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Normally closed mercury relay, with coil around top of tube and adjustable angle. A mercury relay (mercury displacement relay, mercury contactor) is a relay that uses mercury as the switching element. They are used as high-current switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts.
Post-World War II hospitals were just starting to employ electronic equipment, but did not have staff to maintain and repair them. Sensing an opportunity, with his brother-in-law, Palmer Hermundslie, he formed Medtronic (a portmanteau of "medical" and "electronic") in a small garage, primarily working with the University of Minnesota hospital.
Today, microprocessor-based relays can perform many protective functions in one device. [1] When one device performs several protective functions, it is typically denoted "11" by the standard as a "Multifunction Device", but ANSI Device Numbers are still used in documentation like single-line diagrams or schematics to indicate which specific ...
Medtronic operational headquarters in Fridley, Minnesota, a suburb of Minneapolis. Medtronic was founded in 1949 in Minneapolis by Earl Bakken and his brother-in-law, Palmer Hermundslie, as a medical equipment repair shop. [8] Bakken invented several medical technology devices that continue to be used around the world today. [citation needed]
According to court documents, Smirnov claimed that during two meetings in 2015 and/or 2016, Ukrainian executives of Burisma told him they hired Hunter Biden to "protect us, through his dad, from ...
Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.
Two County Fermanagh brothers who scammed elderly homeowners in the United States out of hundreds of thousands of dollars have been sentenced to 18 months in a US prison and face likely deportation.
A relay Electromechanical relay principle Electromechanical relay schematic showing a control coil, four pairs of normally open and one pair of normally closed contacts An automotive-style miniature relay with the dust cover taken off. A relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple ...