Communications: electrical – Systems – Portable self-contained
Patent
1974-07-22
1976-09-21
Curtis, Marshall M.
Communications: electrical
Systems
Portable self-contained
340166EL, 340336, 350160LC, G06F 314
Patent
active
039822397
ABSTRACT:
An addressed display system using material, such as liquid crystal, light emitting diodes, ferroelectrics, fluid flow devices, electroluminiscent materials, etc., which exhibit at least two characteristic modes of operation in accordance with the electric field applied. The materials are assembled with appropriately disposed conductors for establishing the electric field in discrete areas. These conductors are selectively addressed to effect a substantially zero potential at the discrete areas being chosen and at least a saturation potential across all other areas. The display embodiments include matrices, alphanumerics, and a chronometer.
REFERENCES:
patent: 3525091 (1970-08-01), Lally
patent: 3532813 (1970-10-01), Lechner
patent: 3540209 (1970-11-01), Zatsky
patent: 3614200 (1971-10-01), Taylor
patent: 3653745 (1972-04-01), Mao
patent: 3743773 (1973-07-01), Sobel
Ferroelectric Ceramic Light Gates Operated in a Voltage-Controlled Mode, Maldonado et al; IEEE Trans, vol. ED-17, No. 2; Feb. 1970 pp. 148-157.
Liquid Crystal Polychromatic Display Device, Freiser vol. 15, No. 2, IBM Tech. Discl. Bull.; July 1972 pp. 700-701.
Curtis Marshall M.
North Hills Electronics, Inc.
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