OPTOELECTRONIC DEVICE FOR MEASURING DIMENSIONS OF PIECE SHELLS Russian patent published in 1996 - IPC

FIELD: gaging. SUBSTANCE: device has optical measuring head having a case, objective, elastic suspension with core and mirror pyramid secured to it, coil of vibration drive connected to the generator, and four mirrors mechanically linked to the nut, springs, and levelers. Rotatable case of the optical head is installed in the bearing. Correction mechanism is installed on the case. The mechanism comprises two mirrors hinged to each other, and rotary device. Mask and movable diaphragm and photoreceivers are installed in the image plane of the header. Electronic register of signals consists of photoreceivers, amplifiers, pulse shapers, low frequency filters, subtracters. Electric drive has amplifiers and servodrives. EFFECT: high accuracy. 3 dwg