Abstract: An inductive power outlet for providing power to an electric load via an inductive power receiver includes at least one primary inductive coil wired to a power supply via a driver configured to provide a driving voltage across the primary inductive coil such that a secondary voltage is induced in a secondary inductive coil associated with the inductive power receiver. The driver may include a controller configured to receive feedback control signals from the inductive power receiver indicating if more or less power is required. The controller may be further configured to adjust the driving voltage according to the control signals.

Abstract: A resting body support, such as a mattress or an encasement for a resting body support, comprising a sensor layer is disclosed which may incorporate a mattress adjustment system. The system may comprise at least one pressure detection mat comprising a plurality of sensors arranged in a matrix and at least one processor configured to monitor a plurality of pressure values detected by each of said sensors; and at least one active mattress comprising a plurality of cells, the cells being controlled by an inflation control unit that is connected to said processor, and operable to individually adjust the level of inflation of said plurality of cells based on said plurality of pressure values.

Abstract: An inductive power transfer system and method for transferring power to an electrical device wirelessly. The system includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation.

Abstract: An inductive power transmitter comprising: at least one first primary inductor configured to couple inductively with at least one secondary inductor and configured to hold a first variable electrical potential, at least one second primary inductor configured to couple inductively with at least one secondary inductor and configured to hold a second variable electrical potential, wherein the first primary inductor and the second primary inductor are arranged in an overlapping fashion on a substrate forming a charging surface, and wherein the first variable electrical potential differs from the second variable electrical potential according to a parameter selected from a phase, a driving frequency, or a combination thereof.

Abstract: An inductive power transfer system and method for transferring power to an electrical device wirelessly. The system includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation.

Abstract: An inductive power transfer system for charging batteries may include an inductive power transmitter, an inductive power receiver and an electrochemical cell or battery. The inductive power receiver may include a secondary inductor incorporated in enabled batteries or battery packaging, which when inductively coupled to a primary inductor of an inductive transmitter is operable to supply a potential across the electrochemical cell or battery thereby enabling the cell or battery to be charged or maintained at a charged level. The inductive battery may be in the shape of an industry standard battery.

Abstract: A triggerable power transmitter for power transmission from a primary coil to an inductively coupled secondary coil in a power receiver has a primary coil; a driver for electrically driving the primary coil; a front end receiving analog signal indicative of resonance properties of the primary coil and generating digital information in response to the analog signal; and a processor capable of: determining if said primary coil is coupled to a secondary coil based on the digital information, and triggering power from the primary coil to said secondary coil when said primary coil is inductively coupled to said secondary coil. The effective inductance of the primary coil increases reducing the resonance frequency when a secondary coil is inductively coupled to the primary coil. However, foreign material such as a metal sheet placed on the primary coil increases the effective resistance thus shortening the decay time of the resonance.

Abstract: An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss.

Abstract: A pressure wound prevention system operable to prompt at least one caregiver to reposition a subject at risk of developing pressure wounds. A pressure detection apparatus comprising a plurality of sensors monitors pressure exerted upon the subject by a surface. A processor is operable to interpret and analyze data from the sensors and a notification mechanism such as a display, an alert, alarm or the like is provided to notify a caregiver when the subject requires repositioning.

Abstract: A method for manufacture of a pressure sensing mat comprising the steps of: (a) preparing two conductive layers, each conductive layer comprising an array of conducting strips mounted upon a substrate arranged in a parallel fashion, wherein the conducting strips of the first conductive layer are oriented perpendicularly in relation to the conducting strips of the second conductive layer; (b) for each conductive layer, connecting each of the conducting strips to a communication line; (c) sandwiching a compressible layer between the two conductive layers; and (d) performing a pressure reading standardization test to the mat.

Abstract: A combined inductive power receiving system and method for selectively providing at least one of power and communication reception. The combined inductive power receiving system comprises at least one inductive power receiver module configured to couple with at least one Near Field Communication (NFC) module possibly using a combined communication antenna. The inductive receiver module may comprise a power reception circuit operable to receive power from a secondary inductor and to provide power to an electric load; a selection switch operable to allow transmission of wireless power from the secondary inductor to the power reception circuit; and a matching circuit operable to filter transmission of NFC signals to the NFC reader module.

Abstract: A system supporting subject risk analysis and risk event management for detecting possible risk indications and the risk of a subject developing pressure injuries. The system includes monitoring risk events using a pressure sensing apparatus and by recording pressure values at a plurality of pixels of a sensing mat to determine subject's pressure distribution and associated pressure image at any given time. The mapping of pressure sensing elements coordinates of the pressure sensing apparatus to a subject-based coordinate system using applicable transformation functions enables risk analysis and display of subject's pressure distribution maps representing gathered data at different times. Pressure images of the subject's pressure distributions helps in identifying postures adopted by a subject, determining risk of a subject developing pressure injuries and registering possible bed-exit and bed-fall risk events.

Abstract: A system for reading a meter is provided. The meter comprises a visual display behind by a transparent cover, the visual display comprising one or more indicators each representing a sub-value and together representing a metered value measured by the meter. The system comprises an imaging unit comprising an imaging device and an adhesive configured to facilitate mounting of the imaging unit over the cover of the meter such that the imaging device faces the visual display, and a processor configured to recognize values represented by the indicators are imaged and calculate, based thereon, the metered value.

Abstract: An inductive power receiver configured for receiving power transferred from an inductive power outlet having a primary coil includes a secondary coil configured to form an inductive couple with the primary coil thereby facilitating the power transfer. The inductive power receiver further includes a transmission circuit having a variable amplifier configured to vary the voltage of the power drawn by the secondary coil, and a modulator configured to control the variable amplifier. The inductive power receiver is configured to modulate a signal by the varying of the voltage. An inductive power outlet configured for transferring power to the inductive power receiver includes a primary coil and a receiving circuit configured to detect changes in voltage of the power transferred and to produce an output signal based on the changes.

Abstract: An inductive power transfer system and method for transferring power to an electrical device wirelessly includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation.

Abstract: A hybrid power load balancing system configured to manage the amount of power transfer via a plurality of inductive coils is provided. The system comprises one or more power supplies, a plurality of inductive outlets associated with and configured to be supplied power by each of the power supplies for providing power to loads connected thereto, and a load balancer associated with each of the outlets. A power supply and its associated outlets and load balancers constitute a cluster. The load balancers are configured to grant power classes to the outlets to supply at least a minimum required power class to each of the attached loads.

Abstract: An inductive power outlet for providing power to an electric load via an inductive power receiver includes at least one primary inductive coil wired to a power supply via a driver configured to provide a driving voltage across the primary inductive coil such that a secondary voltage is induced in a secondary inductive coil associated with the inductive power receiver. The driver may include a controller configured to receive feedback control signals from the inductive power receiver indicating if more or less power is required. The controller may be further configured to adjust the driving voltage according to the control signals.

Abstract: An inductive power transfer system and method for transferring power to an electrical device wirelessly. The system includes an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation.

Abstract: An inductive power transfer system comprising a primary inductor wired to a transmission controller and a power supply via a driver, and operable to inductively couple with a secondary inductor wired to an electric load via a reception circuit. The transmission controller instructs the driver to apply an oscillating driving voltage to said primary inductor in an intermittent pattern comprising an alternation of the driver being in an ON state and an OFF state, characterized by a transmission requirement profile. The level of power transmission during the ON state may be the power level at which the inductive power transfer system transfers power with high efficiency. The reception circuit may comprise a power storage element configured to store power received by said secondary inductor when said driving voltage is applied, and to provide power to said electric load.

Abstract: An adjustable inductive power transmission platform includes inductive power outlets embedded into adjustable modules having multiple configurations. The inductive power outlets are configured to couple with inductive power receivers to provide power to electrical loads wired thereto. The multiple configurations of the adjustable modules allow the position of the inductive power outlets to be adjusted to match the locations of inductive receivers to suit changing requirements.