Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7443176 | Test mode and test method for a temperature tamper detection circuit An integrated circuit temperature sensor includes a sensor to determine whether the integrated circuit is currently exposed to a relatively low or high temperature. A measured voltage across the base-emitter of a bipolar transistor is selected if the sensor indicate... | 10/28/2008 |
| 7411402 | Technique for reducing a parasitic DC bias voltage on a sensor A technique for reducing a parasitic DC bias voltage on a sensor monitors the parasitic DC bias voltage on a first element of the sensor. A controlled bias voltage that is applied between the first element of the sensor and a second element of the sensor is then mod... | 08/12/2008 |
| 7392444 | Non-volatile memory evaluating method and non-volatile memory The present method generates a greater number of hot holes than those generated by normal write/erase operations, thereby making it possible to evaluate an operation of a non-volatile memory with respect to hot holes. The present method performs a write operation to... | 06/24/2008 |
| 7358746 | Method and measuring appliance for locating enclosed objects In a method for locating objects enclosed in a medium, a detection signal is generated by at least one capacitive sensor. The detection signal penetrates the medium that is to be analyzed in such a way that information is obtained about the objects that are enclosed... | 04/15/2008 |
| 7304484 | Method and device for the temperature compensation of a measuring bridge A method for the temperature compensation of a resistance measuring bridge, such as in particular a Wheatstone bridge, is characterized in that a capacitor positioned between the input circuit and a resistance switching circuit of the Wheatstone bridge is successive... | 12/04/2007 |
| 7193827 | Single-sensor microcontroller-based approach for ground fault circuit interrupters A microcontroller-based temperature compensated circuit for ground-fault circuit interrupter to meet the requirements of UL 943 using a single sensor to detect both ground-fault and grounded-neutral fault conditions in both full-wave and half-wave AC power supplies ... | 03/20/2007 |
| 7190178 | Pade′ Approximant based compensation for integrated sensor modules and the like Methods and systems using Pade' Approximant expansion ratios provide mappings between nonlinear sensors and a more linearized output domain. In one embodiment (a) a variable gain amplifier receives a supplied input signal, the amplifier has at least a first input te... | 03/13/2007 |
| 7170303 | Fuel sensor A sensor (20) includes a single capacitor (30) that operates in two different modes to obtain capacitance and conductance information when a mixture flows between the electrodes (32, 34) of the capacitor. Two different oscillators (180, 182 | 01/30/2007 |
| 7170275 | Method and apparatus for determining the temperature of a junction using voltage responses of the junction and a correction factor Method and system for periodically measuring the junction temperature of a semiconductor device. The junction is excited by at least two sequential predetermined currents of different magnitudes. The voltage response of the junction to the at least two currents is m... | 01/30/2007 |
| 7161360 | Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus An electrostatic capacitance sensor, includes an electrostatic capacitance detector, an operational amplifier in which a feedback impedance circuit is connected between an output terminal and an inverse input terminal of the operational amplifier, a signal line conn... | 01/09/2007 |
| 7129715 | Oil deterioration sensor An engine oil deterioration detection apparatus includes a sensing capacitor CS formed of paired electrodes dipped into engine oil whose deterioration is to be detected, the engine oil deterioration detection apparatus detecting deterioration of the engine oil on th... | 10/31/2006 |
| 6842017 | Fuel cell mixture sensor A sensor (40) includes a single capacitor (42) that operates in two different modes to obtain capacitance and conductance information when a mixture flows between the electrodes (44, 46) of the capacitor. The inventive sensor is particularly wel... | 01/11/2005 |
| 6798219 | Electronic device for monitoring the temperature of a medium to be monitored and method for implementing the same Electronic device for monitoring the temperature of a medium ensures that the temperature has not reached pre-established index limit values. The device includes contacts for closing an electric charge flow circuit when the temperature reaches an index limit value, ... | 09/28/2004 |
| 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 |
| 6724196 | Temperature controlled high voltage regulator A temperature controlled high voltage regulator for automatically adjusting the high voltage applied to a radiation detector is described. The regulator is a solid state device that is independent of the attached radiation detector, enabling the regulator to be used... | 04/20/2004 |
| 6580263 | Bit rate discrimination device with temperature compensation function Disclosed is a bit rate discrimination device that accurately discriminates a bit rate regardless of variations in the operating temperature. A photoelectric converter converts an input optical signal into an electric signal, and a bit rate detector detec... | 06/17/2003 |
| 6525550 | Method and apparatus for temperature control A two-stage circuit configured to control the temperature of a device, having: a first stage connected to the device for controlling the temperature of the device; and a second stage having a temperature sensor and a heat source associated with the first ... | 02/25/2003 |
| 6501287 | Apparatus and method for measuring thickness Apparatus are provided for measuring coating thickness. The apparatus include first and second inductors, which may be coils, and measuring the impedance of conductors by passing alternating current through the conductors. The conductors are arranged so t... | 12/31/2002 |
| 6496019 | Temperature compensated pressure sensor network A temperature compensated pressure sensor network for providing an output sensing signal representative of an applied pressure includes a reference oscillator circuit for providing a reference signal having an associated reference frequency. The oscillato... | 12/17/2002 |
| 6469523 | Temperature compensation in the context of capacitive distance measurement with the aid of an LC oscillator The invention relates to a method for temperature compensation of an LC oscillator (8) having a machining head (4) and serving for the capacitive measurement of a distance between the machining head (4) and a workpiece (7), in which an output signal (S) o... | 10/22/2002 |
| 6456096 | Monolithically compatible impedance measurement A monolithic sensor includes a reference channel and at least one sensing channel. Each sensing channel has an oscillator and a counter driven by the oscillator. The reference channel and the at least one sensing channel being formed integrally with a sub... | 09/24/2002 |
| 6373236 | Temperature compensated power detector A temperature compensated power detector generally comprises a detector circuit portion, which includes a detector diode, and a temperature compensation circuit portion, which includes a temperature compensation diode, that is operably connected to the de... | 04/16/2002 |
| 5747991 | Capacitance type acceleration sensor The capacitance type acceleration sensor disclosed is one in which a variation in a distance between first and second electrodes caused by acceleration is measured as an electrostatic capacity variation. The acceleration sensor includes a fixed electrode,... | 05/05/1998 |
| 5633594 | Differential type capacitive sensor system In a capacitive sensor system, first and second driving signals opposite in phase are applied to a sensor capacitor and a reference capacitor, respectively, which are both connected to a switched capacitor circuit. An output signal of the switched capacit... | 05/27/1997 |
| 5488311 | Apparatus and method for measuring alcohol concentration of liquid blended with alcohol applicable to an automotive vehicle mounted internal combustion engine The electrodes of an electrostatic capacitor which is used to determine the alcohol concentration in a mixture of gasoline and alcohol, are connected with a frequency oscillator of the LC type which applies a signal having a frequency which is equal to or... | 01/30/1996 |
| 5483172 | Radio frequency measuring apparatus A device is provided for measuring dielectric constant and conductance of a material such as massecuite, the device including a pair of electrodes which are switchably connected to a tank circuit which includes a variable frequency oscillator operating at... | 01/09/1996 |
| 5444599 | Capacitor having high stability with temperature A capacitor having high stability with temperature comprising a cylindrical metal body, a cylindrical high tension electrode coaxial with the body and placed inside it, and at least two low tension electrodes constrained to remain in contact against the i... | 08/22/1995 |
| 5296819 | Polymer capacitative moisture sensitive device comprising heating means A moisture sensitive device includes a polymer capacitive moisture sensitive element and a heater. The polymer capacitive moisture sensitive element is formed by sequentially stacking a lower electrode, a moisture sensitive film made of an organic polymer... | 03/22/1994 |
| 5261270 | Fuel composition sensor diagnostic apparatus A motor vehicle fuel composition sensor is responsive to a dielectric constant of a mixture of two fuels such as gasoline and methanol to indicate the relative concentrations of each. The sensor is fuel temperature dependent at high concentrations of meth... | 11/16/1993 |
| 5134381 | Method of analyzing the alcohol content and/or the calorific value of fuels A method of determining the alcohol content and/or the calorific vaue of fuels by containing the fuel and measuring the electrically measurable values in a measurement cell to determine the relative permittivity of the mixture as the characteristic of the... | 07/28/1992 |
| 5095278 | Planar interdigitated dielectric sensor A planar interdigitated dielectric sensor useful for measuring the surface properties of a material is disclosed. The sensor is formed on an insulating substrate. Attached to the surface of the substrate is an excitation electrode and a response electrode... | 03/10/1992 |
| 5045798 | Planar interdigitated dielectric sensor A planar interdigitated dielectric sensor useful for measuring the surface properties of a material is disclosed. The sensor is formed on an insulating substrate. Attached to the surface of the substrate is an excitation and response electrode disposed in... | 09/03/1991 |
| 4947131 | Capacitance bar sensor A capacitance sensor for measuring thickness variations in film materials, having a sensor mounted in a housing plate slot, with an air gap between the sensor and the housing plate, the sensor being affixed to an insulator support plate, the insulator sup... | 08/07/1990 |
| 4789822 | Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor Two capacitors (C1, C2) having an identical structure and equal capacitance are used in series connection for the detection of phase difference so that ambient temperature affects both the capacitors in a similar manner to compensate for the variation in ... | 12/06/1988 |
| 4775830 | Method of and arrangement for measuring low capacitances Method of and arrangement for measuring low capacitances include generating a periodic frequency signal having time periods of duration dependent on capacitance, and alternately connecting an unknown capacitance to be measured and a known reference capaci... | 10/04/1988 |
| 4763063 | Compact digital pressure sensor circuitry A conditioning circuit for use with a pressure transducer is disclosed which provides a digitally readable electronic output signal indicative of capacitance sensed by the pressure transducer. The circuitry of the present invention utilizes an R-C charge/... | 08/09/1988 |
| 4621228 | Electric moisture meter A voltage signal associated with the moisture content of a sample in grain or sand form is converted into a digital signal value by an analog-to-digital converter. A programmable read-only memory capable of erasure and field rewriting has stored therein c... | 11/04/1986 |
| 4563634 | Measuring and linearizing circuit device for a capacitive primary element A humidity sensor operates with a capacitive sensor element (CS) which is arranged in one branch of a free-running multivibrator (MV), whereas a reference capacitor (Cref) is arranged in the other branch of said multivibrator. Both o... | 01/07/1986 |
| 4558595 | Capacitance monitoring bridge circuit for an enthalpy responsive device An enthalpy control circuit has a humidity responsive capacitive element in one leg of a bridge circuit and a temperature responsive resistance element in another leg. The circuit is powered by a pulsating DC voltage of 1 kilohertz frequency for providing... | 12/17/1985 |
| 4510437 | Apparatus and method for measuring the permittivity of a substance A novel apparatus and method for time-domain tracking of high-speed chemical reactions. The apparatus of the present invention includes an RF heating system for heating a reaction zone and a probe system in the reaction zone for measuring the complex perm... | 04/09/1985 |
