Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8080990 | Method and system for ascertaining operating parameters of an electrochemical storage battery A method for ascertaining operating parameters of an electrochemical storage battery, taking into account electrolyte stratification. The method including a) determining a first functional relationship between no-load voltage and state of charge as a value for the w... | 12/20/2011 |
| 7359818 | Sensor apparatus, control system having the same and offset correction method Each acceleration sensor of an air bag system includes a sensing device, a communication device and an adjusting device. The sensing device generates a measurement signal, which indicates a measurement value of acceleration. The communication device performs two-way... | 04/15/2008 |
| 7342393 | Multimeter with filtered measurement mode A multimeter with a filtered measurement mode. By pressing a single button or key, a low-pass filter is switched into the signal path to filter voltage spikes, noise, and switching transients from pulse-width modulated pulses, or lower frequency sinusoidal signals w... | 03/11/2008 |
| 7276893 | Automatic ranging current shunt A range-changing circuit includes an array of graduated impedances in serial relationship, and a voltage sensing and limiting switch across one of said impedances. The switch limits the voltage across said one of the impedances in response to a voltage sensed by the... | 10/02/2007 |
| 7228739 | Precision flexure plate A precision flexure plate includes a flat disk positioned between two capacitor plates and supported by S-shaped beams. Deflection of the disk due to gravitational loads and resulting capacitance change is used to measure the accelerations in the direction perpendic... | 06/12/2007 |
| 7228508 | Fail-safe thermal sensor apparatus and method A fail-safe thermal sensor is implemented in an integrated circuit such as a microprocessor. The fail-safe thermal sensor monitors the temperature of the integrated circuit and halt logic halts operation of the integrated circuit in response to the fail-safe thermal... | 06/05/2007 |
| 7224153 | Apparatus and method to compensate for effects of load capacitance on power regulator A power regulator has an output for regulated power that is connected to supply power to a load. The load can have various electrical characteristics, including requiring a rapid transient response. The transient response amplitude for the power regulator is decreas... | 05/29/2007 |
| 7216064 | Method and apparatus for programmable thermal sensor for an integrated circuit A programmable thermal sensor is implemented in an integrated circuit such as a microprocessor. The programmable thermal sensor monitors the temperature of the integrated circuit, and generates an output to indicate that the temperature of the integrated circuit has... | 05/08/2007 |
| 7209108 | Differential drive circuit and method for generating an a.c. differential drive signal The differential drive circuit generates a differential drive signal having a root mean square value defined by a digital input value. The differential drive signal includes a first differential component and a second differential component. The circuit comprises a ... | 04/24/2007 |
| 7205756 | Unbalanced current detection An unbalanced current detection circuit determines when a multi-phase, normally-balanced load is unbalanced. The detection circuit of the present invention includes a plurality of current-squaring circuits, each squaring a sensed current of one of the phases. A summ... | 04/17/2007 |
| 7187160 | Systems and methods for measuring an RMS voltage An embodiment of a method for measuring an RMS voltage of an arbitrary time-varying waveform includes: a) coupling said arbitrary time-varying waveform to said thermally sensitive device; b) decoupling said arbitrary time-varying waveform from said thermally sensiti... | 03/06/2007 |
| 7177350 | Receiver transparent quiescent mode operation in a DSL transmission system Operation of a digital subscriber line system in a power saving quiescent mode is described. A quiescent mode (Q-mode) is entered into from a steady-state or normal operation mode in which payload data is transmitted when criteria indicates that the transmitter has ... | 02/13/2007 |
| 7124634 | Single plate capacitive acceleration derivative detector A capacitance accelerometer includes a housing, and a plate fixed within the housing. A moveable plate is disposed in substantially parallel relation to the fixed plate and is coupled to the housing along at least an edge. The moveable plate and the fixed plate defi... | 10/24/2006 |
| 7118274 | Method and reference circuit for bias current switching for implementing an integrated temperature sensor A method and a reference circuit for bias current switching are provided for implementing an integrated temperature sensor. A first bias current is generated and constantly applied to a thermal sensing diode. A second bias current is provided to the thermal sensing ... | 10/10/2006 |
| 7104684 | On-chip digital thermometer to sense and measure device temperatures A system and method for sensing the temperature of a device. This includes the establishment of a programmable current from an on-chip source, which in turn is used to produce a temperature dependent voltage from a temperature dependent resistive device. The tempera... | 09/12/2006 |
| 7102329 | Method of measuring the battery level in a mobile telephone Measuring the voltage level of a mobile telephone battery during a charging operation involves disabling the charge temporarily so that the battery rapidly enters discharge mode. The discharge mode voltage is more representative of the true battery charge level, so ... | 09/05/2006 |
| 7098648 | Automatic range finder for electric current testing In an electrical circuit for testing electrical current using a plurality of precision resistors connected in parallel or in series, a range finder for receiving the current to be measured with the voltage drop across the range finder being indicative of a current s... | 08/29/2006 |
| 7084791 | Analog-to-digital converter with correction of offset errors An analog-to-digital converter (200) includes at least one stage (105) for converting an analog input signal into a digital output signal using a parallel quantizer (115) comparing the analog input signal with a plurality of threshold values in ... | 08/01/2006 |
| 7048438 | Solid state temperature measuring device and method A method and system for automated temperature measurement is described. The system includes a programmable logic controller, a temperature measurement diode, an analog-to-digital converter coupled to the diode and the programmable logic controller, a current source ... | 05/23/2006 |
| 7034517 | Multimeter with filtered measurement mode A multimeter with a filtered measurement mode. By pressing a single button or key, a low-pass filter is switched into the signal path to filter voltage spikes, noise, and switching transients from pulse-width modulated pulses, or lower frequency sinusoidal signals w... | 04/25/2006 |
| 7030623 | Electrical short tracing apparatus and method A vehicle testing apparatus and method which facilitates tracing and isolating of short circuits. The tester preferably provides a user-selected constant current level (i.e. 1, 3 and 6 amperes) for driving a vehicle short under test at a constant current level compa... | 04/18/2006 |
| 6998898 | Programmable front end for a receiving channel The present invention discloses a circuit used to couple an input signal to an amplifier circuit. The circuit may contain a diode bridge coupled to an adjustable bias circuit. The current through the bias circuit can be adjusted such that the resistance of the diode... | 02/14/2006 |
| 6975047 | Temperature-based cooling device controller apparatus and method A temperature-based cooling device controller is implemented in an integrated circuit such as a microprocessor. The temperature-based cooling device controller includes a register to store a threshold temperature value, a thermal sensor, and clock adjustment logic t... | 12/13/2005 |
| 6962069 | Multiplexed autonomous sensors and monitoring system and associated methods A sensor monitoring system and associated methods are provide that preferably include a plurality of sensors connected in parallel across a single pair of wires that include resistances of equal value placed in series between each sensor. This allows each sensor to ... | 11/08/2005 |
| 6931749 | Apparatus and methods for measuring the pin diameter of a crankshaft at the place of grinding An apparatus for checking diametral dimensions of crankpins and main journals in the course of grinding is provided. The apparatus includes a head with a Vee-shaped reference device and an axially movable feeler that contacts the surface of the pin to be checked, an... | 08/23/2005 |
| 6927563 | Method and device for current value determination using a current transformer which operates in the core saturation region The invention relates to a method for determining a value of a current using a current transformer that operates in the core saturation region. A peak value detector determines a peak value of one half-cycle of the secondary current. The peak value is stored in a st... | 08/09/2005 |
| 6912911 | Inductively coupled stress/strain sensor An improved method of sensing strain allows measurements of stress, torque, vibration and other loads imposed on a body without physical contact between the body/sensor and the monitoring equipment. An induction loop is at least partially comprised of a magnetostric... | 07/05/2005 |
| 6803754 | Power sensor A power sensor for measuring the average power of modulated or non-modulated high-frequency or microwave signals across a wide dynamic range is disclosed, in which a combination of the following features are used: a) the signal power to be measured is delivered to a... | 10/12/2004 |
| 6548999 | RMS power sensor with 84 dB dynamic range A power meter includes components to measure RMS power over an 84 dB range or greater using the I-V square-law relation of a diode for measurements. The power meter includes multiple diodes along with a power distribution manifold which includes power div... | 04/15/2003 |
| 6469492 | Precision RMS measurement A precision RMS measurement system is provided by extending the effective resolution of a medium-resolution sampling RMS converter. An AC or other time-varying cyclic signal is simultaneously applied to an average-responding AC-to-DC converter and to a hi... | 10/22/2002 |
| 6400131 | Transducer offset compensation A transducer circuit, particularly for monitoring current, compensates for offset in the transducer output by sampling the output periodically at a moment at which the output is known, and storing the sampled value as an offset. The offset is compared wit... | 06/04/2002 |
| 6392402 | High crest factor rms measurement method An rms converter accommodates incoming signals of large crest factor by using an amplifier having a transfer function of non-uniform slope. The amplifier has a lower gain for larger signals. The output of the amplifier is converted to digital voltage valu... | 05/21/2002 |
| 6362616 | Flat response temperature gauge with a single diode An analog gauge includes a coil assembly and a permanent magnet fixedly attached to a rotatable shaft whereby magnetically orthogonal stator coils are disposed about the permanent magnet. The shaft is fixedly attached to a pointer arm that moves over a di... | 03/26/2002 |
| 6331769 | RMS power sensor with 84 dB dynamic range A power meter includes components to measure RMS power over an 84 dB range or greater using the I-V square-law relation of a diode for measurements. The power meter includes multiple diodes along with a power distribution manifold which includes power div... | 12/18/2001 |
| 6291984 | Dual mode diode power sensor with square law and linear operating regions A dual mode power meter provides a first operation mode in the square law operating range of the diode, and a second mode in the square law region as well as the transition and linear operating ranges of the diode. The power meter includes multiple diodes... | 09/18/2001 |
| 6275022 | Passive voltmeter with partially compressed voltage range display and housing with internal metallic coating A passive voltmeter for high voltage transmission lines that accurately measures and displays a wide range of voltages. A d'Arsonval type meter movement is preferably used in conjunction with the voltmeter wherein the scale contains a linear range and a c... | 08/14/2001 |
| 6084394 | Electronic measuring device using a correction factor to compensate for measuring errors An electronic measuring device achieves an improvement in measurement accuracy while at the same time compensating for influences on the measurements, by providing for a correction factor to be stored in a correction element when the measuring device is f... | 07/04/2000 |
| 6064193 | Method and apparatus for measuring the mean square value of an electrical signal A method and apparatus for measuring the RMS value of an electrical signal. An electrical signal is converted to a digital signal. The digital signal is squared and low pass filtered to extract the DC component, the DC component being recognized as the me... | 05/16/2000 |
| 5929626 | System for measuring low current with contact making and breaking device A contact making and breaking device improves the dielectric absorption property of capacitance between one signal wire brought out from a reed switch and an conductive casing. A low current measurement system using the contact making breaking device grea... | 07/27/1999 |
| 5845275 | Current measurement circuit A circuit for the measurement of current in a load includes a non-linear element for transforming a current into a voltage and includes a fuzzy logic processor to process a measurement of the voltage and provide an information element representing the cur... | 12/01/1998 |
