Patents by Inventor Fredrik Althoff
Fredrik Althoff 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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Patent number: 8229813Abstract: An access point for mobile devices with wireless communication capability for usage in a packet based network, said network comprising at least one gateway having access to a remote service, the access point comprises communication means for establishing communication with at least one or more access point in order to form a network between at least said access points. Also, there are means for adding the identity of the mobile device; and registering means for registering the identity of data packets transferred through said access point. The invention also concerns a method and system for billing in such a network.Type: GrantFiled: August 4, 2010Date of Patent: July 24, 2012Assignee: Landala NATInventors: Håkan Olin, Fredrik Althoff, Roger Hendelberg, Niclas Carlsson
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Publication number: 20110010282Abstract: An access point for mobile devices with wireless communication capability for usage in a packet based network, said network comprising at least one gateway having access to a remote service, the access point comprises communication means for establishing communication with at least one or more access point in order to form a network between at least said access points. Also, there are means for adding the identity of the mobile device; and registering means for registering the identity of data packets transferred through said access point. The invention also concerns a method and system for billing in such a network.Type: ApplicationFiled: August 4, 2010Publication date: January 13, 2011Inventors: Håkan Olin, Fredrik Althoff, Roger Hendelberg, Niclas Carlsson
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Patent number: 7801781Abstract: An access point for mobile devices with wireless communication capability for usage in a packet based network, said network comprising at least one gateway having access to a remote service, the access point comprises communication means for establishing communication with at least one or more access point in order to form a network between at least said access points. Also, there are means for adding the identity of the mobile device; and registering means for registering the identity of data packets transferred through said access point. The invention also concerns a method and system for billing in such a network.Type: GrantFiled: December 27, 2000Date of Patent: September 21, 2010Assignee: Landala Nat ABInventors: Håkan Olin, Fredrik Althoff, Roger Hendelberg, Niclas Carlsson
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Patent number: 7654159Abstract: A force sensor (200) and nanoidenation system (300) using such force sensor (200), wherein the force sensor (200) comprise a movable membrane (207) attached to a fixed bulk structure (210) with springs (201, 202, 203, 204) formed between the membrane (207) and bulk structure (210); the springs (201, 202, 203, 204) may be provided two on each side of a rectangular membrane(207) and each in the form of a U-shape with displacing elements (801) formed perpendicular to each open end of each U-shaped spring (800). The force sensor further comprises electrodes (206) for detecting capacitive changes between the movable membrane (207) and the electrodes (206) in order to measure a movement in relation to an applied force. The membrane (207) further comprises a probe holding structure (214) for providing a solution for interchangeable probes (211).Type: GrantFiled: January 26, 2005Date of Patent: February 2, 2010Assignee: Nanofactory Instruments ABInventors: Peter Enoksson, Alexandra Nafari, Håkan Olin, Fredrik Althoff, Andrey Danilov, Jens Dahlström
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Publication number: 20080276727Abstract: In recent years there has been a growing market for more universal analysis instruments. Analysis tools such as AFM1, TEM2 and nanoindentation work in similar environments. It is therefore possible, within limits, to use the same equipment to do all of these analyses. Conducting nanoindentation experiments in a TEM has also the advantage of increased accuracy compared to the tests done today. 1 Atomic Force Microscopy 2 Transmission Electron Microscope This project is focused on design and fabrication of a capacitive force sensor for AFM and/or nanoindentation measurements in a TEM. Nanofactory Instruments, the initiator of this, project, has developed a specimen holder for TEM that can be used for nanoindentation experiments. The measurement system used today has its limitations of being to large to be mounted in a TEM and thus an improved model was desired.Type: ApplicationFiled: January 26, 2005Publication date: November 13, 2008Applicant: NANOFACTORY INSTRUMENTS ABInventors: Peter Enoksson, Alexandra Nafari, Hakan Olin, Fredrik Althoff, Andrey Danilov, Jens Dahlstrom
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Patent number: 7363802Abstract: This invention relates to a measurement device for use in an electron microscope. The device comprises a sample holder, for holding a sample to be studied, and an indentation tip, being arranged in proximity of the sample holder, whereby an interaction between the sample and the tip is arranged to be measured. The measurement device comprises a force sensor being positioned in proximity with an interaction area of the sample and the tip and is arranged to directly measure a force resulting from interaction between the sample and the tip.Type: GrantFiled: May 12, 2004Date of Patent: April 29, 2008Assignee: Nanofactory Instruments ABInventors: Håkan Olin, Krister Svensson, Fredrik Althoff, Andrey Danilov
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Patent number: 6924489Abstract: This invention relates to a device for reducing the impact of undesired distortions when studying a sample in an electron microscope, wherein said sample is arranged to be mounted on a micro-positioning device, characterised in that said micro-positioning device is connected with a control device, being arranged to control said micro-positioning device so as to compensate for measurement errors due to undesired distortions.Type: GrantFiled: January 13, 2004Date of Patent: August 2, 2005Assignee: Nanofactory Instruments ABInventors: Håkan Olin, Drister Svensson, Fredrik Althoff, Andrey Danilov, Paul Bengtsson, Martin Hospers
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Publication number: 20050103996Abstract: This invention relates to a measurement device for use in an electron microscope. The device comprises a sample holder, for holding a sample to be studied, and an indentation tip, being arranged in proximity of the sample holder, whereby an interaction between the sample and the tip is arranged to be measured. The measurement device comprises a force sensor being positioned in proximity with an interaction area of the sample and the tip and is arranged to directly measure a force resulting from interaction between the sample and the tip.Type: ApplicationFiled: May 12, 2004Publication date: May 19, 2005Inventors: Hakan Olin, Krister Svensson, Fredrik Althoff, Andrey Danilov
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Publication number: 20040195523Abstract: This invention relates to a device for reducing the impact of undesired distortions when studying a sample in an electron microscope, wherein said sample is arranged to be mounted on a micro-positioning device, characterised in that said micro-positioning device is connected with a control device, being arranged to control said micro-positioning device so as to compensate for measurement errors due to undesired distortions.Type: ApplicationFiled: January 13, 2004Publication date: October 7, 2004Inventors: Hakan Olin, Krister Svensson, Fredrik Althoff, Andrey Danilov, Paul Bengtsson, Martin Hospers
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Publication number: 20040051424Abstract: This invention relates to a device for micropositioning of an object (4). e.g. for use in a microscope. The device comprises an acceleration unit (1) and an intermediate part (3), connecting said acceleration unit (1) with said object (4). The position of the object relative to the acceleration unit (1) is variable at high acceleration or retardation of said acceleration unit (1), owing to mechanical inertia of the object (4). Further, the intermediate part (3) has a first end (3′), being attached to said acceleration unit (1), and a second end (3″), being provided with an essentially circumferential contact surface (3a), and the object (4) is provided with clamping elements (4′).Type: ApplicationFiled: August 28, 2003Publication date: March 18, 2004Inventors: Hakan Olin, Fredrik Althoff, Krister Svensson
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Publication number: 20040005878Abstract: An access point for mobile devices with wireless communication capability for usage in a packet based network, said network comprising at least one gateway having access to a remote service, the access point comprises communication means for establishing communication with at least one or more access point in order to form a network between at least said access points. Also, there are means for adding the identity of the mobile device; and registering means for registering the identity of data packets transferred through said access point. The invention also concerns a method and system for billing in such a network.Type: ApplicationFiled: July 10, 2003Publication date: January 8, 2004Inventors: Hakan Olin, Fredrik Althoff, Roger Hendelberg, Niclas Carlsson
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Patent number: 5412582Abstract: The present invention relates to a surveillance system for measuring and surveying e.g. the preload in screws (23) or similar. It comprises a number of sensor systems (1) electrically connected to a common electronic and computing system, each said sensor system (1) comprising sensor means (2) being provided with a magnetoelastic material (6) sensitive to the preloads and a sensing device (3) comprising a coil system at least partly surrounding the sensitive material (6). The sensitive material (6) is excited via the coil system with a frequency of at least 300 kHz so as to make the system insensitive to external disturbing fields.Type: GrantFiled: June 29, 1992Date of Patent: May 2, 1995Inventors: Tore Hesthamar, Fredrik Althoff, Thomas Larsson
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Patent number: 5343759Abstract: The invention relates to a sensor system for measuring e.g. the preloads in screws, bolts or similar. It comprises sensor means (2) comprising a magnetoelastic material (6) sensitive to the preloads to which the object is exposed and a sensing device (3) comprising a contact portion (4) and gripping portion (5). The contact portion is so arranged that it at least partly surrounds the sensor means (2) and the magnetoelastic material (6) is excited with an excitation frequency of at least 300 kHz.Type: GrantFiled: June 29, 1992Date of Patent: September 6, 1994Assignee: SKF Nova ABInventors: Tore Hesthamar, Fredrik Althoff, Thomas Larsson, Bram Veenhuizen