There is provided a portable device (2) for wirelessly communicating with a remote further device (4). The portable device comprises a power source (6) chargeable by a power supply (8) separate from the portable device. The portable device is configured to have a plurality of coupling states associated with the power supply. The power supply is separate from the device and remote from the further device. The portable device also comprises communication apparatus (10) wirelessly connectable to the further device and configured to enable the portable device to have a wireless connection state associated with the further device. A processor (12) is configured to monitor a change between a first and a second of the said coupling states; and, output data for changing the connection state based upon the change from the first coupling state to the second coupling state.

In part, the invention relates to an image data collection system. The system can include an interferometer having a reference arm that includes a first optical fiber of length of L1 and a sample arm that includes a second optical fiber of length of L2 and a first rotary coupler configured to interface with an optical tomography imaging probe, wherein the rotary coupler is in optical communication with the sample arm. In one embodiment, L2 is greater than about 5 meters. The first optical fiber and the second optical fiber can both be disposed in a common protective sheath. In one embodiment, the system further includes an optical element configured to adjust the optical path length of the reference arm, wherein the optical element is in optical communication with the reference arm and wherein the optical element is transmissive or reflective.

A bio-signal measurement apparatus comprises tool-less connectors, coupling targets, a controllable coupling selection arrangement, and a control arrangement. The tool-less connectors are for an electric contact with a separate docking apparatus or an electrode arrangement. The coupling targets include a battery and a data communication unit that performs electrically a plug-and-play data transfer with the separate docking apparatus. The tool-less connectors, the number of which is three, are electrically coupled with the controllable coupling selection arrangement, which electrically couples all the tool-less connectors with only one of the coupling targets at a time in response to control from the control arrangement. The battery receives electricity from the tool-less connectors for charging the battery through the electric coupling caused by the coupling selection arrangement under control of the control arrangement during a first time window when the bio-signal measurement apparatus is connected with the docking apparatus. The data communication unit sends and/or receives data through the tool-less connectors using the plug-and-play data transfer based on the electric coupling caused by the coupling selection arrangement under control of the control arrangement during a second time window when the bio-signal measurement apparatus is connected with the docking apparatus.

Systems and methods are described for providing power transfer between modular intraluminal devices. A system embodiment includes, but is not limited to, a first intraluminal device and a second intraluminal device; the first intraluminal device including a body structure, a sensor, a processor, a data transmitter, and an energy storage module configured to power at least one of the sensor, the processor, or the data transmitter; the second intraluminal device including a second body structure, an energy storage device, and a docking structure, where the energy storage device is configured to transfer energy when the first intraluminal device and the second intraluminal device are coupled via the docking structure, the docking structure further configured to automatically decouple the first intraluminal device and the second intraluminal device subsequent to transfer of the energy.

A patch for a therapeutic electrical stimulation device includes a shoe connected to the first side of the patch, the shoe including a body extending in a longitudinal direction from a first end to a second end, and having first and second surfaces, the first end of the shoe defining at least two ports, and the first surface of the shoe defining a connection member. The patch also includes at least one conductor positioned in the ports of the first end of the shoe. The shoe is configured for sliding insertion into a receptacle defined by a controller so that the conductor is connected to the controller to deliver electrical current from the controller, through the conductor, and to the electrodes, and the connection member is at least partially captured by a detent defined by the controller in the receptacle to retain the shoe within the receptacle.

Methods, systems and devices are provided for displaying monitored activity data in substantial real-time on a screen of a computing device. One example method includes capturing motion data associated with activity of a user via an activity tracking device. The motion data is quantified into a plurality of metrics associated with the activity of the user. The method includes connecting the activity tracking device with a computing device over a wireless data connection, and sending motion data from the activity tracking device to the computing device for display of one or more of the plurality of metrics on a graphical user interface of the computing device. At least one of the plurality of metrics displayed on the graphical user interface is shown to change in substantial real-time based on the motion data.

Method for coupling a sensor to a piece of equipment, such as a golf club, baseball bat, or tennis racket, that ensures that the sensor is in a known position and orientation relative to the equipment. Compensates and calibrates for degrees of freedom introduced in manufacturing and installation. The method may include manufacturing a sensor receiver that aligns with equipment in a fixed orientation, and that holds a sensor housing in a fixed orientation relative to the receiver. Remaining uncertainties in sensor position and orientation may be addressed using post-installation calibration. Calibration may include performing specific calibration movements with the equipment and analyzing the sensor data collected during these calibration movements.

A multifunctional electrophysiological monitoring system includes a body-worn tattoo sensor pattern and an electrophysiological monitor connected to sensor contacts of the pattern. A dongle performs a supplemental function, such as acquiring information about a physiological parameter. The dongle interfaces with a port of the monitor. The monitor interfaces wirelessly with a mobile communication device and a monitor network. In an embodiment, the monitor transmits ECG, EMG, or EEG signals. The dongle may provide further monitoring such as body temperature or blood oxygen saturation level. In some embodiments a plurality of dongles may be connected to the monitor.

A reading device, applied with at least one temperature sensing device and at least one external device; the temperature sensing device electrically connected with the reading device, comprising at least one temperature sensing patch which is capable of attaching on human skin, and sensing as well as recording body temperature change; the outer device being connected with, the reading device by a wireless communication; the reading device comprising: a housing, a data transmission port group, a screen, an external device connection port group, a memory unit, a processor unit, a control interface, and a wireless communication unit; the reading device is capable of reading and integrating the body temperature data obtained from the temperature sensing patch, and transmitting rapidly to the external device, whereby the medical personnel could quickly and easily know a patient's body temperature change, and effectively determine the patient's condition

A temperature sensing patch that is easy to use and capable of efficiently monitoring temperature change in human, body for a long time, capable of being used with a reading device, comprising the temperature sensing patch configured to attach to human skin, comprising a housing, a circuit board, a temperature sensing unit electrically connected with the circuit board, a battery, a processor chip, at least a memory unit, and at least a port; wherein the processor chip can automatically turn on the temperature sensing patch and reset the previous data by a predetermined program, rather than through a manual switch, when the temperature sensing patch is removed from the reading device.