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Saphirstein continued developing electromagnetic locking technologies at other companies he initiated including Dortronics (later purchased by Sag Harbor Industries [12]), Delta Controls (first purchased by the Lori Lock Company and then later purchased by Hanchett Entry Systems) and Delt-Rex Door Controls, all of which were located in ...
The most basic type of electronic lock is a magnetic lock (informally called a "mag lock"). A large electro-magnet is mounted on the door frame and a corresponding armature is mounted on the door. When the magnet is powered and the door is closed, the armature is held fast to the magnet. Mag locks are simple to install and are very attack ...
A simple electromagnetic door holder consists of a strong electromagnet, usually attached to a wall or mounted in a floor pedestal enclosure, next to the door it controls. The mechanism may be mounted near the floor, at the upper corner of the open door, or at any convenient height along the latch edge (away from the hinged edge).
A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...
David M. Cote is among the highest-paid CEOs in the country. He spent 25 years with General Electric, mostly as a senior executive. In 1999, he left the company and became the chairman, president and CEO of TRW Inc., a provider of products and services for the aerospace, information systems and automotive markets, where he worked until 2002.
Altadena home catches fire hours after family flees. Beth Davis and her family left their Altadena home around 6 p.m. Tuesday. With two kids, along with three dogs and two guinea pigs, she and her ...
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