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Sensors/MEMS??

2Mpixel image sensor with antishake targets camera phones

Posted: 05 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:image sensor? camera phones? antishake?

OmniVision Technologies Inc. has unveiled its third generation 2Mpixel CameraChip sensor that brings digital still camera (DSC) performance to camera phones in a 1/5-inch optical format, compact enough to allow for an easy upgrade of existing 1.3Mpixel and VGA camera phone designs.

The OV2650 combines OmniVision's 1.75? OmniPixel3 technology with advanced image signal processing (ISP) to offer -in-class low-light performance (520mV/lux-sec), superb color reproduction and ultra-low noise.

One of the most important new features of the OV2650 is the sensor's integrated antishake technology. When camera phones using the sensor detect the slightest camera movement, image stabilization will activate, the sensor will help to prevent image blur and the end result will be sharper images.

In addition, the device's high dynamic range capability enables the sensor to handle extreme variations of bright and dark conditions within the same scene and, similar to the human eye, adjust to changes rapidly. This is especially useful when a camera phone is operating in video mode.

The OV2650 also includes an integrated parallel and one-lane high-speed mobile industry processor interface (MIPI), which allows the rapid transfer of large blocks of data, an element critical to making effective use of increased camera resolutions. The OV2650 also incorporates onboard JPEG compression to allow existing baseband processors without MIPI to support a camera upgrade to 2Mpixels.

"As the digital imaging market continues to mature, consumers expect higher resolution camera phones that offer performance comparable to DSCs in terms of image quality, user friendliness and functionality," said Bruce Weyer, VP of marketing at OmniVision. "New technology in the OV2650 delivers the high-end features that meet these expectations. Achieving these features in a 1/5-inch optical format is the result of our ongoing dedication to camera miniaturization and technology development."

Besides targeting the mobile handset market, the OV2650 is also suited to applications in the DSC, PC multimedia and toy sectors. The OV2650 is available for sampling and is expected to go into volume production in the Q4 of calendar 2008.




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