Vacuum fluorescent display tri-compatible dimming

Details Vacuum fluorescent display tri-compatible dimming Vacuum fluorescent display tri-compatible dimming

1994-05-17

1996-10-08

Saras, Steven

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345214, 315291, G09G 322

Patent

active

055636225

ABSTRACT:
In a vacuum fluorescent display tri-compatible dimming system, a dimming signal can be sent in the form of a multiplex bus message, an analog DC voltage signal, or a pulse width modulated signal. Each form of dimming is accepted by a microprocessor of a lighted automotive module, such as a radio, however, the multiplex bus message takes priority. The microprocessor then sends a dimming signal to the vacuum fluorescent display via a vacuum fluorescent display driver IC.

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