SYSTEM FOR REGISTRATION OF CHANGES OF ORDER OF INTERFERENCE UNDER DYNAMIC CONDITIONS Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: system of registration of changes of order of interference under dynamic conditions has device 1 for fixing of zero position of achromatic stripe including amplifier 2, analog-to-digital converter 3, comparator 4, counter 5, pulse generator 6, generator 7 of linearly growing signal, converter 8 of turn of modulator. System also has device 16 for fixing of change of order of interference which incorporates amplifier-former 17, phasemeter 18, computer 19, generator 20 of linearly growing signal, converter 21 of turn of modulator, pulse generator 22 and counter 23. EFFECT: increased accuracy of registration. 5 dwg