Matches 101 - 150 out of 335 < 1 2 3 4 5 6 7 >
Match Document Document Title
6094140 Portable alarm system  
A portable alarm system for alerting a central station of an emergency. The portable alarm system includes a central unit for monitoring a desired area and a remote control unit for activating and...
6087937 Security device  
An apparatus for inhibiting the theft of an electronic device includes a processor unit and a display device for displaying operational output from the processor. A receiver unit is included within...
6087938 Outdoor intrusion detector  
An intrusion detection assembly including an intrusion detector including an inner housing, a detector disposed within the inner housing and a lens for focusing light from outside the inner housing...
6082894 Temperature and passive infrared sensor module  
A temperature and passive infrared sensor module in which a temperature sensor is mounted so as to not be adversely affected by heat generating electrical components of the sensor module. One...
6078253 Occupancy sensor and method of operating same  
A multiple sensing technology-based occupancy sensor. Ultrasonic and infrared sensors are used to produce first and second occupancy estimator signals that are combined using a fusion based...
6061609 Electrical power distribution monitoring system and method  
An electrical power distribution monitoring system is provided for a power distribution line having a plurality of sections with a plurality of electrical loads connected to the power distribution...
6049274 Portable security system  
A portable security system 10 includes a control circuit 12 electrically connected with a motion sensor 14, an audible alarm 16 and a visual alarm 18. These components are held within a housing 20...
6037594 Motion detector with non-diverging insensitive zones  
A passive infrared motion detector that creates a detection pattern with non-diverging insensitive zones. The sensing elements are of alternating polarity and each has a width w. An optical...
6034602 Computer monitor switch  
A computer monitor system including an infrared motion detecting switch that deactivates the monitor after a predetermined delay during which no movement is detected in the vicinity of the monitor....
6031456 Detector  
A detector that can detect an obstacle in a detection field with simple configuration and at low cost is provided. In the detector 10 having a base 11 to be mounted on a ceiling, a wall, or the...
5980123 System and method for detecting an intruder  
A system and method for detecting an intruder into an area to be guarded is provided. The system includes a plurality of detection units, each of the plurality of detection units having at least...
5971597 Multifunction sensor and network sensor system  
A multifunction sensor provides a plurality of parameter sensors in one sensor module which can interface with and control operation of one or more processor control systems in an occupied space...
5966075 Motion-sensitive bird repelling device  
A motion-sensitive bird repelling device comprises a cylindrical shaped housing, and a plurality of spike legs extending downwardly from the bottom thereof for securing the housing to a garden or...
5942976 Passive infrared intrusion detector and its use  
A passive infrared intrusion detector for the detection of infrared body radiation includes a sabotage detector, in particular for detecting spraying of the entrance window of the intrusion...
5923250 Size discriminating dual element PIR detector  
A dual element PIR detector for a security system uses a series of beams in selected areas to limit the amount of radiation received from small domestic pets. A series of alternating beams define...
5923252 Audio/visual marketing device and marketing system  
The present invention relates to a device for delivering audio and/or visual messages for marketing purposes. The device comprises a detection means to detect that a person is present within a...
5920259 Motion detection with RFI/EMI protection  
A motion sensor has a parasitic response to at least one of radio frequency (RF) or electromagnetic (EM) impulse signals. The motion detection circuit for security systems has a dummy RF receiver...
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...
5867099 Motion sensing, lighting and alarming system  
A motion sensing, lighting and alarming system includes a mounting base, a motion sensor and alarm housing pivotally mounted to the mounting base for receiving motion sensor and audible alarm...
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...
5839821 Flashlight with forward looking sensing of thermal bodies  
A flashlight includes a light source and a detector for detecting emissions from the surroundings. Depending on the position of a switch, the output of the detector is channeled through either a...
5818337 Masked passive infrared intrusion detection device and method of operation therefore  
A passive infrared intrusion detection device uses a dual element pyroelectric detector and a housing for surrounding and containing the dual element pyroelectric detector. The housing has a...
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...
5796353 Fault monitoring event detection device  
A combined technology event detection device for detection of an event such as movement and/or body temperature, such as an intrusion detection device. The event detection device includes: a...
5793286 Combined infrasonic and infrared intrusion detection system  
An intrusion and alarm sending arrangement having at least one motion sensing device and a first motion signal threshold device has an input connected to said motion sensing device for generating a...
5793288 Intrusion alarm with independent trouble evaluation  
An arrangement and method for processing signals from infrared microwave and/or ultrasonic intrusion detectors is disclosed which allows the signal to be processed at different amplitude levels to...
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...
5781108 Automated detection and monitoring (ADAM)  
A monitoring and detection system that continually monitors a person(s) presence passing through areas such as rooms, homes, buildings and the like. The system can include multiple operating modes...
5764145 Capacitive detector device and alarm system  
A capacitive detector is provided which includes an antenna for detecting small capacitive changes in an electric or electromagnetic field surrounding the antenna, and particularly to an alarm...
5764143 Combination temperature unit/intruder sensor utilizing common components  
A combination temperature unit/intruder sensor is described wherein the thermistor used for adjusting the sensitivity of a passive infrared detector in a microprocessor of the unit is also used for...
5764146 Multifunction occupancy sensor  
A multifunction passive infrared occupancy sensor functions as an occupancy sensor for security systems and also as an occupancy sensor for energy management control systems. The occupancy sensor...
5745035 Motion detecting system  
A motion detecting system including a plurality of transmitter housings. A plurality of motion detector transmitter mechanisms are situated in each of the transmitter housings. Each motion detector...
5726449 Detecting apparatus and measuring method of warm object  
A warm object detector that includes an infrared object detector and an ultrasonic object detector. A thermal image signal processor obtains thermal object information representative of a warm...
5717203 Infrared motion detector with 180 ° detecting range  
A detector assembly for giving an infrared sensor a detecting range of about 180° includes a semi-cylindrical focusing lens and a pair of reflective mirror surfaces which is positioned behind the...
5701117 Occupancy detector  
The present invention relates to an occupancy detector device that is capable of regulating the on/off status of electrical appliances, such as lights, depending on the presence of people in a...
5684458 Microwave sensor with adjustable sampling frequency based on environmental conditions  
An apparatus and method for varying the sampling frequency of a Doppler effect device, based on environmental conditions, is described comprising: (i) a transmitter for transmitting energy into a...
5683084 Detection device  
A casino dolly for use in a roulette game includes sensors, preferably using passive infra red detection, to detect the presence of a hand or movement of chips in an area around the dolly. When the...
5682134 Method of operating a device for monitoring the interior of an automotive vehicle  
A method of operating a system for monitoring the interior of a motor vehicle in which a rest signal amplitude is measured for the acoustic receiver or receivers in the absence of sound and is...
5682135 Motor vehicle security system  
An automotive security system in which an infrared motion detector in the handle recess of a door of the vehicle detects the incipient engagement of the handle by an authorized user to trigger the...
5673022 Motion sensor/photoelectric light sensor plug-in receptacle  
A motion sensor and photoelectric light sensor activated plug-in type electrical receptacle which conveniently plugs into a standard power outlet is disclosed. The device allows non-motion detector...
5670945 Self-monitoring hand-sanitizing station  
A self-monitoring hand-sanitizing station having a basin capable of holding an antiseptic solution to be situated near the entrance to a food handling area. A first proximity detector determines...
5670943 Pet immune intruder detection  
A passive infra-red, pet immune intruder detector includes upper and lower fields-of-view or zones. The detector is less sensitive to infra-red targets in the lower zones, compared to the upper...
5668539 Thermal emitted radiation detecting device  
A thermal emitted radiation detecting device is configured to detect objects in visual blind spots of a vehicle. A low cost differential detector is used which is sensitive to temperature change....
5662411 Motion activated light fixture with fixed sensor  
A motion activated light fixture has a housing comprised of a canopy, a base formed integral with the canopy and at least one illumination source mounted on the housing. The housing has a centrally...
5652568 Wall outlet alarm and chime  
A security device providing alarm and chime units is an inexpensive and unobtrusive system which the typical homeowner can easily install and operate. The device includes a housing having a front...
5652567 Adjustable zone security system  
Security systems which include an adjustable structure and a motion detector which detects changes in electromagnetic energy from within a zone of protection are described. The structure has a base...
5646594 Decorative remote lighting apparatus  
Fresnel lenses are incorporated into bear's paws of a child's toy teddy bear. The Fresnel lenses cover infrared detectors, and gather infrared energy and focus it onto the infrared sensors. The...
5640143 Occupancy sensor and method of operating same  
An occupancy sensor that provides improved performance by the inclusion of a microprocessor that controls the sensing transducers and processes the received signal to optimize desired detection...
5634846 Object detector for air conditioner  
An object detector for an air conditioner has a signal detection input unit in which a light block is provided between a pair of Fresnel lenses spaced in parallel by a predetermined distance on a...
5629676 Alarm system  
A system for detecting intrusion into a protected area by virtue of a change in detected infrared energy from an ambient level, and for generating an alarm signal in response thereto includes a...
Matches 101 - 150 out of 335 < 1 2 3 4 5 6 7 >