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公开(公告)号：US10884013B2
公开(公告)日：2021-01-05
申请号：US16805359
申请日：2020-02-28
摘要： A monitoring device includes a cavity assembly with a plurality of cavities. Openings of the plurality of cavities are distributed about a flow-facing surface of the cavity assembly. A gas pressure sensor is disposed within each of the cavities, and is configured to measure an absolute pressure of a gas flow which flows past the monitoring device. Gas pressure measurements from the pressure sensors may be used to determine a flow speed and a flow direction of the gas flow. More specifically, a mapping may be used to map the logarithm of the difference between the maximum and minimum pressures to a flow speed. Further, a lookup table may be used to map a pattern of pressure measurements to a flow direction.
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公开(公告)号：US10598683B2
公开(公告)日：2020-03-24
申请号：US16415115
申请日：2019-05-17
摘要： A monitoring device includes a cavity assembly with a plurality of cavities. Openings of the plurality of cavities are distributed about a flow-facing surface of the cavity assembly. A gas pressure sensor is disposed within each of the cavities, and is configured to measure an absolute pressure of a gas flow which flows past the monitoring device. Gas pressure measurements from the pressure sensors may be used to determine a flow speed and a flow direction of the gas flow. More specifically, a mapping may be used to map the logarithm of the difference between the maximum and minimum pressures to a flow speed. Further, a lookup table may be used to map a pattern of pressure measurements to a flow direction.
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公开(公告)号：US20190271716A1
公开(公告)日：2019-09-05
申请号：US16415115
申请日：2019-05-17
摘要： A monitoring device includes a cavity assembly with a plurality of cavities. Openings of the plurality of cavities are distributed about a flow-facing surface of the cavity assembly. A gas pressure sensor is disposed within each of the cavities, and is configured to measure an absolute pressure of a gas flow which flows past the monitoring device. Gas pressure measurements from the pressure sensors may be used to determine a flow speed and a flow direction of the gas flow. More specifically, a mapping may be used to map the logarithm of the difference between the maximum and minimum pressures to a flow speed. Further, a lookup table may be used to map a pattern of pressure measurements to a flow direction.
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公开(公告)号：US20190178703A1
公开(公告)日：2019-06-13
申请号：US16275703
申请日：2019-02-14
IPC分类号： G01G19/414 , G09B19/00 , G01G21/22 , G01G19/415 , G01G19/42 , G16H20/60 , G16H50/20
CPC分类号： G01G19/4146 , G01G19/415 , G01G19/42 , G01G21/22 , G06F16/00 , G06F19/3475 , G09B19/0092 , G16H20/60 , G16H50/20
摘要： A pressure-sensitive device and a computing device are configured to register various steps of a meal lifecycle, including one or more of food purchasing, meal preparation, the serving and consumption of a meal, use of leftovers, management of food inventory, the transferring of a food item from one container to another, the transferring of a food item into a container, the transferring of a portion of a food item into a container. A food item may be automatically identified based on a weight and footprint of the food item. In some instances, a database associates a food item with multiple footprints such that a food item may be identified regardless of its orientation on the pressure-sensitive device.
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公开(公告)号：US11181544B2
公开(公告)日：2021-11-23
申请号：US17179737
申请日：2021-02-19
摘要： A monitoring device includes a sensor module disposed between an aeroshell and a cavity assembly. A surface of the aeroshell and a surface of the cavity assembly may form a flow-facing surface of the monitoring device. A junction area on the flow-facing surface within which the aeroshell abuts the cavity assembly may be a smooth surface to minimize the disruption to the surrounding flow of fluid. The sensor module may sample the absolute pressure from ports distributed about the flow-facing surface. The absolute pressure measurements may be used to compute the velocity of the fluid flow, including speed and/or direction. The monitoring device may be powered by inductively received energy or harvested energy. In one variant of the monitoring device, the monitoring device may be constructed from an electrically coupled mosaic of flexible thin-profile tiles, each of which may be responsible for one functional aspect of the monitoring device.
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公开(公告)号：US20210263063A1
公开(公告)日：2021-08-26
申请号：US17179737
申请日：2021-02-19
摘要： A monitoring device includes a sensor module disposed between an aeroshell and a cavity member. A surface of the aeroshell and a surface of the cavity assembly may form a flow-facing surface of the monitoring device. A junction area on the flow-facing surface within which the aeroshell abuts the cavity assembly may be a smooth surface to minimize the disruption to the surrounding flow of fluid. The sensor module may sample the absolute pressure from ports distributed about the flow-facing surface. The absolute pressure measurements may be used to compute the velocity of the fluid flow, including speed and/or direction. The monitoring device may be powered by inductively received energy or harvested energy. In one variant of the monitoring device, the monitoring device may be constructed from an electrically coupled mosaic of flexible thin-profile tiles, each of which may be responsible for one functional aspect of the monitoring device.
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公开(公告)号：US10267671B2
公开(公告)日：2019-04-23
申请号：US15783189
申请日：2017-10-13
IPC分类号： G01G19/414 , G06F19/00 , G01G19/415 , G01G21/22 , G09B19/00 , G01G19/42 , G16H50/20 , G16H20/60 , G06F16/00
摘要： A pressure-sensitive device and a computing device are configured to register various steps of a meal lifecycle, including one or more of food purchasing, meal preparation, the serving and consumption of a meal, use of leftovers, management of food inventory, the transferring of a food item from one container to another, the transferring of a food item into a container, the transferring of a portion of a food item into a container. A food item may be automatically identified based on a weight and footprint of the food item. In some instances, a database associates a food item with multiple footprints such that a food item may be identified regardless of its orientation on the pressure-sensitive device.
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公开(公告)号：US10267670B2
公开(公告)日：2019-04-23
申请号：US15782788
申请日：2017-10-12
IPC分类号： G01G19/414 , G06F19/00 , G01G19/415 , G01G21/22 , G09B19/00 , G01G19/42 , G16H50/20 , G16H20/60 , G06F16/00
摘要： A pressure-sensitive device and a computing device are configured to register various steps of a meal lifecycle, including one or more of food purchasing, meal preparation, the serving and consumption of a meal, use of leftovers, management of food inventory, the transferring of a food item from one container to another, the transferring of a food item into a container, the transferring of a portion of a food item into a container. A food item may be automatically identified based on a weight and footprint of the food item. In some instances, a database associates a food item with multiple footprints such that a food item may be identified regardless of its orientation on the pressure-sensitive device.
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公开(公告)号：US20220026459A1
公开(公告)日：2022-01-27
申请号：US17450382
申请日：2021-10-08
摘要： A monitoring device includes a sensor module disposed between an aeroshell and a cavity assembly. A surface of the aeroshell and a surface of the cavity assembly may form a flow-facing surface of the monitoring device. A junction area on the flow-facing surface within which the aeroshell abuts the cavity assembly may be a smooth surface to minimize the disruption to the surrounding flow of fluid. The sensor module may sample the absolute pressure from ports distributed about the flow-facing surface. The absolute pressure measurements may be used to compute the velocity of the fluid flow, including speed and/or direction. The monitoring device may be powered by inductively received energy or harvested energy. In one variant of the monitoring device, the monitoring device may be constructed from an electrically coupled mosaic of flexible thin-profile tiles, each of which may be responsible for one functional aspect of the monitoring device.
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公开(公告)号：US11360114B2
公开(公告)日：2022-06-14
申请号：US17450382
申请日：2021-10-08
摘要： A monitoring device includes a sensor module disposed between an aeroshell and a cavity assembly. A surface of the aeroshell and a surface of the cavity assembly may form a flow-facing surface of the monitoring device. A junction area on the flow-facing surface within which the aeroshell abuts the cavity assembly may be a smooth surface to minimize the disruption to the surrounding flow of fluid. The sensor module may sample the absolute pressure from ports distributed about the flow-facing surface. The absolute pressure measurements may be used to compute the velocity of the fluid flow, including speed and/or direction. The monitoring device may be powered by inductively received energy or harvested energy. In one variant of the monitoring device, the monitoring device may be constructed from an electrically coupled mosaic of flexible thin-profile tiles, each of which may be responsible for one functional aspect of the monitoring device.
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