Ever since people first began having private possessions, locks to keep that property out of the hands of thieves have been designed. It has been an evolutionary process: As each lock eventually yielded to thieves' attempts to pick, or open, it,...

A lock is better than suspicion. (Irish) A lock is meant only for honest men. (Yiddish) Locks and keys are not made for honest fingers. (German) One lock for your purse, two for your mouth....

A lock is a mechanical fastening device which may be used on a door, vehicle, or container, restricting access to the area or property enclosed. Commonly, it can be released by using a key or...

Electronic Locking Devices Author: John L. Schum Publisher: Butterworths, 80 Montvale Avenue, Stoneham, MA 02180; 1988, 259 pages, hardback: $24.95 Reviewer: Patrick Finnegan; Chief of Intrusion Detection Systems, Access Control Division of the US Army Technical Surveillance Countermeasures School; Member of the...

There are four basic elements in any electrified hardware system: the power source, the conductor, the control and the load. The load is the electrified hardware item that does the work to secure, release, operate or control a door within a system. It...

After a student gunman killed four of his classmates and his German teacher and then left, Derek O'Dell had to wedge one of his sneakers under the classroom door to keep the attacker from returning to kill even more.There was no lock on the door...

An 80-year-old man accused of locking his girlfriend in a camper trailer has been sentenced to probation and ordered to attend an anger management class when he returns home to Oregon.Theodore Matylinske, of Madras, Ore., was arrested on Wednesday near Bismarck after his traveling companion,...