Radiant energy – Infrared-to-visible imaging – Including means for scanning field of view
Patent
1984-11-27
1986-06-10
Howell, Janice A.
Radiant energy
Infrared-to-visible imaging
Including means for scanning field of view
350 66, 350170, 250338, G02B 2610
Patent
active
045945080
ABSTRACT:
A radiation scan system (10) incorporates a scanning device (13) which transfers radiation between transmitting station (12) and receiving station (11) with simultaneous mapping of a point (14) in station (11) into a line (15) in station (12). Station (12) is in the form of a distant plane. Scanning device (13) has at least one mirror (16) mounted on a carrier (17) movable about an axis (18) which lies in the plane of the angular offset between the radiation beams at scan device (13) incoming from and outgoing to the stations (11,12). A refractive prism corrector (26) is located in the path of the radiation beam between scan device (13) and station (12) whereat line (15) exists, the vertex edge (27) of the prism corrector (26) being perpendicular to axis (18) and the parameter values of the prism corrector (26) are such that at least the line (15) in station ( 12) is straight.
REFERENCES:
patent: 3287559 (1966-11-01), Barnes
patent: 3371212 (1968-02-01), Weiss
patent: 3592523 (1971-07-01), Yu Wu
patent: 3971939 (1976-07-01), Andressen
patent: 4103160 (1978-07-01), Moss
patent: 4538181 (1985-08-01), Taylor
Barr & Stroud Limited
Howell Janice A.
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