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5612668 |
Vehicle site protection system
A vehicle protection system comprises a sensor, a transmission unit, a control unit and an alarm signalling unit. The sensor is mountable on and capable of detecting interference with a vehicle,...
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5610580 |
Motion detection imaging device and method
A motion detection and imaging method and device 10 for carrying out the method are provided. The device 10 comprises a housing 12 containing a CCD 18 for providing digital image data, a lens 16...
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5602534 |
Electrically conductive housing for an electronic component, especially a deflection sensor and a security fence alarm system for use therewith
An electrically conductive housing completely envelops an electronic component so as to screen the electronic component from electromagnetic radiation whilst permitting movement of the electronic...
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5598042 |
Moveable desktop load controller
A device for controlling power to an electrical load. The device has two components: a portable desktop detector unit and an electrical powerstrip. The desktop detector detects the presence of a...
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5592152 |
Intruder detecting device to be installed in an integrated raised flooring system
An intruder detecting device, which is to be installed in an integrated raised flooring system that includes a floor panel assembly and a plurality of pedestals for supporting the floor panel...
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5592148 |
Safe-distance warning system for EMF generators
The warning system includes, in one embodiment, an antenna which is tuned to an EMF frequency generated by the EMF radiating device. These EMF radiating devices may be televisions, computer...
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5587701 |
Portable alarm system
A portable alarm system is disclosed in which the alarm functions are contained within a portable enclosure, communication is maintained between the enclosure and wireless security contacts placed...
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5587700 |
Portable security alarm unit
The instant device is a portable security alarm unit. It is made up of a housing component containing control electronics, powered by an external power source, a back-up battery connected to the...
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5581237 |
Microwave intrusion detector with threshold adjustment in response to periodic signals
A microwave intrusion detector is provided with a periodic signal detector that identifies periodic signals not typical of an intrusion and adjusts the alarm threshold in response such...
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5581236 |
Methods and apparatus for intrusion detection having improved immunity to false alarms
A multisensor intrusion detection system having greatly improved immunity to false alarms is disclosed. This system employs a first sensor for sensing an intrusion in a volume of space by a first...
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5578988 |
Intrusion detection system having self-adjusting threshold
A dual sensing intrusion detection system has a microwave channel and a PIR channel. The signal from the microwave channel is amplified by an amplifier having a substantially constant gain, and is...
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5578990 |
Intrusion detection alarming device
A device that mounts on the top of each fence post along a security fence and utilizes an alarming arm which produces an electric alarm signal when moved or displaced. When a multiplicity of the...
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5572190 |
Batteryless sensor used in security applications
A batteryless sensor includes either a micro miniature generator/gear train or a piezoelectric crystal to convert a movement of a door or window to an ersatz V cc transient power supply to radiate...
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5563580 |
Aquatic splash detection system
A security system for pools and spas incorporates two distinct sections. The first control means allows for automatic operation and consists of sensors that detect and keep track of the number of...
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5559496 |
Remote patrol system
A system for detecting the presence and passage of vehicle, pedestrian, or other intrusion and/or traffic within one or more monitored areas. The system detects intrusions of nontransparent objects...
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5555454 |
Remote security light signal alert system
A remote alert system includes an electrical signal transmitting unit located at a first location and a receiving unit located at a second location remote from the first location. The signal...
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5555497 |
Charitable contribution centralization system and apparatus
A multiplicity of charitable collection stations are provided with selectors for choosing the charity to which a contribution is destined, a change maker for issuing change if desired, a display...
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5552770 |
Glass break detection using multiple frequency ranges
Apparatus and a method for detecting glass breaking from an impact. Low frequencies are detected that are characteristics of the glass flexing from the impact, and high frequencies are detected...
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5552766 |
Anti-crime security system
An anti-crime security system which provides an entrance and an exit to an establishment, wherein the entrance and exit define an enclosed area, provides sensors to monitor ingress and egress...
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5546071 |
Concealed security system
A concealed security system is disclosed including a security sensor which is disposed in conventional appliances, such as televisions, video cassette recorders, telephones and the like. The...
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5541577 |
Electromagnetic asset protection system
The security of articles, and particularly articles in transit, is checked by detecting the status of a magnetic strip attached to the articles at a strategic location when the strip is subjected...
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5541585 |
Security system for controlling building access
The present invention provides a security system for controlling access of persons through a controlled portal. The portal, such as a door, has a lock mechanism for securing the door. A presence...
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5530430 |
Vibration responsive barbed tape security system
The invention is a barbed tape barrier that includes a tube that acts as a support for the loops of barbed tape. Located within the tube is a fiber optic cable that is vibration sensitive and...
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5528220 |
Anti-graffiti apparatus
An anti-graffiti apparatus is for deterring taggers from performing tagging on private or public property such as freeway sound walls, freeway signs, tunnels, bridges, buildings, and other similar...
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5523741 |
Santa Claus Detector
A children's Christmas Stocking device useful for visually signalling the arrival of Santa Claus by illuminating an externally visable light source having a power source located within said device.
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5524099 |
Intrusion detector operating mode selection system
An intrusion detector operating mode selection circuit sets an intrusion detector operating mode responsive to an encoded acoustic signal. An acoustic signal decoder receives an encoded acoustic...
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5519669 |
Acoustically monitored site surveillance and security system for ATM machines and other facilities
Acoustic surveillance of objects and human traffic in a spatial zone of a financial transaction device is used to detect movement within the zone. Several specific types of detected movement...
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5515030 |
Electronic seal
A reusable electronic seal is provided for detecting whether the contents of a container may have been disturbed. In a preferred embodiment, the electronic seal is used in conjunction with a coin...
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5512738 |
Coded seal
The present invention is directed to a coded seal which allows a device to determine whether unauthorized access to a terminal or other electronic or security device has been made. The code...
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5510765 |
Motor vehicle security sensor system
Sound, vibration and motion are sensed within a motor vehicle to detect glass breakage and unauthorized intrusion into the interior or passenger compartment of the vehicle. Sound and vibration...
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5504473 |
Method of analyzing signal quality
A motion detecting system is disclosed where the signal from the transducer is analysed in a manner to distinguish between actual motion indicative of an intruder, typical noise expected for the...
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5499013 |
Pulse power generator
A mechanical to electrical pulse power generator. Powerful rare-earth magnets (e.g., Neodymium-Iron-Boron, or Samarium-Cobalt) create strong flux fields. These flux fields are used to produce large...
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5493273 |
System for detecting perturbations in an environment using temporal sensor data
A system for detecting perturbations within an environment, comprises: one r more arrays of sensors for providing a series of sensor output signal sets comprising the substantially contemporaneous...
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5483224 |
Security system and method for monitoring security in the vicinity of a location perimeter
A security system and method for monitoring security in the vicinity of a location perimeter is provided. The security system includes security sensors positioned in a detecting relation to the...
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5477212 |
Surveillance camera simulator apparatus
A housing having a plurality of housing cavities therewithin is arranged to effect the flashing of LED bulbs and the emission of an audible tone to effect simulation of a surveillance camera. The...
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5473311 |
Method and apparatus to distinguish human intruder and animal intruder
An intrusion detection device of the dual sensing type has a PIR sensor to generate a PIR signal. The device also has a microwave sensor for generating a microwave amplitude signal. The microwave...
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5463595 |
Portable security system for outdoor sites
A security system (10) suitable for use in monitoring property at an outdoor site that includes a portable housing (12) that supports a motion detector (14) for sensing motion within a detection...
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5461364 |
Intrusion detection device
An intrusion detection device that can be used singly or in multiplicity to immediately and silently alert the user of attempts to climb over a security fencing system. The invention consists of a...
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5461363 |
Alarm apparatus containing security and safety monitors
A safety apparatus for a passage controlled by means of a first member and a second member, has a first device for detecting opening of the passage, a second device for detecting fierce knocking on...
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5459450 |
Presence-detecting system
A system for detecting presences has modules or devices equipped with electronic circuits for the transmission and reception of binary messages by carrier current passing through the normal...
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5457442 |
Remote controlled intruder detetion and warning system
The present invention is a wireless alarm system having a transmitter which operates in conjunction with existing intruder detection devices to provide an electromagnetic signal in response to...
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5455564 |
Intelligent illumination apparatus
A light device which includes a fluorescent lamp may be manually turned on by a switch or may be automatically turned on when a human body is approaching within a predetermined distance and...
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5455561 |
Automatic security monitor reporter
A video camera surveillance system used to monitor areas, during times of inactivity, for threats to safety and security such as the presence of intruders or fire. The system detects the magnitude...
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5450060 |
Motion detection
Apparatus for detecting motion by producing a signal in response to motion, transmitting the produced signal and receiving the transmitted signal which is converted to auditory and electrical...
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5450061 |
Glass break detection using temporal sequence of selected frequency characteristics
Apparatus and a method for detecting glass breaking from an impact. Low frequencies are detected that are characteristics of the glass flexing from the impact, and high frequencies are detected...
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5444431 |
Intrusion monitoring device
A voltage level detector circuit comprises an amplifier for amplifying the electrical output signal from a detection device, a pair of comparators for comparing the amplified electrical output...
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5440498 |
Method for evaluating security of protected facilities
A method for analyzing and optimizing security systems is disclosed. A diagram is prepared which organizes and interrelates elements of the security system. The elements of the security system are...
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5440291 |
Intruder detection system for passageways and the like
The invention is a system for detecting the presence of an intruder in a passageway. In detail, the system includes at least one capacitance probe for mounting on the wall of the passageway, the...
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5438316 |
Fence alarm system with swiveling posts
A wire fence alarm system 10 comprises a plurality of zones in which a wire or set of wires is stretched between two anchor posts. A sensing post includes sensors for detecting deflection of one of...
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5432498 |
Sensing cable
A sensing cable element including a non-uniform cable which is configured so as to substantially vary along its length in its ability to detect mechanical disturbances.
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