Patents by Inventor Bernardus Hendrikus Hendriks
Bernardus Hendrikus Hendriks has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090030489Abstract: Body cover, comprising a substrate, for covering at least part of a human body, and at least one electroluminescent source coupled to the substrate, for illuminating at least a part of the body, wherein the cover is configured to at least partly surround at least a part of the body and/or a body support. Method for radiating at least part of a human body, especially in the treatment of jaundice and/or crigler najjar, comprising covering at least part of the body and/or a body support with a cover with at least one electroluminescent source and emitting light from the electroluminescent source to at least part of the body.Type: ApplicationFiled: January 30, 2007Publication date: January 29, 2009Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Sima Asvadi, Bernardus Hendrikus Hendriks, Philomeen Antoinette Catharina Engels, Gerrit Jan Van Den Beld, Jan De Graaf, Henk Van Houten
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Publication number: 20090018622Abstract: Body cover, comprising a substrate, for covering at least part of a human body, and at least one electroluminescent source coupled to the substrate, for illuminating at least a part of the body, wherein the cover is configured to at least partly surround at least a part of the body and/or a body support. Method for radiating at least part of a human body, especially in the treatment of jaundice and/or crigler najjar, comprising covering at least part of the body and/or a body support with a cover with at least one electroluminescent source and emitting light from the electroluminescent source to at least part of the body.Type: ApplicationFiled: January 30, 2007Publication date: January 15, 2009Applicant: Koninklijke Philips Electronics N.V.Inventors: Sima Asvadi, Bernardus Hendrikus Hendriks, Philomeen Antoinette Catharina Engels, Gerrit Jan Van Den Beld, Jan De Graaf, Henk Van Houten
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Publication number: 20090009881Abstract: A control circuit (40) for electrowetting lenses (41, 42) includes a driver circuit (45) for producing a controllable voltage supply (46) and a first (43) and a second (44) voltage modulator, each connected to receive the controllable voltage supply. The first and second voltage modulators are configured to respectively produce first (32) and second (33) modulated voltage outputs from the voltage supply. A controller (49) receives at least one set point signal (53, 52) and, as a function thereof, (i) controls the driver circuit to produce the voltage supply, and (ii) controls the first and second voltage modulators to produce the first and second modulated outputs.Type: ApplicationFiled: January 4, 2007Publication date: January 8, 2009Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Ivon Franciscus Helwegen, Bernardus Hendrikus Hendriks, Stein Kuiper
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Publication number: 20090002807Abstract: Beam manipulation member for use in an optical tweezers system, the beam manipulation member comprising at least one optical element, being controllably deformable in order to act on a laser beam in response to signals coming from the optical tweezers system. The beam manipulation member may be used to change the focal distance of the optical tweezers system and also to deflect the laser beam.Type: ApplicationFiled: November 30, 2006Publication date: January 1, 2009Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Bernardus Hendrikus Hendriks, Stein Kuiper
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Publication number: 20080055425Abstract: The invention relates to a measuring device comprising an image sensor, an electrowetting lens that is arranged to focus an image on the image sensor, and a control unit. The control unit is operative to determine the distance to an object based on the state of the electrowetting lens and on focus information derived from an image signal supplied by the image sensor.Type: ApplicationFiled: June 28, 2005Publication date: March 6, 2008Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Stein Kuiper, Bernardus Hendrikus Hendriks, Adrianus Sempel
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Publication number: 20070291598Abstract: A switchable diaphragm (9) and a device for beam deflection (10) are placed in the servo branch of an optical drive, in a path of light beams of different diffraction orders. This permits redirection of light beam orders towards a detection means (8) on an individual basis and selection of light orders at a detection means (8) depending on requirements. The number of detectors in the device detection means (8) can thus be reduced, thereby also reducing additional components associated with those detectors and saving on cost and complexity. With such device functionality, new methods for measuring beam landing and spherical aberration are developed.Type: ApplicationFiled: September 20, 2005Publication date: December 20, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Sjoerd Stallinga, Bernardus Hendrikus Hendriks, Teus Tukker, Stein Kuiper, Albert Immink, Coen Theodorus Hubertus Liedenbaum
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Publication number: 20070201850Abstract: The present invention provides a discretely adjustable lens (300) that is controllable by means of electrostatic or electrowetting forces. The lens provides two accurately reproducible and freely designable lens states that are defined by interfaces between one out of two fluids (120,121) and at least one lens face (155). Changing place of the fluids by means of electrostatic or electrowetting forces provides for switching between the lens states. The lens may, for example, provide a macro lens option in a camera lens arrangement.Type: ApplicationFiled: March 23, 2005Publication date: August 30, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Bernardus Hendrikus Hendriks, Stein Kuiper
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Publication number: 20070165130Abstract: An optical input and/or control de and/or actuating variable functions of, for examp device, the optical input and/or control device ha radiation from a diode laser (3) is converged. As across the window (12), part of the scattered radi due to the movement of the finger (15), re-enters measured using the self-mixing effect of the lase radiation emitted by the laser (3) and re-entering of the laser and thus in the radiation emitted by photo-diode (4) which converts the radiation vari circuitry is provided which processes this signal. ice for manually selectively controlling e, an image capture device or a computer mg a transparent window (12) on which an object, e.g. a user's finger (15), moves tion, whose frequency is Doppler-shifted the laser cavity. Relative movement is diode (3), which is the phenomenon that e laser cavity induces a variation in gain e laser (3).Type: ApplicationFiled: April 25, 2005Publication date: July 19, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Louis Cobben, Bernardus Hendrikus Hendriks, Stein Kuiper, Winslow Mimnagh
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Publication number: 20070141738Abstract: A method of manufacturing a collection of variable focus lenses comprising two electrodes (21, 22) and a fluid chamber filled with two fluids which are separated by a meniscus, wherein the shape of the meniscus is variable under the influence of a voltage, comprises the following steps: providing an electrically insulating body (60) having a plurality of through-holes (14, 65); applying electrically conducting material to a surface of the body (60) in order to obtain the electrodes (21, 22); covering at least one of the obtained electrodes (21, 22) by a layer of electrically insulating material; covering an inner surface of a part of the through-holes (14) with a hydrophobic material; partially sealing these through-holes (14); arranging the fluids inside the partially sealed through-holes (14); completely sealing the through-holes (14); and dividing the body (60) into portions, such that each portion constitutes a complete lens.Type: ApplicationFiled: May 6, 2004Publication date: June 21, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Johannus Weekamp, Stein Kuiper, Bernardus Hendrikus Hendriks, Arjen Van Der Sijde
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Publication number: 20070139785Abstract: A variable lens (100; 200; 300; 400; 500; 600) is described. The lens (100; 200; 300; 400; 500; 600) comprises a chamber (125) defined by at least one side wall and having an optical axis (90) extending longitudinally through the chamber. The chamber (125) contains a first fluid (130) and a second fluid (140) in contact over a meniscus (150) extending transverse the optical axis (90). The perimeter of the meniscus (150) is constrained by the side walls (125). The fluids (130, 140) are substantially immiscible, and have different indices of refraction. At least one pump (110; 112, 114, 116, 152; 422) is arranged to controllably alter the position of the meniscus (150) along the optical axis (90) by altering the relative volume of each of the fluids (130, 140) contained within the chamber (125).Type: ApplicationFiled: May 10, 2004Publication date: June 21, 2007Inventors: Stein Kuiper, Bernardus Hendrikus Hendriks
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Publication number: 20070139748Abstract: An optical component (48) for introducing optical aberrations to a light beam defining an optical axis (28) is described, comprising a fluid chamber (46) having a first fluid (56) and at least a second fluid (58) therein, the first and second fluid (56, 58) being nonmiscible, the first fluid (56) and the second fluid (58) being in contact along an interface (60) extending through the fluid chamber (46) substantially transverse to the optical axis (28), the first and second fluids (56, 58) having different indices of refraction, the first fluid (56) being substantially electrically insulating and the second fluid (58) being substantially electrically conductive; at least a first electrode (62-70) separated from the second fluid (58) and at least a second electrode (72) acting on the second fluid to alter the shape of the interface (60) in dependence on a voltage applied between the first and second electrode (62-70, 72).Type: ApplicationFiled: March 1, 2005Publication date: June 21, 2007Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.Inventors: Stein Kuiper, Bernardus Hendrikus Hendriks
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Publication number: 20070105253Abstract: In the described method of producing a plurality of bodies bearing equal imprints of a stamp as optical structures, a stamp (13) is initially produced, by attaching particles (14) to a surface (15) of an auxiliary body (16); than, the stamp (13) is used to produce an imprint (11) on a plurality of bodies (10). Optical structures can be irradiated, producing on a screen a speckle pattern indicative of a key. It is substantially impossible to clone a given optical structure with current technological means. Optical structures represent physical One-Way Functions, easy to compute in the forward sense but unfeasible to reverse. Thus, they can be used to build an access/copy protection system of user information contained in an information carrier associated with the body 10. The reproducibility of the optical structures makes this method suitable for optical disks.Type: ApplicationFiled: May 10, 2004Publication date: May 10, 2007Applicant: Koninklijke Philips Electronics N.V.Inventors: Robert Hendriks, Sjoerd Stallinga, Hendrik Goossens, Gert 'T Hooft, Alexander Van Der Lee, Frank Schuurmans, Rudolf Vullers, Ralph Kurt, Bernardus Hendrikus Hendriks, Levinus Bakker
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Publication number: 20070058094Abstract: An electrowetting module (20) comprises a fluid chamber (8) which contains a first fluid (A) and a second fluid (B), which are separated by an interface (14), and means to (16, 17) exert a force on at least one of the fluids to change the position and/or shape of the interface. By providing at least one of the fluids with a compound having a zero dipole moment in the gaseous phase, the performance of the module can be enhanced. For example the optical power of an electrowetting lens (30) can be increased.Type: ApplicationFiled: May 3, 2004Publication date: March 15, 2007Inventors: Stein Kuiper, Bernardus Hendrikus Hendriks, Christina Renders, Robert Hayes
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Publication number: 20070030553Abstract: An optical element (200; 300) for providing a variable refractive surface. The element comprises a chamber (215) defined by at least one side wall (270), with an optical axis (90) extending through the chamber (215). The chamber (215) contains a first fluid (220) and a second fluid (230) in contact over a meniscus (225) extending transverse the optical axis (90). The perimeter of the meniscus (225) is constrained by said side wall (270). The fluids (220, 230) are substantially immiscible and have different indices of refraction. A first electrowetting electrode (242; 243) is arranged to act on at least a portion of the meniscus perimeter constrained by said side wall (270). A second electrowetting electrode (280) extends through the meniscus (225).Type: ApplicationFiled: May 10, 2004Publication date: February 8, 2007Applicant: Koninklijke Philips Electronics N.V.Inventors: Bernardus Hendrikus Hendriks, Stein Kuiper
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Publication number: 20070008860Abstract: A method is proposed that allows a static design of an optical pickup unit (OPU) that delivers two output beams (30, 32). Both laser beams (30, 32) result in successive spots, which have the appropriate characteristics. In this OPU concept both read and write spots are present at the same time, and they are sufficiently spaced apart in the focus direction. This allows switching from the read situation to the write situation by introducing an appropriate focus offset in the electronics. The two output beams (30,32) are generated from a polarized incoming beam, said polarized incoming beam is split by a tilted birefringent grating (18).Type: ApplicationFiled: October 7, 2004Publication date: January 11, 2007Applicant: Koninklijke Philips Electronics N.V.Inventors: Coen Theodorus Hubertus Liedenbaum, Bernardus Hendrikus Hendriks
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Publication number: 20060280044Abstract: A recording head for magneto-optical recording in a first-surface recording configuration comprises a transparent aperture (8;22;32), in a plane intended to be substantially parallel to a recordable medium (2), in use. The head is arranged to provide an optical path allowing a bundle of light (6) to pass through the transparent aperture (8;22;32) onto the recordable medium (2), and further comprises a central magnetic head structure (11;20;34) comprising a flux guide (12;24;35), positioned so as to partially obstruct the transparent aperture (8;22;32). The central magnetic head structure (11;20;34) is of a substantially larger dimension in a first direction (x) parallel to the plane than in a second direction (y) parallel to the plane.Type: ApplicationFiled: September 3, 2004Publication date: December 14, 2006Applicant: Koninklijke Philips Electronics N.V.Inventors: Hans Van Kesteren, Bernardus Hendrikus Hendriks
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Publication number: 20060262433Abstract: An adjustable mirror comprises: a first fluid and a second fluid in contact over a meniscus extending transverse an optical axis. The fluids are substantially immiscible and have different indices of refraction. A reflective surface extends transverse the optical axis. A meniscus adjuster is arranged to controllably alter at least one of the shape and the position of the meniscus.Type: ApplicationFiled: May 10, 2004Publication date: November 23, 2006Inventors: Bernardus Hendrikus Hendriks, Stein Kuiper
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Publication number: 20060244902Abstract: The invention concerns variable focus spectacles in which the electro-wetting effect is utilized to provide a manually or automatically variable focal length. The variable focus spectacles (200) comprise a spectacle frame (210) and at least one variable power lens (100A, 100B). The lens (100) comprises a transparent rear wall (110), a transparent front wall (120), a cavity (140) formed between the transparent front wall (120) and the transparent rear wall (110), first and second immiscible fluids of differing refractive index contained within said cavity, and electrodes (150, 160) for applying an electric field to said fluids to change a contact angle between an interface layer (M) of the two fluids and the front wall of the lens.Type: ApplicationFiled: July 1, 2004Publication date: November 2, 2006Applicant: KONINKLIJKE PHILIPS ELECTONICS N.V.Inventors: Stein Kuiper, Bernardus Hendrikus Hendriks
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Publication number: 20060203302Abstract: The invention relates to an optical scanning device for scanning in a first mode a first information layer (111) of an information carrier and in a second mode a second information layer (112) of the information carrier. The optical scanning device comprises a radiation source (101) for generating a radiation beam (102), an objective system (105) for focussing an entrance beam on an information layer and an optical element (103) arranged between the radiation source and the objective system, for converting said radiation beam into a diverging entrance beam in the first mode and a converging entrance beam in the second mode.Type: ApplicationFiled: August 20, 2004Publication date: September 14, 2006Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Bernardus Hendrikus Hendriks, Joris Vrehen, Pascal Bloemen, Peter Coops
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Publication number: 20060176574Abstract: A beam-shaping element comprises a cavity, a first: fluid and a second fluid having different indices of refraction. An optical axis extends through the cavity. The cavity has at least one curved surface extending transverse the optical axis. At least one pump is arranged to pump the fluids between a first configuration in which the first fluid occupies the cavity, and a second configuration in which the second fluid occupies the cavity.Type: ApplicationFiled: July 7, 2004Publication date: August 10, 2006Inventors: Teunis Tukker, Bernardus Hendrikus Hendriks, Stein Kuiper