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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US402179615 Oct 19753 May 1977Detect-All Security Systems, Inc.Pushbutton purmutation code control means for a security alarm system
US409018222 Mar 197616 May 1978Security system employing radio transmitter and receiver
US41480195 Mar 19753 Apr 1979Thomas Industries Inc.Security alarm transmission system
US415754013 Jul 19765 Jun 1979Anatronics CorporationWireless alarm system
US425703828 Feb 197917 Mar 1981Notifier CompanyCoded security system
US428139414 Nov 197928 Jul 1981GTE Laboratories IncorporatedMonitoring and signalling system including apparatus for processing binary signals having multiple messages
US428633114 Nov 197925 Aug 1981GTE Products Corp.
GTE Laboratories Inc.		Monitoring and signalling system including apparatus for processing and analyzing signals produced by activity monitoring sensors
US430151514 Nov 197917 Nov 1981GTE Products Corp.
GTE Laboratories Inc.		Variable timing system
US433852614 Apr 19806 Jul 1982Multi-ElmacGarage door operator with gas sensor
US436080114 Apr 198023 Nov 1982Stanley VemcoHome security and garage door operator system
US43832424 Jun 197910 May 1983TMX Systems LimitedAutomobile anti-theft system
US438634231 Mar 198131 May 1983Intrusion alarm system
US442206818 Jun 198120 Dec 1983Intrusion alarm system for preventing actual confrontation with an intruder
US453111526 Jul 198223 Jul 1985Emhart Industries, Inc.Remote alarm system
US459183522 Mar 198427 May 1986Remotely activatable alarm system
US463152725 Nov 198023 Dec 1986Universal Security Instruments, Inc.Transmitter-receiver coded security alarm system
US469428211 Oct 198515 Sep 1987Kabushiki Kaisha ToshibaSecurity monitoring system
US473321511 Aug 198622 Mar 1988DELTA Elettronica S.p.A.Remote control apparatus for a property protection device
US475579224 Aug 19875 Jul 1988Black & Decker Inc.Security control system
US477746826 Sep 198611 Oct 1988Rich & Ezer, A Law CorporationAutomobile burglary detecting circuit
US482724426 Feb 19882 May 1989Pittway CorporationTest initiation apparatus with continuous or pulse input
US48334495 Jul 198823 May 1989Home security system
US483551830 Jan 198730 May 1989Active entry delay device
US487199730 Jun 19873 Oct 1989Tech-Age International CorporationProximity sensor apparatus
US488405927 Dec 198828 Nov 1989Lifeline Systems, Inc.Apparatus and method for reporting verification testing of a personal emergency response system
US49010563 Mar 198913 Feb 1990Pittway CorporationTest initiation apparatus with continuous or pulse input
US490860231 Mar 198913 Mar 1990Lifeline Systems, Inc.Apparatus and method of testing a portable held button for emergency response system
US490860421 Sep 198713 Mar 1990Dimango Products CorporationRemotely controlled security system
US499088825 Feb 19865 Feb 1991Baker Industries, Inc.Unitary alarm sensor and communication package for security alarm system
US499478725 May 198919 Feb 1991Robert W. KrattRemote intrusion alarm condition advisory system
US49965176 Apr 198926 Feb 1991Assist, Inc.Household alarm system
US504986730 Nov 198817 Sep 1991Code-Alarm, Inc.Vehicle security apparatus
US507032012 Jun 19893 Dec 1991Alarm system
US514815822 Jan 199015 Sep 1992Teledyne Industries, Inc.Emergency lighting unit having remote test capability
US52353203 Dec 199110 Aug 1993Alarm system
US544997619 Feb 199312 Sep 1995Control unit for controlling a strobe light or the like
US545556225 Mar 19933 Oct 1995Home intruder indicator 2
US546707420 Sep 199314 Nov 1995Detection Systems, Inc.Personal security system with transmitter test mode
US548322313 Feb 19959 Jan 1996Detection Systems, Inc.Personal security system with end-to-end test
US54990141 Jul 199412 Mar 1996Security alarm system
US554377819 Apr 19936 Aug 1996Code-Alarm, Inc.Security system
US556812221 Oct 199422 Oct 1996Dimango ProductsWireless audible indication system with low power signal processing
US557007924 Apr 199529 Oct 1996Home security system for detecting an intrusion into a monitored area by an infrared detector
US557898913 Feb 199526 Nov 1996Detection Systems, Inc.Personal security system with system wide testing
US560449319 Dec 199518 Feb 1997Detection Systems, Inc.Security system transmitter with opposed concave actuators
US561266629 Jul 199418 Mar 1997Dimango Products Inc.Wireless audible indications system
US568010229 Jul 199421 Oct 1997Dimango ProductsRF data communication link for wireless audible indication system
US568011229 Jul 199421 Oct 1997Dimango Products CorporationWireless audible indication system with battery status indicator
US575726712 Dec 199526 May 1998Dimango ProductsBattery-operated receiver for wireless audible indication system
US57573059 Oct 199626 May 1998Dimango ProductsTransmitter for wireless audible indication system
US57740509 Mar 199530 Jun 1998Baumer Holding AGRadio alarm security system
US577405127 Nov 199530 Jun 1998Detection Systems, Inc.Security system with multi-function transmitter
US585458824 Oct 199629 Dec 1998Home security system for detecting an intrusion into a monitored area by an infrared detector
US607825624 Aug 199420 Jun 2000DesignTech International, Inc.Dead-bolt lock monitoring unit and system
US621539618 Mar 199910 Apr 2001Portable motion detector and alarm system and method
US625594426 Dec 19973 Jul 2001Pittway Corp.Remote indication device for use in wireless security systems
US63318166 Nov 200018 Dec 2001IST International Security Technology OyAutomatic control system for security apparatus based on the presence of a user
US638086014 Dec 199930 Apr 2002Portable wireless cellular fire alarm system apparatus and method
US64336991 Oct 200113 Aug 2002Crib gate position indicator
US645970412 Aug 19971 Oct 2002Spectrum Tracking Systems, Inc.Method and system for radio-location determination
US647672427 Apr 20015 Nov 2002Crib gate position indicator
US654207816 Feb 20011 Apr 2003Portable motion detector and alarm system and method
US671071731 Jul 200223 Mar 2004Crib gate position indicator
US673798218 Oct 200218 May 2004Crib gate position indicator
US679834226 Jun 200228 Sep 2004Honeywell International Inc.Security system with remote indication device
US68289098 Apr 20027 Dec 2004Guardit Technologies LLCPortable motion detector and alarm system and method
US683207231 Aug 200114 Dec 2004Inncom International, Inc.Wireless switch
US69404053 Jul 20036 Sep 2005Guardit Technologies LLCPortable motion detector and alarm system and method
US695001823 May 200227 Sep 2005PAS Alert, LLCAlarm systems, alarm devices, alarm activation methods, alarm system retrofitting methods, and alarm system network establishment methods
US71130912 Jul 200426 Sep 2006Portable motion detector and alarm system and method
US722427529 May 200329 May 2007The Chamberlain Group, Inc.Movable barrier operators status condition transception apparatus and method
US722746326 Sep 20055 Jun 2007Alarm systems, alarm system operating methods, and alarm extension devices
US742124713 Dec 20042 Sep 2008Inncom International, Inc.Wireless switch
US75544452 Jul 200430 Jun 2009Portable motion detector and alarm system and method
US758962623 Sep 200315 Sep 2009Xanadoo CompanySecurity system and method
US82177898 Jun 200910 Jul 2012Portable motion detector and alarm system and method
US821779026 May 200910 Jul 2012Portable motion detector and alarm system and method

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