Nokia Corporation

Nokia Technologies Oy

Jani Kivioja

Richard White

Michael Robert Astley

Stefano Marco Borini

Di Wei

Piers Andrew

Darryl Cotton

Elisabetta Spigone

Chris Bower

Zoran Radivojevic

Elefterios Lidorikis

Alan Colli

Antti Niskanen

Samiul Md Haque

Teuvo Tapani Ryhanen

Hongwei Li

Andrew Peter Matthews

Nadine Harris

Christopher Bower

Marc Bailey

Andrea Ferrari

Teuvo RYHÄNEN

Tim Echtermeyer

A percolation network of functionalised reduced graphene oxide flakes, the percolation network configured to allow for hopping of charge carriers between adjacent reduced graphene oxide flakes to enable a flow of charge carriers through the percolation network, and wherein the reduced graphene oxide flakes are functionalised to facilitate detectable changes in the flow of charge carriers in response to a stimulus to the percolation network.

Graphene oxide percolation network

An apparatus comprising first and second electrodes () separated by an electrolyte (), the first and second electrodes () configured to exhibit a potential difference therebetween on interaction of the first electrode () with an analyte, wherein the first electrode () is configured such that its electrical conductance and electrochemical potential are dependent upon the amount of analyte present, the electrical conductance and electrochemical potential of the first electrode () affecting the potential difference between the first and second electrodes (), and wherein the apparatus comprises respective first and second terminals () configured for electrical connection to a readout circuit to enable determination of the presence and/or amount of analyte based on the potential difference.

Apparatus and associated methods for analyte detection

An apparatus comprising a plurality of first elongate electrodes () separated from a plurality of second transversely oriented elongate electrodes () by an electrolyte (), the plurality of transversely oriented first () and second () electrodes forming an array of respective electrochemical sensor nodes at the spaced crossings thereof, wherein the first electrodes () are configured such that the interaction of an analyte with the first electrode () at a sensor node affects an electrical property of the sensor node, and wherein the apparatus comprises respective terminals connected to each electrode () for electrical connection to a measurement circuit to enable determination of the presence and/or amount of analyte at a particular sensor node based on a measurement of the electrical property of that sensor node.

A method, apparatus and computer program wherein the method comprises: providing a first input signal to a sensor; measuring a first output signal provided from the sensor in response to the first input signal and calculating capacitance of the sensor from the first measured output signal; providing a second input signal to the sensor; measuring the output signal provided from the sensor in response to the second input signal and calculating resistance of the sensor from the second measured output signal; wherein the first and second input signals are provided at different times.

Apparatus, method and computer program for sensing

An apparatus includes a capacitance touch sensor arrangement configured to have a variable capacitance that varies when a conductive object approaches; and at least one variable impedance sensor configured to have a variable impedance that varies with a sensed parameter; an output node; and at least one switch configured to provide, in a first configuration, an output impedance at the output node that depends upon the variable capacitance and configured to provide, in a second configuration, an output impedance at the output node that depends upon the variable impedance.

Multi-function sensing apparatus

An apparatus comprises an anode formed of graphene oxide from an acidic pH; a cathode from a pH greater than the acidic pH of the anode; and charge collectors deposited on the anode and the cathode. The anode comprises graphene oxide, the graphene oxide comprising an ink and having a pH of about 1 to about 4.

Proton-battery based on graphene derivatives

An apparatus includes a breath sensor including a film configured to sense a variation in electrical impedance based on a moisture gradient and output the sensed variation as an output signal; and a controller configured to process the output signal from the breath sensor. The apparatus is configured to receive the output signal from the breath sensor and provide a signal in response thereto.

Hybrid input device for touchless user interface

An apparatus including first and second sensor elements, the first sensor element includes a first sensor material. The second sensor element includes a second sensor material. The first sensor material is configured such that an electrical property of the first sensor material is dependent upon the temperature of the environment in which the first and second sensor elements are located. The second sensor material is configured such that the same electrical property of the second sensor material is dependent upon the relative vapor pressure of a fluid in the environment in which the first and second sensor elements are located, the respective temperature and fluid relative vapor pressure dependencies of the first and second sensor materials allowing the temperature and fluid relative vapor pressure of the environment to be determined based on combined measurements of the electrical property of the first and second sensor materials in the environment.

Apparatus and associated methods

An apparatus comprises a sensor having a sensing film and at least two electrodes; and a plurality of electronic components operably associated with the sensor. The sensing film is configured to provide a signal based on humidity immediately prior to contact with liquid water. The electronic components are configured to provide a change in output voltage to trigger an electronic switch that disconnects an electronic device from a power source.

Apparatus and method for water protection of an electronic device

An apparatus including a capacitance touch sensor arrangement configured to have a variable capacitance that varies when a user finger touches the capacitance touch sensor arrangement; and at least one variable resistor sensor integrated within the capacitance touch sensor arrangement wherein the variable resistor sensor has a variable resistance that varies with a sensed parameter; the apparatus including an input configured to receive an input signal including a time varying component and an output configured to provide an output signal that depends upon both the capacitance of the capacitance touch sensor arrangement and the resistance of the variable resistance sensor.

Sensing

Embodiments of the disclosure relate to an apparatus including a first sensor arrangement configured in a first layer; a second sensor arrangement configured in a second layer; wherein the sensor arrangements are configured to vary an input signal in response to a sensed parameter; and the apparatus also including an input configured to receive an input signal and an output configured to provide an output signal that depends on each of the first and second sensor arrangements.

Apparatus for sensing

An apparatus including a sensor array, configured to produce an array output value in response to an environmental stimulus, and a controller, the sensor array including a plurality of sensors and a common output terminal connected to the respective outputs of the sensors, each sensor having first and second electrodes configured to output a respective sensor output value in a particular environment based on the areas of the first and second electrodes and/or the spacing therebetween, the controller configured to control which of the sensors are connected to the common output terminal using respective switches to vary the effective area and/or spacing of the sensor array such that the array output value at the common output terminal, based on the contribution of the respective sensor output values of the connected sensors, is held at a reference value.

In accordance with an example embodiment of the present invention, apparatus including a position sensitive layer configured for position sensitivity; and a superliquidphobic layer configured for superliquidphobicity, the superliquidphobic layer positioned with a surface proximal to a surface of the position sensitive layer; wherein the position sensitive layer is configured to detect the position of a liquid droplet situated on a surface of the superliquidphobic layer.

Multifunctional apparatus comprising a superliquidphobic surface

An apparatus including a first layer configured to enable a flow of charge carriers from a source electrode to a drain electrode, a second layer configured to control the density of charge carriers in the first layer using an electric field formed between the first and second layers, and a third layer positioned between the first and second layers to shield the first layer from the electric field, wherein the third layer includes a layer of electrically conducting nanoparticles and is configured such that when stress is applied to the third layer, the strength of the electric field experienced by the first layer is varied resulting in a change in the charge carrier density and a corresponding change in the conductance of the first layer.

Field effect transistor for sensing deformation

An apparatus comprising a processor and memory including computer program code. The memory and computer program code can be configured to, with the processor, cause the apparatus to illuminate one or more sensor elements with electromagnetic radiation emitted from corresponding regions of an electronic display. The one or more sensor elements can be configured to exhibit a specific electrical response to the illumination when a specific set of analytes are bound to the one or more sensor elements, determine the electrical response of the one or more sensor elements, and compare the determined electrical response with one or more predetermined electrical responses to determine a match. Each predetermined electrical response can be associated with the binding of a different set of analytes, wherein determination of a match allows the specific set of analytes bound to the one or more sensor elements to be identified.

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Cambridge, United Kingdom

Jani Kivioja