Patents by Inventor Frode Tyholdt
Frode Tyholdt 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).
-
Publication number: 20240134041Abstract: A method and system of imaging at least one passive object within a surrounding structure is provided. The surrounding structure has multiple surfaces. The method includes: transmitting an ultrasonic signal into the surrounding structure using an array of ultrasonic transmitters and receiving reflections from the passive object using an array of ultrasonic receivers. The method also includes steering the ultrasonic signal such that it includes at least one reflection off a surrounding structure surface using stored data relating to a position of at least one of the surfaces.Type: ApplicationFiled: February 1, 2022Publication date: April 25, 2024Applicant: Sonair ASInventors: Tobias DAHL, Frode TYHOLDT, Jon TSCHUDI
-
Publication number: 20220379346Abstract: A piezoelectric micro-machined ultrasonic transducer (PMUT) is provided, comprising a dedicated ultrasonic transmitter and at least one separate dedicated ultrasonic receiver on a single common semiconductor die. A plurality of PMUTs may be arranged in a tessellated array. Also disclosed is a system comprising at least one PMUT on a single common semiconductor die, a dedicated ultrasonic transmitter arranged to transmit a first ultrasonic signal and at least one separate dedicated ultrasonic receiver arranged to receive a second ultrasonic signal is also provided. The system further comprises a signal processing subsystem which comprises an analogue domain; a digital domain; a digital to analogue converter; and an analogue to digital converter.Type: ApplicationFiled: October 26, 2020Publication date: December 1, 2022Inventors: Frode TYHOLDT, Andreas VOGL, Tobias DAHL
-
Patent number: 9329360Abstract: The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as mirror, the element being mechanically coupled to a frame with a bendable coupling, wherein actuator elements are mounted on said coupling between the frame and element, the coupling and actuator elements being adapted to provide a movement to the element when subject to signal from a signal generator.Type: GrantFiled: October 1, 2014Date of Patent: May 3, 2016Assignee: SINTEFInventors: Thor Bakke, Ib-Rune Johansen, Andreas Vogl, Frode Tyholdt, Dag Thorstein Wang
-
Patent number: 9250418Abstract: The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as mirror (1), the element being mechanically coupled to a frame (4) with a bendable coupling (2A), wherein actuator elements (3A, 3B) are mounted on said coupling between the frame and element, the coupling and actuator elements being adapted to provide a movement to the element when subject to signal from a signal generator.Type: GrantFiled: September 16, 2010Date of Patent: February 2, 2016Assignee: SINTEFInventors: Thor Bakke, Ib-Rune Johansen, Andreas Vogl, Frode Tyholdt, Dag Thorstein Wang
-
Publication number: 20150109650Abstract: The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as minor, the element being mechanically coupled to a frame with a bendable coupling, wherein actuator elements are mounted on said coupling between the frame and element, the coupling and actuator elements being adapted to provide a movement to the element when subject to signal from a signal generator.Type: ApplicationFiled: October 1, 2014Publication date: April 23, 2015Applicant: SINTEFInventors: Thor Bakke, Ib-Rune Johansen, Andreas Vogl, Frode Tyholdt, Dag Thorstein Wang
-
Patent number: 8883019Abstract: The present invention provides method steps for manufacturing an assembly of adjustable lenses on a wafer. The method steps provide an easy manufacturing of such lenses, minimizing the cost of assembly, and at the same time provide a solution for mass production of compact adjustable lenses for use in mobile phones, etc.Type: GrantFiled: October 5, 2007Date of Patent: November 11, 2014Assignee: Polight ASInventors: Lars Henriksen, Morten Eliassen, Vladimir Kartashov, Jon Herman Ulvensøen, Ib-Rune Johansen, Karl Henrik Haugholt, Dag Torstein Wang, Frode Tyholdt, Wilfred Booij
-
Patent number: 8390939Abstract: The present invention is related to a lens assembly comprising a flexible lens body (10) inside a cavity bounded by a sidewall (11) and a first transparent cover (13), and a second transparent cover (14), wherein both covers (13,14) are in contact with respective surfaces of the lens body (10). Piezo electric elements (12) shapes the lens body (10) when activated, thereby adjusting the focal length of the lens assembly.Type: GrantFiled: February 12, 2008Date of Patent: March 5, 2013Assignee: poLight ASInventors: Lars Henriksen, Morten Eliassen, Vladimir Kartashov, Jon Herman Ulvensoen, Ib-Rune Johansen, Karl Henrik Haugholt, Dag Torstein Wang, Frode Tyholdt, Wilfred Booij
-
Publication number: 20120162664Abstract: The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as mirror (1), the element being mechanically coupled to a frame (4) with a bendable coupling (2A), wherein actuator elements (3A, 3B) are mounted on said coupling between the frame and element, the coupling and actuator elements being adapted to provide a movement to the element when subject to signal from a signal generator.Type: ApplicationFiled: September 16, 2010Publication date: June 28, 2012Inventors: Thor Bakke, Ib-Rune Johansen, Andreas Vogl, Frode Tyholdt, Dag Thorstein Wang
-
Patent number: 8199410Abstract: The invention relates to an optical element having adjustable focal length, and a method for producing an optical element. The optical element comprising a first transparent layer and a transparent soft polymer having a chosen refractive index situated thereon, said layer being made from a material having a chosen flexibility, e.g. a thin glass layer, the optical element also being provided with an actuator for applying a force upon said flexible layer, said force being essentially symmetric relative to said axis thus bending the layer providing a lens surface and providing a curved refractive surface.Type: GrantFiled: September 21, 2007Date of Patent: June 12, 2012Assignee: poLight ASInventors: Karl H. Haugholt, Dag Thorstein Wang, Frode Tyholdt, Wilfred E. Booij, Ib-Rune Johansen
-
Patent number: 8045280Abstract: The present invention provides a solution for designing a compact adjustable lens assembly, wherein a circular shaped piezoelectric crystal is bending a thin glass cover, thereby providing a shift of focal length of the lens assembly.Type: GrantFiled: October 5, 2007Date of Patent: October 25, 2011Assignee: poLight ASInventors: Lars Henriksen, Morten Eliassen, Vladimir Kartashov, Jon Herman Ulvensøen, Ib-Rune Johansen, Karl Henrik Haugholt, Dag Torstein Wang, Frode Tyholdt, Wilfred Booij
-
Publication number: 20110149408Abstract: The invention relates to an optical element having adjustable focal length comprising a first transparent layer having a chosen flexibility and being provided with a piezoelectric layer adapted to contract upon the application of an electrical voltage and thus bend the first transparent layer, the piezoelectric layer being symmetrically positioned relative to an axis, and wherein the first transparent layer is applied on a substrate having a through going cavity positioned essentially symmetrical relative to said axis, and a transparent polymer being positioned in said cavity having a surface contact with said first transparent layer.Type: ApplicationFiled: September 21, 2007Publication date: June 23, 2011Applicant: SINVENT ASInventors: Karl H. Hahgholt, Dag Thorsten Wang, Frode Tyholdt, Wilfred E. Booij, Ib-Rune Johansen
-
Publication number: 20110149409Abstract: The invention relates to an optical element having adjustable focal length, and a method for producing an optical element. The optical element comprising a first transparent layer and a transparent soft polymer having a chosen refractive index situated thereon, said layer being made from a material having a chosen flexibility, e.g. a thin glass layer, the optical element also being provided with an actuator for applying a force upon said flexible layer, said force being essentially symmetric relative to said axis thus bending the layer providing a lens surface and providing a curved refractive surface.Type: ApplicationFiled: September 21, 2007Publication date: June 23, 2011Applicant: SINVENT ASInventors: Karl H. Haugholt, Dag Thorstein Wang, Frode Tyholdt, Wilfred E. Booij, Ib-Rune Johansen
-
Publication number: 20110096411Abstract: The present invention is related to a lens assembly comprising a flexible lens body (10) inside a cavity bounded by a sidewall (11) and a first transparent cover (13), and a second transparent cover (14), wherein both covers (13,14) are in contact with respective surfaces of the lens body (10). Piezo electric elements (12) shapes the lens body (10) when activated, thereby adjusting the focal length of the lens assembly.Type: ApplicationFiled: February 12, 2008Publication date: April 28, 2011Applicant: poLight ASInventors: Lars Henriksen, Morten Eliassen, Vladimir Kartashov, Jon Herman Ulvensoen, Ib-Rune Johansen, Karl Henrik Haugholt, Dag Torstein Wang, Frode Tyholdt, Wilfred Booij