Apparatus for programming an electrically erasable programmable

Details Apparatus for programming an electrically erasable programmable Apparatus for programming an electrically erasable programmable

1983-12-01

1986-08-05

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340789, 340798, 340799, G09G 304

Patent

active

046046160

ABSTRACT:
An electrically erasable programmable read-only-memory (EEPROM) programmer uses an alphanumeric visual display system having a multi-character station visual display device for displaying message units made up of a number of characters and the characters are stored as bytes of data in memory cells of an EEPROM forming a part of the display system. Individual characters within a message unit are selected by selectively generating a character address corresponding to a character display station position in a message unit and the selected character is identified by a cursor appearing in the associated character display station. A keyboard is provided for entering data representative of a character to be written into memory. The involved EEPROM cells are then conditioned by related means to receive and retain the entered data. The data so written into the EEPROM is displayed on the visual display device in alphanumeric form for immediate and accurate verification.

REFERENCES:
patent: 4216471 (1980-08-01), Akred, Sr.
patent: 4389641 (1983-06-01), Nakanishi et al.
patent: 4408306 (1983-10-01), Kuo
"Using EPROMs for CRT Screen Refresh", Electronic Product Design, May 1981.

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