RAM lock device and method for a text entry system

Details RAM lock device and method for a text entry system RAM lock device and method for a text entry system

1988-08-01

1992-11-10

Fleming, Michael R.

Boots, shoes, and leggings

364DIG2, 3649286, 364969, 3649692, G06F 1214, G06F 1216

Patent

active

051631415

ABSTRACT:
A memory system for use in a text entry system is provided. The system includes a retentive data memory and a system for locking a portion of the retentive memory and a key for unlocking the lockable portion of the memory to allow a predetermined number of bits of data to be written to the memory when the lockable memory is in unlocked state. The system automatically locks the memory after the predetermined number of bits have been written into the lockable portion of memory.

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