A substance concentration measuring device, for measuring a substance concentration for a target substance in blood of a subject, comprising: a processing circuit; and a plurality of electrodes. At least two of the electrodes touches the subject when the subject wears the substance concentration measuring device, thereby the processing circuit can acquire at least one physiological signal caused by an eye of the subject. The processing circuit computes a voltage value or a voltage difference of the physiological signal, and computes the substance concentration according to the voltage value or the voltage difference. A human condition monitoring system comprising the substance concentration measuring device is also disclosed.

A method and system for monitoring a user's intoxication including receiving a set of signals, derived from a set of samples collected from the user at a set of time points; providing a sobriety task to the user proximal to a time point of the set of time points; generating a performance dataset characterizing performance of the sobriety task by the user; receiving a supplementary dataset characterizing a demographic profile of the user and/or a physiological state of the user; determining a set of values of an intoxication metric, derived from the set of signals; generating a predicted temporal profile of the intoxication metric for the user based upon the set of values, the set of time points, and the supplementary dataset; generating an analysis of the user's sobriety based upon the performance dataset and the predicted temporal profile; and providing a notification to the user based upon the analysis.

Disclosed is a device for transdermally detecting the concentration of one or more substances in a subject's bloodstream. The device includes a signal generation module arranged to generate microwave frequency signals at one or more discrete frequencies. The device also includes a sensor module comprising at least one microwave resonance sensor arranged to make contact with a subject's skin, the at least one microwave resonance sensor arranged to transmit microwave frequency signals generated by the signal generation module into the subject's body. The device also includes a signal processing module connected to the at least one microwave resonance sensor and arranged to: detect a resonance characteristic of the at least one microwave resonance sensor, and process the resonance characteristic to determine the concentration of one or more substances in a subject's bloodstream.

Various embodiments provide systems and methods for identifying impairment using measurement devices.

This invention relates to an ingestible drug delivery device configured for wireless communication with other ingestible drug delivery devices.

A method of providing safety in a level 3 autonomous vehicle by mounting a plurality of cameras in a vehicular cabin to detect edges; translating the edges into motions of a human or a biological entity; and monitoring safety conditions for the human or biological entity.

Provided are transdermal microneedle-based devices for sensing the presence and concentration of analytes such as electrolytes, biomarkers, drugs, and proteins in interstitial fluid. Also provided are methods and systems to transmit the data obtained by wired or wireless connection to a receiver and to relay the data to the user or a clinician.

A system for screening impairment of a subject includes an imaging device and a display connected to a controller, the controller configured to send a first eye test signal to the imaging device and a second eye test signal to the display to initiate an eye test, and further configured to receive an eye test feedback signal based on captured images of subject eye movement during the eye test. The controller is configured to send a first cognitive test signal to the imaging device and a second cognitive test signal to the display to initiate a cognitive test, and is further configured to receive a cognitive test feedback signal based on captured images of subject eye movement during the cognitive test. A balance sensor is connected to the controller, the controller configured to receive a balance test feedback signal from the balance sensor indicative of subject movement during a balance test. A physiological sensor is connected to the controller, the controller configured to receive a physiological activity feedback signal from the physiological sensor indicative of subject physiological activity. The controller is configured to generate an impairment indication based on the eye test feedback signal, the cognitive test feedback signal, the balance test feedback signal, and the physiological activity feedback signal. A method for screening impairment of a subject is also disclosed.

A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value. The system includes an alcohol sensor operable to detect a current alcohol concentration in blood of the user, and a portable apparatus. The alcohol sensor and the portable apparatus each comprise a wireless communication apparatus. The wireless communication apparatus in the alcohol sensor is operable to wirelessly transmit the current alcohol concentration to the wireless communication apparatus in the portable apparatus.

Devices, methods and systems related to wearable patch having blood alcohol content detector. In some embodiments, a wearable patch can include a patch structure having one or more layers and configured to allow the patch to be worn by a user, and an analyzer component implemented on or at least partially within the patch structure and configured to measure alcohol content level in the user. The wearable patch can further include an interface component implemented on or at least partially within the patch structure and in communication with the analyzer component, with the interface component being configured to provide a notification based on the measured alcohol content. In some embodiments, such a wearable patch can be a part of a system such as a monitoring system or a compliance system.