Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Camera tube having photocathode absorptive of shorter wavelength and filter absorptive of longer wavelength light

Camera tube having photocathode absorptive of shorter wavelength and filter absorptive of longer wavelength light

US Patent 4251748 · Granted Feb 17, 1981

Estimated economic value: $509,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optoelectronic device comprising a semiconductor laser and an optical isolator1993
Method of recording information on a record carrier of the thermomagnetic type, 1992
Optoelectronic device having a coupling comprising a lens and arranged between a1992
Laminated product, compound used in the laminated product and optical informatio1991
Binary optical signal recorder providing preheating pulse before an initial writ1990
Method of recording a binary signal on an optically readable record carrier and 1988
Camera tube with mutually insulated, light absorbing particles on gun side of ta1982
Camera tube with mutually insulated, light absorbing particles on gun side of ta1982
Camera tube with mutually insulated, light absorbing particles on gun side of ta1982
Camera tube with mutually insulated, light absorbing particles on gun side of ta1982