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| Number | Title | Issue Date |
| 8188900 | Analog-digital converter In a system based on an analog-digital converter (ADC) having an analog input signal and at least one quantization threshold, the analog-digital converter (ADC) includes an arrangement for varying the at least one quantization threshold. ... | 05/29/2012 |
| 8179296 | Digital readout method and apparatus Autonomously operating analog to digital converters are formed into a two dimensional array. The array may incorporate digital signal processing functionality. Such an array is particularly well-suited for operation as a readout integrated circuit and, in combinatio... | 05/15/2012 |
| 8174422 | Power-supply-noise cancelling circuit and solid-state imaging device A reference voltage generation circuit generates a reference voltage and outputs it to an amplifier reference voltage line. A power-supply-noise adding circuit adds power supply noise superimposed on a power supply to the reference voltage generated by the reference... | 05/08/2012 |
| 8174421 | Information processing apparatus An information processing apparatus, includes: a plurality of processor means respectively including storage means for storing analog information and comparison means for comparing analog information stored in the storage means with an inputted reference analog valu... | 05/08/2012 |
| 8169354 | Apparatus and methods thereof for reducing energy consumption for PWM controlled integrated circuits in vehicles An apparatus, protocol and methods for reducing vehicle energy consumption and for precise electronic event control, by implementing full CPU off-loading, using pulse-width modulation (PWM) with analog feedback diagnosis enabling real-time operation. Accordingly, an... | 05/01/2012 |
| 8164503 | Data converter system that avoids interleave images and distortion products A data converter system provides an output signal having reduced spurious tones by confining an input signal to a specified frequency band and over-sampling so that the converted input signal “straddles” or “avoids” spurious tones. The spurious tones may the... | 04/24/2012 |
| 8144046 | Linearity enhancement circuit, ΣΔ A/D converter, and reception apparatus A linearity enhancement circuit is disclosed which includes: a first shift amount creation block creating a first shift amount in keeping with the immediately preceding output code of an n-bit A/D converter; a first shifter circuit bit-shifting input code data by th... | 03/27/2012 |
| 8138958 | Vernier ring time-to-digital converters with comparator matrix A time to digital converter (TDC) is able to be utilized for measuring a time interval between two signals with a very fine time resolution, which is defined as the difference in propagation delay per stage between two rings or chains of delay stages. The Vernier ri... | 03/20/2012 |
| 8130129 | Analog-to-digital conversion One embodiment of the present invention includes an analog-to-digital converter (ADC) system. The system includes an ADC configured to generate digital samples that are digital versions of at least one analog signal at a sampling frequency and a memory configured to... | 03/06/2012 |
| 8125367 | AM chirp LADAR readout circuit and module A readout circuit which may be in the form of a readout integrated circuit or ROIC is disclosed for use in an AM chirp LADAR system having a photodetector coupled to a passive electronic filter. The filter output is coupled to a capacitive-coupled transimpedance amp... | 02/28/2012 |
| 8115664 | A/D conversion device An exemplary embodiment of the present invention is an A/D conversion device including: a sample-and-hold circuit that holds an analog input voltage; a sequential conversion register that stores a digital value corresponding to a threshold; a D/A converter that gene... | 02/14/2012 |
| 8106804 | Video decoder with reduced power consumption and method thereof A video decoder (10) with reduced power consumption includes a power management controller (45) that is operative to select one of a plurality of different power consumption states for a video decoder (10), and, in response to the determination,... | 01/31/2012 |
| 8102293 | Digital direct conversion receiving apparatus and method A digital direct conversion receiving apparatus, including: a phase conversion unit to down-convert a Radio Frequency (RF) signal into a plurality of sample signals, and generate a certain phase difference among the plurality of sample signals when the RF signal is ... | 01/24/2012 |
| 8098180 | Devices including analog-to-digital converters for internal data storage locations A device that includes an internal data storage location coupled to an electrical conductor and an analog-to-digital converter coupled to the internal data storage location via the electrical conductor. In some embodiments, the analog-to-digital converter includes a... | 01/17/2012 |
| 8098181 | Attenuator circuit An attenuator circuit includes a high-frequency circuit path to produce an attenuated first signal; a low-frequency circuit path to produce an attenuated second signal, where the attenuated first signal has a higher frequency than the attenuated second signal; and a... | 01/17/2012 |
| 8089387 | Quantizing circuits with variable parameters Systems, methods, and devices for obtaining data from a data location. The method may include generating a first value by sensing a data location under a first condition and generating a second value by sensing the data location under a second condition. The method ... | 01/03/2012 |
| 8089386 | Isolation unit for a conventional 2-conductor communication connection including a sensor, a measurement transmitter and a control unit For a conventional 2-conductor communication connection, which includes a sensor, a measurement transmitter and a control unit, an isolation unit is provided, which serves for transmission of digital signals, which are not transmitted by the measurement transmitter.... | 01/03/2012 |
| 8085179 | Analog-to-digital converter Various implementations relating to analog-to-digital converters are provided. A comparator of such a circuit is used for converting different analog input signals, while analog-to-digital conversion circuitry for these conversions is implemented at least partially ... | 12/27/2011 |
| 8081100 | Read signal processor, image reading apparatus, and image forming apparatus A read signal processor includes an output unit that serializes a plurality of bits of digital data for each of the colors to obtain a plurality of serial signals, converts the serial signals to a plurality of low-amplitude differential signals, and outputs the seri... | 12/20/2011 |
| 8077068 | Quantizer, analogue-to-digital converter comprising such a quantizer, and ultra-wide band receiver integrating such a converter The invention relates to an N-bit asynchronous Quantizer including a 2N−1 signal amplifier stages (G12-G2N−12) arranged in series, the input of the first stage being capabl... | 12/13/2011 |
| 8063809 | Transient signal encoding method and device, decoding method and device, and processing system A transient signal encoding method and device, decoding method and device, and processing system, where the transient signal encoding method includes: obtaining a reference sub-frame where a maximal time envelope having a maximal amplitude value is located from time... | 11/22/2011 |
| 8054209 | Variable quantization ADC for image sensors An A/D converter suitable for use in a system in which the signal power of noise increases with the signal power of the signal, such as an imaging system, utilizes a variable quantization system for converting analog signals into digital signals. The variable quanti... | 11/08/2011 |
| 8044837 | Analogue to digital converters An analogue to digital converter (ADC) is provided which comprises an signal sampling device, a signal comparison device, and a digital signal generator. An analogue signal to be converted to a digital signal is input into the ADC, the signal sampling device produce... | 10/25/2011 |
| 8040267 | Decoder device and movement controller A decoder device has a reference voltage generating section for outputting first and second threshold level signals, a first comparator for comparing a stair-stepped waveform input signal and the first threshold level signal to output a comparison result, a second c... | 10/18/2011 |
| 8031101 | Spur cancellation A technique to mitigate in-band spurs introduced into a signal due to various board/SiP layout issues at a receiver is disclosed. The spurs can be approximated as sinusoids at different known frequencies with unknown amplitudes and phases. The technique is applicabl... | 10/04/2011 |
| 8026838 | Current mode analog-to-digital converter A current-mode analog-to-digital converter includes: a current input node; a current-mode sample and hold circuit configured to output a steady source of electrical current having an analog value proportional to a sampled analog value of an electrical current at the... | 09/27/2011 |
| 8022853 | Transparent multiplexing of analog-to-digital converters A method and apparatus for sampling and converting analog input values. In response to an event, a value is transmitted from an input of a multiplexer to the output of the multiplexer. The output of the multiplexer is coupled to an input of an analog-to-digital conv... | 09/20/2011 |
| 8018366 | Data converter having a passive filter Exemplary implementations of electrical circuits and systems are disclosed, and methods for signal processing including sampling and quantizing of amplitude and band limited signals implemented through a Passive Pulse Modulation Analog to Digital Converter (PMADC). | 09/13/2011 |
| 8018367 | N-bit ADC reader An integrated circuit has a single input pin for determining a value associated with a resistor divider. First circuitry determines a resistor ratio of the resistor divider through the single input pin. A first register stores a first group of bits representing the ... | 09/13/2011 |
| 8009078 | Configurable analog input channel with galvanic isolation Embodiments of the invention relate generally to a configurable analog input channel with galvanic isolation. In one embodiment, the invention provides a configurable input channel for selectively receiving one of a plurality of different analog sensor inputs. The i... | 08/30/2011 |
| 8009075 | Analog to digital converter (ADC) with extended dynamic input range A method and apparatus is disclosed to extend a dynamic input range of an analog to digital converter (ADC). A composite ADC may include one or more ADCs. The one or more ADCs compare a signal metric of an analog input signal to quantization levels to produce interm... | 08/30/2011 |
| 8009076 | Intermediate frequency receiving circuit and intermediate frequency receiving method An intermediate frequency receiving circuit and an intermediate frequency receiving method are provided. The intermediate frequency receiving circuit includes an inductor-capacitor (LC) resonance circuit whose primary resonance frequency is a central frequency of re... | 08/30/2011 |
| 8009077 | Delta-sigma analog-to-digital converter (ADC) circuit with selectively switched reference A delta-sigma analog-to-digital converter (ADC) circuit improves performance by reducing the amount of noise and other error sampled by the reference switching circuit. The reference is operated such that one or more reference capacitors remain coupled to an input s... | 08/30/2011 |
| 8004442 | Analog to digital converter (ADC) with comparator function for analog signals This disclosure relates to analog to digital converter (ADC) component with a comparator function for analog signals. ... | 08/23/2011 |
| 8004444 | ADC chopping transconductor having two pairs of cascode transistors A chopping transconductor includes an transconductor input stage coupled with input signals of the chopping transconductor; a chopping switch coupled with an output of the transconductor input stage, the chopping switch having a switch output; and a cascode transist... | 08/23/2011 |
| 8004443 | Information readout apparatus and information reproducing method An information readout apparatus includes analog to digital converting means, equalizing means, interpolating means, maximum likelihood detecting means and PLL means. The analog to digital converting means converts a read signal read out from an optical disc medium,... | 08/23/2011 |
| 7999713 | Parallel analog-digital converter with dual static ladder The invention relates to fast, high resolution, analog digital converters, and more particularly those which possess at least one conversion stage of “flash” type. The converter according to the invention uses N differential amplifiers with four inputs. The ampl... | 08/16/2011 |
| 7999715 | Interference reduction device An interference reduction device includes an analog to digital converter, a serial to parallel converter, a first FIR filter, a second FIR filters, a flip-flop, a decision unit, and a selector. The analog to digital converter performs A/D conversion. The serial to p... | 08/16/2011 |
| 7999714 | Controlling bias current for an analog to digital converter A converter includes an analog to digital converter having a bias current input, a control input, and an analog input to provide a digital output as a function of the analog input. A bias module is coupled to the bias current input to provide bias current to the ana... | 08/16/2011 |
| 7994959 | System and method of signal sensing, sampling and processing through the exploitation of channel mismatch effects A system for sensing, sampling and processing an input signal includes an encoding subsystem for sensing and sampling the input signal into a plurality of distinct data paths using a sub-Nyquist sampling rate. The system architecture is designed to induce encoded va... | 08/09/2011 |
