Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-08-22
1991-07-16
Brier, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340719, G09G 336
Patent
active
050328301
ABSTRACT:
In a picture display device driven with an active matrix in which the selection lines (11) are capacitively coupled to electrodes (6) of the picture elements, the voltage across these picture elements is accurately adjusted by discharging or charging the associated capacitances first to beyond the range of transition (22) in the transmission/voltage characteristic.
REFERENCES:
patent: 4641135 (1987-02-01), Hilbrink
patent: 4731610 (1988-03-01), Baron et al.
patent: 4810059 (1989-03-01), Kuijk
Brier Jeffery A.
Kraus Robert J.
U.S. Philips Corporation
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