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:

1987-04-14

Pagination or Media Count:

6.0

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