ENGRAVING MACHINE Russian patent published in 1997 - IPC

FIELD: ENGRAVING equipment, production of ENGRAVING machines used for application on wood, stone or metal surface of images in accordance with copying original. SUBSTANCE: ENGRAVING machine has operational tool with coordinate drive of scanning, photoelectric block of reading, output of which through amplifier is connected to control input of amplitude modulator, generator. In the case ENGRAVING machine is added with frequency modulation unit and amplitude modulator amplification factor adjustment unit, inputs of which are connected to output of amplifier. EFFECT: improved design. 2 dwg