SecurityWorldMarket

04/07/2006

Low light performancefor surveillance cameras with new Sunex day and night exchanger

Mountain View, Calif (USA)

Pixim, Incorporated´s patented Digital Pixel System (DPS) technology coupled with Sunex´s new Day/Night Exchanger offers a highly reliable, low power latching solenoid design to achieve the best available low-light and wide dynamic range (WDR) performance for True Day/Night surveillance cameras.

Pixim's Orca Chipset integrated with the Sunex Exchanger now out-performs any chipset available for surveillance cameras in varied lighting conditions 24/7, claims the manufacturer. Pixim announces also that thair chipsets are the only all-digital solutions on the market, which means they provide the best data available for identifying perpetrators and increasing the accuracy of video analytics, a key future technology for the security industry. Depending upon the OEM's design, Pixim chipset-enabled cameras have the flexibility, to be integrated into any system, IP or CCTV, making them the camera of choice in new installations.
In addition to delivering excellent low light performance with a minimum illumination of under 0.01 lux in black and white mode, Pixim chipsets combine impressive and powerful features that include natural color rendition during daytime, wide dynamic range (120dB max), a progressive scan imager with global shutter that minimizes motion artifacts, and high Signal-to-Noise Ratio (SNR) even at high temperature.
The Sunex Miniature Day/Night Exchanger (M12-EXM-IRC21) is an IR cut-off filter with an integrated M12 x 0.5 threaded board lens mount customized for Pixim's DPS chipsets. An absorptive blue-glass filter optimizes for true color rendition during daytime operation. At night or in any low-light conditions, an anti-reflection (AR) coated window allows maximum light transmission. A latching solenoid requires power only to switch filters, minimizing power consumption. The Orca chipset solution allows the camera OEM to adjust transition lighting levels and hysteresis to best adapt to specific application requirements.



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