USB Cameras Simplify Machine Vision


Edmund Optics announces its EO family of intelligent machine-vision cameras with the USB 2.0 interface. The cameras are equipped with a host of software features designed to make machine vision easier to implement and control while the USB interface provides a high-speed link for data downloads.

The EO family cameras are available in four resolution and speed combinations ranging from 752x480-pixel at 87 fps to 2560x1920-pixel at 6 fps. Lower resolution cameras are available in monochrome or color versions while the higher resolution cameras are color-only. Each camera in the family features a progressive-scan CMOS sensor, software-based exposure control, C-mount lens fittings, and a USB 2.0 interface. The cameras have the same 34x32x27.4-mm dimensions, allowing users to interchange cameras without system modifications.

The intelligent EO cameras come with software support that simplifies their use. Under software control users can adjust the camera’s frame rate by setting a specified Area of Interest (AOI) within the image. Frame rate can also be adjusted using binning or sub-sampling. Software also allows the user to control signal gain, set exposure time, and set frame rate as well as establish trigger and digital output (flash) delays and durations. Users can set exposure, gain, and white balance manually or allow the camera to handle these parameters automatically.

The high-speed USB 2.0 interface coupled with the camera’s intelligence permits the camera to provide data in a variety of modes. Software supplied with the camera allows image capture in JPEG or Bitmap file formats or video capture in AVI format, both with hot-pixel correction. The camera can also perform edge enhancement, image mirroring and image binning in both vertical and horizontal directions. Drivers for the camera are available for Direct Show (WDM), ActiveX, and TWAIN applications programs. In addition, a software development kit (SDK) and documentation are available.


• Imaging Device - 6.6 Megapixel CMOS Sensor • Sensor - Cypress IBIS 4B • Sensing Area (H x V) - 10.5 x 7.73mm • Pixels (H x V) - 3000 x 2208 • Pixel Size (H x V) - 3.5μm x 3.5μm • Pixel Depth - 8/10 bit • Frame Rate - 5 fps at 2208 x 3000 to 78 fps at 640 x 480 • Elec. Shutter Speed - 0.063ms to 2s • Shutter – Rolling • S/N Ratio - >60dB • Weight - 200g • Camera Control - Via Software • Synchronisation - External or Via Software • Lens Mount - C-Mount • Operating Temperature - 0°C to 50°C (32°F to 122°F) • Vibration (20~200Hz) - 300G & 20G (10Hz - 2KHz) • Shock - 50G
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