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High-speed CMOS camera

Patent ·
OSTI ID:1470722
; ; ; ; ; ; ; ; ;

A high-speed CMOS camera includes an array of pixel circuits coupled to a photodiode array, an oscillator circuit, and a pattern generator circuit. The pattern generator circuit includes a high speed shift register and a non-overlap generator. The shift register is programmable to produce a pulse train of trigger pulses that defines an interframe and a frame's shutter duration. The non-overlap generator deserializes the incoming pulse train of trigger pulses, and it produces a time-separated reset pulse based on the pulse train of trigger pulses. The shift register is configured to permit the frame durations and the interframe times to be selected arbitrarily over specified ranges in increments of a basic time unit that depends on the oscillator period.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
10,057,521
Application Number:
15/234,636
OSTI ID:
1470722
Country of Publication:
United States
Language:
English

References (6)

Initial characterization results of a 1024x448, 25-μm multi-frame camera with 2ns integration time for the Ultrafast X-ray Imager (UXI) program at Sandia National Laboratories conference September 2016
An overview of the Ultrafast X-ray Imager (UXI) program at Sandia Labs conference August 2015
Toward One Giga Frames per Second — Evolution of in Situ Storage Image Sensors journal April 2013
High-speed CMOS image sensor circuits with in situ frame storage journal August 2004
High-brightness, high-spatial-resolution, 6.151 keV x-ray imaging of inertial confinement fusion capsule implosion and complex hydrodynamics experiments on Sandia’s Z accelerator (invited) journal October 2006
Ultra-fast high-resolution hybrid and monolithic CMOS imagers in multi-frame radiography conference September 2014

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