Optical: systems and elements – Compound lens system – Telescope
Patent
1998-11-20
2000-09-19
Epps, Georgia
Optical: systems and elements
Compound lens system
Telescope
359403, 359404, 359405, 359406, G02B 2308
Patent
active
061221007
ABSTRACT:
Headgear apparatus allows a viewer to see objects in a periscopic direction and a normal direction simultaneously. A periscope is mounted to a headpiece that is easily supported by the viewers head. The periscope has movable mirrors and an extending periscope section to allow the viewer to change the angle of the periscopic view relative to a plane containing a normal line of sight and the peripheral distance of the periscopic view, respectively. The apparatus further has a sectional periscope, whereby sections containing the reflective elements of the periscope can be rotated relative to each other and change the periscopic view in the plane of the forward line of sight. The head gear apparatus is adapted to a mask or an underwater mask that allows a viewer to see objects in a periscopic direction and a forward direction in diverse environments such as under water.
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Epps Georgia
Thompson Tim
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