Patents by Inventor Erik Andersson
Erik Andersson 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: 20200089326Abstract: A sensor, including light emitters projecting directed light beams, light detectors interleaved with the light emitters, lenses, each lens oriented relative to a respective one of the light detectors such that the light detector receives maximum intensity when light enters the lens at an angle b, whereby, for each emitter E, there exist corresponding target positions p(E, D) along the path of the light from emitter E, at which an object located at any of the target positions reflects the light projected by emitter E towards a respective one of detectors D at angle b, and a processor storing a reflection value R(E, D) for each co-activated emitter-detector pair (E, D), based on an amount of light reflected by an object located at p(E, D) and detected by detector D, and calculating a location of an object based on the reflection values and target positions.Type: ApplicationFiled: November 25, 2019Publication date: March 19, 2020Inventors: Björn Thomas Eriksson, Björn Alexander Jubner, Rozita Teymourzadeh, Håkan Sven Erik Andersson, Per Carl Sture Rosengren, Xiatao Wang, Stefan Johannes Holmgren, Gunnar Martin Fröjdh, Jan Tomas Hartman, Per Oscar Sverud, Sangtaek Kim, Rasmus Dahl-Örn, Tom Richard Berglind, Karl Erik Patrik Nordström, Lars Bertil Sparf, Erik Anders Claes Rosengren, John Elis Gösta Karlsson, Remo Behdasht, Robin Kjell Åman, Joseph Shain
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Patent number: 10496180Abstract: A proximity sensor including a housing, light emitters mounted in the housing for projecting light out of the housing along a detection plane, light detectors mounted in the housing for detecting amounts of light entering the housing along the detection plane, whereby for each emitter-detector pair (E, D), when an object is located at a target position p(E, D) in the detection plane, corresponding to the pair (E, D), then the light emitted by emitter E is scattered by the object and is expected to be maximally detected by detector D, and a processor to synchronously activate emitter-detector pairs, to read the detected amounts of light from the detectors, and to calculate a location of the object in the detection plane from the detected amounts of light, in accordance with a detection-location relationship that relates detections from emitter-detector pairs to object locations between neighboring target positions in the detection plane.Type: GrantFiled: February 18, 2018Date of Patent: December 3, 2019Assignee: Neonode, Inc.Inventors: Björn Thomas Eriksson, Alexander Jubner, Rozita Teymourzadeh, Håkan Sven Erik Andersson, Per Carl Sture Rosengren, Xiatao Wang, Stefan Johannes Holmgren, Gunnar Martin Fröjdh, Simon Greger Fellin, Jan Tomas Hartman, Per Oscar Sverud, Sangtaek Kim, Rasmus Dahl-Örn, Richard Tom Berglind, Karl Erik Patrik Nordström, Lars Bertil Sparf, Erik Anders Claes Rosengren, John Elis Gösta Karlsson, Remo Behdasht, Robin Kjell Åman, Joseph Shain, Oskar Bertil Hagberg, Joel Verner Rozada
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Publication number: 20190127815Abstract: There is provided a precipitation hardening steel with the composition: C: 0.05-0.30 wt %, Ni: 3-9 wt %, Mo: 0.5-1.5 wt %, Al: 1-3 wt %, Cr: 2-14 wt %, V: 0.25-1.5 wt %, Co: 0-0.03 wt %, Mn: 0-0.5 wt %, Si: 0-0.3 wt %, and remaining part up to 100 wt % is Fe and impurity elements, with the additional proviso that the amounts of Al and Ni also fulfil Al=Ni/3±0.5 in wt %. There is the possibility to have very low amounts of cobalt, well below 0.01 wt %. The precipitation hardening steel displays, low segregation, high yield strength at elevated temperatures, high resistance against corrosion, and can also suitably be nitrided. The precipitation hardening steel is more economical to manufacture compared to steel according to the state of the art with the same strength at elevated temperatures.Type: ApplicationFiled: May 31, 2017Publication date: May 2, 2019Inventor: Jan-Erik ANDERSSON
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Publication number: 20190127814Abstract: There is provided a precipitation hardening stainless steel with the composition: C: 0.05-0.30 wt %, Ni: 9-10 wt %, Mo: 0.5-1.5 wt %, Al: 1.75-3 wt %, Cr: 10.5-13 wt %, V: 0.25-1.5 wt %, Co: 0-0.03 wt %, Mn: 0-0.5 wt %, Si: 0-0.3 wt %, and remaining part up to 100 wt % is Fe and impurity elements, with the additional proviso that the amounts of Al and Ni also fulfil Al=Ni/4±0.5 in wt %. Further Creq is in the interval 11-15.4 wt % and Nieq is in the interval 10.5-15 wt %. There is the possibility to have very low amounts of cobalt, well below 0.01 wt %. The precipitation hardening stainless steel displays, low segregation, high yield strength at elevated temperatures, and can also suitably be nitrided. The precipitation hardening stainless steel is more economical to manufacture compared to stainless steel according to the state of the art with the same strength at elevated temperatures.Type: ApplicationFiled: May 31, 2017Publication date: May 2, 2019Inventor: Jan-Erik ANDERSSON
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Patent number: 10259503Abstract: A sub-frame arrangement (1) in a vehicle and method thereof wherein the sub-frame arrangement comprises a sub-frame (2), a first body member, and rear attachment means for attaching said sub-frame to the first body member. The sub-frame is a dual part sub-frame comprising a lower sheet section (2b) formed in a single piece wherein said lower sheet section extends the entire length of said sub-frame. The lower sheet section is further formed with two rear portions (21) each extending backwards in the travel direction of said vehicle and the rear portions are adapted to host the rear attachment means.Type: GrantFiled: October 9, 2017Date of Patent: April 16, 2019Assignee: Ningbo Geely Automobile Research & Development Co., Ltd.Inventors: Martin Svensson, John-Erik Andersson, Roger Karlsson, Dan Adamsson, Johan Leander, Johan Klingberg, Tom Stoddart
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Patent number: 10260964Abstract: The present disclosure relates to an optical fiber sensor system (10) arranged to detect a temperature change in a zone (2, 3, 4) in an aircraft (1) having at least one zone (2, 3, 4). The optical fiber sensor system (10) comprises at least one optical fiber (11, 21, 31, 41) comprising a plurality of Fiber Bragg Gratings (20, 30, 40) for detecting a temperature change. Each of the Fiber Bragg Gratings (20, 30, 40) is reflecting radiation within a predetermined wavelength range. A radiation source unit (13) is arranged to emit radiation into the at least one optical fiber (11, 21, 31, 41). A radiation detector unit (14) is arranged to receive radiation from the at least one optical fiber (11, 21, 31, 41). A processing unit (15) is configured to identify a spectral response (22, 32, 42) of the received radiation and to determine a temperature change from the spectral response (22, 32, 42) of the received radiation in a predetermined wavelength range.Type: GrantFiled: June 25, 2014Date of Patent: April 16, 2019Assignee: SAAB ABInventors: Fredrik Fisk, Bjorn-Erik Andersson
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Publication number: 20180181209Abstract: A proximity sensor including a housing, light emitters mounted in the housing for projecting light out of the housing along a detection plane, light detectors mounted in the housing for detecting amounts of light entering the housing along the detection plane, whereby for each emitter-detector pair (E, D), when an object is located at a target position p(E, D) in the detection plane, corresponding to the pair (E, D), then the light emitted by emitter E is scattered by the object and is expected to be maximally detected by detector D, and a processor to synchronously activate emitter-detector pairs, to read the detected amounts of light from the detectors, and to calculate a location of the object in the detection plane from the detected amounts of light, in accordance with a detection-location relationship that relates detections from emitter-detector pairs to object locations between neighboring target positions in the detection plane.Type: ApplicationFiled: February 18, 2018Publication date: June 28, 2018Inventors: Björn Thomas Eriksson, Alexander Jubner, Rozita Teymourzadeh, Håkan Sven Erik Andersson, Per Carl Sture Rosengren, Xiatao Wang, Stefan Johannes Holmgren, Gunnar Martin Fröjdh, Simon Greger Fellin, Jan Tomas Hartman, Per Oscar Sverud, Sangtaek Kim, Rasmus Dahl-Örn, Richard Tom Berglind, Karl Erik Patrik Nordström, Lars Bertil Sparf, Erik Anders Claes Rosengren, John Elis Gösta Karlsson, Remo Behdasht, Robin Kjell Åman, Joseph Shain, Oskar Bertil Hagberg, Joel Verner Rozada
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Publication number: 20180174306Abstract: A method for detecting events comprises repeatedly registering a value indicating an amount of data generated by an encoder, which is encoding video from a scene by means of temporal compression, determining if a particular event has occurred in the scene represented by the encoded video by comparing characteristics of the registered values with predetermined characteristics, and generating an event signal in response to an event occurrence being determined.Type: ApplicationFiled: December 21, 2017Publication date: June 21, 2018Applicant: Axis ABInventors: Viktor Edpalm, Erik Andersson
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Publication number: 20180173956Abstract: A method for identifying events in a scene captured by a motion video camera comprises two identification processes, a temporary identification process and a long-term identification process. The temporary process includes: analyzing pixel data from captured image frames and identifying events; registering camera processing data relating to each image frame subjected to the identification of events; and adjusting weights belonging to an event identifying operation, wherein the weights are adjusted for achieving high correlation between the result from the event identifying operation and the result from the identification based on analysis of pixels from captured image frames of the captured scene. The long-term identification process includes: identifying events in the captured scene by inputting registered camera processing data to the event identifying operation.Type: ApplicationFiled: December 21, 2017Publication date: June 21, 2018Applicant: Axis ABInventors: Viktor Edpalm, Erik Andersson, Song Yuan
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Publication number: 20180086385Abstract: A sub-frame arrangement (1) in a vehicle and method thereof wherein the sub-frame arrangement comprises a sub-frame (2), a first body member, and rear attachment means for attaching said sub-frame to the first body member. The sub-frame is a dual part sub-frame comprising a lower sheet section (2b) formed in a single piece wherein said lower sheet section extends the entire length of said sub-frame. The lower sheet section is further formed with two rear portions (21) each extending backwards in the travel direction of said vehicle and the rear portions are adapted to host the rear attachment means.Type: ApplicationFiled: October 9, 2017Publication date: March 29, 2018Inventors: Martin Svensson, John-Erik Andersson, Roger Karlsson, Dan Adamsson, Johan Leander, Johan Klintberg, Tom Stoddart
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Patent number: 9921661Abstract: A proximity sensor including a housing, light emitters mounted in the housing for projecting light out of the housing along a detection plane, light detectors mounted in the housing for detecting amounts of light entering the housing along the detection plane, whereby for each emitter-detector pair (E, D), when an object is located at a target position p(E, D) in the detection plane, corresponding to the pair (E, D), then the light emitted by emitter E is scattered by the object and is expected to be maximally detected by detector D, and a processor to synchronously activate emitter-detector pairs, to read the detected amounts of light from the detectors, and to calculate a location of the object in the detection plane from the detected amounts of light, in accordance with a detection-location relationship that relates detections from emitter-detector pairs to object locations between neighboring target positions in the detection plane.Type: GrantFiled: January 19, 2016Date of Patent: March 20, 2018Assignee: Neonode Inc.Inventors: Thomas Eriksson, Alexander Jubner, Rozita Teymourzadeh, Håkan Sven Erik Andersson, Per Rosengren, Xiatao Wang, Stefan Holmgren, Gunnar Martin Fröjdh, Simon Fellin, Jan Tomas Hartman, Oscar Sverud, Sangtaek Kim, Rasmus Dahl-Örn, Richard Berglind, Karl Erik Patrik Nordström, Lars Sparf, Erik Rosengren, John Karlsson, Remo Behdasht, Robin Kjell Åman, Joseph Shain, Oskar Hagberg, Joel Rozada
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Publication number: 20170232823Abstract: The present disclosure relates to an air supply arrangement for a vehicle, the air supply arrangement comprising an air supply duct, an ionising member located in the air supply duct and a passive collecting member located in the air supply duct downstream of the ionising member, wherein a shortest path length of an air flow between the ionising member and the collecting member is in the range of from 20 to 70 centimeters (cm), preferably in the range of from 25 to 50 cm. The disclosure further relates to an external portion of such an air supply arrangement and a vehicle with such an air supply arrangement.Type: ApplicationFiled: February 2, 2017Publication date: August 17, 2017Inventors: Anders Lofvendahl, Stefan Winter, Alexander Warda, Erik Andersson
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Patent number: 9682606Abstract: A wheel carrier mounted on a rear axle body of a vehicle, which wheel carrier comprises a supporting plate and a bearing plate. The supporting plate coincides with a “virtual king-pin axis” and the properties of the supporting plate are such that the supporting plate may bend around the “virtual king-pin axis” in the area of a flexible supporting section. The bearing plate comprises a section with such properties that the section is allowed to deflect in a lateral direction of the vehicle. When a lateral force Flateral and a brake force Fbrake are applied to the wheel carrier, e.g. during cornering and braking, the properties of the supporting plate and the bearing plate create lateral force under steer and brake force under steer.Type: GrantFiled: December 9, 2016Date of Patent: June 20, 2017Assignee: CHINA-EURO VEHICLE TECHNOLOGY AKTIEBOLAGInventor: John-Erik Andersson
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Publication number: 20170138802Abstract: The present disclosure relates to an optical fibre sensor system (10) arranged to detect a temperature change in a zone (2, 3, 4) in an aircraft (1) having at least one zone (2, 3, 4). The optical fibre sensor system (10) comprises at least one optical fibre (11, 21, 31, 41) comprising a plurality of Fibre Bragg Gratings (20, 30, 40) for detecting a temperature change. Each of the Fibre Bragg Gratings (20, 30, 40) is reflecting radiation within a predetermined wavelength range. A radiation source unit (13) is arranged to emit radiation into the at least one optical fibre (11, 21, 31, 41). A radiation detector unit (14) is arranged to receive radiation from the at least one optical fibre (11, 21, 31, 41). A processing unit (15) is configured to identify a spectral response (22, 32, 42) of the received radiation and to determine a temperature change from the spectral response (22, 32, 42) of the received radiation in a predetermined wavelength range.Type: ApplicationFiled: June 25, 2014Publication date: May 18, 2017Applicant: SAAB ABInventors: Fredrik FISK, Bjorn-Erik ANDERSSON
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Publication number: 20170087954Abstract: A wheel carrier mounted on a rear axle body of a vehicle, which wheel carrier comprises a supporting plate and a bearing plate. The supporting plate coincides with a “virtual king-pin axis” and the properties of the supporting plate are such that the supporting plate may bend around the “virtual king-pin axis” in the area of a flexible supporting section. The bearing plate comprises a section with such properties that the section is allowed to deflect in a lateral direction of the vehicle. When a lateral force Flateral and a brake force Fbrake are applied to the wheel carrier, e.g. during cornering and braking, the properties of the supporting plate and the bearing plate create lateral force under steer and brake force under steer.Type: ApplicationFiled: December 9, 2016Publication date: March 30, 2017Inventor: John-Erik ANDERSSON
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Publication number: 20160154475Abstract: A proximity sensor including a housing, light emitters mounted in the housing for projecting light out of the housing along a detection plane, light detectors mounted in the housing for detecting amounts of light entering the housing along the detection plane, whereby for each emitter-detector pair (E, D), when an object is located at a target position p(E, D) in the detection plane, corresponding to the pair (E, D), then the light emitted by emitter E is scattered by the object and is expected to be maximally detected by detector D, and a processor to synchronously activate emitter-detector pairs, to read the detected amounts of light from the detectors, and to calculate a location of the object in the detection plane from the detected amounts of light, in accordance with a detection-location relationship that relates detections from emitter-detector pairs to object locations between neighboring target positions in the detection plane.Type: ApplicationFiled: January 19, 2016Publication date: June 2, 2016Inventors: Thomas Eriksson, Alexander Jubner, Rozita Teymourzadeh, Håkan Sven Erik Andersson, Per Rosengren, Xiatao Wang, Stefan Holmgren, Gunnar Martin Fröjdh, Simon Fellin, Jan Tomas Hartman, Oscar Sverud, Sangtaek Kim, Rasmus Dahl-Örn, Richard Berglind, Karl Erik Patrik Nordström, Lars Sparf, Erik Rosengren, John Karlsson, Remo Behdasht, Robin Kjell Åman, Joseph Shain, Oskar Hagberg, Joel Rozada
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Patent number: 9283839Abstract: A fitting arrangement for fitting a drive package (1) for a vehicle, the arrangement includes a supporting element (2) to be mounted on the drive package (1). The supporting element (2) has an end element (6), which cooperates with the vehicle's frame (4) to support the drive package (1). The end element abuts upon a cooperating bearing element which is suspended relative to the frame (4). At least one screw (10) cooperates with the end element (6), to fix the supporting element (2) to the vehicle's frame (4) via the bearing element (8). A washer (12) cooperates with the screw (10) to fix the supporting element (2) to the frame. A spacing element (14) cooperates with the screw (10) to keep the washer (12) in a horizontal position above the bearing element (8).Type: GrantFiled: March 22, 2013Date of Patent: March 15, 2016Assignee: SCANIA CV ABInventor: Erik Andersson
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Publication number: 20150060182Abstract: A fitting arrangement for fitting a drive package (1) for a vehicle, the arrangement includes a supporting element (2) to be mounted on the drive package (1). The supporting element (2) has an end element (6), which cooperates with the vehicle's frame (4) to support the drive package (1). The end element abuts upon a cooperating bearing element which is suspended relative to the frame (4). At least one screw (10) cooperates with the end element (6), to fix the supporting element (2) to the vehicle's frame (4) via the bearing element (8). A washer (12) cooperates with the screw (10) to fix the supporting element (2) to the frame. A spacing element (14) cooperates with the screw (10) to keep the washer (12) in a horizontal position above the bearing element (8).Type: ApplicationFiled: March 22, 2013Publication date: March 5, 2015Inventor: Erik Andersson
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Patent number: 8863687Abstract: A rotary parlour for milking of animals includes a rotary platform unit and storing devices connected to the platform unit and adapted to hold a number of teat cups in predetermined parking positions. The storing devices are supported by a supporting mechanism comprising an elevating part adapted to move the storing device between an operating position in which the storing device holds at least a part of the parked teat cups at a higher level than the lowest level of the upper surface of the platform unit and a non-operative position in which both the storing device and the parked teat cups are located at a lower level than the lowest level of the upper surface of the platform unit.Type: GrantFiled: October 28, 2009Date of Patent: October 21, 2014Assignee: DeLaval Holding ABInventor: Jan-Erik Andersson
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Patent number: 8776722Abstract: A milking system includes a milking robot with a robot arm for applying teat cups to the teats of an animal, an optical detector (40) for detecting radiation emitted and/or reflected from the animal and a controller. The detector has a housing (410) with a window (420) and a detecting element (430) enclosed in the housing that is sensitive to the emitted or reflected radiation passing through the window. In order to prevent contamination from impacting on the detector window, an airflow arrangement is provided that can be connected to a source of pressurized air and has at least one aperture (411) disposed adjacent the detector window (420) for generating a curtain of air that flows parallel with the surface of the window. The controller controls the generation of the air curtain to coincide with the start of at least one further operation controlled by the controller.Type: GrantFiled: December 20, 2011Date of Patent: July 15, 2014Assignee: DeLaval Holding ABInventors: Jan-Erik Andersson, Anders Hallstrom