Provided is an apparatus for determining the temperature of at least one fluid. The apparatus includes an optical fiber. A first end of the optical fiber is connected to at least one fiber tip, and a first additional reflector is introduced into the at least one fiber tip at a first predetermined distance from an outer end of the at least one fiber tip. A second end of the optical fiber is connected to a processing apparatus. The processing apparatus includes an optical source. The optical source is configured to launch an optical signal into the optical fiber, and a coherent detector. The coherent detector is configured to determine the temperature of at least one fluid by receiving a first light signal that corresponds to parts of the optical signal that are reflected at the outer end of the at least one fiber tip when the at least one fiber tip is inserted into the at least one fluid and a second light signal that corresponds to parts of the optical signal that are reflected at the first additional reflector when the at least one fiber tip is inserted into the at least one fluid, determining a difference of the optical phases of the first light signal and the second light signal, and determining the temperature of the at least one fluid based on the difference of the optical phases of the first light signal and the second light signal.

A method of assembling a device including, taking a casing including a body having an opening and a lid for the opening, locating at least one electronic component within the body; locating a first end of a cable for electrically connecting the electronic component within the body to an external device, and deforming at least one of the body and the lid so as to secure the lid to the body and such that the cable is secured to the casing by the lid.

A rotary position sensor is includes a static portion that comprises a first board and a second board and a rotatable portion that comprises a third board. The second board comprises a first planar coil; and the third board comprises a second planar coil as well as means for generating luminance. The first board comprises means for receiving the generated luminance and the first planar coil of the second board is configured to transmit power to said second planar coil of said third board via inductance. The power received by said second planar coil is configured to supply a current to said means for generating luminance; and said means for generating luminance is configured to emit a luminance signal which has a luminance level.

A Robotic control system has a wand, which emits multiple narrow beams of light, which fall on a light sensor array, or with a camera, a surface, defining the wand's changing position and attitude which a computer uses to direct relative motion of robotic tools or remote processes, such as those that are controlled by a mouse, but in three dimensions and motion compensation means and means for reducing latency.

An optical microphone assembly including a substrate, an interferometric arrangement, a light source, and at least one photo detector. The interferometric arrangement includes a membrane and at least one diffractive optical element spaced from the membrane. The diffractive optical element(s) include a plurality of lines formed in or disposed on a surface of the substrate and arranged in a first pattern. The substrate includes one or more holes extending fully therethrough, the hole(s) arranged in a second pattern that is different from the first pattern. The light source is arranged to provide light to the interferometric arrangement such that first and second portions of the light propagate along respective, different first and second optical paths via the interferometric arrangement. An optical path difference between the first and second optical paths depends on a distance between the membrane and the diffractive optical element(s). The hole(s) are positioned such that at least one of the first and second optical paths at least partly overlaps with the hole(s). The photo detector(s) are arranged to detect at least part of an interference pattern generated by said first and second portions of light dependent on the optical path difference.

An apparatus for measuring a position according to an embodiment includes a light source emitting light to an inner surface of a pipe, a first lens receiving reflected light from which light emitted by the light source is reflected by the inner surface and converting the reflected light into parallel light parallel to an optical axis, a second lens disposed on an optical path of the parallel light and converting the parallel light into a convergent refracted light, an image sensor disposed on an optical path of the refracted light, one or more elastic members disposed between the first lens and the second lens, and a plurality of wheels that are coupled to a side surface of the first lens and are in close contact with the inner surface to be rotated by movement of the moving body.

A sensor system includes a quantum dot including one or more paramagnetic centers. It comprises a control and evaluation device including a pump radiation source, a radiation receiver and which irradiates the quantum dot depending on a transmission signal. The quantum dot emits fluorescence radiation upon irradiation with the pump radiation, which depends on the magnetic flux density and/or on another physical parameter. The control and evaluation device generates an output signal including a measured value as a function of the fluorescence radiation. The control and evaluation device compensatingly readjusts the sensitivity of the quantum dot for the magnetic flux density and/or the other physical parameter by means of one or more compensation coils.

A sensor system includes a quantum dot including one or more paramagnetic centers. It comprises a control and evaluation device including a pump radiation source, a radiation receiver and which irradiates the quantum dot depending on a transmission signal. The quantum dot emits fluorescence radiation upon irradiation with the pump radiation, which depends on the magnetic flux density and/or on another physical parameter. The control and evaluation device generates an output signal including a measured value as a function of the fluorescence radiation. The control and evaluation device compensatingly readjusts the sensitivity of the quantum dot for the magnetic flux density and/or the other physical parameter by means of one or more compensation coils.

A multi-sensor component for the installation of at least two sensors at an individual port of a container for culturing biological material is provided. The multi-sensor component has a housing that can be introduced by a front housing segment into an uptake opening extending through the port of the container so that the front housing segment is facing the inside of the container. The multi-sensor component has a first sensor unit or a mount for a first sensor unit arranged on the front housing segment and has a second sensor unit or a mount for a second sensor unit arranged on the front housing segment.

A suspension assembly for a cycle includes a plurality of links pivotably connected to one another by a plurality of pivots. A rotation sensor measures an angular relationship between two links and a setpoint of the suspension assembly is adjusted based on the angular measurements.