An ultrasonic probe includes, a transducer transmitting and receiving ultrasonic waves, and converting ultrasonic signals into voltage signals and vice versa, a first circuit configured to transmit pulse voltage signals to the transducer and receive the voltage signals from the transducer, a second circuit configured to convert the voltage signals received from the first circuit into digital values from analog values, a battery unit configured to supply electric power to the first circuit and the second circuit, and a substrate being provided with the transducer, the first circuit and the second circuit, the first circuit being disposed on a first surface of the substrate, and the second circuit being disposed on a second surface opposite to the first surface of the substrate.

A gas sensor for measuring concentration of a predetermined gas includes a light source (2) arranged to emit pulses of light, a measurement volume (10), a detector (4) arranged to receive light that has passed through the measurement volume (10), and an adaptable filter (6) disposed between the light source (2) and the detector (4). The gas sensor has a measurement state in which it passes at least one wavelength band which is absorbed by the gas and a reference state in which said wavelength band is attenuated relative to the measurement state. A controller is connected to each of the light source, the detector and the adaptable filter to change the adaptable filter between one of said measurement state and said reference state to the other at least once during a gas sensor operation period.

Methods and systems for detecting oil proximate to a body of ice is disclosed herein. An example system includes an energy emitter disposed proximate to a first surface of a body of ice. An energy detector is disposed proximate to a second surface of the body of ice. The energy detector is used to map a distribution of oil proximate to the body of ice based, at least in part, on differences in energy transmitted through the body of ice.

Methods and systems for detecting oil proximate to a body of ice is disclosed herein. An example system includes an energy emitter disposed proximate to a first surface of a body of ice. An energy detector is disposed proximate to a second surface of the body of ice. The energy detector is used to map a distribution of oil proximate to the body of ice based, at least in part, on differences in energy transmitted through the body of ice.

An LED inspection lamp has plurality of LED sources for emitting electromagnetic radiation at different peak wavelengths for causing visible fluorescence in different leak detection dyes. A lens is associated with each LED. Radiation passing through lenses is superimposed in target area at target distance. Another LED inspection lamp has plurality of LEDs emitting electromagnetic radiation at a peak wavelength. A lens adaptor has lens housing for attachment to LED inspection lamp with a single LED for causing visible fluorescence, and a lens. Substantially all of the radiation from the LED passes through the lens and is focused in a target area at a target distance from the lenses. LED spot lights have a similar configuration. The LEDs may produce white light from distinct LEDs or from white LEDs. The light may be a flashlight or fixed spot light.

A detection device includes: a housing having a first surface with a light-shielding property and a second surface with a light-transmitting property; a light source provided inside a first area of the housing and configured to emit light from the second surface contacting a measurement target such that the light travels toward the measurement target; a first optical sensor provided inside the first area and capable of receiving light from the second surface; and a second optical sensor provided inside a second area different from the first area of the housing. The housing has an opening formed in the first surface of the second area and that allows light from an outside of the housing to pass therethrough to an inside of the housing. The second optical sensor configured to receive light from the opening and has a side that faces the second surface and is shielded from light.

A remote sensing device is described. The remote sensing device includes an enclosure that houses a smartphone processor, a smartphone memory, a sensor module, a separate microcontroller, and a wireless communication module. The remote sensing device includes a smartphone operating system having a kernel that includes a plurality of device drivers. The smartphone processor, smartphone memory, sensor module and wireless communications module are managed by the smartphone operating system. The separate microcontroller includes a power management module. A battery is electrically coupled to the microcontroller. The battery powers the smartphone processor, the smartphone memory, and the sensor module. The wireless communication module is communicatively coupled to a wide area network. The wireless communication module receives an over-the-air (OTA) update for a device driver associated with the sensor module.

Disclosed herein are devices and systems for detecting microbial activity. A device (100) for detecting microbial contamination comprises a light source (20) that is configured to be optically coupled to an optical element (10), the optical element comprising a waveguide (2) and a diffraction grating (4), that together support a plurality of guided mode resonances at selected wavelengths of light from the light source. The device also comprises a condensing wall (40) having a condensing surface (50) on which liquid in gas (vapour) can condense, wherein the condensing surface is shaped, or engineered, to support flow of condensed liquids under gravity towards a collecting point (55) where the liquid can pool (6) around the optical element. The device further comprises a detector (30) configured to detect a property of a resonant guided mode of the plurality of resonant guided modes thereby to detect the presence or absence of microbes in the liquid that pools around the optical element.

The present disclosure, among other things, describes a reader system comprising a casing, an optical system, an electromechanical motor system, and one or more digital processors.

A spectroscopy instrument and method including a source of electromagnetic radiation, a controllable power source for energizing the source of electromagnetic radiation to direct the electromagnetic radiation to a sample for analysis by one or more spectrometers, and a temperature sensor. There is a controller, memory, and controller instrument warm-up instructions, stored in the memory. The instrument warm-up instructions are configured to read an output of the temperature sensor. If the temperature sensor output indicates an instrument temperature lower than a first setpoint, the power source is controlled to energize the source of electromagnetic radiation to heat the instrument. If the temperature sensor output indicates the instrument temperature is equal to or higher than a second setpoint, the power source is controlled to de-energize the source of electromagnetic radiation.