Low power dissipation vacuum fluorescent display
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 18, 2000
Grant Date -
N/A
app pub date -
Sep 21, 1998
filing date -
Sep 21, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vacuum fluorescent display comprises a plurality of filaments or filament sets, a controller, and a display portion. The controller controls one of the filaments or filament sets to be alternately connected to a power supply so as to emanate electrons as an electron source. Thus, a predetermined pattern can be displayed on the display portion in response to the electrons. The fact that the filaments or filament sets are alternately powered to induce hot-electron emanation can reduce the overall power consumption for the vacuum fluorescent display.
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