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 |
| 8179183 | Low-consumption switched-capacitor circuit A switched-capacitor circuit including at least one first capacitor and a circuit for switching at least one armature of the first capacitor alternately to one and the other of two terminals at a switching frequency. The circuit further includes a second capacitor c... | 05/15/2012 |
| 8179184 | System and method for charge integration An arrangement for charge integration comprises an input (1) for the provision of a charge-dependent signal and an integrator (30) to integrate a signal present at its input. In addition, a coupling circuit (20) that can adopt at least two opera... | 05/15/2012 |
| 8169251 | Capacitor interface circuit A capacitor interface circuit is provided. A capacitor under test (CUT) is divided into a variable portion and an invariable portion, and the capacitance of an offset capacitor is designed to equal to or close to the fixed capacitance of the CUT. The offset capacito... | 05/01/2012 |
| 8138816 | Digitally controlled high Q factor capacitor A control circuit and a conversion circuit. The control circuit may be configured to generate an analog control signal in response to a digital control signal. The conversion circuit may be configured to generate a capacitance signal in response to the analog contro... | 03/20/2012 |
| 8134401 | Systems and methods of low offset switched capacitor comparators The disclosed systems and methods of low offset switched capacitor comparator reduce settling errors. The system operates in two major phases. During a first phase, the input voltage is sampled on the input capacitors and a differential amplifier is configured in a ... | 03/13/2012 |
| 8130020 | Switched-capacitor decimator A switched-capacitor decimator that can attenuate undesired signal components at odd harmonics of an output sample rate is described. In one design, the switched-capacitor decimator includes at least one sampling capacitor and multiple switches. For each sampling ca... | 03/06/2012 |
| 8130021 | Gain control with multiple integrators A system according to one embodiment includes an analog input for receiving an analog signal; a variable gain amplifier coupled to the analog input; a first integrator coupled to the variable gain amplifier for controlling the gain of the analog signal; a second int... | 03/06/2012 |
| 8125262 | Low power and low noise switched capacitor integrator with flexible input common mode range An integrator is described that may include a level-shifting capacitor, a feedback capacitor, a pre-amplifier stage and a multi-path amplifier module. The integrator may have inputs for connected an input signal source to the level-shifting capacitor. The level-shif... | 02/28/2012 |
| 8067972 | Filter circuit and communication device A filter circuit includes a voltage-current conversion portion that converts a voltage signal input to an input terminal to a current signal, a first capacitor unit formed by a plurality of capacitors, and in which a current signal output from the voltage-current co... | 11/29/2011 |
| 8044701 | Digitally tunable capacitor The disclosed device can contain a pair of switchable capacitors, one of which has the larger capacitance of the pair. Each of the switchable capacitors can include a capacitor in series with a switch. Both switchable capacitors can be connected in a parallel circui... | 10/25/2011 |
| 8035439 | Multi-channel integrator A multi-channel integrator is provided. The multi-channel integrator includes an integrator and a plurality of channels. Each of the channels includes an input selector and a unit-gain amplifier. The input selector has a common terminal, a first selecting terminal a... | 10/11/2011 |
| 8013657 | Temperature compensated integrator A representative integrator includes an amplifier having an input and an output; a feedback loop coupled between the input and the output of the amplifier, the feedback loop comprising a compensated resistor circuit having a resistance value selected for reducing a ... | 09/06/2011 |
| 7982526 | Active-time dependent bias current generation for switched-capacitor circuits Exemplary embodiments of the disclosure include adaptively generating a bias current for a switched-capacitor circuit. An exemplary apparatus includes a first phase signal and a second phase signal operating at a sampling rate. An asserted time of the first phase si... | 07/19/2011 |
| 7965124 | Switched-capacitor circuit relating to summing and integration algorithms A switched-capacitor (SC) circuit relating to summing and integration algorithms is provided. The SC circuit submitted by the present invention benefits from better closed-loop bandwidth performance because of combining positive and negative feedback loops of a high... | 06/21/2011 |
| 7961029 | Configurable switched capacitor block A configurable switched capacitor block includes a switched-capacitor (SC) sampling circuit, a fully differential amplifier, an SC feedback circuit, and a comparator. The SC sampling circuit is coupled to receive an input signal and to selectively generate a sampled... | 06/14/2011 |
| 7911256 | Dual integrator circuit for analog front end (AFE) A circuit includes a generating circuit that generates a current signal in response to an input signal, a first one of a plurality of integrators that generates a voltage signal from the current signal, a comparator that is responsive to the voltage signal to compar... | 03/22/2011 |
| 7907000 | Circuit and method for integrating a voltage signal A circuit arrangement having a signal input configured to be supplied with a voltage signal; a first operational transconductance amplifier (OTA) having a voltage input that may be coupled to the signal input; at least one second OTA having a voltage input that may ... | 03/15/2011 |
| 7884662 | Multi-channel integrator A multi-channel integrator includes a first switch, a second switch, and a plurality of integration units. First terminals of the first and second switches receive a first reference voltage. Each of the integration units includes an operational amplifier (OP-AMP), a... | 02/08/2011 |
| 7825715 | Digitally tunable capacitor The disclosed device can contain a pair of switchable capacitors, one of which has the larger capacitance of the pair. Each of the switchable capacitors can include a capacitor in series with a switch. Both switchable capacitors can be connected in a parallel circui... | 11/02/2010 |
| 7800427 | Switched capacitor circuit with inverting amplifier and offset unit A switched capacitor circuit includes an amplifier, a charging unit, an offset unit, and an integrating unit. The charging unit is coupled between an input node and a first node, and is for accumulating charge corresponding to an input signal during a sampling mode.... | 09/21/2010 |
| 7795947 | Buffer device for switched capacitance circuit An integrated buffer device for a switched capacitance circuit having a buffer with an output for an output voltage dependent upon an input voltage that can be supplied by a source to the buffer device; a capacitive switching component that can be switched between a... | 09/14/2010 |
| 7724063 | Integrator-based common-mode stabilization technique for pseudo-differential switched-capacitor circuits A pseudo-differential switched-capacitor circuit using integrator-based common-mode stabilization technique is disclosed. A pseudo-differential switched-capacitor circuit with the differential floating sampling (DFS) technique has a common-mode gain value of one (1)... | 05/25/2010 |
| 7710184 | ISI reduction technique The invention refers to signal processing circuits, more particularly, to switch capacitor circuits, and methods for reducing inter-symbol-interference. A switch capacitor circuit with reduced Inter-Symbol-Interference effect is provided, comprising: a voltage sourc... | 05/04/2010 |
| 7692471 | Switched-capacitor circuit having two feedback capacitors A switched-capacitor circuit performing two-phase operation with a sampling phase and an amplification phase comprising: an inverter having a common source type input transistor and a load transistor; a first capacitor whose first terminal is connected to a gate of ... | 04/06/2010 |
| 7679422 | Configurable switched capacitor block A configurable switched capacitor block includes a switched-capacitor (SC) sampling circuit, a fully differential amplifier, an SC feedback circuit, and a comparator. The SC sampling circuit is coupled to receive an input signal and to selectively generate a sampled... | 03/16/2010 |
| 7663424 | Circuit and method for reducing charge injection and clock feed-through in switched capacitor circuits A low charge injection, low clock feed-through switch (1) has an input signal (Vin) applied both to the sources of first (S1) and second (2) switching transistors. A first clock signal (P) having pulses of a first duration ts is applied to a gat... | 02/16/2010 |
| 7633327 | Circuitry and method for integrating continuous current and discrete charge A signal integrator and method for integrating a continuous current and a discrete charge in which the discrete charge is provided for integration during multiple overlapping time intervals. ... | 12/15/2009 |
| 7622980 | Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof A switched capacitor circuit includes a positive side capacitor coupled to a first positive side node; a first positive side switch element for selectively coupling the first positive side node to a second node according to a first control signal; and a precharge ci... | 11/24/2009 |
| 7595678 | Switched-capacitor circuit A low-power switched-capacitor circuit is disclosed. The low-power switched-capacitor circuit includes a p-channel switched-capacitor integrator and an n-channel switched-capacitor integrator. The p-channel switched-capacitor integrator includes a first set of input... | 09/29/2009 |
| 7583127 | High Q linear controlled variable capacitor using translinear amplifier A voltage controlled variable capacitor, formed of a larger number of fixed capacitor segments and a corresponding number of switching elements, uses translinear amplifiers to control each switching element. Each translinear amplifier linearly switches from the full... | 09/01/2009 |
| 7477087 | Switch-capacitor techniques for level-shifting In one embodiment, a circuit comprises at least first and second circuit stages, at least one level shifting circuit, and a control circuit. The first circuit stage is configured and arranged to produce a reference voltage at the at least one first output during eac... | 01/13/2009 |
| 7439777 | Double feedback rotary traveling wave oscillator driven sampler circuits A sampling circuit and method are disclosed. The sampling circuit includes a buffer, a holding capacitor, a set of switches, and at least two voltage references. The buffer drives buffered analog input signal via a first switch to a first node of holding capacitor. ... | 10/21/2008 |
| 7423458 | Multiple sampling sample and hold architectures A sample and hold circuit architecture samples using two capacitors that are cyclically switched between charge and discharge modes. The sample and hold circuit includes a buffer to receive an input signal to be sampled, a first sampling capacitor, a second sampling... | 09/09/2008 |
| 7411444 | Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing A technique of improving antialiasing and adjacent channel interference filtering uses cascaded passive IIR filter stages combined with direct sampling and mixing. The methodology and related architecture allows for increased passive IIR filtering without necessitat... | 08/12/2008 |
| 7394309 | Balanced offset compensation circuit Balanced offset compensation is provided for a differential amplifier circuit. Two sets of three switches are employed between respective inputs and outputs of the differential amplifier to shunt the outputs to the input terminals during auto-zeroing phase. By openi... | 07/01/2008 |
| 7365588 | Automatic time constant adjustment circuit An automatic time constant adjustment circuit has an error detection circuit and a variable time constant circuit. The error detection circuit detects, based on the resistance of an error reference resistor and the capacitance of an error reference capacitor provide... | 04/29/2008 |
| 7365597 | Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy A switched capacitor CMOS amplifier uses a first stage non-inverting CMOS amplifier driving a second stage inverting CMOS amplifier. The first stage amplifier is provided with positive feedback to substantially increase the gain of the first stage amplifier. In the ... | 04/29/2008 |
| 7353011 | Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications A method and apparatus for synthesizing high-frequency signals, such as wireless communication signals, includes a phase-locked loop (PLL) frequency synthesizer with a variable capacitance voltage controlled oscillator (VCO) that has a discretely variable capacitanc... | 04/01/2008 |
| 7342434 | Semiconductor device including capacitor having decoupling capacity A capacitor has a MOS gate structure in which a gate insulating film is held between a gate terminal and a ground terminal as a dielectric. A switch unit is connected between the gate terminal and a power supply. The ground terminal is connected to a ground. A switc... | 03/11/2008 |
| 7339415 | SC circuit arrangement The invention relates to a linear SC circuit arrangement using integrated deep submicron technology, having at least one switched capacitor circuit which is connected to an input for inputting an input signal and which has at least one switchable capacitor and at le... | 03/04/2008 |
