Matches 1 - 50 out of 86 1 2 >
Match Document Document Title
7336160 Device for reading out from sensors in the engine compartment of a motor-vehicle  
In a device for reading out from sensors in a motor vehicle, the sensors can be read out particularly easily if each sensor has a transponder, the motor-vehicle has a coil provided for the energy...
7327254 Bulb with sensing function  
A bulb adapted with an infrared sensor includes a LED and a power switch, the switch being turned on to light the LED in the bulb when the sensor detects the heat emitted from a human body and...
7319392 Glassbreak alarm recorder for false alarm verification  
A glass breakage detector ( 100 ) having an acoustic transducer ( 102 ) for sensing first acoustic waves ( 130 ) and for providing a first analog signal ( 110 ) representative of the received first...
7317389 Audio apparatus and monitoring method using the same  
An audio apparatus includes a converter having a sound-output mode in which the converter functions as a sound-output device for converting a sound signal into an audio output and a sound-pickup...
7187280 Alarm system with thin profile  
An alarm system includes a housing that substantially encloses a plurality of sensors and an alarm-signal generator. The housing has a thin profile and may be mountable in various locations, such...
7183912 PIR motion sensor utilizing sum and difference sensor signals  
A passive infrared sensor has two detector elements, each of which has a positive part and a negative part, with each detector element generating respective first and second signals. The signals...
7180416 Time keyed information transmission  
A method and apparatus is described for enabling a single sensor to indicate a greater quantity of information about a sensed event, or the occurrence of many different types of events. A sensor...
7173881 Silent morning alarm  
A alarm system for providing silent notification to a user including an alarm device. The alarm device includes means for generating an alarm signal, and a transmitter connected to the generating...
7158029 Electronic security system  
An electronic security system that would alert a homeowner that someone is attempting to gain access to their home. The system includes a transmitter positionable within a dead bolt housing within...
7151461 Magnetic contact tamper switch for security accessories  
A tamper detection switch is primarily for use in an enclosure of a security system component. The enclosure has a base and a cover that may be repositioned relative to the base. One of the cover...
7151450 Door with a safety antenna  
A door system includes an antenna-based proximity sensor with a releasable electrical connector that enables the sensor to function with a breakaway feature of the door. The sensor includes a...
7123144 Monitored transmitter and receiver system and method for safety devices  
An automatic door opening system utilizing wireless links to communicate from hazard or obstruction sensors to a controller to react to such conditions. The present invention allows the use of...
7075429 Alarm with remote monitor and delay timer  
An alarm apparatus for detecting an intrusion or compromise situation upon critical equipment or private areas. The apparatus detects an unauthorized radio transmitter (like a wireless camera), or...
7064665 Pseudo—random state mechanical switch  
A method for detecting entry into a secure area uses a passive entry detector. The secure area has an access door, having a closed position. The passive entry detector comprises a source of energy...
7057510 Door condition sensor for safes and secured areas  
A door condition sensor for a safe having a door. The sensor has a housing mounted on an inside surface of the door, frame engageable means for abutting the door frame, a driver rotatably mounted...
7026932 Electronic lock-out tag-out safety device  
An electronic lock-out tag-out system comprising a transmitter lock and a portable receiver. One or more switches of the transmitter lock is connected to a utility box or the like and are actuated...
7023341 RFID reader for a security network  
An RFID reader for use in a security network based upon RFID techniques. The RFID reader can use wireless communications to communicate with RFID transponders and other devices in the security...
6989746 Alarm chip and use of the alarm chip  
An alarm chip ( 10 ) and the use of the alarm chip ( 10 ) for giving warning of burglary or undesired entry into buildings, installations or structures, preferably by so-called shell-protection of...
6975227 Method for controlling coming and going personnel, and a system thereof  
A coming and going personnel control system having a high security level by prohibiting a coming person who has dealt with a dangerous substance from entering a facility through a control area is...
6961002 Sonic detection system and method of using the same  
A method of sonically detecting a sonic act such as a graffiti-making act or firearm shot includes providing a sonic act detection system to sonically detect a sonic act and a camera to take an...
6952165 Concealed wireless sensor with external antenna  
A wireless security device, such as a door or window motion sensor, that can be mounted almost entirely within a recess of a door, window or frame, with only the antenna mounted on the surface of...
6853300 Saw cover safety sensing device  
A saw cover safety sensing device comprises a protecting cover; a sensing controller at one side of the protecting cover; a control circuit within the sensing controller; the control circuit...
6831559 Security alarm with remote triggering device  
A security alarm with a wired remote triggering device consists of a triggering switch with two spring blades and a flexible sleeve tube holding both spring blades together. The security alarm with...
6825752 Effortless entry system and method  
The vehicle port control system has a capaciflective sensor, a port, a lock securing the port, and a control unit. The capaciflective sensor senses the presence of objects a predetermined distance...
6759957 Home security system  
A home security system which includes sensors 11 to 18 that detect an alarming situation in different locations inside a facility, cameras 21 to 26 that capture images of different...
6741175 Mass transportation passenger guidance system  
Device for guiding flows of individuals in mass transportation systems, containing at least the following components: A) a guidance system in embarking and disembarking areas interacting with at...
6724304 Security entrance system  
A security entrance system for controlling access from an infeed area ( 98 ) to a protected area ( 100 ) has a structure ( 24 ) defining a chamber disposed between the infeed area, the protected...
6628199 Integrated pharmaceutical package and questionnaire  
A response form containing a means of input that on manual influence can switch a conducting electrical circuit connected to an electronic unit ( 40 ) incorporated into the response form for...
6441733 Method for making security systems more tamper resistant and a security system  
A method for making a security system more tamper resistant involving the step of monitoring an electric reference characteristic in a detection circuit of a security system and generating random...
6353386 Method and apparatus for retrieving lost golf balls  
The invention comprises a golf ball-locating device in the form of a light aluminum hollow cylinder including a high-speed intake fan and an electronic detection circuit. The detection circuit is...
6304177 Switching assembly for an exit alarm lock  
A switching assembly for use with an exit alarm lock. The switching assembly uses two reed switches which must both be closed for the alarm horn to sound. An arm/disarm switch is operated by a...
6292100 Door warning system  
A door warning system comprising a sensor adapted to sense the presence of persons immediately adjacent a first side of a swinging door; an audio or visual alarm responsive to the sensor adapted to...
6278367 Article displacement indication  
A device for indicating/limiting the overall displacement of a movable member from a preset position, wherein the device (1) is selectively positionable to accomodate variation in allowable...
6249224 Latch integrated, tamper resistant, electro-magnetic alarm switch  
An alarm switch assembly includes a housing having first and second surfaces and an opening defined therein that extends from one surface toward the other surface. The opening is further defined by...
6157024 Method and apparatus for improving the performance of an aperture monitoring system  
A monitoring system for use in detecting the presence of an obstacle in or proximate to an aperture. Materials are applied to one or more reflecting surfaces adjacent the aperture, enabling the...
6137403 Sash sensor and method of sensing a sash using an array of multiplexed elements  
A fume hood sash sensor uses multiplexed sensors to measure sash position. The sensor transmitter or receiver elements may be multiplexed. Furthermore, the sensor may employ passive, passive remote...
6067026 Sensor apparatus  
A sensor apparatus for the non-contact monitoring of a predetermined end position of a mechanical element, in particular a door in an aircraft, is provided which comprises a probe, an electronic...
6028515 Motion sensitive control apparatus  
A motion sensitive control apparatus for turning on and turning off electrical devices. The apparatus turns on light sources or electrical devices in the presence of motion of one or more persons....
5936523 Device and method for detecting unwanted disposition of the contents of an enclosure  
A compact, self-contained device for placing inside a package or other enclosure to detect unwanted disposition of its contents. The device includes a sensor for detecting an environmental...
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...
5568123 Child protective cabinet alarm  
A device is mounted inside the interior space defined by a cabinet to alert a supervising adult that a child has opened the cabinet door. The device is mounted so that an outer face of its housing...
RE35268 Door security system  
An exit door security system which employs an electromagnet and armature to lock an exit door comprises an electromagnetic housing and a frame assembly. The housing is pivotally mounted to the...
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...
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...
5254972 Window sealing kit  
A window sealing kit includes plural pairs of upper and lower sealing members mounted between respective upper and lower windows relative to the window frames to effect sealing and maintain...
5243325 Latch gate alarm switch assembly  
A switch assembly having a frame bracket with screw holes designed to permit easy and convenient attachment to the frame of a latch gate. The bracket is designed to support a switch arm, a portion...
5097253 Electronic security device  
The present invention relates to a security device having a control box (12) containing an electronic system (50) and a communications loop (14) over which the system transmits a signal. The device...
4910497 Closure alarm for containment chambers for dangerous materials  
An alarm device is disclosed to indicate the opening of an access element of a containment chamber carrying dangerous materials, such as a drawer or cupboard door, by children or similar...
4855715 Door mounted alarm assembly  
An alarm system mounted in a casing intended to be installed in a door. The casing includes a power supply, a noise producing device and a circuit for connecting the power supply to the noise...
4774389 Intrusion detector switch system with wire bristle switch controls  
The problem of false alarms in a burglar alarm system caused by inadvertent opening of a sensing switch is resolved by providing a burglar alarm system switch with a wire brush contact surface on...
Matches 1 - 50 out of 86 1 2 >