Assignee
NAPCO SECURITY SYSTEMS INC
34 granted patents·906 citations·filing 1975–2006
Top patents by PatentIndex Score
34 records- 0194US6225903B1Alarm system armed and disarmed by a deadbolt on a doorNAPCO SECURITY SYSTEMS INC·Filed 1999·Granted May 1, 2001·118 cites·71 claims
- 0293US4137429ADigital dialers for use in the security fieldNAPCO SECURITY SYSTEMS INC·Filed 1977·Granted Jan 30, 1979·56 cites·10 claims
- 0392USD310791SKeyboard and display panel for an intrusion detection systemNAPCO SECURITY SYSTEMS INC·Filed 1988·Granted Sep 25, 1990·40 cites·1 claims
- 0488US4742183AMethods and techniques for fabricating foldable printed circuit boardsNAPCO SECURITY SYSTEMS INC·Filed 1986·Granted May 3, 1988·71 cites·3 claims
- 0583US7449999B2Security system interface moduleNAPCO SECURITY SYSTEMS INC·Filed 2006·Granted Nov 11, 2008·30 cites·36 claims
- 0683USD251485SPulse code transmitter or similar articleNAPCO SECURITY SYSTEMS INC·Filed 1977·Granted Apr 3, 1979·17 cites·1 claims
- 0781US4833450AFault detection in combination intrusion detection systemsNAPCO SECURITY SYSTEMS INC·Filed 1988·Granted May 23, 1989·70 cites·15 claims
- 0881US4622541AIntrusion detection systemNAPCO SECURITY SYSTEMS INC·Filed 1984·Granted Nov 11, 1986·44 cites·21 claims
- 0979US6812836B2Alarm system armed and disarmed by a door contactNAPCO SECURITY SYSTEMS INC·Filed 2002·Granted Nov 2, 2004·41 cites·68 claims
- 1079US4003045AIntrusion detection systems with turbulence discriminationNAPCO SECURITY SYSTEMS INC·Filed 1975·Granted Jan 11, 1977·29 cites·8 claims
- 1178US4145581AAutomatic telephone dialer for use in intrusion detection systemsNAPCO SECURITY SYSTEMS INC·Filed 1978·Granted Mar 20, 1979·19 cites·10 claims
- 1277USD326619SKeypad for a security systemNAPCO SECURITY SYSTEMS INC·Filed 1990·Granted Jun 2, 1992·19 cites·1 claims
- 1374US6591474B2Apparatus and method of installing an alarm sensor to a corner wallNAPCO SECURITY SYSTEMS INC·Filed 2002·Granted Jul 15, 2003·20 cites·4 claims
- 1473US5331308AAutomatically adjustable and self-testing dual technology intrusion detection system for minimizing false alarmsNAPCO SECURITY SYSTEMS INC·Filed 1992·Granted Jul 19, 1994·57 cites·26 claims
- 1571US4100543AAudible alarm apparatus particularly adaptable for use with fire and theft security systemsNAPCO SECURITY SYSTEMS INC·Filed 1977·Granted Jul 11, 1978·22 cites·10 claims
- 1668US5684458AMicrowave sensor with adjustable sampling frequency based on environmental conditionsNAPCO SECURITY SYSTEMS INC·Filed 1996·Granted Nov 4, 1997·44 cites·21 claims
- 1768USD337513SBracket for a siren moduleNAPCO SECURITY SYSTEMS INC·Filed 1991·Granted Jul 20, 1993·13 cites·1 claims
- 1866US4074248ADual operating control circuits for intrusion detection systemsNAPCO SECURITY SYSTEMS INC·Filed 1976·Granted Feb 14, 1978·18 cites·10 claims
- 1965USD257723SCover plate for a control panel circuit boardNAPCO SECURITY SYSTEMS INC·Filed 1978·Granted Dec 30, 1980·8 cites·1 claims
- 2062USD302952SMicrowave and passive infrared intrusion detectorNAPCO SECURITY SYSTEMS INC·Filed 1986·Granted Aug 22, 1989·10 cites·1 claims
- 2161US4498075AFault indicator apparatus for a multi-zone intrusion systemNAPCO SECURITY SYSTEMS INC·Filed 1982·Granted Feb 5, 1985·25 cites·12 claims
- 2261US4064509AIntrusion detection systems employing automatic sensitivity adjustmentsNAPCO SECURITY SYSTEMS INC·Filed 1976·Granted Dec 20, 1977·15 cites·11 claims
- 2360US6198389B1Integrated individual sensor control in a security systemNAPCO SECURITY SYSTEMS INC·Filed 1999·Granted Mar 6, 2001·32 cites·7 claims
- 2455US6494425B2Apparatus and method of installing an alarm sensor to a corner wallNAPCO SECURITY SYSTEMS INC·Filed 2001·Granted Dec 17, 2002·5 cites·14 claims
- 2554US6177925B1Customized overlay template for alarm control panel keypadNAPCO SECURITY SYSTEMS INC·Filed 1998·Granted Jan 23, 2001·27 cites·5 claims
- 2649US4361740ASeismic sensor apparatusNAPCO SECURITY SYSTEMS INC·Filed 1981·Granted Nov 30, 1982·7 cites·9 claims
- 2745US4156235AApparatus for activating or deactivating an intrusion detection system from a plurality of remote locationsNAPCO SECURITY SYSTEMS INC·Filed 1978·Granted May 22, 1979·8 cites·10 claims
- 2840US6606777B2Method of installing an alarm sensor to a corner wallNAPCO SECURITY SYSTEMS INC·Filed 2002·Granted Aug 19, 2003·0 cites·4 claims
- 2940US6606776B2Apparatus for installing an alarm sensor to a corner wallNAPCO SECURITY SYSTEMS INC·Filed 2002·Granted Aug 19, 2003·0 cites·22 claims
- 3040US5008840AMulti-zone microprocessor fire control apparatusNAPCO SECURITY SYSTEMS INC·Filed 1988·Granted Apr 16, 1991·18 cites·20 claims
- 3139US5764143ACombination temperature unit/intruder sensor utilizing common componentsNAPCO SECURITY SYSTEMS INC·Filed 1997·Granted Jun 9, 1998·10 cites·20 claims
- 3235US4667183AKeyboard hold-down functions for a multi-zone intrusion detection systemNAPCO SECURITY SYSTEMS INC·Filed 1985·Granted May 19, 1987·10 cites·20 claims
- 3330US4164736AApparatus for disabling an alarm after a predetermined operating periodNAPCO SECURITY SYSTEMS INC·Filed 1978·Granted Aug 14, 1979·1 cites·10 claims
- 3424US4804942AVerifying automatic line integrity diagnostic (V.A.L.I.D.) apparatus and methods for intrusion detection systemsNAPCO SECURITY SYSTEMS INC·Filed 1987·Granted Feb 14, 1989·2 cites·10 claims
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