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公开(公告)号：US20240328846A1
公开(公告)日：2024-10-03
申请号：US18605101
申请日：2024-03-14
Applicant: NIPPON PILLAR PACKING CO., LTD
Inventor： Kentaro WATANABE , Akira NAKATSU , Yusuke NATSUHARA
IPC: G01F23/263
CPC classification number: G01F23/268 , G01F23/266
Abstract: There is provided a liquid sensor capable of detecting a liquid level with high accuracy regardless of the type and quality of the liquid. The liquid sensor detects a liquid level in a state where at least part of the liquid sensor is immersed in the liquid. The liquid sensor includes a substrate. A plurality of electrodes are formed on the substrate. A first electrode portion is constructed by a first pair of electrodes included in the plurality of electrodes. A second electrode portion is constructed by a second pair of electrodes included in the plurality of electrodes. A hole is formed in the substrate. The first pair of electrodes are formed on the inner peripheral surface of the substrate formed by the hole. In a state where the liquid sensor is immersed in the liquid, the second electrode portion is positioned below the first electrode portion.
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公开(公告)号：US12084337B2
公开(公告)日：2024-09-10
申请号：US17596149
申请日：2020-06-08
Applicant: Heineken Supply Chain B.V.
CPC classification number: B67D1/0855 , B67D1/08 , B67D1/0888 , B67D1/12 , B67D1/1247 , G01F1/56 , G01F1/584 , G01F13/006 , G01F15/022 , G01F15/14 , G01F23/263 , G01F23/266 , G01F13/008
Abstract: A dispensing system for a beverage comprises in a tap system a bore for housing a duct. Along the bore, close to or on the duct, at least two electrodes are provided such that at least at some locations along the duct, the two electrodes are provided opposite to one another with the duct in between, thus constituting a capacitor. An oscillating signal is provided to one electrode and a signal is read out from the other electrode. As a beverage is drawn through the duct in a container, capacitance of the capacitor changes. The flowing beverage may have different characteristics, but capacitance may also change as the beverage in the duct is in conducting contact with a container that may be in contact with a ground contact. The change of capacitance results in a change of the amplitude of a detection circuit connected to the second electrode.
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公开(公告)号：US12054379B2
公开(公告)日：2024-08-06
申请号：US15734576
申请日：2019-06-06
Applicant: Heineken Supply Chain B.V.
CPC classification number: B67D1/0855 , B67D1/08 , B67D1/0888 , B67D1/12 , B67D1/1247 , G01F1/56 , G01F1/584 , G01F13/006 , G01F15/022 , G01F15/14 , G01F23/263 , G01F23/266 , G01F13/008
Abstract: A dispensing system for a beverage includes in a tap system a bore for housing a duct. Along the bore, close to or on the duct, at least two electrodes are provided such that at least at some locations along the duct, the two electrodes are provided opposite to one another with the duct in between, thus constituting a capacitor. An oscillating signal is provided to one electrode and a signal is read out from the other electrode. As a beverage is drawn through the duct in a container, capacitance of the capacitor changes. The flowing beverage may have different characteristics, but capacitance may also change as the beverage in the duct is in conducting contact with a container that may be in contact with an earth contact. The change of capacitance results in a change of the amplitude of a detection circuit connected to the second electrode.
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公开(公告)号：US20190152575A1
公开(公告)日：2019-05-23
申请号：US16255601
申请日：2019-01-23
Applicant: Richard L. Hartman
Inventor： Richard L. Hartman
CPC classification number: B63J99/00 , B63B11/04 , B63B13/00 , B63B39/03 , B63J2099/006 , G01F23/265 , G01F23/266
Abstract: Wakeboat ballast compartment fluid level sensing assemblies are provided that can include: a wakeboat having a hull; a ballast compartment associated with the hull; a nonconductive sensor chamber in fluidic communication with the ballast compartment; and at least one conductive electrode associated with the sensor chamber. Methods for sensing a fluid level within a ballast compartment aboard a wakeboat are also provided. The methods can include maintaining fluid communication between the ballast compartment and a sensor chamber; and determining the electrical communication of electrodes operatively associated with the sensor chamber.
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5.发明授权公开(公告)号：US10061344B2
公开(公告)日：2018-08-28
申请号：US14901163
申请日：2014-06-02
Applicant: Endress + Hauser GmbH + Co. KG
Inventor： Stefan Rummele-Werner , Dietmar Fruhauf , Armin Wernet , Kaj Uppenkamp , Gerd Bechtel
CPC classification number: G06F1/08 , G01F23/266 , G06F1/0321 , G06F1/0328
Abstract: A signal generator for producing periodic signals for a measuring apparatus of automation technology. The signals have sequential, discrete signal frequencies, which lie within a predetermined frequency range. A control- and/or computing unit, a clock signal producer are provided, wherein the clock signal producer provides a constant sampling frequency, which is greater than the maximum discrete signal frequency in the predetermined frequency range. A memory unit is provided, in which for each of the discrete signal frequencies the amplitude values of the corresponding periodic signals are stored or storable as a function of the sampling frequency. The control- and/or computing unit reads out the stored or storable amplitude values of the discrete frequencies successively with the sampling frequency of the clock from the memory unit and produces the periodic signals, or forwards for producing. A static filter unit, is also provided with a limit frequency, which lies above the maximum signal frequency and which removes frequency fractions caused by the sampling.
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Patent Agency Ranking
公开(公告)号：US10006798B2
公开(公告)日：2018-06-26
申请号：US15431117
申请日：2017-02-13
Applicant: Abbott Laboratories
Inventor： Hidesuke Kokawa
CPC classification number: G01F25/0061 , G01F23/263 , G01F23/266 , G01F23/268
Abstract: A hematology instrument with liquid level detection for liquid in a container is provided. The hematology instrument includes a probe disposed next to a container site. The probe is displaceable relative to the container site to enter a container when positioned at the container site. Further, the probe is electrically grounded. The hematology instrument includes a capacitive sensor having at least one capacitive electrode disposed next to the container site. The capacitive sensor also has a detection module to detect capacitive changes at the at least one capacitive electrode when the probe contacts liquid in the container. The hematology instrument also includes a calibration module configured to calibrate the capacitive sensor a plurality of times as the probe displaces relative to the container site to enter the container. Kits and methods related thereto are also provided.
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公开(公告)号：US20180132643A1
公开(公告)日：2018-05-17
申请号：US15557108
申请日：2016-03-09
Applicant: Avishai Shklar
Inventor： Avishai Shklar
CPC classification number: A47G23/16 , A47G19/2227 , G01C9/20 , G01C9/24 , G01C2009/182 , G01F23/0061 , G01F23/266 , G01F23/268 , G06Q20/327 , G07F13/06 , H04Q9/00
Abstract: The present invention relates to a liquid retaining device for providing the actual amount of liquid intake by a user, comprising: a) a container body having a bottom wall and side walls, wherein the inside surface of the bottom and side walls is a non-conductive layer; b) at least one pair of sensors in form of capacitive strips that are embedded within the side walls in such a way that each strip extends from top to bottom of the side wall, such that the non-conductive layer serves as a dielectric in a capacitor composed of said capacitive strips a conductive liquid within said container body, thereby the readings of said sensors indicates the liquid level inside the container body across the side wall; and c) an electronic module that includes a control logic for handling the readings of said sensors, thereby enabling to convert said readings into the actual amount of liquid intake.
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公开(公告)号：US09910004B2
公开(公告)日：2018-03-06
申请号：US15168399
申请日：2016-05-31
Applicant: Tecan Trading AG
Inventor： Markus Schoeni , Philipp Ott , Lars Kamm , Paul Zbinden
CPC classification number: G01N27/22 , G01F23/0069 , G01F23/265 , G01F23/266 , G01N1/10 , G01N35/1011 , G01N2035/1018
Abstract: A capacitively operating apparatus (100) has a container, a probe (3) movable into and/or out of the container, an input signal generator connectable to the probe (3) to provide an input signal (sin(t)) which produces at least one output signal (sout(t) in the probe (3), and a measuring apparatus (M) connectable to the probe (3) to tap the output signal (sout(t)) from the probe (3), and wherein the probe (3) is periodically chargeable and dischargeable, the output signal (sout(t)) corresponds to the time progression of a charging/discharging curve which is produced by the periodic charging and discharging of the probe (3). The apparatus (100) also includes a circuit module (10, 11) with two comparators for providing a first comparator output signal (PWM1) and a second comparator output signal (PWM2) from the output signal (sout(t)) and to correlate them with one another.
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公开(公告)号：US09789697B1
公开(公告)日：2017-10-17
申请号：US15220686
申请日：2016-07-27
Applicant: XEROX CORPORATION
Inventor： David L. Knierim , Steven Ross Slotto , Blake Terry Weimer
CPC classification number: B41J2/17566 , B41J2/17513 , B41J2002/17579 , G01F23/24 , G01F23/241 , G01F23/265 , G01F23/266
Abstract: A fluid sensor has a first electrode, a second electrode, a housing containing the first and second electrodes, such that the electrodes extend from the housing, exposed metal between the first and second electrodes, and a drive signal electrically connected to the second electrode, such that when fluid is present in the reservoir, either the first electrode senses the presence of the fluid, or the drive signal senses presence of the fluid. A fluid sensor has a first electrode, a second electrode, a housing containing the first and second electrodes, a drive signal electrically connected to the second electrode, and sensing circuitry to measure a current from the second electrode to indicate a fluid level.
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公开(公告)号：US09752914B2
公开(公告)日：2017-09-05
申请号：US12490414
申请日：2009-06-24
Applicant: Noam Levine
Inventor： Noam Levine
CPC classification number: G01F23/02 , A61F5/44 , A61M25/0017 , G01F1/007 , G01F1/56 , G01F23/266
Abstract: Disclosed are a method, device and system for determining a flow rate of an excretion stream within an excretion collection assembly. According to some embodiments of the present invention, one of the constituent elements of the collection assembly includes a sensing module which includes an electrical and/or electromechanical component.
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