A data processing form for use with photo-sensing apparatus that detect the presence of indicia at indicia-receiving locations on the form. The form is composed of a sheet of carrier material and plurality of indicia-receiving locations. The indicia-receiving locations are defined ...http://www.google.es/patents/US5733693?utm_source=gb-gplus-sharePatente US5733693 - Method for improving the readability of data processing forms
Method for improving the readability of data processing forms
