Write protection device for computer hard disk

Details Write protection device for computer hard disk Write protection device for computer hard disk

1992-07-22

1993-12-07

Gregory, Bernarr E.

Cryptography

Cryptanalysis

380 49, 380 50, 360 60, 360 69, G06F 1312

Patent

active

052689603

ABSTRACT:
A hard disk protection device comprising a decoding circuit which receives signals from the address and data buses of a personal computer to decode the signals associated with hard disk write actions and generating a signal to suppress the signal of IOW line so as to disable the write function of the hard disk. A switch is provided for a user to disconnect the decoding circuit from the hard disk so as to allow the hard disk to be operated as a conventional hard disk.

REFERENCES:
patent: 4734851 (1988-03-01), Director
patent: 5012514 (1991-04-01), Renton

Affiliated with

Also associated with

Rating

Write protection device for computer hard disk does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Write protection device for computer hard disk, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Write protection device for computer hard disk will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2021578