Matches 1 - 19 out of 19
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7369167 Photo diode ID for CMOS imagers  
A CMOS image pixel array formed on a chip is used for storing programmed information within the pixel array. Manufacturing lot and other data is written to the array during manufacturing and...
7362365 Digital image capture having an ultra-high dynamic range  
An image capture method in a digital image sensor implements a continuous sampling technique with a massively parallel thermometer-code analog-to-digital conversion (ADC) technique to generate...
7071982 Adaptive relative and absolute address coding CMOS imager technique and system architecture  
An imaging architecture is provided employing CMOS imaging sensors. The imaging architecture utilizes time domain sampling techniques to extract image data from a photodiode (PD) pixel array. The...
6975355 Multiple sampling via a time-indexed method to achieve wide dynamic ranges  
An architecture for a digital pixel sensor is disclosed in which the dynamic range of the sensor is increased by taking samples of a subject to be recorded, where each sample is taken over an...
6970195 Digital image sensor with improved color reproduction  
An image sensor includes a sensor array including a two-dimensional array of pixel elements. The array of pixel elements includes a first group of photodetectors having a first sensitivity level...
6963060 Photo-sensor array for motion detection  
Pixels in an array of image sensor pixels contain photo-sensors and circuits having inputs connected to the photosensors. The circuits have feedback loops for reducing fixed pattern noise in the...
6922210 Memory updating for digital pixel sensors  
An improved technique for updating a memory in digital pixel sensors in which a memory update may be directed to only some of the locations or cells in the memory is disclosed. According to one...
6906304 Photo-sensor array for motion detection  
Pixels in an array of image sensor pixels contain photo-sensors and circuits having inputs connected to the photosensors. The circuits have feedback loops for reducing fixed pattern noise in the...
6873363 Technique for flagging oversaturated pixels  
An active pixel sensor (APS) that includes circuitry to eliminate artifacts in digital images. The APS includes a comparator for comparing a signal level from a pixel to an adjusted saturation...
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...
6741198 High resolution, low power, wide dynamic range imager with embedded pixel processor and DRAM storage  
A high-resolution, low-power wide-dynamic-range CMOS imager includes an array of pixel imaging cells, each of which embeds with a pixel transducing circuit at the pixel level a digital arithmetic...
6667769 Time integrating pixel sensor  
A time-integrating pixel sensor having a photo-detector, a capacitor, a comparator and a pixel data buffer. In operation, the photo-current from the photo-detector charges the capacitor and...
6660989 CMOS imager having asynchronous pixel readout in order of pixel illumination  
This CMOS imager represents illuminance in the time domain. Once per frame, each pixel outputs a pulse after a time proportional to the illuminance on that pixel. Therefore, the illuminance on that...
6606121 Local auto-adaptive optic sensor  
To avoid the overexposure and underexposure of pixels which occurs with high image contrasts, each pixel contains a local autoadaptive control. With the help of this control, each pixel...
6590610 Digital double sampling in time integrating pixel sensors  
A double sampling time-integrating pixel sensor having a photo-detector, a capacitor, a comparator and two pixel data buffers. In operation, the photo-current from the photo-detector charges the...
6587145 Image sensors generating digital signals from light integration processes  
The purpose of the present invention is to provide a generic solution for direct readout of the charge signals from the photodetectors in an image sensor to minimize possible signal distortions....
6552745 CMOS active pixel with memory for imaging sensors  
An imaging apparatus and a method of capturing and storing an image in digital form within a photosensitive area of the apparatus include integrating an array of memory cells within each pixel of...
6525304 Circuitry for converting analog signals from pixel sensor to a digital and for storing the digital signal  
A digital pixel sensor is formed on a semiconductor substrate and comprises a phototransducer responsive to light for providing an analog output signal that is a function of an incident amount of...
5036182 Bar code reading and decoding apparatus  
A bar code reading apparatus for detecting the space between characters (the character space) by counting the number, which is a fixed number in the bar code, of edges, or transition points, of the...
Matches 1 - 19 out of 19