Electronic device with key switch

Details Electronic device with key switch Electronic device with key switch

1989-08-23

1990-12-18

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Simultaneous operations

365233, G11C 700

Patent

active

049791478

ABSTRACT:
An electronic data input device for temporary storage of the data in a random memory, includes a memory device for storing a predetermined data. The electronic data input device comprises a keyswitch device for entry of data, an input port device for receiving the entered data from the keyswitch device, and an output port device coupled to the keyswitch device for temporary storage of the predetermined data from the memory device, and transfer of the predetermined data to the keyswitch device. Means are provided for simultaneously transferring the predetermined data from the memory device to the output port device and the entered data from the input port device to the random memory.

REFERENCES:
patent: 4718044 (1988-01-01), Matsuyama
patent: 4723226 (1988-02-01), McDonough et al.

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