The invention relates to a manually controlled input device for a computer which comprises a graph! graphics card for controlling a monitor video screen by means of! via a video signal, as a simulation and in the form! of a mechanical small-size spraying device (air brush) whose operating ...http://www.google.co.uk/patents/US5767843?utm_source=gb-gplus-sharePatent US5767843 - Manually controlled imput device for a computer
