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公开(公告)号：US11452028B2
公开(公告)日：2022-09-20
申请号：US17128490
申请日：2020-12-21
发明人： Markus Bittner , Lukas Sieber , Hans Peter Widmer
IPC分类号： H04W48/08 , H04W60/04 , H04W72/04 , B60L53/126 , H04W36/00
摘要： A vehicle is paired to a selected wireless charging station of a plurality of wireless charging stations by joining the vehicle to a first wireless network provided by a central access point, assigning a channel to use for pairing the vehicle to the selected wireless charging station by a network manager, transmitting a channel identifier to the vehicle over the first wireless network, and transmitting the channel identifier to the plurality of wireless charging stations. The vehicle then configures a beacon device coupled to the vehicle to use the assigned channel and moves into proximity of the selected wireless charging station. The selected wireless charging station detects a beacon signal of the beacon device, confirms that the beacon signal is using the identified channel, and transmits information identifying a second wireless network to the vehicle. The vehicle can then join the second wireless network using the transmitted information.
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公开(公告)号：US11077762B2
公开(公告)日：2021-08-03
申请号：US16838701
申请日：2020-04-02
发明人： Hanspeter Widmer , Markus Bittner , Lukas Sieber , Marcel Fischer
IPC分类号： H01F38/14 , G01D5/20 , B60L53/124 , B60L3/00 , B60L3/04 , H02J50/12 , H02J50/60 , H04B5/00 , B60L53/30 , B60L53/37 , B60L53/63 , B60L50/16 , B60L53/36 , B60L50/51 , B60L50/60 , B60L55/00 , B60L53/65 , B60L53/68 , B60L53/122 , B60L53/126 , B60L53/12 , G01N27/72 , G01V3/10
摘要： This disclosure provides systems, methods and apparatus for detecting foreign objects. In one aspect an apparatus for detecting a presence of an object is provided. The apparatus includes a resonant circuit having a resonant frequency. The resonant circuit includes a sense circuit including an electrically conductive structure. The apparatus further includes a coupling circuit coupled to the sense circuit. The apparatus further includes a detection circuit coupled to the sense circuit via the coupling circuit. The detection circuit is configured to detect the presence of the object in response to detecting a difference between a measured characteristic that depends on a frequency at which the resonant circuit is resonating and a corresponding characteristic that depends on the resonant frequency of the resonant circuit. The coupling circuit is configured to reduce a variation of the resonant frequency by the detection circuit in the absence of the object.
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公开(公告)号：US10444394B2
公开(公告)日：2019-10-15
申请号：US15620548
申请日：2017-06-12
发明人： Hans Peter Widmer , Lukas Sieber , Markus Bittner
IPC分类号： G01K7/00 , G01N25/00 , G01V3/10 , G01V11/00 , G01V9/00 , H02J50/40 , B60L53/12 , B60L53/60 , B60L53/124 , H01F5/00
摘要： In certain aspects, a method and apparatus for detecting foreign objects using heat sensitive material and inductive sensing is disclosed. In certain aspects, a foreign object detection system includes a heat sensing system comprising a heat sensitive material having a property configured to change as a function of temperature. The foreign object detection system further includes an inductive sensing system comprising one or more sense coils, wherein a change in an electrical characteristic of the one or more sense coils is indicative of presence of a foreign object. The foreign object detection system further includes a controller coupled to the heat sensing system and the inductive sensing system, wherein the controller is configured to determine presence of the foreign object based on at least one of a measure of the property of the heat sensitive material or a measure of the electrical characteristic of the one or more sense coils.
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公开(公告)号：US20230361618A1
公开(公告)日：2023-11-09
申请号：US18352099
申请日：2023-07-13
摘要： This disclosure provides an apparatus for detecting a presence of an object in a predetermined area of an inductive wireless power transfer system. The apparatus comprises a first wire-wound structure having an electrical characteristic configured for electromagnetic sensing of the object. The first wire-wound structure is formed, carried, and held in place by a coil-former substantially from a non-conductive material. The coil-former also forms, carries, and holds in place a second wire-wound structure configured for transferring power inductively. The apparatus further comprises a detection circuit coupled to the first wire-wound structure and configured to measure the electrical characteristic of the first wire-wound structure and to detect the presence of the object in response to a change in the electrical characteristic.
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公开(公告)号：US20210354573A1
公开(公告)日：2021-11-18
申请号：US17390763
申请日：2021-07-30
发明人： Hanspeter Widmer , Markus Bittner , Lukas Sieber , Marcel Fischer
IPC分类号： B60L53/124 , B60L3/00 , B60L3/04 , H02J50/12 , H02J50/60 , H04B5/00 , B60L53/30 , B60L53/37 , B60L53/63 , B60L50/16 , B60L53/36 , B60L50/51 , B60L50/60 , B60L55/00 , B60L53/65 , B60L53/68 , B60L53/122 , B60L53/126 , B60L53/12 , G01D5/20 , H01F38/14 , G01N27/72
摘要： This disclosure provides systems, methods and apparatus for detecting foreign objects. In one aspect an apparatus for detecting a presence of an object is provided. The apparatus includes a resonant circuit having a resonant frequency. The resonant circuit includes a sense circuit including an electrically conductive structure. The apparatus further includes a coupling circuit coupled to the sense circuit. The apparatus further includes a detection circuit coupled to the sense circuit via the coupling circuit. The detection circuit is configured to detect the presence of the object in response to detecting a difference between a measured characteristic that depends on a frequency at which the resonant circuit is resonating and a corresponding characteristic that depends on the resonant frequency of the resonant circuit. The coupling circuit is configured to reduce a variation of the resonant frequency by the detection circuit in the absence of the object.
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公开(公告)号：US20210138918A1
公开(公告)日：2021-05-13
申请号：US17153235
申请日：2021-01-20
发明人： Hans Peter Widmer , Lukas Sieber , Markus Bittner
IPC分类号： B60L53/124 , G01V11/00 , G01V9/00 , G01V3/10 , B60L53/60 , H02J50/40 , B60L53/126 , H02J7/04
摘要： In certain aspects, an enclosure for a wireless power transfer pad is disclosed. The enclosure includes a cover shell configured to be positioned over a portion of the wireless power transfer pad configured to face a wireless power receiver when wirelessly transferring power, wherein at least a portion of the cover shell is made of a heat resistant material.
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公开(公告)号：US11919407B2
公开(公告)日：2024-03-05
申请号：US17390763
申请日：2021-07-30
发明人： Hanspeter Widmer , Markus Bittner , Lukas Sieber , Marcel Fischer
IPC分类号： H01F38/14 , B60L3/00 , B60L3/04 , B60L50/16 , B60L50/51 , B60L50/60 , B60L53/12 , B60L53/122 , B60L53/124 , B60L53/126 , B60L53/30 , B60L53/36 , B60L53/37 , B60L53/63 , B60L53/65 , B60L53/68 , B60L55/00 , G01D5/20 , G01N27/72 , H02J50/12 , H02J50/60 , H04B5/00 , G01V3/10
CPC分类号： B60L53/124 , B60L3/003 , B60L3/0038 , B60L3/0046 , B60L3/04 , B60L50/16 , B60L50/51 , B60L50/66 , B60L53/12 , B60L53/122 , B60L53/126 , B60L53/30 , B60L53/305 , B60L53/36 , B60L53/37 , B60L53/63 , B60L53/65 , B60L53/68 , B60L55/00 , G01D5/2006 , G01N27/725 , H01F38/14 , H02J50/12 , H02J50/60 , H04B5/0043 , B60L2200/12 , B60L2200/22 , B60L2210/30 , B60L2210/40 , B60L2240/36 , B60L2240/525 , B60L2250/16 , B60L2270/147 , B60L2270/32 , B60L2270/34 , G01V3/10 , H04B5/0037 , Y02E60/00 , Y02T10/70 , Y02T10/7072 , Y02T10/72 , Y02T90/12 , Y02T90/14 , Y02T90/16 , Y02T90/167 , Y04S10/126 , Y04S30/14
摘要： This disclosure provides systems, methods and apparatus for detecting foreign objects. In one aspect an apparatus for detecting a presence of an object is provided. The apparatus includes a resonant circuit having a resonant frequency. The resonant circuit includes a sense circuit including an electrically conductive structure. The apparatus further includes a coupling circuit coupled to the sense circuit. The apparatus further includes a detection circuit coupled to the sense circuit via the coupling circuit. The detection circuit is configured to detect the presence of the object in response to detecting a difference between a measured characteristic that depends on a frequency at which the resonant circuit is resonating and a corresponding characteristic that depends on the resonant frequency of the resonant circuit. The coupling circuit is configured to reduce a variation of the resonant frequency by the detection circuit in the absence of the object.
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公开(公告)号：US11750041B2
公开(公告)日：2023-09-05
申请号：US17557675
申请日：2021-12-21
摘要： This disclosure provides an apparatus for detecting a presence of an object in a predetermined area of an inductive wireless power transfer system. The apparatus comprises a first wire-wound structure having an electrical characteristic configured for electromagnetic sensing of the object. The first wire-wound structure is formed, carried, and held in place by a coil-former substantially from a non-conductive material. The coil-former also forms, carries, and holds in place a second wire-wound structure configured for transferring power inductively. The apparatus further comprises a detection circuit coupled to the first wire-wound structure and configured to measure the electrical characteristic of the first wire-wound structure and to detect the presence of the object in response to a change in the electrical characteristic.
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公开(公告)号：US20230182589A1
公开(公告)日：2023-06-15
申请号：US18069656
申请日：2022-12-21
发明人： Hans Peter Widmer , Lukas Sieber , Markus Bittner
IPC分类号： B60L53/124 , G01V11/00 , G01V9/00 , G01V3/10 , B60L53/60 , H02J50/40 , H02J7/04 , B60L53/12 , H02J50/10 , H02J50/60
CPC分类号： B60L53/124 , G01V11/00 , G01V9/005 , G01V3/10 , B60L53/60 , H02J50/40 , G01V3/101 , H02J7/04 , B60L53/12 , H02J50/10 , H02J50/60 , H01F5/00
摘要： In certain aspects, an enclosure for a wireless power transfer pad is disclosed. The enclosure includes a cover shell configured to be positioned over a portion of the wireless power transfer pad configured to face a wireless power receiver when wirelessly transferring power, wherein at least a portion of the cover shell is made of a heat resistant material.
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公开(公告)号：US20210195501A1
公开(公告)日：2021-06-24
申请号：US17128490
申请日：2020-12-21
发明人： Markus Bittner , Lukas Sieber , Hans Peter Widmer
摘要： A vehicle is paired to a selected wireless charging station of a plurality of wireless charging stations by joining the vehicle to a first wireless network provided by a central access point, assigning a channel to use for pairing the vehicle to the selected wireless charging station by a network manager, transmitting a channel identifier to the vehicle over the first wireless network, and transmitting the channel identifier to the plurality of wireless charging stations. The vehicle then configures a beacon device coupled to the vehicle to use the assigned channel and moves into proximity of the selected wireless charging station. The selected wireless charging station detects a beacon signal of the beacon device, confirms that the beacon signal is using the identified channel, and transmits information identifying a second wireless network to the vehicle. The vehicle can then join the second wireless network using the transmitted information.
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