Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
fax machine standard
|
| gptkbp:definedIn |
ITU-T Recommendation T.563
|
| gptkbp:feature |
error correction
compression algorithms higher speed higher image quality |
| https://www.w3.org/2000/01/rdf-schema#label |
Group 4 fax machines
|
| gptkbp:introducedIn |
1980s
|
| gptkbp:successor |
Group 3 fax machines
|
| gptkbp:usedIn |
business communications
|
| gptkbp:uses |
digital transmission
64 kbit/s channel ISDN network |
| gptkbp:bfsParent |
gptkb:ITU-T_Recommendation_T.6
|
| gptkbp:bfsLayer |
7
|