Title: Radiation scanning system with two scanners rotating about parallel axes

Abstract: A radiation scanning system having a radiation detector which receives radiation from a focussing system after reflection from first and second scanners which are rotatable about parallel axes, and in which the first scanner is annular having its reflective surfaces on its outer periphery, the rotational axis of the second scanner being displaced by a distance which is less than the radius of the second scanner from the plane containing the rotational axis of the first scanner and the axis of the radiation focussing system.

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Inventors: Runciman, Herbert Morrison (Glasgow, SC, US)
Berry, Peter John (Glasgow, SC, US)

Application Number: 748327
Filing Date: 1976-12-07
Publication_date: 1978-04-04
Assignee: Barr & Stroud Limited (Glasgow, SC)
Primary Class(es): 359/201 250/236, 359/198, 359/216
Other Classes:
US Patent Ref:

3604932	Sep, 1971	Beach	350/7.
3845298	Oct, 1974	Runciman	350/7.
3956585	May, 1976	Ullstig	250/236.

Other Refs: 2,212,5451,393,535

Sep, 1972	DT
May, 1975	UK

Primary Examiner: Henry, Jon W.
Assistant Examiner:
Attorney: Mason, Fenwick & Lawrence