FIELD: engineering of methods and devices for limiting access to recorded digital data on an information carrier.
SUBSTANCE: device contains micro-program controlling device, a group of port registers, address decoder, flag triggers group, reading circuit, commands decoder, strobes blocking circuit, address comparison circuit, access sign recording circuit, logical element OR, access sign analysis system. Method describes operation of aforementioned device.
EFFECT: impossibility of access to marked sectors of information carrier without permission from computer user.
2 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR LIMITING ACCESS TO HARD DISK SECTORS | 2007 |
|
RU2359317C2 |
| METHOD AND DEVICE FOR BLOCKING COMMANDS FOR LIMITING ACCESS TO DATA RECORDED ON A DATA CARRIER | 2005 |
|
RU2280890C1 |
| INTERFACE FOR LINKING TWO COMPUTERS | 0 |
|
SU1141418A1 |
| DEVICE FOR INTERFACING A COMPUTER WITH SELECTOR CHANNEL | 0 |
|
SU1401472A1 |
| BUBBLE STORAGE | 0 |
|
SU1451768A1 |
| DEVICE FOR INTERFACING COMPUTER WITH MAGNETIC DISK STORAGE | 0 |
|
SU1410046A1 |
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SU1254498A2 |
| WORKSTATION FOR LOCAL AREA NETWORK | 0 |
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| DEVICE FOR AUTHENTICATION OF SOFTWARE UNITS | 1998 |
|
RU2146834C1 |
| INTERFACE FOR LINKING ELECTRONIC COMPUTER WITH MAGNETIC DISK STORAGES | 0 |
|
SU1280644A1 |
