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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7764070 | Bio molecular detection apparatus and method thereof An apparatus and method of detecting bio molecular by measuring a variation of an electrical characteristic of a circuit having an inductance device and a capacitance device. The bio molecular detection method comprises providing a signal converting unit having at l... | 07/27/2010 |
| 7278186 | Ultra low frequency moisture sensor An apparatus for measuring a moisture content value within a volume. A frequency generator generates at least one source signal at frequencies of no more than about one kilohertz. Probes are disposed with surfaces in physical contact with the volume, where no direct... | 10/09/2007 |
| 7263875 | Multi-layer windshield moisture detector A moisture detection system includes a moisture detector having a first electrical conductor, a first substrate having the first electrical conductor disposed on one surface thereof, a spacing layer coupled to the other surface of the first substrate, a second subst... | 09/04/2007 |
| 7258483 | Device for measuring the level and/or the temperature in a container A device for measuring at least one of a level and a temperature of a liquid in a container includes a resistor arrangement adapted to be immersed in the liquid. An immersed length of the resistor arrangement in the liquid corresponds to the level of the liquid in t... | 08/21/2007 |
| 7204130 | Windshield moisture detector A moisture detector can include a first elongated conductor disposed on a substrate. The first conductor can define a zigzag path between the opposite ends thereof. A second conductor can also be disposed on the substrate at least partially surrounding the first con... | 04/17/2007 |
| 7170302 | Capacitive soil moisture sensor A capacitive soil moisture sensor that is easy to install, does not require complex calibration, can sense moisture at a particular depth, can accommodate soils of different composition, does not alter soil densities, provides fast response to changes in moisture an... | 01/30/2007 |
| 7098674 | Occupant sensor An oscillatory or pulsed first signal is operatively coupled to a first electrode placed between a conductive heating element and a seating region of a seat containing the heating element. A second signal substantially equal to the first signal is operatively couple... | 08/29/2006 |
| 7068050 | Moisture and density detector (MDD) A Moisture and Density Detector (MDD) provides a method and apparatus to determine the moisture content and/or density, as well as presence and location of anomalies, and/or wood type of any dielectric material for various purposes. This device is very useful in det... | 06/27/2006 |
| 7064562 | Temperature compensation method for soot sensor Certain characteristics of Diesel engine lubrication oil are determined. A sensor formed as a capacitor is immersed in the oil. An inductor is in series with the sensor, and a high frequency voltage with a varying frequency is applied to the resonance circuit formed... | 06/20/2006 |
| 7049831 | Fluid quality control using broad spectrum impedance spectroscopy A system and method for monitoring and controlling the properties of fluids is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements, and is suitable for real-time, in situ, monitoring and quality control operations, such as quality contr... | 05/23/2006 |
| 7042234 | Soil matric potential and salinity measurement apparatus and method of use A soil parameter measurement arrangement includes a capacitive based soil moisture and salinity sensor, a predetermined moisture migration medium located in a volume adjacent said sensor so that the medium substantially occupies the field of influence of said sensor... | 05/09/2006 |
| 6992494 | Method and apparatus for monitoring the purity and/or quality of steam A method and apparatus for monitoring at least one of steam purity and steam quality for steam used in a decontamination process. A capacitor is exposed to the steam, wherein the steam acts as a dielectric between the plates of the capacitor. Permittivity of the die... | 01/31/2006 |
| 6989755 | Signal transmission device and method A signal transmitting apparatus which makes exchanging information when pouring a liquid possible. A container body 201 of a transmitter side container 20 holds an electrically conductive liquid 402. A display 306 for confirming data rece... | 01/24/2006 |
| 6960921 | Method and apparatus for real time monitoring of metallic cation concentrations in a solution A method and apparatus for monitoring the concentration of metal cations in a chemical solution. In a preferred embodiment, the chemical solution is a solution for derouging or passivating stainless steel. A capacitive sensor provides data indicative of the concentr... | 11/01/2005 |
| 6946852 | Method and apparatus for measuring concentration of a chemical component in a gas mixture A chemical concentration detecting system for determining the relative concentration of a chemical component in a gas mixture. The gas mixture may include chemical components that are antimicrobial chemicals, as well as chemical components that are base chemicals, a... | 09/20/2005 |
| 6933733 | Method and apparatus for measuring the concentration of hydrogen peroxide in a fluid A method and apparatus for measuring the concentration of hydrogen peroxide in a liquid or gaseous fluid. A capacitor is exposed to the fluid, wherein the fluid acts as the dielectric between the conductors of the capacitor. The permittivity and dielectric constant ... | 08/23/2005 |
| 6930493 | Method and apparatus for monitoring detergent concentration in a decontamination process A method and apparatus for monitoring the concentration of a detergent in a detergent solution. A capacitive sensor is exposed to the detergent solution, and electrical properties of the capacitive sensor are responsive to changes in the concentration of detergent i... | 08/16/2005 |
| 6928868 | Water well monitoring system An apparatus and method for monitoring a liquid level in a 4-20 mA closed loop system are provided. A process instrument and a measuring unit are powered for a predetermined time and power is provided by a battery. ... | 08/16/2005 |
| 6927582 | Method and apparatus for monitoring the state of a chemical solution for decontamination of chemical and biological warfare agents A method and apparatus for monitoring the state of a chemical solution for neutralization of chemical and biological warfare agents are disclosed. A capacitor is exposed to the chemical solution, wherein the steam acts as a dielectric between the plates of the capac... | 08/09/2005 |
| 6832507 | System for detecting the presence of moisture The system comprises at least one electronic sensor for detecting the presence of moisture. The system further comprises at least one reading device for obtaining information from the sensor about the presence of moisture. The sensor comprises a resonant circuit whi... | 12/21/2004 |
| 6753689 | RF configuration in a plasma processing system In one embodiment, a radio frequency (RF) configuration in a plasma processing system includes an RF electrode driven by an RF signal source and a non-RF electrode coupled to an electronic module. A filter coupled to the non-RF electrode is configured to provide max... | 06/22/2004 |
| 6741083 | OSCILLATING DEVICE FOR THE DETERMINATION OF THE PURITY OF SINGLE OR MULTI-COMPONENT LIQUIDS FROM THEIR DIELECTRIC PERMITTIVITY, IN A CONTINUOUS WAY AND THROUGH FREQUENCY CHANGES IN THE STATIC PERMITTIVITY REGION AND AN ASSOCIATED MEASUREMENT PROCEDURE An oscillating device to determine the purity of single or multi-component liquids on the basis of their dielectric permittivity, in a continuous procedure through the frequency change in the static permittivity region and with strict temperature control. The oscill... | 05/25/2004 |
| 6703674 | Electrical device A clock signal generator in an integrated circuit semiconductor device and a method of generating a clock signal, the clock signal generator comprising: a semiconductor substrate (2); an oscillator unit (4) which comprises at least one support member (10,... | 03/09/2004 |
| 6674294 | Drive feedthrough nulling system The present invention relates to a system for nulling drive feedthrough error in a sensor having first and second drive electrodes which impart vibratory motion to first and second proof masses in response to first and second opposite phase drive signals,... | 01/06/2004 |
| 6653841 | Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel The invention relates to a device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel, and to the use of said device and method. According to the invention, the invention provides that a toroida... | 11/25/2003 |
| 6646452 | Sensing of seat occupant weight by cushion deformation An apparatus (100) for sensing presence and weight of a vehicle occupant includes a first conductor (120) that is electrically coupled to an oscillating circuit and disposed adjacent a first surface (112) of a compliant pad (110) within the seat of the ve... | 11/11/2003 |
| 6486683 | Variable reactance position detector A position sensor comprises a capacitive transducer and an inductor connected in series with the transducer. The transducer is a differential capacitor whose total admittance is essentially independent of changes in the sensed position. The total capacita... | 11/26/2002 |
| 6480007 | Capacitive sensor excitation techniques A position sensor determines relative changes in position of a first member and a second member. A first conductor is movable with one of the members and a second conductor is energized in response to a first electrical signal coupled to the first conduct... | 11/12/2002 |
| 6433560 | Combined fluid condition monitor and fluid level sensor A combination fluid condition monitor and fluid level sensor having an excitation electrode divided into two segments disposed closely spaced and parallel to current sensing electrode. For the fluid condition monitoring mode function both segments of the ... | 08/13/2002 |
| 6404207 | Scanning capacitance device for film thickness mapping featuring enhanced lateral resolution, measurement methods using same The present invention includes capacitive film thickness measurement devices and measurement systems. The invention also includes machines or instruments using those aspects of the invention. The present invention additionally includes methods and procedu... | 06/11/2002 |
| 6278281 | Fluid condition monitor A fluid condition monitor suitable for real time monitoring of a fluid in a fluid system such as on-board vehicle monitoring of engine oil and transmission fluid to determine contamination. A capacitive spaced array electrode probe is immersed in the flui... | 08/21/2001 |
| 6192318 | Apparatus and method for automatically matching microwave impedance A recording medium suitable for use in an impedance matching apparatus adapted to a waveguide transmitting a microwave to a load. The apparatus includes detecting diodes and a computer. The recording medium includes a program, which includes predetermined... | 02/20/2001 |
| 5672976 | Wetness sensor for a window of a motor vehicle In a wetness sensor for a window of a motor vehicle, a heating resistor arranged in the window and powered by DC current can be connected to a measuring device for measuring an AC impedance of the heating resistor, in particular the capacitive portion the... | 09/30/1997 |
| 5625294 | Apparatus for detecting seated condition for toilet seat An apparatus for detecting seated condition for toilet seat which detects whether the change in input voltage of determining circuit, over predetermined time, in response to electrostatic capacity is existed or not. When the change is existed, the present... | 04/29/1997 |
| 5532605 | Container inspection apparatus having diameter measuring means and associated method Apparatus for inspecting non-round annular containers includes elongated capacitive sensors, cooperating oscillators, which convert the sensor signal to a voltage corresponding thereto, and an electronic processor which receives the voltage and determines... | 07/02/1996 |
| 5418466 | Moisture and salinity sensor and method of use The invention relates to a moisture and salinity measurement and in particular to a sensor and its method or use which may provide values for the moisture/complex dielectric constant of a variety of mediums. A sensor apparatus is arranged for indicating t... | 05/23/1995 |
| 5397994 | Moisture measurement gauge for particulates including a transmission line forming part of a resonant circuit A particulate moisture measurement gauge of the type using a resonant electric circuit connected to a diode detector and to an AC signal generator having a frequency near the resonant frequency of the resonant circuit and in which the resonant circuit is ... | 03/14/1995 |
| 5386196 | System and method for accurate contactless measurement of the resistivity of a test material A system (10) accurately measures the resistivity of a material (12) via capacitive coupling without contact with the material (12). A transmission electrode (14a) sends signals through the material (12) to a reception electrode (14b). An oscillation mech... | 01/31/1995 |
| 5261274 | Dynamic volumetric instrument gauge This instrument contains a transducer and a sensor that are mounted on the exterior surface of a liquid container or tank. The transducer is tuned by electronic signals to the mechanical resonant frequency of the liquid container or tank. The sensor conve... | 11/16/1993 |
| 5225783 | Dielectric constant detection apparatus for fuel A detection apparatus for detecting a dielectric constant of fuel having an electrode disposed in a fuel passage and applied with an excitation signal, a monolayer-wound coil disposed in the vicinity of the electrode so that fuel is introduced in a space ... | 07/06/1993 |
