ANGLE DETERMINATION DEVICE Russian patent published in 2001 - IPC

FIELD: measuring technology. SUBSTANCE: device is designed to determine angular position of shaft or other member of actuating mechanism. Device has angle-data transmitter with three phase outputs, for example, selsyn connected to synchronous demodulator inputs. Three multipliers provide for multiplication of signals at synchronous demodulator outputs at synchronous demodulator outputs with output signals of three-phase reference-voltage generator. Sum of products obtained at adder output is converted to signal convenient for indication and is displayed on indicator. The device makes it possible to obtain voltage at converter input, phase of which is linearly-dependent from angle of turn of angle-data transmitter. EFFECT: enhanced accuracy of measurement. 1 dwg