Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cathode ray tube having an indirectly heated cathode provided with a heater having a structure which substantially prevents cracks in an insulating coating thereof

Cathode ray tube having an indirectly heated cathode provided with a heater having a structure which substantially prevents cracks in an insulating coating thereof

US Patent 6335590 · Granted Jan 1, 2002

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cathode ray tube2007
Cathode ray tube2006
Cathode ray tube having improved indirectly heated cathode2004
Color cathode ray tube having an internal voltage-dividing resistor2003
Cathode ray tube having an improved indirectly heated cathode structure2003
Cathode ray tube having an improved indirectly heated cathode structure2003
Cathode ray tube having an improved heater2003
Cathode ray tube having an improved heater2003
Cathode ray tube having an improved cathode structure2003
Color cathode ray tube having an internal voltage-dividing resistor2003
Cathode ray tube having an improved cathode2003
Cathode ray tube having an improved cathode2003