Photography – Underwater – waterproof – or water-resistant camera – Handheld camera
Patent
1997-12-05
1998-12-08
Blankenship, Howard B.
Photography
Underwater, waterproof, or water-resistant camera
Handheld camera
G03B 1708
Patent
active
058482997
ABSTRACT:
A waterproof integumentary enclosure for electronic equipment, especially video cameras, is comprised of a thin transparent skin or membrane which enables submerged use of the equipment, provides a barrier to damaging water and particulate matter and simultaneously permits uninhibited access to and operation of audio, video and infra-red components of the equipment. The apparatus is comprised of three primary components including the integument, a support platform upon which the equipment is secured, and a combination air extraction and membrane closure means. The latter is comprised generally of an elongated tubular shaft rotatably mounted to the support platform. In operation, the shaft is rotated about the platform causing the membrane within to twist and seal itself about the exterior walls of an air evacuation tube. Air within the system is then withdrawn either manually or mechanically causing the membrane to collapse around and closely conform to the video equipment thereby forming the integumentary barrier. A closure apparatus is provided to seal the system and a secondary sealing apparatus is provided. An optional lens adapter is also included to provide a flat surface against which the optical membrane can rest to avoid distortion thereof when exposed to sub-atmospheric pressure when the camera is submerged. The lens adapter is also designed to prevent condensation which might occur upon exposure of the system to temperature differences between air and water.
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