Optical: systems and elements – Lens – With variable magnification
Patent
1995-04-28
1997-02-04
Epps, Georgia Y.
Optical: systems and elements
Lens
With variable magnification
359683, G02B 1514
Patent
active
056004915
ABSTRACT:
A thermal imaging system (100) for a vehicle includes an objective lens (104) for receiving an image of the object, an eyepiece lens (102) for viewing the image of the object, and a compensator lens (106) movably located between the objective and eyepiece lenses (104, 102) for providing a thermal image of the object. The system (100) includes a servo motor control system (107, 109, 110, 112 and 114) for controlling the position of the compensator lens (106) based upon temperature, range and field of view to provide an accurate thermal image of the object.
REFERENCES:
patent: 4114171 (1978-09-01), Altman
patent: 4478493 (1984-10-01), Yokota
patent: 4949107 (1990-08-01), Kitagishi
patent: 5117247 (1992-05-01), Nakai
patent: 5276760 (1994-01-01), Yokota
Brothers Michael J.
Ehlers Mark R.
Hanke Dietmar
Hull David A.
Lee Kenneth W.
Denson-Low Wanda K.
Epps Georgia Y.
Hughes Electronics
Mack Ricky
Sales Michael W.
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