Patents by Inventor Mikael Egard
Mikael Egard 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: 20230228843Abstract: A radar device comprising: a printed circuit board (120), PCB, comprising a ground plane (1202), a radar sensor chip package (130) mounted on the PCB (120) and comprising a mm Wave radio frequency, RF, integrated circuit (1302) and a planar antenna structure (1304) configured as an antenna-in-package and oriented in a plane parallel to the ground plane (1202), wherein the mmWave RF integrated circuit (1302) is configured to output a mmWave signal (1360) to be transmitted by the planar antenna structure (1304), and a cavity (140), wherein the radar sensor chip package (130) is arranged in the cavity (140), the cavity (140) having an open side (1402), and the cavity (140) being defined by a conductive rear wall surface (1404) opposite the open side (1402), a pair of mutually opposite and conductive sidewall surfaces (1406), a conductive top surface (1408), and a conductive bottom surface (1410), wherein at least a portion of the conductive bottom surface (1410) is formed by at least a portion of the ground planType: ApplicationFiled: June 8, 2021Publication date: July 20, 2023Applicant: Acconeer ABInventors: Ehsan Foroozanfard, Mikael Egard
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Patent number: 11669105Abstract: According to a first aspect of the present inventive concept there is provided an autonomous mobile cleaning robot, comprising: a radar sensor configured to scan a surface, during a movement of the robot along the surface, by transmitting radar signals towards the surface and acquiring, at different positions along said movement, radar responses from the surface, a radar signal processor configured to extract one or more features of each acquired radar response from the surface, and a controller configured to control an operation of the robot based on the extracted one or more features.Type: GrantFiled: December 28, 2018Date of Patent: June 6, 2023Assignee: ACCONEER ABInventors: Hans Grubeck, Rikard Nelander, Per Atlevi, Mikael Egard
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Patent number: 11493626Abstract: According to an aspect of the present inventive concept there is provided an autonomous mobile robot comprising: a set of radar sensors, the sensors being arranged at spatially different positions on the mobile robot, the set including at least a first radar sensor having a first main detection lobe extending in front of the robot and a second radar sensor having a second main detection lobe extending in front of the robot, wherein the first radar sensor and the second radar sensor are arranged such that the first main detection lobe and the second main detection lobe intersect in front of the mobile robot.Type: GrantFiled: February 5, 2018Date of Patent: November 8, 2022Inventors: Mikael Egard, Hans Grubeck
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Publication number: 20210072766Abstract: According to a first aspect of the present inventive concept there is provided an autonomous mobile cleaning robot, comprising: a radar sensor configured to scan a surface, during a movement of the robot along the surface, by transmitting radar signals towards the surface and acquiring, at different positions along said movement, radar responses from the surface, a radar signal processor configured to extract one or more features of each acquired radar response from the surface, and a controller configured to control an operation of the robot based on the extracted one or more features.Type: ApplicationFiled: December 28, 2018Publication date: March 11, 2021Inventors: Hans GRUBECK, Rikard NELANDER, Per ATLEVI, Mikael EGARD
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Publication number: 20200096631Abstract: According to an aspect of the present inventive concept there is provided an autonomous mobile robot comprising: a set of radar sensors, said sensors being arranged at spatially different positions on the mobile robot, said set including at least a first radar sensor having a first main detection lobe extending in front of the robot and a second radar sensor having a second main detection lobe extending in front of the robot, wherein the first radar sensor and the second radar sensor are arranged such that the first main detection lobe and the second main detection lobe intersect in front of the mobile robot.Type: ApplicationFiled: February 5, 2018Publication date: March 26, 2020Applicant: Acconeer ABInventors: Mikael Egard, Hans Grubeck
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Patent number: 10444338Abstract: According to one aspect of the inventive concept there is provided a transmitter-receiver system comprising: a transmitter arranged to transmit a wavelet; a receiver arranged to receive a wavelet; a wavelet generator arranged to generate a reference wavelet; and timing circuitry arranged to receive a reference clock signal, output a first trigger signal for triggering transmission of a wavelet and output a second trigger signal for triggering generation of a reference wavelet. The timing circuitry further comprises a delay line including at least one delay element and being arranged to receive a signal at an input of the delay line and transmit a delayed signal at an output of the delay line, wherein a state of each delay element of at least a subset of said at least one delay elements is switchable between at least a first state and a second state. A delay element in said first state, i.e. switched to its first state, presents a first propagation delay. A delay element in said second state, i.e.Type: GrantFiled: March 5, 2015Date of Patent: October 15, 2019Assignee: ACCONEER ABInventors: Mats Ärlelid, Denis Chouvaev, Mikael Egard
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Publication number: 20180164419Abstract: According to one aspect of the inventive concept there is provided a transmitter-receiver system comprising: a transmitter arranged to transmit a wavelet; a receiver arranged to receive a wavelet; a wavelet generator arranged to generate a reference wavelet; and timing circuitry arranged to receive a reference clock signal, output a first trigger signal for triggering transmission of a wavelet and output a second trigger signal for triggering generation of a reference wavelet. The timing circuitry further comprises a delay line including at least one delay element and being arranged to receive a signal at an input of the delay line and transmit a delayed signal at an output of the delay line, wherein a state of each delay element of at least a subset of said at least one delay elements is switchable between at least a first state and a second state. A delay element in said first state, i.e. switched to its first state, presents a first propagation delay. A delay element in said second state, i.e.Type: ApplicationFiled: March 5, 2015Publication date: June 14, 2018Applicant: Acconeer ABInventors: Mats Ärlelid, Denis Chouvaev, Mikael Egard
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Patent number: 9608567Abstract: A transceiver comprising a tank circuit, a variable differential conductance, VDC, coupled to the tank circuit, and a variable resistance coupled to the VDC is disclosed. The variable resistance is arranged to bias the VDC into a region of positive differential conductance during a first state of operation of the transceiver, and bias the VDC into a region of negative differential conductance during a second state of operation of the transceiver.Type: GrantFiled: May 30, 2011Date of Patent: March 28, 2017Assignee: Acconeer ABInventors: Mikael Egard, Mats Ärlelid, Lars-Erik Wernersson
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Patent number: 9117753Abstract: According to one aspect of the inventive concept there is provided a process for manufacturing a semiconductor device, comprising: providing a channel layer (104), providing a mask (106) on the channel layer, epitaxially growing a contact layer (108) in contact with the channel layer, epitaxially growing a support layer (110) on the contact layer, wherein the support layer is arranged to be etched at a higher rate than the contact layer, forming a trench extending through the support layer by removing the mask, and providing a conductor (118) in the trench. There is also provided an intermediate product for the manufacture of a semiconductor device.Type: GrantFiled: June 1, 2012Date of Patent: August 25, 2015Assignee: Acconeer ABInventors: Mikael Egard, Erik Lind, Lars-Erik Wernersson
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Publication number: 20140106553Abstract: According to one aspect of the inventive concept there is provided a process for manufacturing a semiconductor device, comprising: providing a channel layer (104), providing a mask (106) on the channel layer, epitaxially growing a contact layer (108) in contact with the channel layer, epitaxially growing a support layer (110) on the contact layer, wherein the support layer is arranged to be etched at a higher rate than the contact layer, forming a trench extending through the support layer by removing the mask, and providing a conductor (118) in the trench. There is also provided an intermediate product for the manufacture of a semiconductor device.Type: ApplicationFiled: June 1, 2012Publication date: April 17, 2014Applicant: ACCONEER ABInventors: Mikael Egard, Erik Lind, Lars-Erik Wernersson
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Publication number: 20140098845Abstract: A transceiver comprising a tank circuit, a variable differential conductance, VDC, coupled to the tank circuit, and a variable resistance coupled to the VDC is disclosed. The variable resistance is arranged to bias the VDC into a region of positive differential conductance during a first state of operation of the transceiver, and bias the VDC into a region of negative differential conductance during a second state of operation of the transceiver.Type: ApplicationFiled: May 30, 2011Publication date: April 10, 2014Applicant: ACCONEER ABInventors: Mikael Egard, Mats Ärlelid, Lars-Erik Wernersson