Robbery alarm system
First Claim
Patent Images
1. A ROBBERY ALARM SYSTEM, COMPRISING:
- (A) A CASH DRAWER FORMED WITH AT LEAST ONE PAPER MONEY-RECEIVING COMPARTMENT;
(B) AN ELECTRICAL ALARM CONTROL CIRCUIT MOUNTED BENEATH THE BOTTOM OF ONE OF SAID COMPARTMENTS AND ADAPTED, UPON ENERGIZATION THEREOF, TO CAUSE OPERATION OF AN ALARM DEVICE;
(C) A LIGHT SENSITIVE RESISTANCE MOUNTED TO EXTEND THROUGH SAID BOTTOM TO FACE UPWARDLY AND CONNECTED IN SERIES IN SAID ALARM CONTROL CIRCUIT;
SAID RESISTANCE BEING ADAPTED UPON EXPOSITION TO AMBIENT LIGHT WHEN THE DRAWER IS OPENED TO ALLOW CURRENT THERETHROUGH TO ENERGIZE SAID CIRCUIT AND UPON BEING BLINDED TO PREVENT PASSAGE OF CURRENT AND THUS OPEN AND DEENERGIZE SAID ALARM CONTROL CIRCUIT;
0 Assignments
0 Petitions
Accused Products
-
Citations
1 Claim
-
1. A ROBBERY ALARM SYSTEM, COMPRISING:
- (A) A CASH DRAWER FORMED WITH AT LEAST ONE PAPER MONEY-RECEIVING COMPARTMENT;
(B) AN ELECTRICAL ALARM CONTROL CIRCUIT MOUNTED BENEATH THE BOTTOM OF ONE OF SAID COMPARTMENTS AND ADAPTED, UPON ENERGIZATION THEREOF, TO CAUSE OPERATION OF AN ALARM DEVICE;
(C) A LIGHT SENSITIVE RESISTANCE MOUNTED TO EXTEND THROUGH SAID BOTTOM TO FACE UPWARDLY AND CONNECTED IN SERIES IN SAID ALARM CONTROL CIRCUIT;
SAID RESISTANCE BEING ADAPTED UPON EXPOSITION TO AMBIENT LIGHT WHEN THE DRAWER IS OPENED TO ALLOW CURRENT THERETHROUGH TO ENERGIZE SAID CIRCUIT AND UPON BEING BLINDED TO PREVENT PASSAGE OF CURRENT AND THUS OPEN AND DEENERGIZE SAID ALARM CONTROL CIRCUIT;
- (A) A CASH DRAWER FORMED WITH AT LEAST ONE PAPER MONEY-RECEIVING COMPARTMENT;
Specification