Imaging
6 patents
Daguerreotype
Daguerre patented his silvered-plate imaging process in England days before France bought it, releasing it freely everywhere else ...
Roll Film
Eastman patented paper-backed then nitrocellulose roll film, freeing cameras from single glass plates. The 1888 Kodak, you press t...
Cinematograph
Auguste and Louis Lumiere patented their combined camera, printer, and projector in February 1895. The first public ticketed scree...
Xerography
Carlson, broke in a Depression-era patent office, worked kitchen-lab electrostatics for years, patenting xerography in 1942. Twent...
Charge-Coupled Device
Bell Labs' 1969 semiconductor shift-register invention, patented 1974, moved charge packets as memory then, quickly, as light sens...
Digital Camera
Sasson's 1975 breadbox prototype captured 0.01 megapixels to cassette tape, 23 seconds per image, patented 1978. Kodak shelved it ...