LOW LIGHT LEVEL, UNDERWATER, VIEWING DEVICE
First Claim
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1. An individual swimmer'"'"''"'"'s underwater viewing device for use in low and high level light environments comprising:
- a flexible frame member having a contoured edge to engage the perimeters of said individual'"'"''"'"'s face in a watertight sealing relationship and a regular window edge to engage a face plate in a similar relationship;
a face plate mounted within said regular edge, having a plurality of aperatures therein;
an image intensifier assembly including an objective lens, a voltage converter, an image intensifier tube and a eyepiece mounted through a first of said apertures;
a waterproof switch mounted through a second of said apertures; and
a low voltage power supply electrically coupled through said switch to said voltage converter and intensifier tube.
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Abstract
An underwater viewing system is described which provides enhanced viewing by means of an image intensification tube. The unit is binocular and permits wide angle direct viewing as well as the more narrow intensified field of view best suited for submerged operation at night or in a low light environment.
31 Citations
6 Claims
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1. An individual swimmer'"'"''"'"'s underwater viewing device for use in low and high level light environments comprising:
- a flexible frame member having a contoured edge to engage the perimeters of said individual'"'"''"'"'s face in a watertight sealing relationship and a regular window edge to engage a face plate in a similar relationship;
a face plate mounted within said regular edge, having a plurality of aperatures therein;
an image intensifier assembly including an objective lens, a voltage converter, an image intensifier tube and a eyepiece mounted through a first of said apertures;
a waterproof switch mounted through a second of said apertures; and
a low voltage power supply electrically coupled through said switch to said voltage converter and intensifier tube.
- a flexible frame member having a contoured edge to engage the perimeters of said individual'"'"''"'"'s face in a watertight sealing relationship and a regular window edge to engage a face plate in a similar relationship;
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2. A viewing device according to claim 1 wherein a second image intensifier assembly is mounted through a third aperature in said face plate and electrically connected through said switch to said power supply to provide a binocular system.
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3. A viewing device according to claim 1 wherein said power supply is a battery and holder mounted through a fourth aperture in said face plate.
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4. A viewing device according to claim 1 wherein said face plate is made from a transparent solid material.
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5. A viewing device according to claim 2 wherein said face plate is made from a transparent solid material.
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6. A viewing device according to claim 3 wherein said face plate is made from a transparent solid material.
Specification
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Current AssigneeRobert L. Stone
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Original AssigneeRobert L. Stone
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InventorsStone, Robert L.
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Primary Examiner(s)Lawrence, James W.
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Assistant Examiner(s)Nelms, D. C.
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Application NumberUS05/262,165Time in Patent Office589 DaysField of Search9/31H 250/83.3R,83.3H,83.3HP,213R,213VT,239 350/36,319,57,61,67,143,145,146 2/2.1US Class Current250/214.0VTCPC Class CodesB63C 11/12 Diving masksG02B 23/22 Underwater equipment for su...
