Matches 1 - 50 out of 268 1 2 3 4 5 6 >


Match Document Document Title
8525535 Test body, test arrangement, method for manufacturing of a test body, and method for determining a moisture content of the insulation of a power transformer during drying thereof  
A test body for use in determining moisture content in a laminated insulation of a power transformer by measuring a dielectric frequency response of the test body. The test body has a laminated...
8134473 Signaling device for detecting the presence of an object  
A sheet switch (142) has a bottom layer (144) and a top layer (160). First and second conductors (148, 162) located on the bottom layer (144) form two separate conductive paths, with a voltage...
7845105 Firearm grip panel with interchangeable switch insert  
A grip panel with removable interchangeable sliding or other type locking inserts that trap and fasten switches for firearm accessories such as white lights, lasers, invisible lasers and...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6486424 Electrical contact mat with device for closed-circuit protection  
Electrical contact mat (2) with at least two plates (2a, 2b) arranged at a spacing from each other in the at-rest condition, which plates are fabricated in particular from rubber or polymers and...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 268 1 2 3 4 5 6 >