Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Color display system having an electron gun with dual electrode modulation

Color display system having an electron gun with dual electrode modulation

US Patent 4877998 · Granted Oct 31, 1989

Estimated economic value: $27,236,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electron gun and magnetic circuit for an improved THz electromagnetic source2010
Space-saving cathode ray tube employing a non-self-converging deflection yoke2005
Space-saving cathode ray tube2003
Color picture tube including an electron gun in a coated tube neck2003
Space-saving cathode ray tube2003
Asymmetric, gradient-potential, space-savings cathode ray tube2002
Space-saving cathode ray tube employing a six-pole neck coil2002
Lens aperture structure for diminishing focal aberrations in an electron gun2002
Inline electron gun having improved expanded focus lens electrodes1999
Color picture tube having an inline electron gun with three astigmatic lenses1995
Cathode-ray tube having implosion protection means with openings1994
Cathode-ray tube with improved electron gun1994