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5999090 |
Alarm sensor and antenna arrangement
A microwave frequency Doppler vehicle intruder alarm comprises an oscillator 3, a mixer 2 and an amplification stage 4, 5 having its output applied to a low-pass filter 7, whose output is split...
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5986549 |
Position and movement reasonant sensor
An object sensing system (10) employs a resonant sensor (20) that receives drive energy coupled from an oscillator (12) operating at a frequency equal or close to the resonant frequency of the...
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5977871 |
Alarm reporting system
A controlling interface unit is linked to a plurality of event sensors associated with a premises. There is at least one manner of establishing communication, using wired communication lines or...
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5969608 |
Magneto-inductive seismic fence
An intrusion detector has buried sensor modules arranged along a perimeter o sense seismic vibrations caused by intrusions within the area defined by the perimeter. The sensor modules transmit data...
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5966090 |
Differential pulse radar motion sensor
A pulse Doppler radar motion sensor system and method for sensing target motion within a gated region is provided with approximately constant response versus target distance. The sensor includes a...
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5966074 |
Intruder alarm with trajectory display
Image data obtained from cameras or the like of a monitored are abstracted into a set of trajectories which may be displayed and used for referencing images or activating alarms based on trajectory...
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5963135 |
Proximity detecting device
The present invention relates to a proximity detecting device for detecting the presence of an object in a target area, comprising a low voltage power source, a circuitry for generating electrical...
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5956424 |
Low false alarm rate detection for a video image processing based security alarm system
Apparatus (10) and a method for visually monitoring a scene and detecting motion of an intruder within the scene. A camera (C) continually views the scene and produces a representative signal. A...
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5939986 |
Mobile machine hazardous working zone warning system
A warning system is provided for a mobile working machine to alert an individual of a potentially dangerous condition in the event the individual strays into a hazardous working zone of the...
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5933082 |
Passive alarm system for blind and visually impaired individuals
The device assists those who are visually handicapped and, in particular, warns blind or visually impaired travellers that they have entered a potentially dangerous area proximal to the edge of...
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5923248 |
Alarm phone
An alarm phone for dialing a predetermined phone number to deliver a predetermined code upon activation by a detection event. The alarm phone includes a motion detector which, when activated,...
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5923731 |
Telephone monitoring and alarm device
A telephone monitoring and alarm apparatus which has a telephone line sensing means which determines whether an incoming telephone line is cut or busy and alerts a user as to the status of the...
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5917433 |
Asset monitoring system and associated method
The asset monitoring system and associated method includes an asset monitor for providing a remotely located central station with information relating to a container, such as a trailer, both during...
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5917409 |
Process and system for reducing motion-type false alarm of security alarm system
A process for reducing motion-type false alarm of security alarm system includes the steps of merely activating the local warning system to produce local audio and/or video warning signals when any...
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5917410 |
Glass break sensor
The glass break detector uses sampling techniques to a low band and a high band portion of a signal from a transient event to assess whether the bands are random. In addition, an assessment of the...
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5917420 |
Smoke/fire detector for the hearing impaired
An alarm apparatus for shaking a piece of furniture in response to detection of a physical occurrence, such as smoke, fire, CO 2 , or even a burglar, is provided. The apparatus includes a detector...
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5914655 |
Self-compensating intruder detector system
A method of operating an intruder detector system comprising deploying plural intruder sensors in or adjacent a region to be protected, transmitting signals from each sensor to a processor, the...
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5912625 |
Wave sensor control system
A control system utilizes generated acoustic or electromagnetic waves within a deformable wall wave guide. The wave guide is located in the surveillance area and, upon the wave guide being deformed...
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5912620 |
Combined type intrusion and attack sensing means
A combined type intrusion and attack sensing device was a microwave oscillation and Doppler detect circuit an intrusion band-pass filter, an attack band-pass filter, two comparators, two alarm...
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5912619 |
Security system using optical sensors
A security system (40) monitoring displacement between a first, fixed unit (20) and a second, movable unit (21) normally in close proximity to each other. A code generator (51) in the first unit...
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5907288 |
Access code processing for a security system
A security system includes a control panel for controlling the operation of the security system and a keypad for communication with the control panel by entry of access codes by key-presses of keys...
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5898370 |
Security monitoring system and method
An arrangement for monitoring the security status of an object includes affixing to the object a passive two way communication circuit such as a frangible radio security tag or smart label. The tag...
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5892446 |
Wild animal deterrent device
An animal deterrent device includes an infra-red heat and motion sensor which senses an animal in a predesignated area, the motion sensor having sensitivity adjustments for motion detection and...
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5886632 |
Passive infrared motion detection circuit having four comparators
A simplified analog passive infrared motion detection circuit operates using only four operational amplifiers. A first amplifier is used as part of a bandpass amplifier circuit, a second is used in...
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5886631 |
Barking dog sound alarm system
A new barking dog sound alarm system for scaring away intruders using the menacing sounds of a dog. The inventive device includes a microphone for detecting noise, a device to compare the detected...
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5880954 |
Continous real time safety-related control system
A safety-related control system (SRCS) designed to safeguard personnel operating hazardous production equipment. The SRCS integrates the safety-related part of a machine into one homogenous system...
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5877684 |
Sensor equipped portable alarm device which can be used in conjunction with external alarm device
A sensor equipped portable alarm device that also has an input port for connecting to an external sensor so that either the internal sensor or the external sensor can be selected using a sensor...
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5877683 |
Home alarm system
A home alarm system for use by an authorized user while in the home, manual input commands to the system being required by the user as events around the home might occur for proper system...
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5878381 |
System and method for collecting data on tissue consumption
A system and method for collecting data on individual and aggregate use of toilet tissue or other types of rolled absorbent paper in a public washroom includes a sensing system for sensing one or...
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5872516 |
Ultrasonic transceiver and remote controlled devices for pets
An ultrasonic transceiver device and remote output devices controlled by the transceiver for use by domestic pets. The transceiver utilizes a fixed interval edge detect modulation system to lock...
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5872514 |
Alarm device with door/window cross-bar
An alarm device with cross-bar that includes a telescoping cross-bar having a spring tensioning mechanism; an alarming circuit having a pair of contact points extending out from a contact point end...
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5864184 |
Interface circuitry for facilitating installation of a control device
Interface circuitry for facilitating the installation of a control device is presented. One embodiment includes an interface circuit with first and second terminals that can be coupled...
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5858500 |
Tamper respondent enclosure
The method is disclosed for producing a tamper respondent enclosure (10). A flexible tamper respondent laminate (32) is folded to define an inner enclosure (26) which is then potted within an outer...
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5854902 |
Video data capture and formatting in intelligent video information management system
Signals from sixteen video cameras are selectively captured using three video decoding circuits. Each decoding circuit is selectively connectable to each camera. Each of two A/D converters is...
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5854588 |
Home security system for detecting an intrusion into a monitored area by an infrared detector
A security system includes an intrusion detector having a transmitter coupled with a portable receiver to alert a homeowner or the like that an intrusion has taken place or occurred within a...
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5852402 |
Intrusion detection system
A taut wire fence system comprises wire-supporting anchor posts that maintain the taut wires of the system in tension. Sensor posts having tension sensors mounted therein are positioned between...
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5838234 |
Method and device for sensing, identifying and protecting goods, particularly from theft
A method comprising combining each object with a self-contained tag containing a power source and a transmitter controlled by a sensing device to switch from a stand-by condition to an on condition...
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5831528 |
Detection of glass breakage
A glass shattering detector and method for detecting breaking glass take advantage of the characteristics of high frequency components of a glass shattering signal which can be statistically...
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5831531 |
Anti-theft method for detecting the unauthorized opening of containers and baggage
A simple trip-wire or magnetic circuit associated with a shipping container provides continuity, which is detected electrically. Simply, if continuity is disabled by a forced entry of the...
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5828303 |
Apparatus for facilitating instruction of electronic security and electronic access control
An apparatus is disclosed for facilitating instruction of electronic security and electronic access control, wherein the apparatus of the present invention may be used to provide instruction in...
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5821870 |
Monitored security switch assembly
A monitored security switch assembly includes a switching system, a transmission line, and a monitoring system. The switching system has a load element. The security switch assembly uses an...
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5822077 |
Determination unit for determining, through detecting information associated with external object, whether or not external object will use functional apparatus or who is external object, so as to provide appropriate service
A determination unit is used for a functional apparatus, for determining whether or not an external object will use the functional apparatus. The determining unit comprises a detecting unit, a...
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5815093 |
Computerized vehicle log
A vehicle accident recording system employs a digital camera connected to a controller, a non-volatile memory, and an accident-sensing interrupter. The controller accesses images from the digital...
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5815067 |
Single control wire device for HID dimming
A dimming control for a high intensity lighting system uses a single additional control wire for control of the dimming function. The lighting system operates on multi-phase power. A transmitter...
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5814902 |
System and process for control of energy use by direct observation of occupancy
A system and process for control of energy use in a rented room based on direct occupancy observation. The system is designed to control up to 100% of the power usage. The system includes: a power...
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5804769 |
Telephone line protection device
A wire protection device especially for telephone lines mounted on an outside building wall including a pair of channel-shaped members adapted to entrap and protectively enclosure at least the...
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5805064 |
Security system
A security system control system that arms a system independent of a particular sequence of key inputs. A security system control system with a pseudo alphanumeric display to display system status...
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5801625 |
Auxiliary control device for security alarm system
An auxiliary control device for a security alarm system installed in a commercial facility includes a control circuit for bypassing the electrical connection between the alarm control panel and the...
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5796341 |
Safety and security system for work area
A safety device and an alarm system controller of a workspace providing bidirectional communication for determining whether the required safety devices are used by the work persons entering the...
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5790040 |
Battery-operated security system sensors
A security system sensor has a lens lying in a forward plane that focuses received energy to a focal point that is internal to the sensor. A sensing element is located at or near the focal point of...
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