Motion sensing alarm
First Claim
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1. A motion sensing alarm, comprising:
- time delayed circuit means connected between a supply means via a switch and a first input of said electronic logic circuit means;
sensor means comprising a thin metallic wire having a weight at its distal end, said wire being disposed in a generally central position within a contact making element until motion is detected, said wire being connected between said switch and said time delay circuit means and said contact making element being connected to a second input of said electronic logic circuit means;
alarm initiating circuit means connected to said electronic logic circuit means;
false triggering circuit connected between said electronic logic circuit means and said alarm initiating circuit means; and
alarm means connected at the output of said electronic logic circuit means.
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Abstract
A motion sensing alarm is disclosed. It is comprised of a time delayed switching circuit connected between a supply circuit and an electronic logic circuit. A triggering circuit is connected between the switching circuit and a false triggering circuit and the electronic logic circuit. An alarm initiating circuit is connected between the electronic logic circuit and an alarm.
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Citations
6 Claims
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1. A motion sensing alarm, comprising:
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time delayed circuit means connected between a supply means via a switch and a first input of said electronic logic circuit means; sensor means comprising a thin metallic wire having a weight at its distal end, said wire being disposed in a generally central position within a contact making element until motion is detected, said wire being connected between said switch and said time delay circuit means and said contact making element being connected to a second input of said electronic logic circuit means; alarm initiating circuit means connected to said electronic logic circuit means; false triggering circuit connected between said electronic logic circuit means and said alarm initiating circuit means; and alarm means connected at the output of said electronic logic circuit means. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification