Class G09G : ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
Subclass 1/26: Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using storage tubes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 5247378 | Optical retarder having means for determining the retardance of the cell corresponding to the sensed capacitance thereof | Jun 07, 91 | Sep 21, 93 | CAMBRIDGE RESEARCH & INSTRUMENTATION, INC. |
| 5155618 | Light signal generating device using electro-optical light shutter array | Dec 02, 91 | Oct 13, 92 | Minolta Camera Kabushiki Kaisha |
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