The present disclosure relates generally to a system and method for detecting or indicating a state of impairment of a test subject or user due to drugs or alcohol, and more particularly to a method, system and application or software program configured to creating a virtual-reality (“VR”) environment that implements drug and alcohol impairment tests, and which utilizes eye tracking technology to detect or indicate impairment.

A detection apparatus of vital parameters on a steering wheel is provided. The apparatus includes a horn switch, remote control switches configured to operate devices within a vehicle and a vital signal detector configured to detect a vital signal of an operator. The vital signal detector includes a detection sensor that is configured to detect the vital signal of the operator and a photo sensor that is mounted on the remote control switch. Accordingly, the separate space for the assembling portion of the vital signal detector is not required and the volume of the apparatus and the number of components are reduced. The mountability and the aesthetics are improved.

The relates to a back surface of the device including one or more protrusions configured to create the localized pressure. In some examples, the protrusion(s) can be located between the optical components and one or more edges of the back plate. In some examples, the protrusion(s) can include a surface that can be raised relative to the back plate of the device. In some examples, one or more protrusions can include one or more recessed regions. In some examples, the cover structure disposed over each of the openings may itself be a protrusion that can apply local regions of higher pressure. The protrusion(s) can be capable of applying localized pressure to multiple spatially separated regions of the skin. Additionally or alternatively, the protrusion(s) can be capable of applying different amounts of localized pressure. Examples of the disclosure can include the Fresnel lens(es) and/or optical isolation optically coupled to the protrusion.

A spectrophotometric apparatus for determining optical parameters in a scattering medium based on the measurement of attenuation of light propagating through said medium by diffusion. To eliminate the detrimental effect of light being guided in an intermediate optical layer between a surface of the medium and a contact surface of the apparatus, either a multitude of optical barriers may be formed in the contact surface or the angular range over which light is emitted or received by the apparatus may be limited by appropriate means. With both of these alternative approaches, light propagation in the intermediate layer can be suppressed, leading to increased measurement accuracy. This is particularly beneficial for building an oximeter with improved precision. Further aspects include features for improving the applicability of the apparatus on curved surfaces such as the strongly curved skulls of neonates.

To provide a biological information measuring device capable of suppressing positional displacement between a light emitting element and a light receiving element, and an opening formed on a light shielding film. A biological information measuring device provided with a plate-shaped lid having translucency, a first light shielding film provided on a first principal surface of the lid and having conductivity, a light emitting element, and a light receiving element, in which the light emitting element and the light receiving element are electrically joined to the first light shielding film, and the first light shielding film includes a first light emitting side opening through which light emitted from the light emitting element passes, and a first light receiving side opening through which light received by the light receiving element passes.

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a bandage that is constructed as a single piece such that plural layers of the bandage are configured together to allow for a leaflet opening of the bandage, for example using at least one removable liner or tab, to insert a pulse oximetry circuit therein.

An optical sensor device includes a substrate, a light-receiving element, a light-emitting element, a first transparent substrate, and a second transparent substrate. The substrate includes a first opening, and a second opening at a distance from the first opening. The light-receiving element is in the first opening. The light-emitting element is in the second opening, and at a distance from the light-receiving element. The first transparent substrate is placed on an upper surface of the substrate and bonded to the substrate to close the first opening and the second opening. The second transparent substrate is placed on an upper surface of the first transparent substrate.

Disclosed are devices and methods for non-invasively measuring arterial stiffness using pulse wave analysis of photoplethysmogram data. In some implementations, wearable biometric monitoring devices provided herein for measuring arterial stiffness have the ability to automatically and intelligently obtain PPG data under suitable conditions while the user is engaged in activities or exercises. In some implementations, wearable biometric monitoring devices are provided herein with the ability to remove PPG data variance caused by factors unrelated to arterial stiffness. In some implementations, wearable biometric monitoring devices have the ability to perform PWA while accounting for the user's activities, conditions, or status.

A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use. Further, embodiments of the sensor cover can prevent damage to the sensor. Additionally, embodiments of the sensor cover prevent contamination of the sensor.

A pulse oximeter device is provided that includes a first light emitting element configured to emit red light, a second light emitting element configured to emit green light or near infrared (NIR) light, and a sensor element configured to detect red and green light or detect red and NIR light. The sensor element may have a substantially circular geometry, and the first light emitting element and the second light emitting element may each have a substantially arc-shaped geometry, and wherein the sensor element is positioned between the first light emitting element and the second light emitting element, or the first and second light emitting elements together may have a substantially circular geometry, and wherein the sensor element comprises one or more substantially arc-shaped portions, and wherein the first and second light emitting elements are partially surrounded, or fully surrounded, by the sensor element.