HGH Infrared Systems - Experts in Electro-Optics & Infrared Technology: the infrared reference for 40 years Founded in 1982, HGH Infrared Systems designs, develops, assembles and sells optronic systems for industrial, civil, defense and security applications. In 30 years of existence, HGH has established itself as an international reference in terms of innovation in infrared technology, through the development of multiple advanced sensors. HGH Infrared Systems is the manufacturer of the award-winning Spynel, the world's only real-time panoramic infrared camera with unlimited intrusions detection capability.