Mechanical scanning and associated recorder machine design arrangements are illustrated fairly well by:
Kleinschmidt (U.S. Patent 2,046,328, E.E. Kleinschmidt).
Photo-optical scanning and associated recording design is covered briefly by the:
Whitaker and Collings companion facsimile symposium paper (RCA Institutes Technical Press, âRadio Facsimileâ, pp. 284-293, J.N. Whitaker, F.C. Collings).
(C) Marius Rensen