Optical scanning system including a rotatable drum with mirrors

Details Optical scanning system including a rotatable drum with mirrors Optical scanning system including a rotatable drum with mirrors

1982-03-24

1984-07-10

Henry, Jon W.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350274, 250236, G02B 2717

Patent

active

044589824

ABSTRACT:
An optical scanning system includes scanning means arranged to scan an object field and comprising, in one form, a rotatable drum (10) carrying a plurality of pairs of mirrors (12, 13). A detector (21) is provided which is sensitive to optical radiation directed on to it by the scanning means. Means, such as telescopes (17, 22) collect radiation from at least two fields of view for presentation to the object field of the scanning means. Optical switching means are provided so that radiation reaches the detector (21) from each field of view in turn. The switching means may be an optical shutter (14) having reflective regions (15) and transparent regions (16).

REFERENCES:
patent: 3024449 (1962-03-01), Guerth
patent: 3219642 (1965-11-01), Killpatrick
patent: 3543183 (1970-11-01), Heimann
patent: 3637281 (1972-01-01), Gull
patent: 3765742 (1973-10-01), Walles
patent: 3804976 (1974-04-01), Gard
patent: 3813146 (1974-05-01), Buvah et al.
patent: 4019804 (1977-04-01), Collier

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