Claims
- 1. In a method for remote viewing in an underwater environment having high backscatter employing a television camera, illumination means displaced from said television camera, the improvement comprising:
- causing the raster lines of said television camera to extend in a vertical direction at right angles to the direction of displacement of said illumination source from said television camera;
- filtering the output of said television camera to prevent the passage of low frequencies; and
- causing the raster lines of a monitor receiver effectively connected to said television camera to extend in the same direction as those of the camera, whereby backscatter from the illumination source is effectively reduced.
- 2. A remote viewing system for environments having high backscatter comprising:
- an underwater television camera displaced from a source of illumination for eliminating backscatter having raster lines extending in a vertical direction at right angles to the direction of displacement;
- a filter connected to the camera to limit the frequency output thereof to a predetermined bandwidth; and
- a monitor connected to said filter to display the filtered output thereof and having a raster corresponding to said television camera including vertically extending raster lines.
STATEMENT OF GOVERNMENT INTEREST
The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
US Referenced Citations (3)