Inventor
COPPA RICHARD J
6 patents
Patents
6 patentsUS4047191ASep 6, 1977
Exposure control system having dynamic aperture flash arrangement
POLAROID CORP30 citations79
US4375322AMar 1, 1983
Full range variable proportional fill flash system
POLAROID CORP9 citations70
US4317620AMar 2, 1982
Variable proportional fill flash
POLAROID CORP14 citations68
US4299461ANov 10, 1981
Exposure and flash fire control system
POLAROID CORP4 citations58
US4486087ADec 4, 1984
Method of and apparatus for altering sensitivity of photometer to different scene portions
POLAROID CORP1 citations49
US4268138AMay 19, 1981
Follow focus flash arrangement
POLAROID CORP1 citations49