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| Number | Title | Issue Date |
| 8004292 | Electrical penetration graph system An electrical penetration graph (EPG) system includes a monitoring device with a buffered and stabilized voltage source assembly and a buffered internal amplifier with switched gain control. The system also includes a head stage amplifier. During the EPG process, th... | 08/23/2011 |
| 8004291 | Bioelectric impedance measuring circuit A bioelectric impedance measuring circuit for applying a current to an organism and measuring a bioelectric impedance of the organism is disclosed that includes a pseudo-sine wave generating circuit for generating a pseudo-sine wave based on an input square wave, a ... | 08/23/2011 |
| 7994802 | Apparatus for examining or monitoring plants An apparatus (1) is used to examine or monitor the state or state of health of plants (2) with the aid of a bipolar electrode (4) which uses its at least two different poles (5) to measure corresponding potentials of the plant and supply ... | 08/09/2011 |
| 7956624 | Method and system for monitoring growth characteristics A system monitors growth characteristics of a plant having a root buried in a prescribed volume of ground using a plurality of electrodes inserted into the ground at a known spacing relative to one another in proximity to the root or root-like structure. When electr... | 06/07/2011 |
| 7928740 | Method for positioning carbon nanotubes between electrodes, biomolecule detector based on carbon nanotube-probe complexes and detection method using the same A device and method are disclosed for detecting biomolecules. More specifically, by measuring the change in the electrical properties of a complex between a probe and carbon nanotubes, a non-label detection is achieved, capable of a rapid, sensitive and electrical d... | 04/19/2011 |
| 7876108 | Real time electronic cell sensing system and applications for cytotoxicity profiling and compound assays The present invention includes devices, systems, and methods for assaying cells using cell-substrate impedance monitoring. In one aspect, the invention provides cell-substrate impedance monitoring devices that comprise electrode arrays on a nonconducting substrate, ... | 01/25/2011 |
| 7847565 | System for electrical impedance tomography and method thereof A system for electrical impedance tomography and method thereof are disclosed, by which electrical characteristics within a measurement target can be precisely detected. The present invention includes the steps of injection a current to a measurement target via at l... | 12/07/2010 |
| 7626401 | Method and system for error checking an electrochemical sensor A method and a corresponding system for error checking an electrochemical sensor having at least two electrodes and a liquid measuring medium applied thereto are disclosed. The method discloses determining a first admittance between a first set of electrodes of the ... | 12/01/2009 |
| 7443175 | Surgical testing instrument and system The present disclosure describes an instrument for measuring the dielectric properties of biological tissue. The instrument includes a top electrode assembly and a bottom electrode assembly, the top electrode assembly including a top electrode and at least one shaft... | 10/28/2008 |
| 7429865 | Method and system for error checking an electrochemical sensor A method and a corresponding system for error checking an electrochemical sensor having at least two electrodes and a liquid measuring medium applied thereto are disclosed. The method involves determining a first admittance between a first set of electrodes of the s... | 09/30/2008 |
| 7403816 | Method and apparatus for analyzing bioelectrical response waveform information, and diagnostic apparatus thereof A method for analyzing skin response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency. A current value at the start of polarization caused by the application of the voltage is determined, followed by determining a... | 07/22/2008 |
| 7371561 | In vitro, multiple electrode pair array and multiple treatment cell apparatus for use in electroporation A multiple electrode pair array apparatus is provided for use with a multiple well plate which has multiple wells distributed in a two-dimensional matrix array which has R rows and C columns. The multiple electrode pair array apparatus includes a non-conductive base... | 05/13/2008 |
| 7361478 | High-throughput screen for identifying selective persistent sodium channels channel blockers A method for identifying a selective persistent Na+ channel blocker by measuring the ability of the blocker to reduce or inhibit a persistent Na+ current to a greater degree than a transient Na+ current. Aspects of the present method... | 04/22/2008 |
| RE40209 | Cell potential measurement apparatus having a plurality of microelectrodes A cell potential measurement apparatus, which uses a planar electrode enabling a multi-point simultaneous measurement of potential change arising from cell activities, is provided which can conduct measurements accurately and efficiently as well as can improve conve... | 04/01/2008 |
| 7348890 | Pest control techniques A pest control system (20) includes pest control devices (110) installed about an area or building (22). These devices (110) each include a bait member and a communication circuit. The communication circuit may be in the form of a passive... | 03/25/2008 |
| 7317320 | Method and apparatus for measuring body fat by using bioelectrical impedance A method and apparatus for measuring body fat using bioelectrical impedance, that reduces measurement errors and improves repeatability by compensating for variation of a contact voltage caused by variation of an electrode contact area. The method includes: detectin... | 01/08/2008 |
| 7315767 | Impedance spectroscopy based systems and methods One aspect of the invention provides a device that non-invasively determines the concentration of a substance in a target. The device includes a first electrode, a measuring circuit, and a data processor. In one embodiment of the device, the first electrode can be e... | 01/01/2008 |
| 7288943 | Electroimpedance tomograph with common-mode signal suppression An electroimpedance tomograph is provided with a plurality of electrodes (1), which can be placed on the body of a patient and are connected to a control and evaluating unit (20) via a selector switch (60). The control and evaluating unit (20... | 10/30/2007 |
| 7283870 | Apparatus and method for obtaining cardiac data An apparatus and method for obtaining information, such as heart rate or the presence of atrial fibrillation, from electrodes applied to the feet of a subject. A scale having electrodes may be used for this purpose. The signal obtained from the electrodes is digitiz... | 10/16/2007 |
| 7270730 | High-throughput electrophysiological measurement system Systems, including apparatus and methods, for performing electrophysiological measurements on membranous samples, including living cells, isolated cell fragments (such as organelles), and/or artificial membranes (such as vesicles). The apparatus may include a high-t... | 09/18/2007 |
| 7266457 | High throughput functional genomics This invention focuses on the marriage of solid-state electronics and neuronal function to create a new high-throughput electrophysiological assay to determine a compound's acute and chronic effect on cellular function. Electronics, surface chemistry, biotechnology,... | 09/04/2007 |
| 7260481 | Vector detecting device and living-body complex impedance measuring apparatus having the vector detecting device A phase-sensitivity detector detects a phase sensitivity of an AC signal with a known frequency, output by an input amplifier, and an integrator double-integrates an output of (X-Y) of which the phase sensitivity is detected, thereby obtaining vector detecting infor... | 08/21/2007 |
| 7254439 | Method and system for contactless evaluation of fatigue of an operator The invention relates to a method and device for contactless assessment of fatigue of a user, in particular a vehicle operator. The invention is comprised of a seamless continuous evaluation of cardiac activity variability and uses this data as an input for evaluati... | 08/07/2007 |
| 7250775 | Microfluidic devices and methods based on measurements of electrical admittance Microfluidic devices and methods that use electrical admittance as the basis for measuring flow rate of fluids and/or for distinguishing (e.g., characterizing, sorting, separation, etc.) different particles, chemical compositions or biospecies (e.g., different cells... | 07/31/2007 |
| 7239155 | Electrochemical impedance measurement system and method for use thereof Disclosed is a method and apparatus for an electrochemical impedance measurement, and in particular circuitry and components employed for such measurements. The system employs an injected broadband AC signal to produce an associated response signal. The subsequent a... | 07/03/2007 |
| 7174846 | Method and device for preparing a layer of coating material, and coating device In a method for forming a layer of coating material, a conveyor having a conveying part which is pervious to the coating material is used. This coating material is displaced on the conveying part over a guide plate into a coating zone. At the end of a coating zone, ... | 02/13/2007 |
| 7161362 | System and method for measuring bioelectric impedance in the presence of interference A system for measuring bioelectric impedance in real time, in the presence of interference and noise is disclosed. A small electric current is injected into a biopotential electrode system, and then the measurement is tested for contamination by electrical interfere... | 01/09/2007 |
| 7129717 | Systems and methods for measuring tear film osmolarity An osmolarity measuring system is configured to receive a contact lens in a measurement chamber. The measurement chamber includes a volume of fluid, and a series of electrodes are configured to measure the electrical properties of the fluid. A processing device corr... | 10/31/2006 |
| 7123026 | Surface shape recognition sensor and method of manufacturing the same A surface shape recognition sensor includes capacitive detection elements, support electrode, protective film, and projections. The detection elements are formed from lower electrodes and a deformable plate-like upper electrode made of a metal. The lower electrodes ... | 10/17/2006 |
| 7102531 | Remote controller for television/video recorder having a function of measuring body fat and body fat meter A remote controller for a television/video recorder having a function of measuring a body fat includes a display section for displaying a measurement of the body fat and a message questioning whether or not a user to be examined carries a specific medical device suc... | 09/05/2006 |
| 7087019 | Apparatus for testing skin moisture An apparatus for testing skin moisture including a casing, a fixed base at the front end of the casing, at least one through hole on the fixed base, a hollow cylindrical metal electrode with a closed end passing through the through hole, and an electrically conducti... | 08/08/2006 |
| 7078909 | Flow-through conductivity sensor An improved flow-through conductivity sensor is provided. The sensor includes a current return path that has a current return conductor. At least one toroid of the sensor is removed from the flow path and configured to interact with the current return conductor to p... | 07/18/2006 |
| 7042235 | Method for the detection of leaks in components conducting liquids and device for executing the method A method and a device for detecting leaks in components conducting liquids by a sensor reacting to leaks. The component to be monitored is inserted into a closable envelope containing the leaked liquid. Electrodes are embedded into the envelope. The resistance and/o... | 05/09/2006 |
| 7017394 | Tear film osmometry Osmolarity measurement of a sample fluid, such as tear film, is achieved by depositing an aliquot-sized sample on a sample receiving substrate. The sample fluid is placed on a sample region of the substrate. Energy is imparted to the sample fluid and energy properti... | 03/28/2006 |
| 7015701 | Highly time resolved impedance spectroscopy A highly time resolved impedance spectroscopy enhances measurement of the dynamics of non-stationary systems with enhanced time resolution. The highly time resolved impedance spectroscopy includes an optimized, frequency rich a.c., or transient, voltage signal is us... | 03/21/2006 |
| 7006929 | Signal detecting sensor provided with multi-electrode A sensor capable of simply and quickly measuring the electrical activities of a number of cells simultaneously and a device comprising the sensor and capable of detecting the signal transmission between subject cells are provided. The sensor comprises a plurality of... | 02/28/2006 |
| 6996429 | Apparatus and method for detecting flinch response to nociceptive agents An apparatus and method for measuring spatial displacement of an animal's paw injected with irritant. This apparatus comprises an electromagnetic detecting assembly having (1) a transmitting oscillator for generating electrical current (2) an electroma... | 02/07/2006 |
| 6991910 | High-throughput screen for identifying channel blockers that selectively distinguish transient from persistent sodium channels A method for identifying a Na+ channel blocker, including providing a cell containing a Na+ channel, demonstrating both a transient and a persistent current. The cell includes a potassium (K+) channel and a Na/K ATPase (Na+ | 01/31/2006 |
| 6962587 | Method for detecting and treating tumors using localized impedance measurement An embodiment of the invention provides a method for detecting and treating a tumor using tissue localized volumetric impedance measurement. The method includes providing an impedance measurement apparatus having a plurality of resilient members deployable with curv... | 11/08/2005 |
| 6906533 | TV remote control unit with body fat measurement function When measuring body fat through use of a TV remote control unit, the body of a person to be subjected to body fat measurement is brought into contact with current application electrodes and voltage measurement electrodes, which are subjected to application of a sinu... | 06/14/2005 |
