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Kidde, a specialist in fire systems for detection, suppression and fire fighting; Lenel Systems International, a developer and provider of advanced electronic security systems, acquired in 2005; Marioff, a water mist fire suppression systems company acquired in 2007; NORESCO, a U.S.-based energy services company (Northeast Energy Services Company)
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An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. [1] The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.
Lenel is a surname of German origin. Notable people with this surname include: Otto Lenel (1849–1935), German Jewish jurist and legal historian; Ludwig Lenel (1914–2002), German organist and composer; Richard Lenel (1869–1950), German businessman; Victor Lenel (1838-1917), German businessman
Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems. Some objectives of building ...
Elliptic-curve cryptography (ECC) is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields.ECC allows smaller keys to provide equivalent security, compared to cryptosystems based on modular exponentiation in Galois fields, such as the RSA cryptosystem and ElGamal cryptosystem.
Common physical security access control with a finger print A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation.. In physical security and information security, access control (AC) is the selective restriction of access to a place or other resource, while access management describes the process.
Although the US military requirements for body armor mirror the NIJ's on a surface level, the two are very different systems. The two systems share a 44 mm (1.7 in) limit on back-face deformation, but SAPI-series plates increase linearly in protection (with each plate tested against the preceding plate's threats), and require a soft armor ...