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Railway interlocking is of British origin, where numerous patents were granted. In June 1856, John Saxby received the first patent for interlocking switches and signals. [2] [3]: 23–24 In 1868, Saxby (of Saxby & Farmer) [4] was awarded a patent for what is known today in North America as “preliminary latch locking”.
An interlock device is designed to allow a generator to provide backup power in such a way that it (a) prevents main and generator power to be connected at the same time, and (b) allows circuit breakers to operate normally without interference in the event of an overload condition. Most interlock devices for electrical systems employ a ...
Automobile ignition interlock device [ edit ] The California Department of Motor Vehicles describes an automobile ignition interlock device (IID) as a device the size of a cell phone that is wired to your car or truck's' ignition to require an individual to offer a breath sample before the engine will start.
Two firms have a direct interlock if a director or executive of one firm is also a director of the other, and an indirect interlock if a director of each sits on the board of a third firm. [2] This practice, although widespread and lawful, raises questions about the quality and independence of board decisions.
In cryptography, the interlock protocol, as described by Ron Rivest and Adi Shamir, is a protocol designed to frustrate eavesdropper attack against two parties that use an anonymous key exchange protocol to secure their conversation. A further paper proposed using it as an authentication protocol, which was subsequently broken.
The sliding bolt, when extended, mechanically prevents operation of a switch, valve, gate, or other device. Many variations exist, with different shapes of interlock bolt and multiple lock cylinders on an interlock. A significant feature of the interlock is that the key is held or trapped in one position of the lock.
Interlock (cinema projection) Interlocking tower; an interlocked hutch in a synchrotron radiation beamline protects user from being accidentally exposed to radiation when a beamline is active; Interlock Protocol, a cryptographic protocol designed to thwart eavesdropping when using an anonymous key exchange protocol, such as Diffie-Hellman
Kickoff meeting, the first meeting with a project team and the client of the project to discuss the role of each team-member [5] Town hall meeting, an informal public gathering. Work meeting, which produces a product or intangible result such as a decision; [6] compare working group. Board meeting, a meeting of the board of directors of an ...