Burglar alarm system incorporating pneumatically operated components
First Claim
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1. A self-contained intruder alarm system that is independent of external energy sources for activation and which is adapted to be installed in a room or building into which an intruder may attempt to gain access and which is activated by an overt act by the intruder, comprising:
- (a) camera means adapted to be activated by the system to photograph the intruder upon commission of the overt act;
(b) alarm means adapted to be activated by the system to sound an audible alarm as a result of the commission of the overt act by the intruder; and
(c) pneumatic circuit means cooperatively interconnecting said camera means and said alarm means and including a source of air under pressure and a valve actuated by the commission of said overt act by the intruder to activate the circuit means to actuate the camera means and sound the audible alarm means.
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Abstract
Presented is a burglar alarm system for installation in residential, commercial or industrial premises. The burglar alarm system incorporates photographic equipment which photographs the intruder and a pneumatically operated audible alarm.
23 Citations
17 Claims
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1. A self-contained intruder alarm system that is independent of external energy sources for activation and which is adapted to be installed in a room or building into which an intruder may attempt to gain access and which is activated by an overt act by the intruder, comprising:
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(a) camera means adapted to be activated by the system to photograph the intruder upon commission of the overt act; (b) alarm means adapted to be activated by the system to sound an audible alarm as a result of the commission of the overt act by the intruder; and (c) pneumatic circuit means cooperatively interconnecting said camera means and said alarm means and including a source of air under pressure and a valve actuated by the commission of said overt act by the intruder to activate the circuit means to actuate the camera means and sound the audible alarm means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. The method of operating a pneumatically operated intruder alarm system including a source of air under pressure, a camera for photographing the intruder, an audible alarm to frighten the intruder, and primary and secondary pneumatic circuits made up of valves and conduits interconnecting said source of air under pressure with said camera and said audible alarm, the steps comprising:
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(a) causing said primary pneumatic circuit to be pressurized by air from said source of air under pressure to arm the alarm system; (b) causing high pressure air to flow into said secondary pneumatic circuit from said primary pneumatic circuit when an intruder activates the system by committing an overt act; and (c) controlling the flow of air in said secondary pneumatic circuit to successively actuate the camera a predetermined number of times and then terminating actuation of the camera and subsequently activating the audible alarm. - View Dependent Claims (16, 17)
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Specification