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5661464 |
Snow pack stability monitor
Apparatus comprises a probe for measuring snow pack movement, comprising a mobile element adapted to contact and be displaced by the snow pack, a static element linked to the mobile element by...
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5658277 |
Apparatus for electrical connection of glove monitor to patient
Apparatus for electrically, detachably attaching a monitor such as a glove monitor between a health care worker and a patient utilizing a particular magnetic, electrical connection so that the...
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5655461 |
Robbery deterrent system for convenience stores
A robbery deterrent apparatus and method is provided for convenience stores or other businesses vulnerable to armed robbery, in which a would-be armed robber is incapacitated by an aerosol agent...
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5650768 |
Baggage claiming method and apparatus
An automatic baggage claiming apparatus for use in an airport, train station, or bus station controls removal of baggage from a secured area. The present invention scans a baggage tag and a claim...
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5646596 |
Interactive window display
An interactive window display enables a person to activate one or more electrical devices located inside an enclosure from outside of the enclosure. Each electrical device is electrically connected...
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5644294 |
Rescue support apparatus
A disaster support apparatus provides a compact enclosure within which a power supply energizes a circuit providing emergency lighting, radio wave and audible beacons activated by violent...
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5644300 |
Seismoscopic detector
A seismoscopic detector has a front casing, a rear casing, a positioning plate, a cup and a flashlight. An upper opening, a window, a positioning hole and a plurality of threaded holes are on the...
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5629673 |
Shooting patch
A device positions the butt end of a firearm. The device functions to assist the user in properly positioning and aiming the firearm. In its broadest context, the present invention includes a...
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5629681 |
Tubular sonic displacement sensor
The displacement sensor of this invention comprises a tube combined with a sonic transmitter and receiver. The tube acts as a waveguide for the sonic waves and a processor determines whether the...
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5629672 |
Low paper detection system
An improved paper image reproduction device being communicatively integrated into a communications network and having a cabinet having at least one cassette receiver for receiving a paper cassette...
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5625347 |
Electronic bottle cap
A device for delivering an audible message is described. It includes a housing adapted for releasable emplacement on an externally threaded bottle neck. The housing includes a substantially...
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5623248 |
Miniature electromagnetic impact sensor
A self-contained electromagnetic impact sensor includes a frame, a fixed permanent magnet, a fixed coil, and a metallic body elastically mounted for movement within the frame. An impact received by...
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5610593 |
Communication controller and communication control method
A portable terminal unit is connected to a network, such as a LAN, to communicate with a host apparatus. The terminal unit has a decision unit for determining whether or not the terminal unit is...
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5608378 |
Electric stove warning system
A fire-preventing warning system for alerting an occupant leaving the premises that a stove burner is on, includes (a) a sensor to detect whether a gas or electric stove is "on", connected to (b) a...
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5602526 |
Vehicle open door warning system
An open door warning system for a vehicle includes an open door detector mounted on the vehicle, which detects when the door is left open, and a light module mounted on a side of the vehicle and...
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5600250 |
Apparatus for monitoring the integrity of a personal protective barrier
A method and apparatus for detecting the possibility of transfer of material through a protective barrier between a worker and an external object and warning the worker of that possibility is...
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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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5589820 |
Retail theft prevention and information device
A device for use in preventing theft of an item from a building and for use in identification of the item is disclosed. The device comprises an antenna adapted to receive a frequency signal from an...
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5574437 |
Safety device for a printing machine
This invention describes a monitoring device which monitors the safety of a printing machine. The printing machine has a drive, a control unit arranged upstream of the drive, command buttons which...
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5557098 |
System to identify bags disinfected by irradiation which punches holes in a polarized portion of the bag to indicate processing thereof
A system and a method are provided for detecting a bag that has been subjected to a process, such as illumination, wherein the contents of the bag require processing before subsequent use. The...
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5557258 |
Method and apparatus for warning of potential harm to an underground utility conveyance
Potential harm to an underground utility conveyance (12), resulting from excavation by a backhoe (14) in the vicinity of the conveyance, is sensed by a sensor (32, 40, 42 or 44) that detects a...
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5552767 |
Assembly for, and method of, detecting and signalling when an object enters a work zone
An assembly for detecting and signalling when an object enters a work zone including a plurality of transmitter-sensor pairs serially connected along a section of the work zone perimeter for...
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5546076 |
Earth-tremor-responsive light
An earth-tremor-responsive light contained in a main housing is described having a back member for mounting against a vertical wall and a light transmitting front cover; a stand-by battery; a light...
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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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5541579 |
Personal alarm safety system
A personal alarm safety system warning device will sound an audible alarm when a firefighter is motionless for a predetermined time such as thirty seconds or one minute, and optionally, if the...
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5539387 |
Earthquake sensor
An earthquake sensor includes a base support, a first element pivotably supported onto the base support at a first pivot location, a second element pivotably supported onto the first element at a...
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5532681 |
Protection device for power frequency magnetic fields
The present invention is a magnetic field warning device suitable for protecting fetal health by alerting the mother whenever she or her fetus is exposed to alternating magnetic field levels which...
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5530431 |
Anti-theft device for protecting electronic equipment
Security (e.g., theft-disincentive) for portable electronic appliances is provided by integrating a decoder into the power supply of an electronic appliance which prevents the electronic appliance...
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5528219 |
Ropeway safety monitoring system
Sensors distributed along a ropeway communicate with a base station and preferably a base station computer. One type of sensor detects and signals cable misalignments from a normal line of cable...
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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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5525963 |
Apparatus for actuating a safety device
Apparatus for actuating a safety device comprises an acoustic sensor and apparatus coupled to the sensor for actuating the safety device in response to sound of a predetermined character. Apparatus...
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5517176 |
Emergency exit bar with dual sensors
An exit bar has an elongated body for mounting on an exit door. The exit bar incorporates a pair of independent sensors. An infrared beam is generated along the front of the bar. An infrared...
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5515029 |
Glass breakage detector
A method of detecting glass breakage utilizing the sound produced by an event comprising the steps of sensing the sound and producing an electrical signal characteristic of the sound, producing a...
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5508681 |
Interactive safe for disposal of medical needles
A closed automatic system for removing (for facilitating the removal) and safely storing potentially contaminated medical (or other) needles in which the operator only uses one hand to operate the...
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5496658 |
Storage battery state-of-charge indicator
A storage battery is provided which includes a casing and a cover secured to the casing. The cover includes a body having a top surface and a peripheral skirt; the top surface having a plurality of...
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5489889 |
Universal earthquake safety valve
An improved system for shutting off utilities, such as gas and electricity, automatically in the case of an emergency, such as an earthquake, fire and the presence of hazardous fumes. The device...
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5481247 |
Blast furnace tuyere sensor system
A blast furnace tuyere sensor system comprising a conditioning circuit including a D.C. power supply, a potentiometer for base loading circuit voltage, and a photosensitive resistor sensor which...
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5481245 |
Monitored environment container
A container for transporting, storing, and handling sensitive items has a housing within which at least one sensitive item is stowable, and a monitoring system for monitoring a plurality of...
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5479150 |
Bridge failure alarm
A bridge failure alarm system designed to be used with bridges has a plurality of spans across the length of the bridge, activates an alarm whenever the distance between any two adjacent spans is...
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5477211 |
Ambulatory aid warning device
An ambulation aid warning device for warning the uses when an ambulation aid is about to be used improperly. The device includes one or more gravity sensitive switches to activate an auditory,...
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5473310 |
Pool guard alarm
A pool guard alarm provides constant security at the entrance to a pool using a delayed alarm to allow access to the pool area by authorized persons. Younger, unsupervised children are indicated by...
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5467076 |
Realty sign lighting/anti-theft assembly
The realty sign lighting and display assembly is in the form of a real estate standard having a vertical post and a horizontal cross-arm from which depends a display panel. The cross-arm is...
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5457838 |
Extendible dock leveler
A dock leveler for providing a bridge into the rear end of a truck trailer over which a fork vehicle can travel in loading the truck trailer. The dock leveler includes a ramp with a rear section...
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5455567 |
Crane anti tractor lift system
An automatic signaling system from a tractor-trailer being accidentally lifted with the cargo by the overhead traveling crane includes a height-change sensor for triggering a pulse generator which...
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5451930 |
Emergency condition, door ajar, and temperature alarm for appliances
A combination appliance door ajar, occupant emergency and abnormal temperature condition alarm system, in a single unit utilizing three visual indicators, one for each of the emergency conditions,...
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5446448 |
River ice motion detector
A river ice motion detector system for detecting ice run conditions in or to warn communities downstream that flooding from ice jams is possible, comprises a voltage source, a multi-meter, a...
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5444437 |
Signaling device
An apparatus for generating a signal for indicating consent between two parties, comprises a generally box-like housing having a cavity, an indicator light on an exterior portion of the housing, a...
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5430434 |
Portable surgical early warning device
A portable early warning device for use in detection of breaches in protective garments such as gloves, during surgical procedures and the like. The device embodies a central process and source...
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5424719 |
Consumption control
Consumption control apparatus has a rate meter operative for determining an actual rate at which an arm of a user is brought into an eating position during a consumption session, and an indicator...
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5418521 |
Power cable with alarm
The power cable includes an elongated cable having a plurality of conductors extending therewithin and first and second connectors positioned at respective ends of the elongated cable. Each...
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