US 2016O232774A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2016/0232774 A1 Noland et al. (43) Pub. Date: Aug. 11, 2016 (54) SYSTEMAND METHOD OF AUTOMATED Publication Classification GUNSHOT EMERGENCY RESPONSE SYSTEM (51) Int. Cl. G08B 2L/04 (2006.01) (71) Applicants: Bryan Lee NOLAND, Tulsa, OK (US); GSB 2.5/10 (2006.01) Frank Z. SON, Woodward, OK (US) GSB 25/06 (2006.01) (52) U.S. Cl. (72) Inventors: Bryan Lee Noland, Tulsa, OK (US); CPC ............ G08B 21/0438 (2013.01); G08B 25/06 Frank Z. Patterson, Woodward, OK (2013.01); G08B 25/10 (2013.01) (US) (73) Assignee: OnAlert Technologies, LLC, Tulsa, OK (57) ABSTRACT (US) A threat sensing system is provided including, in some Appl. No.: 15/023,235 aspects, a plurality of threat sensing devices distributed (21) throughout a school or facility, with each of the threat sensing (22) PCT Fled: Feb. 26, 2014 devices comprising one or more acoustic sensors, one or more gas sensors, and a communication circuit or communication (86) PCT NO.: PCT/US14f18782 device configured to output sensor data to a system gateway. The system gateway is configured to receive and process the S371 (c)(1), sensor data output from the threat sensing devices and deter (2) Date: Mar. 18, 2016 mine whether the processed sensor data corresponds to one of a predetermined plurality of known threats (e.g., a gunshot) Related U.S. Application Data and, if so, to communicate the existence of the threat, the (60) Provisional application No. 61/850,934, filed on Feb. processed sensor information, and/or predetermined messag 26, 2013, provisional application No. 61/900,472, ing information to one or more recipient devices (e.g., first filed on Nov. 6, 2013. responders, dispatchers). 20 14 16 Patent Application Publication Aug. 11, 2016 Sheet 1 of 23 US 2016/0232774 A1 14 16 10 FIG. 1A 10 FIG. 1B FIG. 1C Patent Application Publication Aug. 11, 2016 Sheet 2 of 23 US 2016/0232774 A1 1. 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To Law Enforcement and Emergency Medical Responders & Dispatcher 9 First Responders' Mobile Dewices 99 e Police Car and Ambulance Laptops a Name and Address of School & Schematic of School Showing Location of Shooters) 101 a list Nerber of Shooters e identifyShooters).' Weapon Type a Send Update Messages. Every Time Additional Shots Are Fired FIG. 2B Patent Application Publication Aug. 11, 2016 Sheet 7 of 23 US 2016/0232774 A1 Sealises is S.C. SSSSSS Eispatcher's - Eiserges. 33:3gesses Peer-to-peer vessaging Seas * Swiss “, .*.x. 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No. 7,203,132, incorporated herein by ref CROSS REFERENCE AND PRIORITY CLAIM erence in its entirety, discloses an acoustic event location and 0001. The present application claims priority to U.S. Pro classification system comprising an array of at least two visional Patent Application No. 61/850.934, filed on Feb. 26, acoustic transducers arranged spaced from one another, a 2013 and U.S. Provisional Patent Application No. 61/900, central data processing unit for receiving signals from the 472, filed on Nov. 6, 2013, each of which is incorporated by acoustic transducers and processing the signals to determine reference in its entirety herein. an event type and location, and an internet or LAN connection for transmitting event type and location data to a third party, FIELD OF THE INVENTION wherein the central data processing unit uses a DSNN to determine the event type and generalized cross correlation 0002 The present threat sensing system 100 relates gen functions between microphone pairs to determine the event erally to gaming apparatus and methods for emergency location. response systems and, more particularly, to emergency 0009 U.S. Pat. No. 7,411,865, incorporated herein by ref response systems adapted to detect gunshots. erence in its entirety, discloses a system and method for archiving and retrieving gunshot detection and location infor BACKGROUND OF THE INVENTION mation from an array of remote sensors and preserving audio 0003 School shootings, such as those at Columbine and information Surrounding a gunshot event for later review or Sandy Hook, plague the national consciousness and highlight analysis. deficiencies in preparedness and response to such tragedies. (0010 U.S. Pat. No. 7,688,679, incorporated herein by ref The present concepts seek to provide more effective means to erence in its entirety, discloses a system for locating and protect our children and teachers. Existing technology, devel identifying an acoustic event, Such as gunfire, employing a oped for military applications and environments, is not suited plurality of wearable acoustic sensors, with each acoustic for application in schools, nor are they affordable to civilians. sensor having a display associated therewith for displaying 0004. In a conventional gunshot locating system, a plural information concerning the acoustic event to a user. The ity of sensors are situated in the field, usually at fairly regular sensor includes a microphone for receiving acoustic informa intervals along an x-y grid. Each sensor includes a micro tion, an A/D converter, a processor for processing the digi phone and, presumably, an amplifier to produce an audio tized signal to detect a gunshot and determine a time of signal. The audio signal is then carried by a dedicated tele arrival, a GPS receiver for determining the position of the phone line to a central location where the Sound is processed. acoustic sensor, and a network interface for bidirectional Upon detecting a gunshot from the processed audio, relative communication with a system server. times of arrivals at the central location are processed to deter (0011 U.S. Pat. No. 7,961.550, incorporated herein by ref mine a location of the Source of the gunshot. erence in its entirety, discloses a systems and method for 0005. In another known method for identifying the loca processing signals, particularly gunshot acoustic signals, the tion of a gunshot, a special sensor having several micro method including transforming initial bullet data associated phones arranged in a geometric array is used and a radial with one or more sensors into a set of discrete pulses, dividing direction can be determined by measuring the differences in the discrete pulses into pulse Subsets, generating, for the arrival times at the various microphones.