - Van Rosmalen August 4, 1 | 1998-08-04 |
Scanning device comprising a rotatable mirror, drive unit for use in the scanning device, using permanent magnetic rotor body and stationary stator section
Grant 5,171,984 - van Rosmalen December 15, 1 | 1992-12-15 |
Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier
Grant 4,870,508 - Van Rosmalen , et al. September 26, 1 | 1989-09-26 |
Optical scanning unit with tracking error detection
Grant 4,864,118 - Opheij , et al. September 5, 1 | 1989-09-05 |
Opto-electronic apparatus for inscribing and/or reading recording tracks by means of a radiation beam
Grant 4,561,081 - Janssen , et al. December 24, 1 | 1985-12-24 |
Movable scanning unit for an optical recording or playback apparatus
Grant 4,557,564 - van Rosmalen December 10, 1 | 1985-12-10 |
Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation
Grant 4,546,463 - Opheij , et al. October 8, 1 | 1985-10-08 |
Apparatus for reading an optically coded disc-shaped record carrier
Grant 4,536,864 - Van Rosmalen August 20, 1 | 1985-08-20 |
Apparatus for optically reading and/or recording information
Grant 4,514,837 - Van Rosmalen April 30, 1 | 1985-04-30 |
Device for detecting radiation and semiconductor device for use in such a device
Grant 4,469,945 - Hoeberechts , et al. September 4, 1 | 1984-09-04 |
Device for detecting the position of an object
Grant 4,425,043 - van Rosmalen January 10, 1 | 1984-01-10 |
Apparatus for reading and/or writing an optically readable information structure
Grant 4,423,496 - Opheij , et al. December 27, 1 | 1983-12-27 |
Optical focussing device with inclination detection
Grant 4,374,324 - Van Rosmalen , et al. February 15, 1 | 1983-02-15 |
Optical videodisc read unit with tracking and focussing wobblers
Grant 4,193,091 - Kleuters , et al. March 11, 1 | 1980-03-11 |
Objective mount for video disc player
Grant 4,135,206 - Kleuters , et al. January 16, 1 | 1979-01-16 |
Pivoting mirror device
Grant 4,073,567 - Lakerveld , et al. February 14, 1 | 1978-02-14 |
Automatic dithering optical focusing system using an oscillating mirror in the path of the radiation beam
Grant 4,074,312 - van Rosmalen February 14, 1 | 1978-02-14 |
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