1
Eric R Fossum, Sabrina E Kemeny, Bedabrata Pain: Active pixel sensor array with multiresolution readout. California Institute of Technology, Fish & Richardson P C, September 7, 1999: US05949483 (202 worldwide citation)

An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of the cells including a photogate overlying the ...


2
Bedabrata Pain, Junichi Nakamura, Eric R Fossum: On-focal-plane analog-to-digital conversion for current-mode imaging devices. California Institute of Technology, Fish & Richardson P C, March 23, 1999: US05886659 (185 worldwide citation)

A current-mode analog-to-digital converter based on a current copier circuit with a constant bias current that is independent of the input signals. A second-order incremental .SIGMA.-.DELTA. conversion configuration is implemented. An array of such analog-to-digital converters can be integrated onto ...


3
Eric R Fossum, Zhimin Zhou, Bedabrata Pain: Capacitively coupled successive approximation ultra low power analog-to-digital converter. California Institute of Technology, Fish & Richardson P C, March 9, 1999: US05880691 (171 worldwide citation)

A capacitively-coupled successive approximation analog-to-digital converter utilizes a capacitively coupled multiplying digital to analog converter to generate a succession of voltages which are compared to the input voltage to be digitized. The capacitively coupled multiplying digital to analog con ...


4
Eric R Fossum, Bedabrata Pain: Solid-state image sensor with focal-plane digital photon-counting pixel array. The United States of America represented by the Administrator of the National Aeronautics and Space Adminstration, John H Kusmiss, September 9, 1997: US05665959 (139 worldwide citation)

A solid-state focal-plane imaging system comprises an N.times.N array of high gain, low-noise unit cells, each unit cell being connected to a different one of photovoltaic detector diodes, one for each unit cell, interspersed in the array for ultralow level image detection and a plurality of digital ...


5
Eric R Fossum, Sunetra K Mendis, Bedabrata Pain, Robert H Nixon, Zhimin Zhou: Active pixel sensor having intra-pixel charge transfer with analog-to-digital converter. California Institute of Technology, Fish & Richardson P C, February 1, 2000: US06021172 (106 worldwide citation)

An imaging device formed as a monolithic complementary metal oxide semiconductor Integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of the cells including a photogate overlying the ...


6
Zhimin Zhou, Eric R Fossum, Bedabrata Pain: Integrated sensor with frame memory and programmable resolution for light adaptive imaging. California Institute of Technology, Fish & Richardson P C, June 1, 1999: US05909026 (93 worldwide citation)

An image sensor operable to vary the output spatial resolution according to a received light level while maintaining a desired signal-to-noise ratio. Signals from neighboring pixels in a pixel patch with an adjustable size are added to increase both the image brightness and signal-to-noise ratio. On ...


7
Orly Yadid Pecht, Bedabrata Pain, Eric R Fossum: Method and apparatus of high dynamic range image sensor with individual pixel reset. California Institute of Technology, Fish & Richardson P C, January 16, 2001: US06175383 (84 worldwide citation)

A wide dynamic range image sensor provides individual pixel reset to vary the integration time of individual pixels. The integration time of each pixel is controlled by column and row reset control signals which activate a logical reset transistor only when both signals coincide for a given pixel.


8
Eric R Fossum, Sunetra K Mendis, Bedabrata Pain, Robert H Nixon, Zhimin Zhou: Active pixel sensor having intra-pixel charge transfer with analog-to-digital converter. California Institute of Technology, Fish & Richardson P C, December 16, 2003: US06665013 (66 worldwide citation)

An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of the cells including a photogate overlying the ...


9
Eric R Fossum, Bedabrata Pain: Integrated infrared and visible image sensors. California Institute of Technology, Fish & Richardson P C, August 22, 2000: US06107618 (51 worldwide citation)

Semiconductor imaging devices integrating an array of visible detectors and another array of infrared detectors into a single module to simultaneously detect both the visible and infrared radiation of an input image. The visible detectors and the infrared detectors may be formed either on two separa ...


10
Guang Yang, Bedabrata Pain: Dynamically re-configurable CMOS imagers for an active vision system. California Institute of Technology, Fish & Richardson P C, January 4, 2005: US06839452 (48 worldwide citation)

A vision system is disclosed. The system includes a pixel array, at least one multi-resolution window operation circuit, and a pixel averaging circuit. The pixel array has an array of pixels configured to receive light signals from an image having at least one tracking target. The multi-resolution w ...