A touch panel includes a first conductive film having separate areas, each of which has a strip shape with a length direction thereof extending in a first direction, a second conductive film having separate areas, each of which has a strip shape with a length direction thereof extending in a second direction substantially perpendicular to the first direction, and a third conductive film, wherein the separate areas of the first conductive film are arranged side by side in the second direction, and the separate areas of the second conductive film are arranged side by side in the first direction, wherein position detection based on a capacitive method is performed by using the first conductive film and the second conductive film, and wherein a potential of a position of contact between the second conductive film and the third conductive film is detected to detect the position of the contact.

An apparatus comprises touch screen interface and signal processing circuit. Within touch screen interface, there are switching circuits configured to be coupled to at least one of a plurality of column electrodes, and there are touch detection circuits configured to be coupled to at least one of a plurality of row electrodes. The signal processing circuit is coupled to each switching circuit and each touch detection circuit so as to be able to selectively activate the plurality of switching circuits and touch detection circuits to identify a zone for a touch event. The signal processing circuit determines first, second, third, and fourth resistances for the zone for the touch event and determines a set of coordinates and pressure for the touch event from its first, second, third, and fourth resistances wherein an aperture filter register is in a host interface that also stores the first digital representation.

An apparatus for controlling the dynamic range of a force sensing device comprises a plurality of drive lines and a plurality of sensing lines arranged to provide a plurality of intersections defining a plurality of keys. Each key comprises a sensing element which exhibits a variable resistance. A controller is configured to convert an analogue output from each sensing element to a digital output and an input amplifier is configured to provide signal gain, such that, the range of the controller is adapted by means of the signal gain. The input amplifier comprises a transimpedance amplifier connected to a gain resistor.

A touch panel device includes a first conductive film having first and second regions, at least a part of the first conductive film between the first and the second regions being removed, a second conductive film laminated on the first conductive film across a gap, first and second terminals that output signals, a first electrode electrically connected to the first terminal, and a second electrode facing the first electrode across the first region. A switch may electrically connect the first conductive film to the second conductive film, in the second region.

The invention pertains to a microsensor (210, 310, 410) comprising a first electrode (211, 311,411) and a second electrode (212, 312, 412), each electrode comprising a plurality of parallel tracks (222, 322, 422), each track comprising a connected end and a free end, each track extending from a strip (223, 323, 423), the strip connecting the tracks at their connected ends, the tracks of the two electrodes being offset and in mirror symmetry so that the tracks of the two electrodes are interdigitated and comprise between each pair of interdigitated tracks an assembly of nanoparticles (430) in a ligand, wherein each track (222, 322, 422) extending from the strip (223, 323, 423) comprises at least one change of direction.

The invention pertains to a microsensor (210, 310, 410) comprising a first electrode (211, 311, 411) and a second electrode (212, 312, 412), each electrode comprising a plurality of parallel tracks (222, 322, 422), each track comprising a connected end and a free end, each track extending from a strip (223, 323, 423), the strip connecting the tracks at their connected ends, the tracks of the two electrodes being offset and in mirror symmetry so that the tracks of the two electrodes are interdigitated and comprise between each pair of interdigitated tracks an assembly of nanoparticles (430) in a ligand, wherein each track (222, 322, 422) extending from the strip (223, 323, 423) comprises at least one change of direction.

An apparatus and method wherein the apparatus comprises; a sensor arrangement comprising a plurality of sensor cells wherein a sensor cell comprises a transistor and a sensor coupled to the transistor; first selection circuitry configured to sequence a subset of sensor cells to which a gate input signal is provided, wherein the gate input signal is provided to the gate of the transistors within the sensor cells; second selection circuitry configured to sequence a subset of sensor cells from which an output signal is received; sensing signal circuitry configured to provide a sensing signal, wherein the sensors are provided between the sensing signal circuitry and the second selection circuitry such that the output signal provides an indication of the impedance of the sensors.

A portable computer includes a display portion comprising a display and a base portion pivotally coupled to the display portion. The base portion may include a bottom case and a top case, formed from a dielectric material, coupled to the bottom case. The top case may include a top member defining a top surface of the base portion and a sidewall integrally formed with the top member and defining a side surface of the base portion. The portable computer may also include a sensing system including a first sensing system configured to determine a location of a touch input applied to the top surface of the base portion and a second sensing system configured to determine a force of the touch input.