Matches 1 - 50 out of 175 1 2 3 4 >
Match Document Document Title
7629914 Counter circuit, AD conversion method, AD converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus  
A solid-state image pick up device including a pixel array unit having unit pixels arranged in a matrix pattern. Each unit pixel includes a photoelectric converter. Additionally, the solid-state...
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...
7626532 A/D converter  
An A/D converter comprises a ramp voltage generation circuit, a voltage comparison circuit comprising an arithmetic unit comparing an analog voltage to be converted with a reference voltage showing...
7616147 Analog-to-digital converter  
An analog-to-digital converter (ADC) is presented. The ADC includes an error amplifier, a ramp generator, and a counting circuit. The error amplifier is used for receiving an output voltage and a...
7616146 A/D conversion circuit, control method thereof, solid-state imaging device, and imaging apparatus  
An A/D conversion circuit includes: an input capacitance to which an input signal and a reference signal are sequentially applied; an operational amplifier; a first switch connected between the...
7612816 Low power comparator  
A comparator with an input stage that selectively powers up an output stage provides an electronic device with a comparator that operates at low power. In an embodiment, an input stage produces a...
7609195 On die thermal sensor and method for generating thermal code of ODTS  
An on die thermal sensor (ODTS) in a memory device includes: a band gap unit for detecting a temperature of the memory device to output a first voltage corresponding to the temperature; and an...
7605736 A/D converter and duty control method of sampling clock  
An A/D converter comprises a sample and hold circuit receiving a signal and operating based on a sampling clock, an A/D converting circuit converting an output signal of the sample and hold circuit...
7589795 Automatic clamping analog-to-digital converter  
An automatic clamping analog-to-digital converter (A/D converter) is provided, which includes an A/D converter, a switch, a comparator, a bidirectional counter, and a digital-to-analog converter...
7589657 Analog to digital converter with interference rejection capability  
An analog to digital converter (ADC) with interference rejection capability and method thereof are disclosed. The ADC includes a threshold generator, a comparator circuit, a counter and an...
7586431 Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus  
A column analog-to-digital converter having a voltage comparator and a counter is arranged for each a vertical signal line. The voltage comparator compares a pixel signal inputted via the vertical...
7583218 Comparator and A-D converter  
A comparator is provided that outputs a comparison result obtained by comparing two signals. The comparator includes a positive buffer that converts a positive comparison signal, which has a level...
7573409 Variable sized aperture window of an analog-to-digital converter  
An improvement in sampling a high frequency input analog signal and converting it to a digital output signal is disclosed. This is accomplished by using a multitude of analog-to-digital converters...
7541963 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...
7532147 Analog voltage latch  
An analog voltage latch for use in a controller for controlling a motor equipped electric bicycle, includes a window comparator for comparing an analog voltage latch output and an analog input...
7508332 On die thermal sensor having analog-to-digital converter for use in semiconductor memory device  
An On Die Thermal Sensor (ODTS) of a semiconductor memory device includes: a temperature detector for detecting an internal temperature of the semiconductor memory device to generate a temperature...
7495597 Counter circuit, AD conversion method, AD converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus  
An asynchronous counter that is capable of switching count mode includes flip-flops, and three-input single-output tri-value switches respectively provided between the adjacent pairs of the...
7471230 Analog-to-digital converter and semiconductor device  
An analog to digital converter comprising a reference signal generator, a comparator, and a counter wherein the reference signal generator is operable to generate a reference for converting an...
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,...
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...
7414553 Microcontroller having in-situ autocalibrated integrating analog-to-digital converter (IADC)  
A microcontroller has an integrating analog-to-digital converter (IADC) with an in-situ autocalibrating functionality. On-chip autocalibrating circuitry supplies a first predetermined analog input...
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...
7382309 Analog level meter and method of measuring analog signal level  
An analog level meter and a method of measuring an analog signal level may be provided. The analog level meter may include a comparator, a duty counter, an analog level detector and/or a digital to...
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...
7345613 Image processing circuit, imaging circuit, and electronic device  
An image processing circuit for reducing noise. The image processing circuit includes a CDS circuit for taking a potential difference between a pixel signal at a reset of an image pickup device and...
7336212 Apparatus and methods for measurement of analog voltages in an integrated circuit  
The present disclosure relates to apparatus and methods for measurement of analog voltages in an integrated circuit. In particular, the apparatus includes an on-chip digital-to-analog converter...
7324037 Analog to digital converter with interference rejection capability  
An analog to digital converter (ADC) with interference rejection capability and method thereof are disclosed. The ADC includes a threshold generator, a comparator circuit, a counter and an...
7304599 Analog-to-digital converter with reduced power consumption in CMOS image sensor  
An analog-to-digital converter includes a comparator, a latch, and a bias control unit. The comparator is turned on by an applied bias voltage for comparing an analog voltage with a ramp voltage....
7244919 Semiconductor integrated circuit device having photo detector circuits, processing elements, and comparing circuits which compare the output of a photo detector element with a reference voltage  
A semiconductor integrated circuit device is provided which has a plurality of photo detector circuits and a plurality of processing elements. Each of the photo detector circuits includes a...
7129883 Method and apparatus for AD conversion, semiconductor device for detecting distribution of physical quantity, and electronic apparatus  
A column analog-to-digital converter having a voltage comparator and a counter is arranged for each a vertical signal line. The voltage comparator compares a pixel signal inputted via the vertical...
7068205 Circuit, method, and apparatus for continuously variable analog to digital conversion  
A circuit, method and microcontroller apparatus for performing an analog to digital conversion with continuously variable resolution is disclosed. The circuit includes a integrating modulator for...
7023370 Shared parallel digital-to-analog conversion  
A digital-to-analog converter in which a counter tracks the elapsed time since the beginning of a conversion cycle. Simultaneously, a reference analog signal such as a voltage ramp is generated....
6927721 Low power A/D converter  
A comparator is arranged to compare a series of analog voltage signal samples on a first capacitor with a voltage on a second capacitor which is linearly increased or decreased to equal the sample...
6873282 Differential time-to-threshold A/D conversion in digital imaging arrays  
Differential measurements allow correction of fixed-pattern noise errors in digital imaging arrays which use time-to-threshold A/D conversion techniques. Two time-to-threshold measurements are made...
6873272 Integrated analog-to-digital converter with detection of external faults  
An integrated circuit includes an input pad for receiving an externally generated analog signal, and a pre-sampling circuit for pre-sampling at least one internally generated analog reference...
6812880 Analog-to-digital converter and method for converting an analog signal into a digital signal  
The invention relates to an analog-to-digital converter ( 301 ), comprising several comparators ( 303 ) and a reference network, said reference network having several reference elements ( 302 ). At...
6727838 Tracking analog-to-digital converter  
The present invention herein describes a tracking analog-to-digital converter, in particular of the differential input type. In an embodiment thereof the tracking analog-to-digital converter,...
6657575 Digital control circuit of the proportional integral type  
The present invention relates to a digital control circuit of the P.I. (Proportional Integral) type, receiving an error signal (Error) at an input terminal (IN 1 ) and adapted to provide, at an...
6653962 Superconducting dual function digitizer  
A dual function superconducting digitizer circuit which can selectively function either as an analog-to-digital converter (ADC) or as a time-to-digital converter (TDC). Superconducting ADCs and...
6608580 Differential analog-to-digital converter  
A method and system for converting a plurality of input signals being indicative of a signal to be converted to a digital output including: setting a plurality of codes each being indicative of a...
6583745 A/D converter  
An A/D converter has a successive approximation register having a plurality of A/D registers each corresponding to one of A/D inputs. A capacitor in a comparator is charged by a voltage determined...
6577987 Operational monitoring for a converter  
Monitoring a converter ( 1 ) includes detecting whether a value of an input variable ( 2 ) for the converter ( 1 ) assumes a first prescribed input reference value ( 41 ) and checking whether an...
6559788 Parallel and shared parallel analog-to-digital conversion for digital imaging  
A machine used for acquisition of digital images. A counter tracks the elapsed time since the beginning of image acquisition. When an analog sensor output changes by a pre-set amount, the count is...
6542105 A/D converter  
An A/D converter including a counter for counting a clock signal to output a digital signal corresponding to an analog input signal; a D/A converter for converting the output signal of the counter...
6498579 Successive-approximation analog-digital converter and related operating method  
A successive-approximation analog-digital converter including a logic control circuit timed by means of an external clock signal clock. The logic control circuit includes a register containing a...
6486805 Frequency to digital converter  
According to an embodiment of the present invention, an input signal is provided to an oscillator, which creates a count signal with a greater frequency than the input signal. The input signal...
6404372 Asynchronous A/D converter with moving window  
An A/D converter has been described that compares the bounds of a voltage window with an analog input signal V in . When V in is not within the boundaries of the voltage window, the position of...
6271669 Sensor circuit that converts detected change value from analog to digital value  
A digital-to-analog converter 41, capable of setting a voltage V41 of an offset value using information JS. At the time of an offset correction operation, the voltage V41 of the offset signal is...
6239734 Apparatus and a method for analog to digital conversion using plural reference signals and comparators  
An analog-to-digital converter is provided. The analog-to-digital converter capable of increasing the processing speed of the converter by using a number of SAR registers. The analog-to-digital...
6225937 Metastability resolved monolithic analog-to-digital converter  
An analog comparator compares an analog signal to be converted with an analog ramp signal. The output of the comparator enables a digital latch having a binary Gray code counter input. When the...
Matches 1 - 50 out of 175 1 2 3 4 >