METHOD AND APPARATUS FOR CONTROLLING DROPLET VELOCITY IN NON-IMPACT PRINTING

摘要

A recording apparatus and method is disclosed which includes a writing fluid source feeding drop projection means which asynchronously ejects a series of droplets of writing fluid from an integrally constructed, multiple nozzle printing head in a discontinuous stream with sufficient velocity to traverse a substantially straight trajectory to a recording medium. The volume and velocity of each droplet is individually controlled by electrical pulses applied to the projection means from an electronic driver. The projection means may be employed and connected to an electronic, alphanumerical character generator to form predetermined graphical intelligence patterns on the recording medium.