An ambient light signal adjustment method, a chip and electronic equipment. The method includes: receiving a first ambient light signal which is an ambient light signal acquired by a photo plethysmor graph (PPG) sensor; then determining, according to an intensity of the first ambient light signal automatically, whether to turn on an ambient light cancellation circuit which is configured to adjust the first ambient light signal according to the intensity of the first ambient light signal; and if it is determined to turn on the ambient light cancellation circuit, then adjusting a cancellation signal intensity of the ambient light cancellation circuit automatically to enable an intensity of the adjusted first ambient light signal to be within a preset range. Adjustment of the ambient light signal acquired by the PPG sensor is realized, thereby ensuring accuracy of a wearable device to detect a physiological characteristic of a user.

A portable device for measuring the state of health of a user configured to be carried/worn by the user and comprising at least one measurement unit and at least one electric battery supplying the measurement unit with electricity, said electric battery comprising at least two charging electrodes that are configured to cooperate with a charging device in order to electrically recharge the electric battery, among which at least two of the charging electrodes, referred to as charging and measurement electrodes, are configured so as to be in contact with the sweat of the user and are connected to the measurement unit in order to measure, in cooperation with said measurement unit, at least one physical parameter of the sweat of the user, in order to measure their state of health.

A medical device includes a printed circuit board-battery assembly, a tape encapsulation assembly wrapped around the PCB-battery assembly, and a second removable tab positioned on a surface of the tape encapsulation assembly. The second removable tab provides an adhesive layer on a surface of the medical device when the second removable tab is removed from the medical device. The PCB includes the electronic circuitry that performs the functionalities of the medical device, including an optical sensor that comprises at least one light source to emit light towards a measurement site of a user and at least one photodetector to receive light returned from the measurement site. The medical device can connect to a host computing device that performs various operations, including, but not limited to, authenticating the medical device, causing measurement values such as blood oxygen saturation (SpO2), pulse rate (PR), and a perfusion index (PI) to be provided.

A charging device for a physiological signal transmitter is disclosed, wherein the physiological signal transmitter is to receive and transmit a physiological signal from a subcutaneous tissue of a living body, and has a first electrical connecting port. The charging device comprises a body including a placing portion, a charging module and an operating module. The placing portion disposes thereon the physiological signal transmitter, and includes a bearing surface and a first opening. The bearing surface disposes thereon the physiological signal transmitter, and the first opening aligns therewith the first electrical connecting port of the physiological signal transmitter. The charging module is accommodated in the body and includes a second electrical connecting port, a third electrical connecting port and a circuit assembly. The second electrical connecting port is disposed in the opening and protrusive beyond or beneath the bearing surface. The third electrical connecting port is connected to a power source. The circuit assembly is configured to control a charging on the physiological signal transmitter, and electrically connected to the second electrical connecting port and the third electrical connecting port. The operating module is accommodated in the body, and coupled with the charging module, wherein when the physiological signal transmitter is placed on the bearing surface and in a first operating state, the operating module protrudes the second electrical connecting port beyond the bearing surface to electrically connect with the first electrical connecting port.

A blood pressure measurement method and a blood pressure measurement device using the same are provided. The method includes identifying an input value; if the input value is larger than 2, performing, by a blood pressure detector, N times of blood pressure measurement operation sequentially according to the input value, so as to obtain N blood pressure detection values, wherein a value of N is equal to the input value; sorting, according to the size of the N blood pressure detection values, the N blood pressure detection values to obtain N sorted blood detection values, and selecting one or more target sorted blood detection values which is ordered in the middle of the N sorted blood pressure detection values, so as to obtain a blood pressure measurement result value; and outputting, by an output unit, the blood pressure measurement result value.

A battery pack assembly includes an array of individual electrochemical cells electrically connected to one another. The array of individual electrochemical cells is embedded and encapsulated by a matrix of conformable material and the matrix of conformable material provides a protective outer shell. A sensor is electrically connected to the array.

A device for detection of tetrahydrocannabinol or THC in a sample includes a sensor including a substrate and a sensor medium on the substrate. The sensor medium includes at least one nanostructure, wherein at least one property of the sensor medium is dependent upon the presence of THC on a surface of the sensor medium. The device further includes electronic circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the at least one property of the sensor medium dependent upon the presence of THC.

Patient care equipment includes a wireless coupler that transfers power and/or data between an architectural unit and the patient care equipment. The patient care equipment may also include additional wireless couplers that transfer power and/or data between first and second components of the equipment. The second component may be movable relative to the first component. A structure or hot swapping batteries is also disclosed, the swapped battery being charged on an inductive charging mat.

An embodiment of an eye-mountable device includes an optical lens; an accommodation actuator to provide vision accommodation for the optical lens; a controller including an accommodation logic to select one of a plurality of vision accommodation states for the device, the plurality of vision accommodation states including at least a failsafe focal distance; and a failsafe subsystem including a system health detector, the system health detector to monitor for one or more operational indicators for the device, wherein the failsafe subsystem is to cause the device to transition to a failsafe mode upon the failsafe subsystem identifying a failure condition for the device, the failsafe mode includes setting the vision accommodation state to be the failsafe focal distance.

A transmission apparatus for the transmission of brain parameter sensor data includes, a receiving unit with an antenna, which can be wirelessly connected to a transmitting unit of a brain parameter sensor for data transmission, a data processing device which is in signaling connection to the receiving unit, a high frequency source for generating a data transmission carrier frequency, wherein the high frequency source is integrated in a housing of the data processing device. The result is a transmission apparatus which is designed for use in a domestic patient environment.