Objective of SIGMA+ is to protect cities against diverse chemical threats, expanding on earlier SIGMA’s nuclear focus. SIGMA+ expands on SIGMA’s focus on detecting nuclear threats. Block MEMS, a ...

Pictured, right: Block's LaserWarn is an open-path chemical detection system that identifies chemical threats in seconds. Southborough, MA, USA – Smiths Detection Inc. alongside Block MEMS, LLC (Block ...

Proximity sensing based on infrared signal acquisition and processing typically requires two parts to form the optical front end: an infrared LED and an optical sensor. The infrared LED beams infrared ...

This improved infrared detector is specifically intended for use with commercial IR remote control handsets. This little circuit is useful for quick go/no-go testing of just about any remote control ...