This paper is an overview of electro-optical methods for generating a sequence of pixel clocks related to the angular rotation of a scanner excited in a sinusoidal motion. The emphasis is on the methods of synchronizing the clock generator to the scanner motion and the trade-offs between scanner frequency, pixel placement accuracy, and the total system resolution. The methods are applicable to data input and output applications. Both digital and analog implementations of a clock generator are explored, and the drift and stability issues examined. Scan field distortion correction capabilities are also detailed. The conclusion is that an electro-optical scanner system offers many of the features of a high quality spinner system at a lower cost.

Date Published: 27 November 1984
PDF: 8 pages
Proc. SPIE 0498, Laser Scanning and Recording, (27 November 1984); doi: 10.1117/12.944543

Published in SPIE Proceedings Vol. 0498:
Laser Scanning and Recording
Leo Beiser, Editor(s)