Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-11-06
1991-05-28
James, Andrew J.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
350350S, 340784, 340805, G02F 113
Patent
active
050188348
ABSTRACT:
A ferroelectric liquid crystal cell matrix address scheme that uses bipolar strobe pulses (20) to co-operate with bipolar data pulses (21,22) in a way that it can switch pixels into different states in a single refreshing not preceded by page blanking.
REFERENCES:
patent: 3982239 (1986-09-01), Sherr
patent: 4712872 (1987-12-01), Kanbe et al.
patent: 4870398 (1989-09-01), Bos
Crane Sara W.
James Andrew J.
STC PLC
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