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  • CoaXPress Cameras
Nov 2011
Imperx Inc.Request Info
BOCA RATON, Fla., Nov. 10, 2011 — Imperx has announced a series of cameras that use the CoaXPress interface standard. The public royalty-free standard, administered by the Japan Industrial Imaging Association, supports image data rates up to 6.25 Gb/s using a single coaxial cable. The company’s new ICX cameras are based on the interface; providing resolutions ranging from VGA to 29 megapixels, they capture images at up to 260 fps.

The CoaXPress interface provides high-speed, point-to-point serial communications for transmitting still images or video from a camera to a host system, typically a frame grabber. It provides a 20-Mb/s uplink for communications and control from host to camera. The interface offers precise triggering capability and fixed low latency, and it can provide up to 13 W of 24-V power to the camera.

By using only a single, standard 75-Ω coaxial cable for the connection, the standard avoids many challenges facing other digital camera interfaces, including cable length limitations, electromagnetic interference and skew between signal pairs. The protocol supports plug-and-play operation, using a GenICam-compliant XML file inside the camera to expose all of its features to the host.

The Imperx ICX family complements the company’s BobCat CCD cameras and provides all of that series’ features, including built-in image processing, small size and rugged construction. The cameras offer multiple trigger modes, hot and defective pixel correction, and microsecond-precision exposure time control. The auto exposure, auto gain and auto iris controls work with up to eight programmable areas of interest for normalization of image intensity.

The ICX cameras operate the CoaXPress interface at 2.5 Gb/s, allowing cable lengths of >100 m between camera and frame grabber. The cameras are fully power over CoaXPress-compliant, so users need only a single coaxial cable for camera power, control and video transport. ICX models range from 648 × 488-pixel resolution (VGA), using a ?-in. sensor operating at 260 fps, to 6600 × 4400-pixel resolution, using a 35-mm sensor operating at 2.5 fps.


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