Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7619422 | Centralized HIRF detection system The present invention is a detection device, system and method for detecting an external electromagnetic event such as lightning or a high intensity radiated field. In an exemplary embodiment, the detection device includes a free space capacitive sensor and a protec... | 11/17/2009 |
| 7492168 | Systems and methods for resistivity measurement Disclosed is a measurement system for measuring subsurface resistivity. The surfaces of interest are, for example, engineered surfaces such as roads and dams, and non-engineered surfaces such as greenfield sites. The measurement system may also be used on biological... | 02/17/2009 |
| 7389191 | Apparatus and method for S-parameter calculation, and program and recording medium thereof According to the present invention an S-parameter file input section inputs S-parameters for each device constituting a system subject to a transmission analysis, a port position correspondence conversion section converts the input S-parameters so as to correspond t... | 06/17/2008 |
| 7267002 | Capacitance type physical quantity detector A capacitance type physical quantity detector includes a sensor unit of which the capacitance varies depending upon a change in the physical quantity and a C-V converter unit which converts a change in the capacitance of said sensor unit into a voltage. The C-V conv... | 09/11/2007 |
| 7250773 | Circuit for detecting difference in capacitance A circuit for detecting a difference in capacitance between a first capacitor and a second capacitor provided in a sensor includes an oscillator configured to generate an oscillating signal, a phase comparator coupled to the oscillator to output a signal responsive ... | 07/31/2007 |
| 7248994 | Digital method and apparatus for sensing position with a linear variable differential transformer An apparatus and method for determining a linear position from a linear variable differential transformer (LVDT) including a primary coil driven by an excitation signal, and two secondary coils coupled to two correlated signals. The method includes converting the co... | 07/24/2007 |
| 7205916 | Digital method and apparatus for resolving shaft position An apparatus and method for determining an angular position of a shaft are disclosed, which comprise resolving an excitation signal at an excitation frequency into at least two orthogonal signals, converting the orthogonal signals to a digital estimate, for each of ... | 04/17/2007 |
| 7206719 | Diagnostic method for predicting maintenance requirements in rotating equipment This invention is a method to determine the condition of rotating equipment, namely drive spindles, to enable the timely maintenance or replacement of same. The method uses an electrical signal from a vibration sensor mounted on part of the drive train to measure th... | 04/17/2007 |
| 7199594 | Biosensor apparatus and method with sample type and volume detection A biosensor apparatus and method with sample type and cell volume detection. The apparatus includes a sine wave generator to apply an AC signal to a biosensor cell containing a sample, a current-to-voltage converter, a phase shifter, a square wave generator, a synch... | 04/03/2007 |
| 7167093 | Method of steering capacitor fields for use in capacitive sensing security systems The present invention provides a capacitive sensing apparatus having utility in object detection security applications whereby the object detection field generated by the apparatus is made steerable. The apparatus includes a power source having a ground connection i... | 01/23/2007 |
| 7151382 | Apparatus and method for radio frequency power and standing wave ratio measurement A magnitude of radio frequency voltage and current, input into a load from a radio frequency power source, are measured at a single point along a transmission line. Phase difference between voltage and current is also measured. These measurements are used to compute... | 12/19/2006 |
| 7119555 | Circuit for detecting difference in capacitance A circuit for detecting a difference in capacitance between a first capacitor and a second capacitor provided in a sensor includes an oscillator configured to generate an oscillating signal, a phase comparator coupled to the oscillator to output a signal responsive ... | 10/10/2006 |
| 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 |
| 7068039 | Test structure embedded in a shipping and handling cover for integrated circuit sockets and method for testing integrated circuit sockets and circuit assemblies utilizing same A device for enabling testing of electrical paths through a circuit assembly is presented. The device may include a test facilitating shipping and handling cover for a socket of the circuit assembly. The test facilitating shipping and handling cover may have a condu... | 06/27/2006 |
| 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 |
| 7023222 | Apparatus and method for processing capacitor sensor signals using digital frequency shift measurement techniques with floating reference The present invention provides a capacitive sensing technique that is advantageously useful for security applications wherein digital technology is used to measure frequency shifts caused by a conductive or grounded object moving within a capacitive sensing field. T... | 04/04/2006 |
| 7015702 | Method for evaluating a measuring signal and corresponding circuit arrangement In order to measure the current in a shunt, the voltage drop in the resistor of said shunt is evaluated as a measurement of the current. Normally, galvanic separation of the measuring device is required for high-potential shunts. A digital measuring signal provides ... | 03/21/2006 |
| 7002335 | Method for measuring a three-port device using a two-port vector network analyzer A method for vector characterization of a frequency translation device (“FTD”) includes coupling a first signal from a first signal source through a reference directional coupler and through a test directional coupler of an electronic test set to a first port of... | 02/21/2006 |
| 6995566 | Circuit pattern inspection apparatus, circuit pattern inspection method, and recording medium Disclosed is a circuit-pattern inspection apparatus for inspecting a comb-shaped pattern 20 having an edge region formed as a plurality of finger pattern segments and a base region formed as an integral connection pattern segment, and a plurality of discrete ... | 02/07/2006 |
| 6989680 | Detection of coolant contamination in lubricating fluids An impedance spectroscopy technique and system for detecting in real time engine coolant contamination in lubricant. A probe is disposed in the lubricant and the probe excited with an a.c. voltage frequency sweep over a selected frequency range. The current and curr... | 01/24/2006 |
| 6989678 | Determining the dielectric properties of wood A wood drying installation for a wood drying kiln including a pair of electrodes adapted to be inserted into a wood stack contained in the kiln, a resistance connected in a series circuit with the electrodes, an AC voltage source connected to apply an AC voltage acr... | 01/24/2006 |
| 6959631 | Power tools Power tool 1 may include table 5 on which work W is positioned. A portion of a circular blade 3 protrudes above table 5. Circular blade 3 may be driven by a motor. The motor may be controlled by a control device 90. Work W i... | 11/01/2005 |
| 6937032 | Method, apparatus, and article of manufacture for characterizing a device and predicting electrical behavior of the device in a circuit A method, apparatus and article of manufacture to aid in the characterization of a device establishes a device S-parameter matrix (SD) to represent electrical behavior of the device, an adapter T-parameter matrix (Ta) to represent all possible ... | 08/30/2005 |
| 6914439 | Capacitive test point voltage and phasing detector Method and apparatus for accurately determining the presence of voltage at capacitive test points and for determining the phase angle relationship between two capacitive points. The detection of the presence of the voltage at the capacitive test points is independen... | 07/05/2005 |
| 6906530 | Apparatus and method to detect moisture A method and apparatus for detecting moisture. An oscillatory electrical signal S1 generated by an oscillator is propagated into a body that includes an electrically insulative material. A signal due to S1 emerges from the body as an oscillator... | 06/14/2005 |
| 6870373 | Circuit configuration and method for assessing capacitances in matrices A circuit configuration for assessing capacitances in a matrix, which has a number of rows with at least one capacitance in at least one dimension, includes a test arm connected to first electrodes of each of the capacitances to be assessed and by which two differen... | 03/22/2005 |
| 6703847 | Determining the dielectric properties of wood A wood drying installation for a wood drying kiln including a pair of electrodes adapted to be inserted into a wood stack contained in the kiln, a resistance connected in a series circuit with the electrodes, an AC voltage source connected to apply an AC ... | 03/09/2004 |
| 6642723 | Apparatus monitoring the deposition of a liquid-to-pasty medium on a substrate An apparatus for monitoring deposition of a liquid-to-pasty medium on a substrate has a sensor fitted with two electrodes and an electronic circuit connected to the sensor for generating a signal which is characteristic of the substrate and the medium. Th... | 11/04/2003 |
| 6639414 | Circuit for measuring changes in capacitor gap using a switched capacitor technique Disclosed is a single-stage, switched capacitor circuit for measuring changes in a variable by measuring changes in a capacitor gap. The change in the capacitor gap corresponds directly to a change in a measurable variable, such as pressure and accelerati... | 10/28/2003 |
| 6566893 | Method and arrangement for monitoring surfaces for the presence of dew A method and device for detecting condensation on surfaces of structural components. A evaluation signal is generated before dewing while the structural component is cooling. A detectable film is produced on a measuring arrangement a few degrees Kelvin be... | 05/20/2003 |
| 6373235 | Apparatus and method for determining the position and motion of an object and for precise measurement of phase-related values In one embodiment, a high-resolution measurement apparatus and method determine the position and motion of an object such as a human hand relative to a sensor array. Capacitance transferred to the array by the object within a sensor field produces minute ... | 04/16/2002 |
| 6331780 | Static capacitance-to-voltage converter and converting method A static capacitance-to-voltage converter is capable of converting a static capacitance into a voltage without suffering from a stray capacitance formed between a signal and a shielding line or a stray capacitance formed between an exposed portion of the ... | 12/18/2001 |
| 6316949 | Apparatus and method for testing electric conductivity of circuit path ways on circuit board A testing apparatus and method for testing conductivity of electric pathways formed on a substrate, each pathway including a first wiring and a second wiring partially overlapping each other. The apparatus includes a first electric signal applier for appl... | 11/13/2001 |
| 6304091 | Absolute position sensing by phase shift detection using a variable capacitor A low-cost, high-resolution capacitive position sensor is provided using a variable capacitor. A vane moves parallel to a stator, where a dielectric is interposed between vane and stator, such that the vane overlaps at least a portion of the stator, creat... | 10/16/2001 |
| 6292001 | Capacitance-type displacement measuring apparatus A displacement sensor comprises a first scale (11) and a second scale (12) that are arranged opposing to each other and relatively movable in the measurement axis direction. The first scale (11) includes a transmitting electrode array (13) and a receiving... | 09/18/2001 |
| 6278282 | Method and system for determining oil quality A method for determining quality of lubricating oil using electrodes in contact with the oil includes applying a potential having a first amplitude to the electrodes, wherein the first amplitude is sufficiently low such that substantially no solution curr... | 08/21/2001 |
| 6133743 | Method and device for determining the respective geometrical position of a body by capactive sensing For determining the respective geometrical position, the displacement or angle of a body by capacitive sensing, a supply voltage applied to a voltage-distribution element is switched, and/or phase-shifted voltages are applied, in such a way that at least ... | 10/17/2000 |
| 6037784 | Resistivity measuring apparatus having transmitter and receiver with power level signals Material resistivity measuring apparatus includes a transmitter for transmitting a measurement frequency current through the material to a receiver spaced from the transmitter. The transmitter includes a power amplifier wherein the measurement frequency c... | 03/14/2000 |
| 6031380 | Method and device for determining the respective geometrical position of a body by capacitive sensing For determining the respective geometrical position, the displacement or angle of a body by capacitive sensing, a supply voltage applied to a voltage-distribution element is switched, and/or phase-shifted voltages are applied, in such a way that at least ... | 02/29/2000 |
| 5736865 | Capacitive rotary position encoder A circuit board has an arcuate array of conductor segments each subject to a digital waveform differing in phase for the various segments, and a concentric pickup conductor. A rotary encoder disk has a conductive pattern which sums and couples the wavefor... | 04/07/1998 |
