Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1980-05-13
1982-03-16
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
313217, 3151694, 340771, 340811, 340758, H04N 300, H04N 566
Patent
active
043204180
ABSTRACT:
A display device is described with a large active viewing area having a high resolution electrode matrix of light emitting cells or pixels. The electrode matrix area is divided into at least two distinct sections by dividing each electrode along at least one axis into at least two separated electrode lengths, each length containing only a portion of the total number of light emitting pixels contained by the total unseparated length of the electrode. In the preferred practice, the electrode matrix area is divided into at least four distinct sections so as to divide each electrode along each axis into at least two lengths. Thus, the electrode matrix area is divided into at least two, preferably at least four, distinct sections of light emitting cells or pixels. Each area of the matrix can be electrically driven by the same or different electrical circuits. Each separated electrode length has decreased electrical resistance, decreased electrical capacitance and requires less electrical current. This results in the more uniform operation of each cell or pixel relative to other cells along each electrode length, particularly less variations in the operating conditions and performance of each cell relative to other cells such as more uniform operating voltages, light emission, and brightness. The device may be used as a computer terminal, especially in a military tactical situation, with or without television or video application.
REFERENCES:
IBM Technical Note, vol. 12, No. 11, p. 1956, Apr. 1970.
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