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| Number | Title | Issue Date |
| 8174425 | Asynchronous pulse processing apparatus and method providing signal normalization An asynchronous pulse processing (APP) apparatus, an APP system and a method of signal normalization employing APP provide signal normalization. The APP apparatus includes a gain block configured to scale an input signal by a first scale value and a summation block ... | 05/08/2012 |
| 8174426 | Method and system for converting time intervals A method and a system for converting time intervals are provided. In one embodiment, the system comprises a first time-to-digital converter having a first resolution configured to convert a first time interval, a second time-to-digital converter having a second reso... | 05/08/2012 |
| 8106808 | Successive time-to-digital converter for a digital phase-locked loop A successive time-to-digital converter (STDC) method is provided for supplying a digital word representing the ratio between a phase-locked loop PLL frequency synthesizer signal and a reference clock. The number of frequency synthesizer clock cycles per reference cl... | 01/31/2012 |
| 8102295 | Integrators for delta-sigma modulators Methods, systems and devices are disclosed. Among the disclosed devices is an electronic device that, in certain embodiments, includes a plurality of memory elements or imaging elements connected to a bit-line and a delta-sigma modulator connected to the bit-line. T... | 01/24/2012 |
| 8094058 | Analog digital converters and image sensors including the same The analog-digital converter (ADC) includes a modulator and a digital integrator. The modulator is configured to modulate an input signal and output a modulated signal. The digital integrator includes a plurality of accumulators serially connected to one another. Th... | 01/10/2012 |
| 8031103 | Digitizer with variable sampling clock and method using the same A digitizer includes an analog to digital converter (ADC), a sampling frequency generator, and a controller. The ADC samples an IF signal to generate a digital signal. The sampling frequency generator is connected to the ADC and provides a sampling clock of variable... | 10/04/2011 |
| 8031102 | A-D converter Provided is an AD converter that converts an input analog signal into a digital signal, comprising an integrator that sequentially integrates signal levels of the analog signal to obtain an integrated waveform, and outputs the integrated waveform; a digital converti... | 10/04/2011 |
| 7973694 | Analog-digital converter An analog-digital converter according to the present invention includes an input polarity switching unit, an integrator that integrates an input signal, an integrator output adjusting circuit that adjusts an output voltage of the integrator, a window comparator, and... | 07/05/2011 |
| 7940202 | Clocking analog components operating in a digital system In one example, a clock generation component is configured to receive a master clock and generate a plurality of clock signals that are shifted relative to one another for a chip having an analog domain and a digital domain. A first selection component is configured... | 05/10/2011 |
| 7916064 | Voltage-to-time converter, and voltage-to-digital converting device having the same A voltage-to-digital converting device includes a first voltage-to-time converter outputting a first delay clock having a first time delay relative to a reference clock in response to an input voltage, and a second voltage-to-time converter outputting a second delay... | 03/29/2011 |
| 7893861 | Time-to-digital based analog-to-digital converter architecture Apparatus and methods are provided relating to time-to-digital based analog-to-digital converter. An apparatus includes a time-to-digital converter based analog-to-digital converter for generating a first signal and a second signal having a timing relationship betwe... | 02/22/2011 |
| 7884751 | Time-to-digital converter A TDC circuit having a small scale circuit and high resolution is disclosed, which is a time-to-digital converter that detects a phase with respect to a reference clock of a signal to be measured, comprising a first delay line in which a plurality of first delay ele... | 02/08/2011 |
| 7880661 | Analog-digital converter and on-die thermal sensor including the same An on-die thermal sensor includes an integrating analog-digital converter not requiring a negative reference voltage input. The on die thermal sensor includes a band gap unit, an integrating unit and a counting unit. The band gap unit senses a temperature to output ... | 02/01/2011 |
| 7872602 | Time to digital converting circuit and related method A TDC circuit includes: a first delay circuit, including at least one first delay stage for delaying a first input signal to generate a first output signal; a second delay circuit, including at least one second delay stage for delaying a second input signal to gener... | 01/18/2011 |
| 7839320 | Measurement amplification device and method Measurement amplification methods and devices for detecting a monopolar input signal (UE) by integrating A/D conversion. Before being digitized, the input signal (UE) is inverted according to the so-called Chopper principle and converted into a... | 11/23/2010 |
| 7808419 | Digitizer with variable sampling clock and method using the same A digitizer includes an analog to digital converter (ADC), a sampling frequency generator, and a controller. The ADC samples an IF signal to generate a digital signal. The sampling frequency generator is connected to the ADC and provides a sampling clock of variable... | 10/05/2010 |
| 7808418 | High-speed time-to-digital converter Techniques for enabling a time-to-digital (TDC) to sample with sub-inverter delay resolution are disclosed. In an embodiment, the inputs to a differential D-Q flip-flop in the TDC are coupled to a single-ended signal and a delayed and inverted version of that signal... | 10/05/2010 |
| 7791525 | Time-to-digital conversion with calibration pulse injection A time-to-digital converter having at least one chain of delay elements, wherein a status of the chain of delay elements represents a digital signal relating to a time interval to be converted, wherein the time-to-digital converter having an injector for injecting a... | 09/07/2010 |
| 7782242 | Time-to-digital conversion with delay contribution determination of delay elements A time-to-digital converter includes at least one chain of delay elements, a status of which represents a digital signal relating to a time interval to be converted. The converter includes a provider for providing trigger signals having statistically equally distrib... | 08/24/2010 |
| 7755531 | Analog reference voltage generator, method thereof, analog-to-digital converter including the same, and image sensor including the same An analog reference voltage generator for generating a monotonously increasing or decreasing analog reference voltage includes a plurality of dump cells in front of an operational amplifier and controls the dump cells using a plurality of clock signals, respectively... | 07/13/2010 |
| 7750835 | Analog to digital converter using asynchronous pulse technology A digital to analog converter includes a time encoder that converts an analog input signal into a asynchronous pulse sequence, a pulse asynchronous DeMUX circuit that converts the asynchronous pulse sequence into a parallel stream of pulse sequences at a relatively ... | 07/06/2010 |
| 7728754 | Integrating analog to digital converter An integrating analog to digital converter (ADC) is disclosed that comprises a Delay Locked Loop (DLL) (2, 50) which is synchronized to a reference clock signal (12). A rising edge of a clock signal therefore propagates through the DLL once each clock ... | 06/01/2010 |
| 7667633 | Time-to-digital converter with high resolution and wide measurement range A time-to-digital converter includes low and high resolution time-to-digital converters for providing both high resolution and wide measurement range. The low resolution time-to-digital converter measures a time difference between first and second signals with a fir... | 02/23/2010 |
| 7649489 | Apparatus for analog/digital conversion of a measurement voltage Apparatus for the analog/digital conversion of a measurement voltage with an analog/digital converter, which has an integrating component with an operational amplifier, a resistor and a capacitor in a feedback loop, wherein a reference voltage is applied to the inve... | 01/19/2010 |
| 7629916 | Multiple output time-to-digital converter A multiple output time-to-digital converter (TDC) and an Analog-to-Digital Converter (ADC) incorporating the multiple output TDC is disclosed. ... | 12/08/2009 |
| 7629915 | High resolution time-to-digital converter and method thereof A time-to-digital converter (TDC) is disclosed, the TDC comprising: a plurality of parallel circuits for receiving a common first clock and for generating a plurality of delayed clocks; a plurality of sampling circuits for receiving and sampling said delayed clocks ... | 12/08/2009 |
| 7528760 | Class D analog-to-digital converter A new analog-to-digital (ADC) circuit and architecture and the corresponding method of implementation are provided. The analog input signal is converted into a modulated pulse stream such as by a pulse-width-modulation scheme. The time-duration width of the pulses a... | 05/05/2009 |
| 7525472 | Integration type and converter and device including same An integration type A/D converter in which a dynamic range is enlarged while keeping a simple circuit configuration is provided. Offset potential of an integrator is to be variable. Specifically, offset potential in proportion to input potential is supplied to the i... | 04/28/2009 |
| 7501973 | High-resolution time-to-digital converter A time-to-digital converter includes a first delay line, a second delay line, comparators, and an encoder. The first delay line includes first resistors coupled in series and receives a first signal through a start node. The second delay line includes second resisto... | 03/10/2009 |
| 7436342 | Numerical full well capacity extension for photo sensors with an integration capacitor in the readout circuit using two and four phase charge subtraction A detector circuit having an integration capacitor coupled to an amplifier via a switch matrix and a comparator coupled to the amplifier, the integration capacitor operable in two or more phases, the switch matrix is configured to phase switch the integration capaci... | 10/14/2008 |
| 7424064 | Polar transmitter with digital to RF converter A polar transmitter, operable in linear mode or switched mode, uses a conversion module to convert baseband signals into amplitude data and phase data. The phase data is used to phase modulate a carrier frequency in a radio frequency conversion module. The module co... | 09/09/2008 |
| 7423574 | Analog-to-digital converter with pulse delay circuit In a semiconductor-integrated A/D converter, a pulse delay circuit is provided with a plurality of delay units. The plurality of delay units each includes at least one logic gate and operates based on a level of an input signal. The pulse delay circuit is configured... | 09/09/2008 |
| 7368885 | Lighting controller for lighting device for vehicle A lighting controller for a lighting device for a vehicle includes a semiconductor light source; a power source for supplying electric power; and control circuitry for receiving the electric power from the power source and controlling a current supplied to the semic... | 05/06/2008 |
| 7355867 | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage Disclosed is an invention relating to a power supply for use in an apparatus for measuring electrical energy, comprising, in one embodiment, a first switching device, a device for storing electrical charge in electrical connection with the first switching device, a ... | 04/08/2008 |
| 7348915 | Programmable digital filter system An analog-to-digital conversion system has an analog-to-digital converter and a digital-filter system. The digital-filter system is connected to the output of the analog-to-digital converter. A processor is connected to the output of the digital-filter system so tha... | 03/25/2008 |
| 7349507 | Extending PPM tolerance using a tracking data recovery algorithm in a data recovery circuit A circuit comprising a sampling logic to sample an incoming signal. A phase detection logic to determine a phase error associated with the sample of the incoming signal and to output an out-of-phase detection signal based on the phase error. A control logic coupled ... | 03/25/2008 |
| 7336213 | Polarity independent precision measurement of an input voltage signal Polarity independent precision measurement of an input voltage signal is accomplished using a voltage integrating circuit that receives a first positive reference voltage and the input voltage signal, wherein the first positive reference voltage is greater in magnit... | 02/26/2008 |
| 7330390 | Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c... | 02/12/2008 |
| 7330144 | Analog-to-digital conversion method and analog to digital converter In an analog-to-digital converter, a generating unit executes analog-to-digital conversion of a first input signal and a second input signal based on an analog-to-digital conversion characteristic curve to generate first digital data and second digital data respecti... | 02/12/2008 |
| 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 |
