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Dirk Hente, Joseph Hendrik Anna Maria Jacobs, Elena Tiziana Ferrari, Ramon Rascal Van Gorkom, Petrus Johannes Bremer, Bertrand Johan Edward Hontele, Robert Cornelis Houtepen, Joris Jan Vrehen: Inductive power supply system. KONINKLIJKE PHILIPS, Larry Liberchuk, September 29, 2015: US09147523

A power supplying device (20) is provided for providing electrical power to a power receiving device (30), the power supplying device (20) comprising two plates (22), two electrode structures (23, 43, 81, 82) being arranged to be coupled to an AC power source (41) and at least one power transmitter ...


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Sjoerd Stallinga, Jeroen Wals, Joris Jan Vrehen: Optical wavefront modifier including a series arrangement of transparent resistors between electrodes and scanning devices including such a modifier. Koninklijke Philips Electronics, Michael E Belk, May 17, 2005: US06894968

An optical wavefront modifier (27) is adapted for modifying a wavefront of an optical beam passing through the modifier. The modifier comprises a first and a second transparent electrode layer (42′, 43′) and a flat medium (46) for modifying the wavefront in dependence on electrical excitation and ar ...


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Joris Jan Vrehen, Teunis Willem Tukker: Optical compensator for use in an optical scanning device. CP Mahk Japan, McDermott Will & Emery, August 10, 2010: US07773490

An optical compensator is included in an optical scanning device for scanning optical record carriers. There are at least two different information layer depths within two different carriers. The scanning device produces first to third radiation beams respectively having different wavelengths for sc ...


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Jeroen Wals, Joris Jan Vrehen, Sjoerd Stallinga: Optical wavefront modifier. Philips Corporation, Jack E Haken, c o US PHILIPS CORPORATION, July 5, 2001: US20010006429-A1

An optical wavefront modifier (27) is adapted for modifying a wavefront of an optical beam passing through the modifier. The modifier comprises a first and a second transparent electrode layer (42, 43) and a flat medium (46) for modifying the wavefront in dependence on electrical excitation of the m ...


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Sjoerd Stallings, Joris Jan Vrehen, Jeroen Wals: Optical scanning head. US Philips Corporation, Jack E Haken, c o US PHILIPS CORPORATION, July 26, 2001: US20010009538-A1

An optical head scans the information layer (3) of an optical record carrier (1) by means of a radiation beam (13). Optical aberrations in the beam such as coma and spherical aberration, caused by tilt and thickness variations in the optical disc respectively, are compensated by an aberration compen ...


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Joris Jan Vrehen: Optical scanning unit comprising a detection system for detecting the position of a movable element within the unit. Corporate Patent Counsel, US Philips Corporation, August 16, 2001: US20010014069-A1

In an optical unit for scanning an information plane (3) having a track structure (5) by means of a scanning spot (23), which unit is provided with a pivotable mirror (17) for fast movement of the scanning spot perpendicular to the track direction (t), the angular position of the mirror is determine ...


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Petrus Theodorus Jutte, Peter Coops, Joris Jan Vrehen: Optical scanning device. Philips Electronics North America, February 27, 2003: US20030039197-A1

An optical scanning device for scanning a recordable optical disk (20) with a laser beam having a linear polarisation. A quarter wave plate (16) is used to alter the polarisation of the beam on reflection from the disk. A partially polarising beam splitter (8) is used and arranged such that a propor ...


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Sjoerd Stallinga, Jeroen Wals, Joris Jan Vrehen: Optical wavefront modifier. Corporate Patent Counsel, Phillips Electronics North America Coporation, February 20, 2003: US20030035356-A1

An optical wavefront modifier (27) is adapted for modifying a wavefront of an optical beam passing through the modifier. The modifier comprises a first and a second transparent electrode layer (42, 43) and a flat medium (46) for modifying the wavefront in dependence on electrical excitation and arra ...


20
Peter Coops, Joris Jan Vrehen, Robertus Johannes Heeman: Optical scanning device. US Philips Corporation, April 17, 2003: US20030072248-A1

In an optical scanning device for scanning an optical record carrier (20) and comprising a radiation source (2), a beam splitter (8) arranged to pass a first portion (b3) of the source beam (b1) to the record carrier and a second portion (b5) to an intensity sensor (10), and a signal detector (24) i ...