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| Number | Title | Issue Date |
| 7772960 | Pre-loaded force sensing resistor and method A force sensing resistor (FSR) includes a substrate having separated electrically conductive traces and another substrate having a resistive layer in which the substrates are subjected to a biasing force such that the substrates contact one another with the resistiv... | 08/10/2010 |
| 7391296 | Resilient material potentiometer A variable resistance device comprises a resistive member having a resistive resilient material. A first conductor is configured to be electrically coupled with the resistive member at a first contact location over a first contact area. A second conductor is configu... | 06/24/2008 |
| 7358456 | Swimming pool touchpad A sealed two-plate swimming pool touchpad construction that is unaffected by pressure, in which a resilient, compressible, non-conductive spacer material such as rubber tubing is seated in an array of spaced recesses or grooves on the inside face of the rear plate t... | 04/15/2008 |
| 7353719 | Pressure sensor and method for fabricating the same A pressure sensor comprising a plurality of sensor parts arranged in matrix. A first electrode being connected with first wiring and a second electrode being connected with second wiring are disposed oppositely through a cavity part in the sensor part. The second el... | 04/08/2008 |
| 7305894 | Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same According to some embodiments of the present invention, a system for determining characteristics of two rolls configured in a nip press includes a strip configured to be placed in the nip press. A plurality of sensors embedded in the strip is configured to generate ... | 12/11/2007 |
| 7256347 | Cord control and accessories having cord control for use with portable electronic devices A control cord for connecting an auxiliary device to a portable electronic device is provided. The control cord includes a flexible longitudinal housing and a plurality of electrical conductors extending from one end of the housing to which the auxiliary device will... | 08/14/2007 |
| 7213323 | Method of forming an electronic pressure sensitive transducer on a printed circuit board The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact a... | 05/08/2007 |
| 7190251 | Variable resistance devices and methods A method of providing a variable resistance from a resistive member including a resistive resilient material comprises electrically coupling a first conductor with the resistive member at a first contact location over a first contact area; and electrically coupling ... | 03/13/2007 |
| 7186356 | Analytical device A sensor for chemical species or biological species or radiation presenting to test fluid a polymer composition comprises polymer and conductive filler metal, alloy or reduced metal oxide and having a first level of electrical conductance when quiescent and being co... | 03/06/2007 |
| 7187264 | Foil-type switching element with improved spacer design A foil-type switching element comprises a first carrier foil and a second carrier foil arranged at a certain distance from each other by means of a spacer 10. The spacer 10 comprises at least one recess 12 defining an active area of the switchin... | 03/06/2007 |
| 7161460 | Switching element provided with a foil construction A switching element provided with a foil construction includes a first supporting foil and a second supporting foil that are kept at a distance from one another via a spacer. The spacer has a recess in at least one active area of the switching element. A contact arr... | 01/09/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7154370 | High precision power resistors A high precision power resistor having the improved property of reduced resistance change due to power is disclosed. The resistor includes a substrate having first and second flat surfaces and having a shape and a composition; a resistive foil having a low TCR of ab... | 12/26/2006 |
| 7145432 | Flexible switching devices An electronic resistor user interface comprises flexible conductive materials and a flexible variably resistive element capable of exhibiting a change in electrical resistance on mechanical deformation and is characterised by textile-form electrodes (10,12) a... | 12/05/2006 |
| 7080562 | High-sensitivity pressure conduction sensor for localized pressures and stresses A high-sensitivity pressure conduction sensor is presented. The present invention includes a pair of locally resilient conductive layers and a locally resilient pressure conduction composite disposed between and contacting both conductive layers. Alternate embodimen... | 07/25/2006 |
| 7069642 | Method of fabricating a current control device A method of fabricating a current control device is presented. The method impregnates a pressure conduction composite within a current control device with a fluid additive via suffusion. The suffusion process is performed by placing the pressure conduction composite... | 07/04/2006 |
| 7068142 | Pressure-sensitive resistor and pressure-sensitive sensor using the same A pressure-sensitive sensor includes two base films opposite to each other, a pair of electrodes provided on the two base films, and first and second pressure-sensitive resistors provided by two layers on the electrodes to form a predetermined gap therebetween. Furt... | 06/27/2006 |
| 7064650 | Foil-type switching element A foil-type switching element comprises a first carrier foil having a first electrode arrangement applied thereon and a second carrier foil having a second electrode arrangement applied thereon, said first and second carrier foils being arranged at a certain distanc... | 06/20/2006 |
| 6987232 | Sensor and method for detecting a patient's movement via position and occlusion There is provided herein a sensor for use in connection with an electronic patient monitor, wherein the sensor preferably uses a linearly configured resistive ladder with spaced-apart resistors as a means of determining at least approximately a location of the patie... | 01/17/2006 |
| 6967561 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 11/22/2005 |
| 6957608 | Contact print methods A method of and device for controlled printing using liquid embossing techniques is disclosed. In accordance with the embodiments of the invention a stamp comprises a differentiated embossing surface with protruding and recessed surfaces to enhance the ability of th... | 10/25/2005 |
| 6943660 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 09/13/2005 |
| 6909354 | Electronic pressure sensitive transducer apparatus and method for manufacturing same The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact a... | 06/21/2005 |
| 6906700 | 3D controller with vibration A hand operated controller or converter structured for allowing hand inputs to be converted or translated into electrical outputs, the controller structured with a plate or platform moveable relative to a base or housing about two mutually perpendicular axes general... | 06/14/2005 |
| 6867681 | Circuit protection device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 03/15/2005 |
| 6841743 | Multidirectional control switch and multidirectional input device using the same A multidirectional control switch of the present invention is used in a variety of electronic apparatuses including a portable telephone and a personal digital assistant. A first switch contact of this switch outputs a first signal continuously varying as a top surf... | 01/11/2005 |
| 6842885 | Computer program product for defining slits in a bus on a chip A method for manufacturing a power bus on a chip, where the power bus has slits generated therein. The present invention relates to a method to manufacture a power bus in which the reference to a layout data base shows the coordinate location of the power buses in t... | 01/11/2005 |
| 6798332 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 09/28/2004 |
| 6798331 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 09/28/2004 |
| 6794983 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 09/21/2004 |
| 6794982 | Multidirectional input device and electronic apparatus comprising it A multidirectional input device includes ring-shaped resistance element layer 18, first conductive layer 22 and second conductive layer 23 shaping in arcs corresponding to resistance element layer 18, and knob 14 having ring-shaped... | 09/21/2004 |
| 6791037 | Multi-direction switch A multi-direction switch that is less likely to generate erroneous movement and may reduce fabrication and assembly difficulty includes redesigned metal conductive legs of a joystick and corresponding electrode elements so that the interval between the metal conduct... | 09/14/2004 |
| 6737953 | Passenger detector A description is given of a passenger detector comprising a flexible support of insulating material, at least two electrode structures placed on said insulating substrate at a certain distance from each other, and a layer of semiconducting material placed above said... | 05/18/2004 |
| 6661332 | Press-type varistor switch A press-type varistor switch is disclosed. A center of an upper cover is formed with a round hole. A head of a silicide cap is embedded into the round hole. Opposite sides of the seat are formed with a metal guide pin. The head of the silicide cap protrud... | 12/09/2003 |
| 6646540 | Conductive structures A conductive structure is used in electric variable resistance devices to provide changes in electrical resistance with movement and changes in pressure, the variable resistance device comprising externally connectable electrodes (10) bridged by an elemen... | 11/11/2003 |
| 6568068 | Fabrication of PTC heating devices A method and system for fabricating electrical heating devices employing positive temperature coefficient (PTC) thermistor as heating elements which includes: assembling the heating devices with PTC thermistor heating elements preselected according to ele... | 05/27/2003 |
| 6563435 | Glass keyboard and method for producing a glass keyboard In a glass keyboard comprising a keyboard surface (4) made from a flexible thin glass pane (2) and at least one carrier material pane (6), each pane being provided with an electroconductive layer (8,10) on the faces facing each other, wherein the opposing... | 05/13/2003 |
| 6563415 | Analog sensor(s) with snap-through tactile feedback An analog sensor depressible by a single human finger/thumb. Depressive force is applied to a dome-cap and to analog materials for varying an analog output of the sensor responsive to varying force applied by a single finger or thumb. Depressive force cau... | 05/13/2003 |
| 6531951 | Force sensor The invention concerns a force sensor (10) comprising a first electrode (22) and a second electrode (24) made of conductive material, which are arranged spaced from each other on a first insulating support (12). The invention is characterized in that a co... | 03/11/2003 |
| 6529122 | Tactile sensor apparatus and methods The tactile sensor has at least two conductive workpieces which bear on one another at a bearing area, at least one workpiece of which is produced from elastomer, with the result that it is possible to measure a contact resistance between the workpieces, ... | 03/04/2003 |
