Title: Security device

Abstract: A security system in which fire or intrusion signals may be impressed on a first and a second monostable oscillator connected in timing circuits, the first monostable oscillator producing an output for a first limited time period to excite an alarm, and coincidently in time a second monostable oscillator producing an output of shorter second time period for delaying actuation of the alarm to permit the operator to deactivate the unit prior to actuation of the alarm, each of the monostable oscillators using an integrated circuit and being reset by application of power to the unit and during function key switch position change. The fire channel has top priority over any other functional characteristics of the master control.

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Inventors: Stolarczyk, Larry G. (Raton, NM, US)

Application Number: 571585
Filing Date: 1975-04-25
Publication_date: 1978-05-30
Assignee: A. R. F. Products, Inc. (Raton, NM)
Primary Class(es): 340/528 340/521, 340/534, 340/539.1, 340/539.16, 340/539.22, 340/541, 340/577
Other Classes:
US Patent Ref:

3390234	Jun, 1968	Glidden	340/420.
3461241	Aug, 1969	Menke	340/416.
3493967	Feb, 1970	Ressler	340/416.
3588865	Jun, 1971	Hansen	340/276.
3699569	Oct, 1972	Lee	340/276.
3703000	Nov, 1972	Kaplan et al.	340/276.
3810097	May, 1974	Muir et al.	340/416.
3858194	Dec, 1974	Jedynak et al.	340/276.
3930226	Dec, 1975	Plumberg	340/64.

Other Refs:
Primary Examiner: Caldwell, Sr., John W.
Assistant Examiner: Crosland, Donnie L.
Attorney: Burmeister, York, Palmatier, Hamby & Jones