Anti-robbery security switch system

Details Anti-robbery security switch system Anti-robbery security switch system

1996-12-02

1998-06-09

Lefkowitz, Edward

Communications: electrical

Systems

Periodic or flashing

340573, 340574, 235 7R, 235 23, 109 2, 109 21, 109 38, G08B 1300

Patent

active

057641331

ABSTRACT:
A security switch system including a power supply; a first electrical contact switch; a second electrical contact switch; an electrical flash unit having a flash circuit including a flash emitting device that emits a flash of light of sufficient intensity to temporarily impair the vision of a viewer; and a switching relay having first and second alternating current switching contacts installable in series within the main alternating current power input to a building. Actuation of either or both the first and second electrical contact switch causes the flash unit to emit a blinding flash of light while the switching relay simultaneously disconnects all power to the building including the ambient lights. The robber is thus exposed to a high intensity flash of light while being simultaneously plunged into a dark environment.

REFERENCES:
patent: 3587082 (1971-06-01), Moehter
patent: 3618060 (1971-11-01), Nina
patent: 3725893 (1973-04-01), Malta et al.
patent: 3828166 (1974-08-01), Johansson
patent: 4035792 (1977-07-01), Price et al.
patent: 4054752 (1977-10-01), Dennis, Jr. et al.
patent: 4818974 (1989-04-01), Fernandez
patent: 4855723 (1989-08-01), Fritz et al.
patent: 5157383 (1992-10-01), Fisher

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