Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Patent
1993-07-21
1995-12-26
Powell, Mark R.
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
395164, 395126, 395162, 349200, 349149, G06F 1206
Patent
active
054796067
ABSTRACT:
Digital samples of signal data are displayed on a display system in patterns that are selected for display. Stored patterns are designed to allow a rapid visual determination of whether the signal's characteristics match a previously determined signal characteristic, and if not, provide for diagnosis of the signal variation by the observer. Multiple signal channels can be simultaneously displayed in patterns to allow observation and measurement of the relationships between multiple signals. Signal data values are allowed to be displayed as pixels whose color and intensity represent specific data characteristics, and these color and intensity values can vary as a function of time as a part of the specific pattern designed for each signal type.
REFERENCES:
patent: 4862391 (1989-08-01), Ohhashi
patent: 4933879 (1990-06-01), Ando et al.
patent: 4935730 (1990-06-01), Kosuka
patent: 4974167 (1990-11-01), Anderson et al.
patent: 4977514 (1990-12-01), Bush
patent: 5367632 (1994-11-01), Bowen et al.
PGM Systems, Inc.
Powell Mark R.
Tung Kee M.
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