Abstract:
An apparatus and method for making such an apparatus. The apparatus comprises at least two plasmonic resonators having a space therebetween, the at least two plasmonic resonators configured to undergo plasmonic resonance upon irradiation by electromagnetic radiation and thereby generate an electric field in the space; and graphene oxide positioned within the space and in electrical contact with the at least two plasmonic resonators; the graphene oxide configured to: attract water molecules into the space; protonate water molecules present in the vicinity of the space;and by using the generated electric field in the space, split water molecules in the vicinity of the space, thereby producing hydrogen and oxygen.
Abstract:
An apparatus comprising: a passive array (202) of resistive elements (250); a row selector switch (204) and a column selector switch (206) configured to respectively connect a particular row and a particular column of resistive elements to ground; and a feedback column selector switch (208) configured to connect all columns of resistive elements to a voltage source, except for the particular column connected to ground by the column selector switch; the voltage source configured to apply a voltage to the columns of resistive elements, the voltage matching a voltage dropped over the resistive element connected in circuit by the row and column selector switches; and further comprising: a row selector switch compensation circuit (220), a column selector switch compensation circuit (240) and/or a feedback column selector switch compensation circuit (260) each configured to apply a voltage across a corresponding dummy element equal and opposite to a voltage dropped over the corresponding selector switch.
Abstract:
An apparatus (517) comprising a deformable member (518), the deformable member configured such that it is mechanically deformable between different configurations each associated with a respective plasmon resonance when the deformable member is exposed to incident electromagnetic radiation in that configuration, wherein the apparatus is configured such that one or more of the length of the deformable member in the configuration and the associated incident electromagnetic radiation are detectable.
Abstract:
An apparatus comprising a sensor array,configured to produce an array output value in response to an environmental stimulus, and a controller, the sensor array comprising 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 there between, 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.
Abstract:
An apparatus (100) includes a sensor (110) comprising a sensing film (140) configured to provide a signal based upon a user's breath and a controller (130) operably associated with the sensor (110). The controller (130) is configured to receive the signal based upon the user's breath.
Abstract:
In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a resistive memory component including an active material and two or more electrodes in electrical contact with the active material of the resistive memory component; and a selector component providing control over the resistive memory component, the selector component including an active material and two or more electrodes in electrical contact with the active material of the selector component. The resistive memory component and the selector component share one or more electrodes, and the resistive memory component and the selector component share at least part of the active material. A method and apparatus for producing the apparatus are also disclosed.
Abstract:
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.
Abstract:
An apparatus comprising first and second electrodes (201, 202) separated by an electrolyte (203), the first and second electrodes (201, 202) configured to exhibit a potential difference therebetween on interaction of the first electrode (201) with an analyte, wherein the first electrode (201) 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 (201) affecting the potential difference between the first and second electrodes (201, 202), and wherein the apparatus comprises respective first and second terminals (204, 205) configured for electrical connection to a readout circuit to enable determination of the presence and/or amount of analyte based on the potential difference.
Abstract:
An apparatus (409) comprising first and second sensor elements (403, 404), the first sensor element (403) comprising a first sensor material (405) and the second sensor element (404) comprising a second sensor material (408), wherein the first sensor material (405) is configured such that an electrical property of the first sensor material (405) is dependent upon the temperature of the environment in which the first and second sensor elements (403, 404) are located, and the second sensor material (408) is configured such that the same electrical property of the second sensor material (408) is dependent upon the relative vapour pressure of a fluid in the environment in which the first and second sensor elements (403, 404) are located, the respective temperature and fluid relative vapour pressure dependencies of the first and second sensor materials (405, 408) allowing the temperature and fluid relative vapour pressure of the environment to be determined based on combined measurements of the electrical property of the first and second sensor materials (405, 408) in the environment.
Abstract:
An apparatus (1) and plurality of sensors where the apparatus (1) comprises: a plurality of coupling elements (7); a plurality of attachment portions (13) configured to enable a plurality of sensors to be removably attached to the apparatus (1); at least one processor (3); and at least one memory (5) including computer program instructions (11); wherein the at least one memory (5) and the computer program instructions (11) are configured to, with the at least one processor (3), enable the apparatus (1) to individually address each of the plurality of coupling elements (7) to obtain a reading from each of the plurality of sensors attached to the apparatus (1).