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In automotive electronics, a door control unit (DCU) is a generic term for an embedded system that controls a number of electrical systems associated with an advanced motor vehicle. A modern motor vehicle contains a number of ECUs ( electronic control units ), and the door control unit (DCU) is one of the minor ones.
An electric strike is an access control device used for door frames. It replaces the fixed strike faceplate often used with a latch (also known as a keeper). Like a fixed strike plate, it normally presents a ramped or beveled surface to the locking latch allowing the door to close and latch just like a fixed strike would.
Though the W108 and W109 were only available as 4-door models, 2-door W111 and W112 coupés and cabriolets like this 1969 280SE are frequently mistaken for them Mercedes-Benz W111 Cabriolet interior. In November 1967, the 250 SE was superseded by the 280 SE. It was powered by the new 2778 cc M130 engine, which produced 160 hp (119 kW) at 5500 ...
Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and removed without re-keying the lock cylinder; fine access control, where time and place are factors; and transaction logging, where activity is recorded. Electronic locks can also be remotely monitored and ...
Mercedes-Benz 280 SL interior 1969–1971 Mercedes-Benz 280 SL 1970 Mercedes-Benz 280 SL, European model. The 280 SL was introduced in December 1967 and continued in production through 23 February 1971, when the W 113 was replaced by the entirely new and substantially heavier R107 350 SL.
Mercedes-Benz has sold a number of automobiles with the "280" model name: . 1959–1968 W111. 1967–1971 280SE Coupe & Cabrio; 1969–1971 280SE 3.5 Coupe & Cabrio; 1968–1971 W113 ...
An improved "shear" electromagnetic lock was patented on May 2, 1989, by Arthur, Richard and David Geringer of Security Door Controls, an access control hardware manufacturing firm. The device outlined in their designs was the same in principle as the modern magnetic lock consisting of an electromagnet and an armature plate.
It was initially exclusive for the United States, introduced in the spring of 1971, as the 280 SE/SEL 4.5 and the 300 SEL 4.5, until the new, 1973 model year W116, MB's first generation of distinct S-Class platform 450 SE/SEL models, which went on sale worldwide in September 1972, alongside the V8 powered 350/450 SL (R107) 2-seat cabrios and ...
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