Inventor

BLACKER ALLEN P

6 patents

⚠️ This page may combine multiple inventors who share the name “BLACKER ALLEN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZENITH ELECTRONICS CORP

3 patents

US4701678AOct 20, 1987

Electron gun system with dynamic focus and dynamic convergence

ZENITH ELECTRONICS CORP30 citations90

US4771216ASep 13, 1988

Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal

ZENITH ELECTRONICS CORP25 citations89

US4469987ASep 4, 1984

Means for enhancing brightness of a monochrome CRT without loss of resolution

ZENITH ELECTRONICS CORP6 citations59

ZENITH RADIO CORP

3 patents

US4058753ANov 15, 1977

BLACKER ALLEN P

ZENITH ELECTRONICS CORP

Electron gun system with dynamic focus and dynamic convergence

Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal

Means for enhancing brightness of a monochrome CRT without loss of resolution

ZENITH RADIO CORP

Electron gun having an extended field beam focusing and converging lens

Means and method for beam spot distortion compensation in TV picture tubes

Extended field electron gun having a synthesized axial potential