Accession Number : ADD012834

Title :   Alarm Capability for Pin Tumbler Locks.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Leek,Bobby J ; Self,Henry L

Report Date : 14 Apr 1987

Pagination or Media Count : 6

Abstract : Fiber optic sensors are used at one or more of the top pin and spring assemblies in a pin tumbler lock to sense either authorized or unauthorized attempt to open the lock. A fiber optic switching element, in a simple capsule form, can be installed in new or existing locks. Fiber optic circuitry signals surreptitious attempts to open the lock. (Patents)

Descriptors :   *PATENTS, *WARNING SYSTEMS, *OPTICAL DETECTORS, *FIBER OPTICS, CIRCUITS, SIGNALS, OPTICAL SWITCHING

Subject Categories : Fiber Optics and Integrated Optics
      Defense Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE