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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7417485 | Differential energy difference integrator Embodiments of the invention are generally directed to a high-speed differential energy difference integrator (EDI) for adaptive equalizers. In an embodiment, the EDI includes two differential full-wave rectifiers providing differential outputs that are cross-couple... | 08/26/2008 |
| 7411198 | Integrator circuitry for single channel radiation detector Input circuitry is provided for a high voltage operated radiation detector to receive pulses from the detector having a rise time in the range of from about one nanosecond to about ten nanoseconds. An integrator circuit, which utilizes current feedback, receives the... | 08/12/2008 |
| 7373574 | Semiconductor testing apparatus and method of testing semiconductor A semiconductor testing apparatus, includes a test signal generating unit that generates a test signal corresponding to a test pattern to output the generated test signal to a device under test (DUT); a comparison signal generating unit that generates a comparison s... | 05/13/2008 |
| 7315200 | Gain control for delta sigma analog-to-digital converter Gain control for delta sigma analog-to-digital converter. A method is disclosed for driving the input of an integrator in a delta-sigma converter having an amplifier with a non-inverting input, an output and a positive input connected to a reference voltage and an i... | 01/01/2008 |
| 7239196 | Filter circuit An R-2R resistor circuit network 12 used in a filter circuit according to the present invention has a path through which each branch current flows to a next integrating capacitor and a path through which each branch current flows to a low impedance analog mid... | 07/03/2007 |
| 7193466 | Operational transconductance amplifier with DC offset elimination and low mismatch Provided is a transconductor capable of eliminating a direct current (DC) offset component of a signal and compensating a mismatch of the signal. The transconductor includes amplifiers of simple circuit structures, and a common mode control DC offset elimination cir... | 03/20/2007 |
| 7180357 | Operational amplifier integrator An integrator circuit comprises an operational amplifier which has a transistor stage (1) with an input terminal (4) and an output terminal(3), a feedback capacitor (2) connected between the input terminal (4) and the output termin... | 02/20/2007 |
| 7176761 | Apparatus and method for receiving inputted signal An input signal receiver of a semiconductor device includes a gain control unit for outputting a gain control signal and a variable gain amplifier for amplifying external clock in response to the gain control signal, wherein the gain control signal determines a gain... | 02/13/2007 |
| 7176733 | High output impedance charge pump for PLL/DLL A charge pump for use in a Phase Locked Loop/Delay Locked Loop minimizes static phase error through the use of an operational amplifier. The operational amplifier also mitigates the effects of low power supply voltage. ... | 02/13/2007 |
| 7173476 | Semiconductor integrated circuit device The drain of a power transistor M1 is connected to the non-inverting input terminal of an operational amplifier A and the drain of a transistor M2 is connected to the inverting input terminal of the operational amplifier A to make substantially equal t... | 02/06/2007 |
| 7157684 | Receiving circuit for free-space optical communication An amplifier circuit amplifies the difference between an output voltage from a current voltage conversion circuit and a bias voltage. The current voltage conversion circuit converts a photocurrent of a photodiode which detect incoming light into a voltage. A gm-amp ... | 01/02/2007 |
| 7138848 | Switched capacitor integrator system A switched capacitor integrator system includes an input cascoded amplifier circuit; a summing junction; an integrating switched capacitor circuit connected to the output of the input cascoded amplifier circuit and to the summing junction; the integrating switched c... | 11/21/2006 |
| 7112990 | Physical layers Improvements to the physical layer are provided, for example a test circuit that does not introduce further skew into critical clock signals. A boundary scan test circuit is also provided used to isolate an integrated circuit for applying test vectors or circuit bra... | 09/26/2006 |
| 7098718 | Tunable current-mode integrator for low-frequency filters A tunable current mode integrator for low-frequency continuous-time filters that requires a reduced amount of area when implemented in an integrated circuit (IC). The integrator includes input and output transistors, and cross-coupled current mirrors, integration ca... | 08/29/2006 |
| 7098730 | Process variation trim/tuning for continuous time filters and Δ-Σ analog to digital converters Continuous time filters and Δ-Σ analog to digital converters and methods for process variation trim/tuning. In feed forward filters, the resistance of feed forward transconductance elements are adjusted to compensate for process variation in the GM/SC v... | 08/29/2006 |
| 7075369 | Variable gain amplifier and a large scale integrated circuit installed thereof applicable to processing signals Variable gain amplifier and a LSI including the variable gain amplifier that expands an output voltage range or control voltage range without increasing power consumption. The variable gain amplifier includes a voltage-current conversion circuit; a variable gain uni... | 07/11/2006 |
| 7076217 | Integrated radio transceiver A radio transceiver comprises a reception path, a transmission path, and a frequency generator with a programmable phase lock loop. The reception path, the transmission path, and the frequency generator share a maximum amount of common circuitry to facilitate implem... | 07/11/2006 |
| 7075464 | Circuit for current measurement and current monitoring A circuit for current measurement and current monitoring in a motor vehicle is provided, with a measuring circuit with a first subtractor circuit, connected to a measuring resistor; an offset circuit, which is connected to the first subtractor circuit in such a way ... | 07/11/2006 |
| 7064528 | Droop amplifier circuit A droop amplifier circuit for a DC-DC regulator including an amplifier, at least one first resistive device, a second resistive device, a third resistive device, and a first capacitive device. Each first resistive device is coupled between an output inductor (phase ... | 06/20/2006 |
| 7061313 | Dual feedback linear amplifier A dual feedback topology imparts stability to a multistage linear amplifier, particularly by improving overall amplifier phase margin at higher signal frequencies. With dual feedback, an inner feedback loop is closed around the first amplifier stage, which stage is ... | 06/13/2006 |
| 7057423 | Current-voltage transforming circuit employing limiter circuit A current-voltage transforming circuit used with a photo detector integrated circuit includes a photo detector to detect a photo signal (laser beam signal) to generate a photo current, an amplifier to amplify the photo current, which corresponds to the photo signal,... | 06/06/2006 |
| 7027792 | Topology for a single ended input dual balanced mixer The mixer circuit is a singled ended input to a double balanced high dynamic range mixer with only two base-emitter junctions across the supply. It provides for the use of bondwires to off chip ground as DC block and DC feed elements. The single ended input and diff... | 04/11/2006 |
| 7023266 | Device and method for nullifying offset voltages in operational amplifiers A device and method for nullifying an offset voltage in an operational amplifier, the operational amplifier having a first input, a second input, an output, and a first resistor connected between the output and the first input, the device comprising: an adjustable r... | 04/04/2006 |
| 7012420 | Measuring device to record values, in particular angles or linear segments A measuring device for the recording of values, in particular angles or linear values, includes a measured value processor and a sensor arrangement, which supplies two phase-shifted signals. Connected in series to the sensor arrangement is an adjustment unit, which ... | 03/14/2006 |
| 7005895 | Driver circuit with frequency-dependent signal feedback Driver circuit for driving a useful signal having: (a) at least one amplifier circuit (3a, 3b) with low output impedance for the signal amplification of the useful signal; (b) a protection impedance (9a, 9b) re... | 02/28/2006 |
| 7002500 | Circuit, apparatus and method for improved current distribution of output drivers enabling improved calibration efficiency and accuracy A circuit, apparatus and method for efficiently and accurately calibrating an output driver current are provided in embodiments of the present invention. In an embodiment of the present invention, a circuit comprises a first digital-to-analog converter (“DAC”) t... | 02/21/2006 |
| 6967515 | Single-ended to differential conversion circuit with duty cycle correction A circuit to provide a differential signal output in response to a single-ended signal input, the circuit allowing for a wide common-mode input signal by providing complementary amplifier structures. ... | 11/22/2005 |
| 6960952 | Configuring and selecting a duty cycle for an output driver The pre-driver of an output driver is calibrated so as to generate output signals having a specified duty cycle. During calibration, a closed loop is utilized to decrease the differences between the common mode voltage of the output signal and a reference voltage. C... | 11/01/2005 |
| 6947548 | Driver circuit for subscriber terminals Driver circuit for at least one subscriber terminal, comprising a first driver (14) for amplifying the power of a direct-voltage signal applied for supplying power to the subscriber terminal, the first driver (14) being supplied by a first supply volta... | 09/20/2005 |
| 6911864 | Circuit, including feedback, for reducing DC-offset and noise produced by an amplifier An amplifier (AMP) is provided with a pair of choppers (CHPi,CHPo) in order to reduce the DC-offset and the noise produced by the amplifier (AMP). To obtain an optimal noise reduction the pair of choppers (CHPi,CHPo) opera... | 06/28/2005 |
| 6903594 | Capacitor-free leaky integrator A leaky integrator is formed from a capacitor-free, non-linear delay resistor having a parasitic capacitance and a capacitor-free amplifier. The amplifier utilizes utilize the parasitic capacitance of the delay resistor to provide differing time constants for the ri... | 06/07/2005 |
| 6836171 | Apparatus for providing continuous integration of an input signal while allowing readout and reset functions An integration circuit includes an input node for receiving an input charge, an integrator having an input terminal coupled to the input node, an output terminal and a first charge storage device coupled between the input and output terminals, an intermediate node c... | 12/28/2004 |
| 6803802 | Switched-capacitor integrator A switched-capacitor integrator eliminates noise caused by the switching of an input signal. For this purpose, the integrator includes a switched-capacitor unit for providing a capacitor with one of a first and a second input voltage in response to clock signals, a ... | 10/12/2004 |
| 6714063 | Current pulse receiving circuit A current pulse receiving circuit suitable for converting a current pulse converted by a photodetector from a light pulse received in optical communications and outputting a logic level voltage pulse with an accurate pulse width is disclosed. When an output signal f... | 03/30/2004 |
| 6710317 | Current to voltage converter with optical gain mechanism The present invention creates a current to voltage conversion system, comprised of an operational amplifier, which obtains a feedback current from an optical detector. The output of the operational amplifier controls the intensity of a light source whose optical ene... | 03/23/2004 |
| 6650177 | System and method for tuning an RC continuous-time filter Methods and systems for tuning an RC continuous-time filter are disclosed. In this regard a representative system for tuning an RC continuous-time filter includes a coarse-tuned resistive element coupled to an input of the filter for varying the cut-off f... | 11/18/2003 |
| 6636098 | Differential integrator and related circuitry An improved differential integrator and related circuitry is disclosed. In one exemplary embodiment, the improved differential integrator comprises an integrating gain boosted cascode circuit for receiving an input signal having a first locking time and f... | 10/21/2003 |
| 6608516 | Adjustable time constant integrator A variable time constant integrator includes an amplifier configured to generate an output signal, a capacitor coupled to provide feedback to the amplifier, and a variable gain element coupled to the output of the amplifier and to the capacitor. The varia... | 08/19/2003 |
| 6573779 | Duty cycle integrator with tracking common mode feedback control Disclosed herein is a process-tracking clock duty cycle integrator. Common mode feedback is used to set a common mode output voltage that varies with the voltage threshold of MOS elements that implement the circuit. In addition, a buffer is used to contro... | 06/03/2003 |
| 6570432 | Integrator topology for continuous integration Provided are integrator circuit topologies that enable continuous integration without reset of the integrator circuit. One such integrator circuit includes a first integrator and a second integrator, each of the two integrators having a non-inverting term... | 05/27/2003 |
