This paper presents the results of the analysis of Polaroid optocoupler mechanical-electrical sensor static characteristics. Our paper achieves analysis on distance adjustment Polaroid optocouplers of LED-photoresistor and LED-phototransistor types. These optocouplers analysis was performed in two distinct cases by using 0.2 mm and 0.7 mm thick Polaroid filters. At present, this Polaroid optocoupler mechanical-electrical sensor is only a prototype.

Mechanical-electrical optoisolator transducers are position transducers which use as a sensor, a Polaroid optocoupler specialized in converting rotation and/or translation movements into electrical signals. The used sensor is an analog device whose transfer characteristic is non-linear. In this article is presented a method of linearizing this new type sensors's characteristic. The method is based on the analysis of the physical processes which take

LED-photoresistor mechanical-electrical optoisolator transducers are Polaroid optocouplers specialized in converting rotation/translation movements into electrical signals. The processes standing at the basis of such conversion are: light's polarization, re-orientation of the polarizing plan and modification of the distance between source and photoreceiver. This device is at the crossroad of three research directions: MEMS, Smart Lighting and that

We analyse three most common profiles of scanning functions for galvanometer-based scanners (GS), the sawtooth, triangular and sinusoidal functions. They are determined experimentally with regard to the scan parameters of the input signal (i.e. frequency and amplitude). We study the differences of the output function of the GS measured as the positional error of the oscillatory mirror from the ideal function given by the input signal of the device.