US PATENT SUBCLASS 348 / 174
.~ Camera
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
348 /
HD
TELEVISION
173
DF
CATHODE-RAY TUBE BURN-IN PREVENTION
{1}
174
.~ Camera
DEFINITION
Classification: 348/174
Camera:
(under subclass 173) Subject matter wherein the device is applied to prevent burn-in of the target of an image pickup tube.