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7554051 |
Sensor assembly
A sensor comprising a plurality of layers, comprising a first mask layer; a second mask layer; a third mask layer disposed between said first and second mask layers and defining an aperture; and a...
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7515068 |
Vehicle axle sensor
A roadway vehicle sensor includes a coextrusion having a linear conductive section and a linear non-conductive section forming a vehicle deformable closed housing. The linear conductive section has...
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7119704 |
Machine guarding system having a sensing mat with status indicator lights
A machine guarding system generally includes a switch mat in electrical communication with a machine being guarded. The switch mat is adapted to be placed on a floor adjacent the machine being...
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6898842 |
Method for manufacturing a continuous-length switch
Disclosed is a method for manufacturing a continuous-length switch that comprises first and second electrodes. The method comprises covering at least a first surface of a first electrode with an...
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6888081 |
Safety contact mat
A safety contact mat has an upper mat half and a lower mat half with respective mutually facing spaced apart conductive layers, which are to be brought into contact in order to close an electrical...
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6774331 |
Pressure sensitive switch
A pressure-sensitive switch, includes: an edge structure extending in a substantially closed contour; a first carrier which is connected on its edges to the edge structure and which is electrically...
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6696653 |
Binary switch apparatus and method for manufacturing same
The present invention relates generally to binary switches for use in the medical monitoring field and to methods for manufacturing same. More particularly, the instant invention involves the...
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6584678 |
Pressure actuated switching device and transfer method for making same
A method for making a pressure actuated switching device includes applying a conductive coating to the release surface of a transfer substrate to form a conductive electrode film. The conductive...
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6492604 |
Device for detecting pressure and passage of a vehicle wheel on a pavement using a conductive rubber and method for installing same
A system for detecting the pressure and passage of a vehicle wheel on a surface includes an element made of a deformable conductive rubber component which is urged into contact with an opposing...
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6486424 |
Electrical contact mat with device for closed-circuit protection
Electrical contact mat ( 2 ) with at least two plates ( 2 a , 2 b ) arranged at a spacing from each other in the at-rest condition, which plates are fabricated in particular from rubber or polymers...
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6469266 |
Road vehicle axle sensor
An improved vehicle road sensor is provided for signalling the passage of a vehicle over a predetermined location on a roadway. The vehicle road sensor includes a membrane switch which includes a...
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6455793 |
Continuous-length switch
Disclosed is a continuous-length switch that comprises first and second electrode plates. Along side regions of one of the electrode plates are provided conductive regions. Extending from these...
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6396010 |
Safety edge switch for a movable door
A safety edge switch for a motorized door includes a longitudinally extending base, a resiliently deformable material, an electrode array of a plurality of spaced apart conductive segments, and an...
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6329620 |
Flat foot switch unit with non-slippage structure
A flat foot switch unit has a surface has a slippage-preventing measure. In this, a foot switch section has a four-sided surface shape and step-motion-detectable foot switches internally formed in...
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6307168 |
Linear spaced dielectric dot separator pressure sensing array incorporating strain release stabilized releasable electric snap stud connectors
A pressure sensing array has upper, central and lower laminar elongated members, the central member having several openings producing defined cavities between the upper and lower members. A first...
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6281803 |
Control mat monitoring and warning apparatus and method
A control mat monitoring and warning apparatus and method in which the resistance of a control mat is monitored continuously while the mat remains in use. Deviations of the pattern of control mat...
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6107580 |
Omnidirectional response cable switch
This invention provides an omnidirectionally responsive cable switch (5) capable of snake-like or twisted wiring or layout and comprising a tubular outer cover (1) made of an insulating material...
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6054658 |
Electrical switch mat
An electrical switch mat which includes an electrical contact, a support frame, and a plate member. The electrical contact is operable under pressure between a closed condition and an open...
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5942966 |
Closing-edge-type fuse
The invention concerns a closing-edge-type fuse with a safety strip (1) which comprises an electric switch device and consists of a plurality of contact elements (2, 2a) which are disposed in a row...
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5895900 |
Pressure sensitive seat switch with air vent passages
A pressure sensitive switch includes a first insulating film provided on one surface thereof with an electrode sheet and an insulating spacer having one surface connected to one surface of the...
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5886615 |
Pressure activated switching device with piezoresistive material
A pressure sensitive sparkless switching device includes a layer of piezoresistive cellular polymer foam, at least two conductive layers, and an insulative spacer element having at least one...
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5837952 |
Mat switch
In a mat switch, a plurality of switch regions for inputting the plurality of data are provided, each of the switch regions has a laminate structure which is formed by laminating an upper electrode...
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5728983 |
Elongated tube-like pressure sensitive cable switch
A pressure-sensitive cable switch includes a pair of metallic conductors arranged in opposing relation to one another on the neutral axis for bending within the cross section of a rubber tube, and...
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5705990 |
Multiple switch pad
A low voltage switch pad that is placed outside an entrance door on a car seat or under a car floor mat, allowing a pet or person to activate a bell buzzer or a car warning device. This relates to...
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5646615 |
Treadle and roadway treadle assembly
An optical treadle of extended longevity is disclosed. The treadle is of unitary construction with an improved cross-sectional passageway shape that more effectively interrupts light when a vehicle...
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5623760 |
Pressure sensitive switch
A pressure sensitive switch has upper, middle and lower laminar elongated members, the middle member having an opening therethrough defining a cavity between the upper and lower members. A first...
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5602428 |
Switch mat with active threshold
A pressure sensitive switch mat capable of interconnection with other such switch mats on all sides to eliminate non-activation zones as disclosed. The switch mat has a main switch mat portion and...
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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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5512716 |
Switching pad or plate
A switching pad or plate having electroinsulating flat bodies arranged essentially in parallel to one another, to which at least one current-conducting contact path is assigned which has...
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5510586 |
Switch joint for electrical switching mats
A switch joint provides pressure-sensitive continuity between a pair of pressure-sensitive electrical switching mats. The mats include an active switching area and an inactive edge. The switch...
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5441301 |
Crush sensing vehicle crash sensor
A vehicle crush detecting device consists of an electrically conducting tube with an electrically conducting rod concentrically positioned within the tube along with insulating means positioned at...
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5401922 |
Membrane switch
A membrane switch including first and second substantially flexible electrical contacts and a first layer of dielectric material deposited between and on one surface of one of the first and second...
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5260530 |
Illuminated, pressure-actuated switch
An illuminated, press-at-any-point switching device which can be actuated by the application of or the removal of pressure at substantially any point along a surface of the switching device. The...
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5257317 |
Sound recording console
A control console (1) for use in sound recording, and/or effects such as dubbing, the console (1) having a plurality, say 100 of sound channels, the console comprising a touch sensitive channel...
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5250769 |
Roadway treadle switch assembly
A treadle switch assembly for installation in a roadway bed for use in sensing vehicular traffic flow thereover is disclosed. The assembly includes at least one elongated treadle constructed of a...
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5226436 |
Wheel position sensor for car wash car sizing
Wheel sensor treadleplates are provided in both wheel tracks of a car wash and the outermost depressed treadleplates send signals to a programmable controller which moves the spray head to a...
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5210528 |
Audible floor mat
A floor mat includes a housing for containing a power supply, speech module and speaker. A grid-like switching mechanism is closed upon a person stepping on the mat so as to provide an energizing...
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5142109 |
Puncture-resistant mat for pressure-actuated switches
A protective mat for use with pressure-actuated switching devices having a moisture-resistant, isolated switching chamber protected by a puncture-resistant, protective layer which disperses forces...
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5089672 |
Flexible electrically conductive contact for a switch which is actuated upon force being applied thereto
A flexible, electrically conductive contact for a switch which is actuated upon force being applied thereto includes a first plurality of generally flexible fibers. One portion of the first...
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5068504 |
Seat cushions and body supports, and fitting instruments for the same
A peak pressure sensor, for insertion between a body support pad or the like and an anatomical portion supported thereon, has a envelope, pliable electrically conductive sheets on opposite inner...
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5047602 |
Pressure-sensitive mat-form electric switching element
The movable electrode of the switching element consists of a flexible compressible contact-mesh comprising conducting and non-conducting wires. The conducting wires extend in the first direction of...
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4987277 |
Normally closed pressure-actuated switch
A normally-closed electrical switch having a plurality of electrically conductive contacts normally arranged in overlapping electrical communication. A preferred embodiment of the present invention...
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4963705 |
Treadle assembly
The treadle assembly of the present invention comprises one or more lightweight flexible circuits completely sealed within an envelope of resilient elastomeric material. This treadle is thus more...
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4931601 |
Pressure switch having internal vent chamber
Layers of a thin, electrically insulating material are bonded together to form a switch. The bottom layer of the switch has electrically conductive areas aligned with openings through a second...
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4922067 |
Fluid pressure switch having venting means for dispersing back pressure
The invention is a fluid pressure switch which is particularly adapted for use on a water purifying system of the type wherein incoming water pressure and water pressure in a reservoir are used to...
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4920241 |
High sensitivity door edge switch
A high sensitivity door edge switch including an openwork or perforate spacer for extension along a door edge, flexible conductors on opposite sides of the spacer in spaced apart confronting...
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4890007 |
Carpet mat switch
A carpet mat switch system is provided in which a person when stepping on a mat structure will electrically activate a lamp, burglar alarm, program talking clock or any other appliance connected...
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4888581 |
Pressure sensitive security system for tracking motion over a surface
An alarm system uses an area sensor having a piezoelectric film sensitive to changes in pressure. A piezoelectric film with electrodes deposited on opposite surfaces of the film converts changes in...
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4876420 |
Continuous flexible electric conductor capable of functioning as an electric switch
A conductor comprising a first elongated electric conducting element; a spacer element formed from insulating material and placed over the surface of the first conducting element, so as to shield...
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4876419 |
Two-dimensional electric conductor designed to function as an electric switch
A conductor comprising a first and second electric conducting element, each in the form of a flat plate, and at least a third electric conducting element also in the form of a flat plate. The first...
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