Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8184032 | High-speed analog-digital converter having a signal folding structure improved by reducing the number of elementary cells The invention relates to high-resolution analog-digital converters using so-called folding differential amplifier structures composed of differential circuits (crossed differential pairs) and of loads (cascode transistors). The folding structure according to the inv... | 05/22/2012 |
| 8130131 | Interpolating A/D converter Provided is an interpolating A/D converter including a reference voltage generation circuit, an analog signal input circuit, a preamplifier group including a plurality of preamplifiers, and an interpolation circuit including a plurality of resistors. Reference volta... | 03/06/2012 |
| 8130132 | Differential chopper comparator and A/D converter including the same A differential chopper comparator compares an input signal voltage and a first voltage, and includes a first capacitor, a second capacitor, and a differential amplification unit including a differential amplification circuit. Either the input signal voltage or the f... | 03/06/2012 |
| 8130130 | Comparison circuit and analog-to-digital conversion device A comparison circuit includes: an input circuit includes a first transistor for receiving a first signal, and a second transistor for receiving a second signal; a first current route of which the electric current is controlled by the first transistor; a second curre... | 03/06/2012 |
| 8089388 | Folding analog-to-digital converter A folding analog-to-digital converter (ADC) is disclosed. The folding ADC includes a reference voltage generating unit generating a plurality of reference voltages, a low power analog pre-processing unit including a plurality of folders, each of which compares a vol... | 01/03/2012 |
| 8085180 | Apparatuses and methods for multiple-output comparators and analog-to-digital converters An analog-to-digital converter with comparators with multiple, inter-coupled, outputs is provided, which may be also called a Benorion Analog-to-Digital Converter (ADC) or a Benorion Converter. The analog-to-digital converter includes a plurality of comparators oper... | 12/27/2011 |
| 8063811 | Systems, circuits, and methods for pipelined folding and interpolating ADC architecture A method and apparatus for performing pipelined capacitive folding and interpolation analog-to-digital conversion. In one embodiment, the apparatus comprises a multistage pipelined analog-to-digital converter having: a distributed sample/hold and preamp, folding and... | 11/22/2011 |
| 8049653 | Amplifier and analog/digital converter An amplifier that is operated between first and second power supplies includes a transistor pair having control terminals to which input signals are input, a load resistor pair that is provided between each transistor of the transistor pair and the first power suppl... | 11/01/2011 |
| 8004445 | Digital calibration type analog-to-digital converter and wireless receiver circuit and wireless transceiver circuit using the same In a wireless chip receiving the multi-rate data according to the related art, power consumption and a circuit area of an analog-to-digital converter become large. In a digital calibration type analog-to-digital converter including both a reference analog-to-digital... | 08/23/2011 |
| 7994960 | Data converter with redundancy for error correction in polarity decision Systems, methods and computer program products for correcting polarity decision associated with a polarity comparator in an analog-to-digital converter are described. The polarity comparator may perform polarity decision to determine whether an analog signal is grea... | 08/09/2011 |
| 7956790 | Systems and methods for synchronous, retimed analog to digital conversion Various embodiments of the present invention provide systems and methods for analog to digital conversion. For example, a retimed analog to digital converter is disclosed that includes a first set of sub-level interleaves and a second set of sub-level interleaves. T... | 06/07/2011 |
| 7907076 | Differential amplifier circuit amplifying differential signals with selectively switching between differential signals and AD converter apparatus A differential amplifier circuit is provided with an operational amplifier and a modulator. The operational amplifier includes a feedback capacitance, and amplifies an analog input signal and outputs an amplified analog output signal. The modulator is connected to a... | 03/15/2011 |
| 7893858 | EDC architecture A method and apparatus for performing pipelined capacitive folding and interpolation analog-to-digital conversion. In one embodiment, the apparatus comprises a multistage pipelined analog-to-digital converter having: a distributed sample/hold and preamp, folding and... | 02/22/2011 |
| 7880657 | Interpolation accuracy improvement in motion encoder systems, devices and methods Disclosed are various embodiments of interpolation circuits for use in conjunction with motion encoders. The analog output signals provided by incremental or absolute motion encoders are provided to an interpolation circuit, which is capable of providing high interp... | 02/01/2011 |
| 7880658 | Interpolation accuracy improvement in motion encoder systems, devices and methods Disclosed are various embodiments of interpolation circuits for use in conjunction with optical encoders. The analog output signals provided by incremental or absolute motion encoders are provided to an interpolation circuit, which is capable of providing high inter... | 02/01/2011 |
| 7876253 | A/D conversion circuit for use with low-potential and high-potential power supplies A D/A conversion circuit for performing D/A conversion at high speeds. The D/A conversion circuit includes a resistor string including a plurality of resistor elements connected between a low-potential power supply and a high-potential power supply. A plurality of f... | 01/25/2011 |
| 7839317 | Folding comparator compatible with level-crossing sampling A Folding Comparator circuit which receives an analog input current and both compares it to a DC reference current while at the same time folding the input current around the reference current to be passed on as an output current which can then be passed on to anoth... | 11/23/2010 |
| 7777661 | Interpolation method and a circuit for carrying out said method used in a high-resolution encoder Intermediate digital signals Fi(α), Gi(α), i=1, . . . I, are generated, which result from a comparison of reference potentials of the first input analogue signal at a shifted value of its observed argument and with a suitably reduced amplitude to the potential, wh... | 08/17/2010 |
| 7737875 | Time interpolation flash ADC having automatic feedback calibration An input signal is compared to 2N−1 reference voltages to generate 2N−1 corresponding binary valued comparison signals, delaying at least one of the comparison signals by a variable delay and detecting a difference in arrival time between t... | 06/15/2010 |
| 7683817 | Solid-state imaging device, AD converter, and AD converting method The present invention provides a solid-state imaging device which can output a digital signal at a high speed without using a high-speed clock. The solid-state imaging device includes light receiving elements provided in an array and generating signal voltages based... | 03/23/2010 |
| 7646323 | Clock generator The present invention relates to controlling the timing of a clock signal in high speed circuits, such as an analogue-digital converter (ADC). In some high speed data transfer techniques, the incoming data is latched using a clock signal. Often, the delay between th... | 01/12/2010 |
| 7636057 | Fast, efficient reference networks for providing low-impedance reference signals to signal converter systems Reference network embodiments are provided for use in pipelined signal converter systems. The network embodiments are fast and power efficient and they generate low-impedance reference signals through the use of a complimentary common-drain output stage, an output c... | 12/22/2009 |
| 7633422 | Transducer device A transducer device for converting an analog DC voltage signal into a digital signal is provided, with an oscillator device for outputting a first oscillator signal and a second oscillator signal, whereby the oscillator device is formed to generate the first oscilla... | 12/15/2009 |
| 7561092 | Extension of accuracy of a flash ADC by 1-bit through interpolation of comparator outputs ADC accuracy is increased by 1 bit by interpolation of comparator outputs in a comparator array, thereby increasing accuracy without significantly increasing power consumption and size. Specifically, an analog-to-digital converter includes a binary converter and a c... | 07/14/2009 |
| 7557746 | Time domain interpolation scheme for flash A/D converters An analog-to-digital converter circuit comprises a first voltage comparator coupled to a first reference voltage and a signal voltage, the first voltage comparator having first negative and first positive outputs for outputting a comparison of the first reference vo... | 07/07/2009 |
| 7541961 | High speed, low power all CMOS thermometer-to-binary demultiplexer High speed, low power all CMOS thermometer-to-binary demultiplexer. A received signal undergoes digital sampling (e.g., as within an ADC) to generate a signal that subsequently undergoes encoding (e.g., transformation from thermometer encoded data to binary encoded ... | 06/02/2009 |
| 7528757 | Circuit and method for generating a set of intermediate voltages A network for generating a set of intermediate voltages comprising two input ports for feeding two reference voltages. The intermediate voltages are generated by a number of self calibration units that correspond to the number of intermediate voltages to be generate... | 05/05/2009 |
| 7443330 | Method of 1-bit hysteretic control in N-bit A/D conversion The present invention introduces methods to eliminate 1-bit jitter problem in the N-bit A/D conversion applications. The methods do not require any increase in the total bit of A/D conversion. ... | 10/28/2008 |
| 7443331 | Multiple-bank CMOS image sensor system and method A CMOS image sensor system includes first and second groups of CMOS sensors each responsive to periodic first and second clock signal edges, the second clock signal edge being out-of-phase with the first clock signal edge. Output signals of the first group of CMOS s... | 10/28/2008 |
| 7417576 | Method and apparatus for detecting an edge A detector comprises an analog-to-digital converter. The analog-to-digital converter comprises an input for an analog receive signal and an output for a digital signal. The detector further comprises an edge detector. The edge detector comprises an input for a digit... | 08/26/2008 |
| 7414563 | Analog-to-digital converter with a plurality of conversions An A-D converter includes an A-D converter circuit, a D-A converter circuit, a subtraction circuit, a second amplifier circuit, a reference voltage control circuit, a timing control circuit 18, an amplifier control circuit 19, and an output circuit. Th... | 08/19/2008 |
| 7405688 | Analogue-to-digital converter and method for converting an analogue input signal into a digital information An analogue-to-digital converter comprises a window comparator. The window comparator comprises an input for an analogue input signal and an output for a comparison result indicating a result of a comparison of the analogue input signal with an upper bound and a low... | 07/29/2008 |
| 7403150 | Analog-to-digital converter architecture using a capacitor array structure An analog-to-digital converter architecture is described. An analog-to-digital converter circuit includes a switched capacitor circuit structure to receive an input voltage signal and one or more reference voltage signals. The analog-to-digital converter circuit als... | 07/22/2008 |
| 7394420 | High-speed analog/digital converter An analog-to-digital converter comprising a positive input terminal, a negative input terminal, several difference detection means detecting a voltage difference between a positive input port and a negative input port, first resistors connecting each positive input ... | 07/01/2008 |
| 7382306 | AD converter and display unit An AD converter includes: a reference voltage generator circuit having a plurality of resistors connected in series with predetermined reference voltage applied to both ends thereof, the reference voltage being divided at connecting points between the individual res... | 06/03/2008 |
| 7382302 | A/D converter with voltage generation circuits An A/D converter has a first voltage generation circuit, a second voltage generation circuit, a comparator, first and second switch circuits connected in series between an input terminal of an analog input voltage and an output terminal of the first voltage generati... | 06/03/2008 |
| 7332940 | Voltage hold circuit and clock synchronization circuit A voltage hold circuit which holds an input signal voltage includes a voltage comparator unit configured to output a result of comparison between a voltage of an externally inputted control signal and a voltage of an outputted analog hold signal, a digital value hol... | 02/19/2008 |
| 7324035 | Amplifier with pulse coded output and remote signal reconstruction from the pulse output An amplifier-based system having pulsed output includes an amplifier for amplifying a time varying voltage signal to produce an output voltage signal. A voltage-to-current (V-I) converter converts the output voltage signal into a current signal. An output stage incl... | 01/29/2008 |
| 7319423 | Multi-mode ADC and its application to CMOS image sensors An analog-to-digital converter apparatus for analog source signals of one polarity, includes one comparator formed from transistors, a block of digitally addressable voltage sources to set a reference voltage of the comparator, an asynchronous n-bit digital counter,... | 01/15/2008 |
| 7315271 | Analog-to-digital converter The invention relates to an analog-to-digital converter. The analog-to-digital converter, for conversion of a signal for digitization into a digital signal, contains a number of comparators, each of which has a first and second input and an output. The digitized sig... | 01/01/2008 |
