2009

CMOS Camera Array With Onboard Memory

A compact CMOS (complementary metal oxide semiconductor) camera system has been developed with high resolution (1.3 Megapixels), a USB (universal serial bus) 2.0 interface, and an onboard memory. A compact design of a 2×4 in. (≈5×10 cm) multilayer PCB (printed circuit board) was designed that contains the CMOS socket, a PLD (programmable logic device) for the digital logic required to drive the CMOS array, the USB 2.0 interface, and a RAM (random access memory) chip for storing up to nine images in a compact format. The system can be configured as a slave, which allows the camera to receive a trigger from another similar camera to synchronize exposure, or in master mode, in which the camera receives a trigger command from a computer and sends a trigger to other cameras for synchronization. Exposure times, and other operating parameters, are sent from a control PC via the USB port. Data from the camera can be received via the USB port and the interface allows for simple control and data capture through a laptop computer. The software designed for this system manages synchronized image capture as used in Pentacam with CMOS sensors, and no frame-grabbers so the power consumption is minimal.

Since the cameras can be triggered and synchronized, they can be used to capture images of high-speed events from several directions. Remote sensing applications also can take advantage of these systems.

This work was done by Nahum Gat of Opto-Knowledge Systems, Inc. for Goddard Space Flight Center. For further information, contact the Goddard Innovative Partnerships Office at (301) 286-5810. GSC-14902-1

White Papers

Electroforming Basics
Sponsored by Servometer
Broadening the Scope of User Requirements When Selecting Valves for Medical Devices
Sponsored by B Braun
The True Cost of Bearing Lubrication
Sponsored by igus
Maintenance Free Linear Guides
Sponsored by IKO
Improving Absorption Measurements through Light Source Selection
Sponsored by Ocean Optics
PICO xMOD Data Sheet
Sponsored by Nordson EFD

White Papers Sponsored By: