Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Color cathode ray tube in-line electron gun focusing electrode with overlapping tapered apertures enlarged for beam spot shaping, and gun structures incorporating same

Color cathode ray tube in-line electron gun focusing electrode with overlapping tapered apertures enlarged for beam spot shaping, and gun structures incorporating same

US Patent 4656391 · Granted Apr 7, 1987

Estimated economic value: $993,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Monochrome cathode ray tube electron gun with high voltage electrode lens1990
In-line electron gun structure for color cathode ray tube having oblong aperture1988
Beam shaping CRT electrode and method of fabricating same1987
Color cathode ray tube in-line electron gun structure incorporating deep saddle 1987
Beam shaping CRT electrode1986
CRT lensing electrodes having apertures defined by tapered sidewalls1985
In-line electron gun structure for color cathode ray tube having tapered walls a1985
In-line electron gun structure for color cathode ray tube having lensing electro1985
CRT Cathode assembly with support means1984
CRT Focusing electrode structure1983
Beam focusing means in a unitized tri-potential CRT electron gun assembly1983
Focusing means in a unitized bi-potential CRT electron gun assembly1983