Inventor:Chu; Moo J.
No. of patents:1
||Title Of Patent
||Multi-lens focussing arrangement for laser graphics imaging apparatus
||June 19, 1990|
|An arrangement for focussing a laser beam onto the imaging surface of a laser graphics imaging apparatus includes a viewing stage having a focussing lens and an associated eye lens that are mutually displaceable along a first optical axis through which the imaging surface is monitored |