73164099
Mar 24, 1978
May 6, 1980
REFLECTIVE HOUSING FOR TELEVISION CAMERAS USED IN SECURITY SURVEILLANCE SYSTEM SAID HOUSING COMPRISING A SPHERE OF SUBSTANTIALLY TRANSPARENT MATERIAL CARRYING ON THE INSIDE SURFACE THEEREOF A REFLECTIVE METALLIC COATING OF SUFFICIENT TRANSPARENCY TO PERMIT VIEWING BY THE INTERNALLY LOCATED TELEVISION CAMERAS
Electrical and Scientific Apparatus