Abstract: An apparatus, method and computer program is described comprising: applying an electrical signal to a first electrical circuit formed between a first device electrode and a first eyelid electrode, an eyeball electrical path between the first eyelid electrode and a second eyelid electrode, the second eyelid electrode and a second device electrode, and the second device electrode and the first device electrode; and determining current and/or voltage measurements of the first electrical circuit, wherein a current and/or voltage is generated in the first electrical circuit in response to the applied electrical signal, and wherein the first device electrode is configured to form a first capacitor with the first eyelid electrode and the second device electrode is configured to form a second capacitor with the second eyelid electrode.

Abstract: The application relates to an apparatus, electronic device and method. The apparatus comprises circuitry configured to provide a direct current signal to a subject. The circuitry is configured to enable switching between a first circuit loop and a second circuit loop. The first circuit loop is configured to enable charging of a capacitor to enable measurement of a first time constant to be obtained where the first time constant is indicative of a charging time of the capacitor. The second circuit loop is configured to enable discharging of the capacitor to enable measurement of a second time constant to be obtained where the second time constant is indicative of a discharging time of the capacitor. The first time constant and the second time constant enable an impedance of the subject to be estimated.

Abstract: A temperature detecting apparatus comprising: a first current reference for providing a first current to an intermediate node; and a second current reference for drawing a second current from the intermediate node; wherein at least one of the first current reference and the second current reference is temperature dependent; a resistor electrically connected to the intermediate node for enabling provision of a third current to the intermediate node or for drawing a third current from the intermediate node; and means for detecting the third current.

Abstract: An apparatus may include a transistor, a capacitor, and an operational amplifier. The transistor may have a sub-threshold voltage applied to a gate of the transistor. The capacitor configured to store a first gate-to-source voltage of the transistor while a first switch and a second switch are closed and a third switch is open. The capacitor may be charged to a first gate-to-source voltage of the transistor while the transistor is biased with a first bias current. The operational amplifier may be configured to determine a voltage difference between the first gate-to-source voltage stored in the capacitor and a second gate-to-source voltage of the transistor while the transistor is biased with a second bias current. The operational amplifier may determine the voltage difference while the third switch is closed and the first switch and the second switch are open. The voltage difference may correspond to a temperature of the transistor.

Abstract: The disclosure relates to a smart footwear that is capable to maintain the temperature within the set range using Peltier modules (10.i), that are additionally used for energy harvesting. The footwear is equipped with plurality of inner temperature sensors (20.j). Outer temperature is recorded by one or more sensors (30.k). Data processing unit (70) executes a program for heating/cooling and energy harvesting, where only i-th Peltier module is used in time for heating/cooling and other modules (10.1) where i?l for energy harvesting. In the preferred embodiment, the index i is changed consecutively to be 1->2->3-> . . . ->(N?1)->N with time period D that defines a duty cycle of each i-th Peltier module, and with the adjustable time period D1 before each new cycle 1->2->3-> . . . ->(N?1)->N, while all Peltier modules are in energy harvesting mode. Time periods D and D1 are used to regulate delivered power for heating/cooling.

Abstract: Examples of the disclosure relate to apparatus, methods and computer programs for positioning objects using pulses of light. The apparatus can be configured to obtain a reference measurement indicative of background light and obtain a first measurement and a second measurement. The first measurement can be obtained during emission of a light pulse and the second measurement can be obtained after emission of the light pulse. The first measurement and second measurement are dependent upon the time of flight of the same light pulse. The apparatus is configured to use the first measurement, second measurement and reference measurement to determine a parameter dependent upon the time of flight of the light pulse. The parameter could be a distance to an object.

Abstract: An apparatus comprising: a memristor; means for wirelessly receiving, from another apparatus, a time-varying signal; means for enabling, responsive to the received time-varying signal, provision of one or more pulses to the memristor to change an electrical characteristic of the memristor; means for wirelessly signalling to the other apparatus when the electrical characteristic of the memristor reaches a threshold value; and means for re-setting the electrical characteristic of the memristor.

Abstract: A temperature detecting apparatus comprising: a first current reference for providing a first current to an intermediate node; and a second current reference for drawing a second current from the intermediate node; wherein at least one of the first current reference and the second current reference is temperature dependent; a resistor electrically connected to the intermediate node for enabling provision of a third current to the intermediate node or for drawing a third current from the intermediate node; and means for detecting the third current.

Abstract: A method, apparatus and computer program product are provided to determine the fluorescence lifetime in an efficient manner. In the context of a method electric charge generated by fluorescence emission during two overlapping time periods of a single measurement cycle is stored to form first and second measures. The electric charge generated during that segment of the two time periods during which the two time periods overlap is incorporated in the first measure and in the second measure. The method also includes determining a fluorescence lifetime based at least in part upon the first and second measures.

Abstract: A method of non-coherent ambient backscatter communication including: receiving, by a wireless device, an ambient orthogonal frequency-division multiplexing (OFDM) symbol that includes a cyclic prefix at a first portion of the OFDM symbol that is a copy of a second portion of the OFDM symbol; modulating, by the wireless device, at least part of the received ambient OFDM symbol, including: modulating either the first portion or the second portion of the ambient OFDM symbol with data; and reflecting, by the wireless device, at least the first portion and the second portion of the modulated OFDM symbol.

Abstract: A method, apparatus, computer program product and system are provided to determine the position of at least a portion of the body of a subject, thereby providing for motion estimation and/or body posture detection. In regards to a method, information is received regarding a signal that propagated through a capacitively-coupled intra body communication channel in a body from a first node to a second node. The method also evaluates the information regarding the signal in order to determine information regarding a position of at least a portion of the body. By evaluating the information, the method identifies different positions of at least the portion of the body based upon the signal that propagated through the capacitively-coupled intra body communication channel that varies in a manner attributable to changes in capacitance between the first and second nodes.

Abstract: A method of non-coherent ambient backscatter communication including: receiving, by a wireless device, an ambient orthogonal frequency-division multiplexing (OFDM) symbol that includes a cyclic prefix at a first portion of the OFDM symbol that is a copy of a second portion of the OFDM symbol; modulating, by the wireless device, at least part of the received ambient OFDM symbol, including: modulating either the first portion or the second portion of the ambient OFDM symbol with data; and reflecting, by the wireless device, at least the first portion and the second portion of the modulated OFDM symbol

Abstract: An apparatus may include a transistor, a capacitor, and an operational amplifier. The transistor may have a sub-threshold voltage applied to a gate of the transistor. The capacitor configured to store a first gate to-source voltage of the transistor while a first switch and a second switch are closed and a third switch is open. The capacitor may be charged to a first gate-to-source voltage of the transistor while the transistor is biased with a first bias current. The operational amplifier may be configured to determine a voltage difference between the first gate-to-source voltage stored in the capacitor and a second gate-to-source voltage of the transistor while the transistor is biased with a second bias current. The operational amplifier may determine the voltage difference while the third switch is closed and the first switch and the second switch are open. The voltage difference may correspond to a temperature of the transistor.

Abstract: The application relates to an apparatus, electronic device and method. The apparatus comprises circuitry configured to provide a direct current signal to a subject. The circuitry is configured to enable switching between a first circuit loop and a second circuit loop. The first circuit loop is configured to enable charging of a capacitor to enable measurement of a first time constant to be obtained where the first time constant is indicative of a charging time of the capacitor. The second circuit loop is configured to enable discharging of the capacitor to enable measurement of a second time constant to be obtained where the second time constant is indicative of a discharging time of the capacitor. The first time constant and the second time constant enable an impedance of the subject to be estimated.

Abstract: A capacitance-to-digital converter and an associated method and computer program product are provided that have an extended measurement range. A capacitance-to-digital converter includes first and second capacitors with the second capacitor being configured to measure a change in a value. The capacitance-to-digital converter also includes first and second switches switchably connecting the first and second capacitors, respectively, to a reference voltage while the first and second switches are in a first position such that charge is stored by the first and second capacitors in response to the reference voltage. The capacitance-to-digital converter further includes a saturation detector configured to detect the charge stored by the second capacitor equaling or exceeding the charge stored by the first capacitor and, in response, causing the first and second switches to switch to a second position while continuing to measure the change in the value with the charge stored by the second capacitor.

Abstract: An apparatus, method and computer program is described comprising: applying an electrical signal to a first electrical circuit formed between a first device electrode and a first eyelid electrode, an eyeball electrical path between the first eyelid electrode and a second eyelid electrode, the second eyelid electrode and a second device electrode, and the second device electrode and the first device electrode; and determining current and/or voltage measurements of the first electrical circuit, wherein a current and/or voltage is generated in the first electrical circuit in response to the applied electrical signal, and wherein the first device electrode is configured to form a first capacitor with the first eyelid electrode and the second device electrode is configured to form a second capacitor with the second eyelid electrode.

Abstract: A body impedance measurement apparatus and method as well as the transmitter and receiver of a body impedance measurement apparatus are provided. A body impedance measurement apparatus includes transmitter means configured to provide (62) an amplitude modulated signal via a transmitting electrode means (10) to a body to which the transmitting electrode means (10) is applied. The body impedance measurement apparatus also includes receiver means for receiving (64) signals, responsive to the amplitude modulated signal, via a receiving electrode means (12) that is configured to be applied to the body and to be remote from the transmitting electrode means (10) so as to be in wireless communication with the transmitting electrode means (10) via the body. The receiver means is configured to process (68) the received signals to determine a measure of the body impedance.

Abstract: An apparatus comprising: a memristor; means for wirelessly receiving, from another apparatus, a time-varying signal; means for enabling, responsive to the received time-varying signal, provision of one or more pulses to the memristor to change an electrical characteristic of the memristor; means for wirelessly signalling to the other apparatus when the electrical characteristic of the memristor reaches a threshold value; and means for re-setting the electrical characteristic of the memristor.

Abstract: A capacitance-to-digital converter and an associated method and computer program product are provided that have an extended measurement range. A capacitance-to-digital converter includes first and second capacitors with the second capacitor being configured to measure a change in a value. The capacitance-to-digital converter also includes first and second switches switchably connecting the first and second capacitors, respectively, to a reference voltage while the first and second switches are in a first position such that charge is stored by the first and second capacitors in response to the reference voltage. The capacitance-to-digital converter further includes a saturation detector configured to detect the charge stored by the second capacitor equaling or exceeding the charge stored by the first capacitor and, in response, causing the first and second switches to switch to a second position while continuing to measure the change in the value with the charge stored by the second capacitor.

Abstract: A method, apparatus and computer program product are provided to determine the fluorescence lifetime in an efficient manner In the context of a method electric charge generated by fluorescence emission during two overlapping time periods of a single measurement cycle is stored to form first and second measures. The electric charge generated during that segment of the two time periods during which the two time periods overlap is incorporated in the first measure and in the second measure. The method also includes determining a fluorescence lifetime based at least in part upon the first and second measures.