572results about "Burglar alarm mechanical vibrations actuation" patented technology

An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received RF activation signal, the wireless microphone is automatically switched on to capture (and transmit back to the in-car video system) an audio soundtrack that accompanies the images captured by the car-mounted video camera. A wireless microphone controller mounted in the car transmits the RF activation signal to the wireless microphone. The wireless microphone controller is arranged to transmit the RF activation signal when the video recording device starts recording. In an illustrative embodiment of the invention, the wireless microphone receives information, including a confirmation that the video recording device is recording, from an RF information signal received from the wireless microphone controller mounted in the car. The wireless microphone displays the information to the officer on a display screen. The wireless microphone sounds an audible alert when it receives the RF activation or information signals.

An image-taking apparatus includes an image-pickup element having a plurality of pixels; a control section selectively performing a first image-taking operation using the image-pickup element or a second image-taking operation at a higher pixel number or a lower frame rate than for the first image-taking operation; and a detecting section detecting a state of an image-taking object. The control section performs the first image-taking operation when the state of the image-taking object detected by the detecting section is within a predetermined range, and performs the second image-taking operation when the state of the image-taking object detected by the detecting section is outside the predetermined range.

An electric field proximity detector capable of detecting partially conductive or conductive objects regardless of their impedance to circuit ground. The detector has a sensor with a transmitting electrode, a receiving electrode, and at least one circuit ground electrode preferably arranged in a bulls-eye configuration with the ground electrode between the transmitter and receiver electrodes. With appropriate sizing, upon the approach of an object, a signal received by the receiving electrode decreases, at least until the object is within a threshold distance of the sensor. The size and positioning of the ground electrode further reduces the effects of stray capacitance.

Systems and methods of a security system are provided, including detecting, by a sensor, a sound event, and selecting, by a processor coupled to the sensor, at least a portion of sound data captured by the sensor that corresponds to at least one sound feature of the detected sound event. The systems and methods include classifying the at least one sound feature into one or more sound categories, and determining, by a processor, based upon a database of home-specific sound data, whether the at least one sound feature is a human-generated sound. A notification can be transmitted to a computing device according to the sound event.

A video monitoring device, comprising: receiving means for receiving a video stream from a video source; manually operable means for setting a detection mode among at least two modes, the detection mode being solely set for the video source; motion detection means for detecting motion in the video stream in accordance with the detection mode set by said manually operable means, said motion detection means obtaining and computing a set of images from the video stream according to the detection mode; and output means for outputting the result regarding to the motion detected by said detection means.

A method of identifying incidents using mobile devices can include receiving a communication from each of a plurality of mobile devices. Each communication can specify information about a detected sound. Spatial and temporal information can be identified from each communication as well as an indication of a sound signature matching the detected sound. The communications can be compared with a policy specifying spatial and temporal requirements relating to the sound signature indicated by the communications. A notification can be selectively sent according to the comparison.

An anti-theft system for protecting a vehicle exhaust component (4) is described. The system includes a sensor (1) configured to monitor vibrations associated with a vehicle exhaust system (5)and a controller (2) arranged to monitor a signal from the sensor (1). The controller (2) is configured to generate an alarm event if the signal from the sensor includes characteristics indicative of vibrations associated with an attempted theft of the vehicle exhaust component (4).

A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultrasonic receiver and a pair of acoustic reflectors positioned in a transmitting path of the ultrasonic transmitter and a receiving path of the ultrasonic receiver for generating and detecting the ultrasonic radiation in a broadcast field. The acoustic reflectors preferably comprise cones, conical cross-sections and / or combinations thereof which are integral with the ultrasonic transmitter and the ultrasonic receiver and / or are coupled to a housing structure for positioning the acoustic reflectors in the transmitting and / or receiving paths. The sensor unit also preferably comprises a circuit for driving the transmitter and for detecting motion by detecting changes in the receiver signal. In further embodiments, the system also includes an infrared sensor and is configured to generate a response based on the combination of changes in the receiver signal and a signal form the infrared sensor.

Method of ingress or egress intrusion detection by ultrasound surveillance throughout volumetric multi-area room around a protected object, where the surveyed room is arranged in juxtaposed volumetric closed or open areas that represent central, short-range and long-range echelons of defense-in-depth intrusion protection infrastructure. The used techniques of ultrasound intrusion detection are based on the phenomena of reflection, refraction by edge diffraction, and interference by shadowing of ultrasonic beams. The ultrasonic beam patterns are closely disposed in 2-D curvilinear or polygonal array, or in 3-D curved surface lattice over multilevel substantial openwork frames of different echelons. The informational and processing inter-echelon interrelation is being treated by control software algorithm that features situational logic transition driven by IF-THEN operator. The disclosed method shall enhance the distance of location, trustworthiness and cost-effectiveness of ultrasonic intrusion detection arrangements.

A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultrasonic receiver and a pair of acoustic reflectors positioned in a transmitting path of the ultrasonic transmitter and a receiving path of the ultrasonic receiver for generating and detecting the ultrasonic radiation in a broadcast field. The acoustic reflectors preferably comprise cones, conical cross-sections and / or combinations thereof which are integral with the ultrasonic transmitter and the ultrasonic receiver and / or are coupled to a housing structure for positioning the acoustic reflectors in the transmitting and / or receiving paths. The sensor unit also preferably comprises a circuit for driving the transmitter and for detecting motion by detecting changes in the receiver signal. In further embodiments, the system also includes an infrared sensor and is configured to generate a response based on the combination of changes in the receiver signal and a signal form the infrared sensor.

The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or more sensors adapted to sense the graffiti-making act and transmit a signal representative of the graffiti-making act, and a base unit including electronics adapted to process the signal and determined whether the signal represents a graffiti-making act, and a communication device coupled to the electronics and adapted to communicate to one or more entities that a graffiti-making act has been detected. The method includes sonically detecting the graffiti-making act, and initiating an alarm indicating that the graffiti-making act took place.

Provided is a crisis monitoring system that detects a crisis by identifying a person's emotion from his / her utterance includes an input unit to which an audio signal is inputted, a recording unit which records information necessary to judge a crisis situation, and a control unit which controls the input unit and the recording unit. The recording unit records emotion attribute information, which includes a feature of a specific emotion in an audio signal, and the control unit determines a person's emotion by comparing an audio signal inputted to the input unit with the emotion attribute information, and executes a predetermined emergency processing when it is judged that the determined emotion indicates a crisis situation.

A firearm discharge detection device and alarm system featuring a plurality of detector units placed inside a structure which communicate with a central monitoring unit. Each detection unit will detect the discharge of a firearm in its proximity from decibel levels and duration using on board filters and timers and thereon signal the central monitoring unit. A digitized embodiment may also be used to determine the sound of a firearm using a digitized fingerprint of the sound compared to an library of firearm sounds in onboard memory by a microprocessor. The central monitoring unit will thereupon communicate with all the other detection devices installed to sound an audible and / or visible alarm to occupants to exit. Concurrently the central monitoring unit will communicate the firearm discharge and location to police. An optional directional exit alarm or warning to hide may also be activated.

A method of detecting a particular abnormal sound in an environment with background noise is provided. The method includes acquiring a sound from a microphone, separating abnormal sounds from the input sound based on non-negative matrix factorization (NMF), extracting Mel-frequency cepstral coefficient (MFCC) parameters according to the separated abnormal sounds, calculating hidden Markov model (HMM) likelihoods according to the separated abnormal sounds, and comparing the likelihoods of the separated abnormal sounds with a reference value to determine whether or not an abnormal sound has occurred. According to the method, based on NMF, a sound to be detected is compared with ambient noise in a one-to-one basis and classified so that the sound may be stably detected even in an actual environment with multiple noises.

A barrier alarm device for reducing the number of false alarms that may occur in a home security system. In one embodiment, a barrier alarm device, such as a door or window sensor, determines whether a barrier, such as a door or a window, has been opened, determines whether a human being is in proximity to the door or window inside a monitored premises. If a human being is inside the monitored premises when the door or window is opened, it indicates that the human being is authorized to be inside the monitored premises, and an alarm signal is not transmitted to a central security panel, thus reducing false alarms.

Provided is a crisis monitoring system that detects a crisis by identifying a person's emotion from his / her utterance includes an input unit to which an audio signal is inputted, a recording unit which records information necessary to judge a crisis situation, and a control unit which controls the input unit and the recording unit. The recording unit records emotion attribute information, which includes a feature of a specific emotion in an audio signal, and the control unit determines a person's emotion by comparing an audio signal inputted to the input unit with the emotion attribute information, and executes a predetermined emergency processing when it is judged that the determined emotion indicates a crisis situation.

A dual technology glass breakage detector for a security system that detects the breaking of glass in a window or door without generating false alarms caused by similar types of sounds. The dual technology glass breakage detector includes an acoustic sensor / audio processor for detecting a sound of breaking glass within a premises protected by the security system, and also a second impact sensor mounted on the glass window or door to verify that there was a physical / mechanical impact to the glass window or door before the security system annunciates an alarm signal.

A system (and method) includes a sound monitoring system, a detector for identifying a source of the sound, a computing system for processing the sound to trigger a notification event, and a user interface system for notifying at least one individual responsible for the sound.

A firearm discharge detection device and alarm system featuring a plurality of detector units placed inside a structure which communicate with a central monitoring unit. Each detection unit will detect the discharge of a firearm in its proximity from decibel levels and duration using on board filters and timers and thereon signal the central monitoring unit. A digitized embodiment may also be used to determine the sound of a firearm using a digitized fingerprint of the sound compared to an library of firearm sounds in onboard memory by a microprocessor. The central monitoring unit will thereupon communicate with all the other detection devices installed to sound an audible and / or visible alarm to occupants to exit. Concurrently the central monitoring unit will communicate the firearm discharge and location to police. An optional directional exit alarm or warning to hide may also be activated.

According to some example embodiments, systems, apparatus, methods, computer readable media, and computer program products are provided for implementing a wireless shelf pusher activity detection system. One example apparatus is a monitoring device for monitoring theft or sales activity associated with a product pusher device. The monitoring device may include a sensor configured to detect movement of a pusher member of the product pusher device, a wireless communications interface, and a processor. The processor may be configured to receive at least one sensor signal from the sensor indicating movement of the pusher member, determine a product movement activity type based on characteristics of the at least one sensor signal, and generate, for transmission via the wireless communications interface, a pusher activity message indicating the product movement activity type.

A system (and method) includes a sound monitoring system, a detector for identifying a source of the sound, a computing system for processing the sound to trigger a notification event, and a user interface system for notifying at least one individual responsible for the sound.

The invention discloses a ground wave micro vibration direction servo tracking and monitoring device and a control system thereof. The monitoring device comprises a base, a motor bracket, a motor, a U-shaped bracket and a camera; the control system comprises a micro vibration monitoring sensor, a single chip microcomputer, a chip drive module, the motor, U-shaped bracket and the camera. According to the ground wave micro vibration direction servo tracking and monitoring device and the control system thereof disclosed by the invention, a vibration detection perimeter intrusion alarm system is realized by utilization of an MEMS (Micro electro mechanical system) chip sensing technology; meanwhile, the features of an underground micro vibration source direction can be judged by utilization of a vector ground wave sensor, and an existing ground video monitoring camera can be subjected to servo tracking; compared with the same type of monitoring equipment, the ground wave micro vibration direction servo tracking and monitoring device has the advantages of being reliable in action, novel in structure, wide in work vision (free from monitoring dead angle) and high in response speed.

A system and a method for detecting, locating and identifying incidents of approaching a linear installation (e.g.—buried pipe line, railway, fence etc.), that includes plurality of sensing units positions in an array along the length of the linear installation, at a distance one from each other, wherein each unit includes at least one sensor for sensing seismic or acoustic interference or noise / s (in accordance with the configuration of the system, namely either as buried system or as an above the ground one), and the issuance of a suiting indicating signal; a signal processor for analyzing the signal and comparing it to a cache (data bank) of seismic or acoustic interference or noise signatures that is embedded in the sensor unit; and a communications device for transferring data from the sensor unit to a distant command and control center.

The invention relates to the technical field of special robot systems, in particular to a household security robot system based on wireless communication. The system comprises a robot body and an intelligent control terminal. The robot body is equipped with a mechanical arm and a camera. A base is arranged at the bottom of the robot body. A driving device, a storage battery, a main control unit, a data memory, a sensor unit, a wireless communication unit, a household control unit, an electric quantity detection device, a speech recognition device and an alarm are arranged on the base. A sensor unit comprises an obstacle avoiding sensor and a human body infrared sensor. The speech recognition device comprises a microphone and a sound positioning device. The security robot system has various functions, and is capable of achieving remote control, highly practical and suitable for promotion in the field.

An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received RF activation signal, the wireless microphone is automatically switched on to capture (and transmit back to the in-car video system) an audio soundtrack that accompanies the images captured by the car-mounted video camera. A wireless microphone controller mounted in the car transmits the RF activation signal to the wireless microphone. The wireless microphone controller is arranged to transmit the RF activation signal when the VCR starts recording. In an illustrative embodiment of the invention, the wireless microphone receives information, including a confirmation that the VCR is recording, from an RF information signal received from the wireless microphone controller mounted in the car. The wireless microphone displays the information to the officer on a display screen. The wireless microphone sounds an audible alert when it receives the RF activation or information signals.

A dual sensor intruder alarm (DSIA) for detecting an intruder in a security zone monitored by the DSIA comprising: a PIR sensor; an additional sensor, and a controller that determines an operating difference between the ambient temperature and a normative surface temperature of an intruder in the security zone; wherein if the operating difference is equal to or greater than a predetermined threshold difference, the controller determines whether an intruder is present in the security zone using signals from both the PIR sensor and the additional sensor and if the operating difference is less than the predetermined threshold difference, the controller uses signals from the additional sensor but not from the PIR sensor to determine presence of an intruder.

An alarm system having the capability to self-adjust or self-calibrate itself is disclosed. The system includes an alarm controller and at least one sensor that generates a signal that corresponds to the magnitude of a detected event. The signal evaluator is part of the alarm controller and receives the magnitude signal from the sensor. The signal evaluator compares the magnitude signal to a user-defined or preset alarm sensor sensitivity threshold and generates an alarm signal if the magnitude signal exceeds the alarm signal sensitivity threshold. If repeated alarm signals are generated, an alarm threshold adjuster will adjust the sensor sensitivity threshold to a point where repeated magnitude signals will be ignored. The system will reset itself to the original user-defined or preset sensor sensitivity threshold levels after a predetermined time of no alarm signal generation. The alarm signals generated will activate an alarm annunciator, which generates an alarm.

The invention discloses a portable intelligent alarm fence, and belongs to the technical field of a safety protection appliance. The portable intelligent alarm fence comprises a plurality of vertical rods, an entrance guard module and a host computer. Two adjacent vertical rods are connected through arrangement of a telescoping band, the telescoping bands are arranged inside the vertical rods, processors are arranged at lower positions inside the vertical rods, the processors are respectively electrically connected with cameras, acousto-optic alarm modules and distance measuring sensors, the processors communicate with the host computer through a wireless network, and the vertical rods are also internally provided with rechargeable batteries. According to the invention, the ultrasonic distance measuring sensors carry out detection by use of a supersonic wave echo ranging principle according to a Doppler effect of a mobile object, human identification is finished by use of an image processing means, and the problems of sensitivity to ambient temperature in human identification and insensitivity to object barriers in the human detection when infrared sensors are used for detecting specific-wavelength infrared rays emitted by a human body are solved.

A system and a method for detecting, locating and identifying incidents of approaching a linear installation (e.g.—buried pipe line, railway, fence etc.), that includes plurality of sensing units positions in an array along the length of the linear installation, at a distance one from each other, wherein each unit includes at least one sensor for sensing seismic or acoustic interference or noise / s (in accordance with the configuration of the system, namely either as buried system or as an above the ground one), and the issuance of a suiting indicating signal; a signal processor for analyzing the signal and comparing it to a cache (data bank) of seismic or acoustic interference or noise signatures that is embedded in the sensor unit; and a communications device for transferring data from the sensor unit to a distant command and control center.