Japan, March 5 -- TAMAGAWA SEIKI CO LTD has got intellectual property rights for 'RESOLVER INTERFACE CIRCUIT AND RESOLVER SYSTEM.' Other related details are as follows:
Application Number: JP,2022-090280
Category (FI): G01D5/20,110@Q
Stage: PROBLEM TO BE SOLVED: To suppress amplitude fluctuation of a resolver output signal of a phase modulation-type resolver due to the influence of velocity voltage.SOLUTION: A resolver interface circuit (100) disclosed herein comprises an excitation signal adjustment section (120) for adjusting an excitation signal supplied to a phase modulation-type resolver (10), the excitation signal adjustment section (120) being configured to adjust the level of the excitation signal according to a direction and spe...