A CONTROLLER FOR VISUAL PHOTOSTIMULATOR
Tongrang Fan · Acta Physiological Sinica · 1984
A controller is designed and constructed for controlling optical parameters(wavelength,intensity,etc.)of stimuli delivered by a visual photostimulator.Change in optical parameters is realized by rotating disks on which optical filters(or apertures)are fixed.By comparing coded optical parameters with preset values,stepping motors can be driven so that the disks are rotated to appropriate positions.Operation is simple and reproduceable.