Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
fax standard
|
| gptkbp:alsoKnownAs |
G4 fax
|
| gptkbp:broadcastOn |
gptkb:ISDN
digital leased lines |
| gptkbp:category |
telecommunications
fax technology |
| gptkbp:color |
monochrome
|
| gptkbp:compatibleWith |
analog telephone lines
|
| gptkbp:definedIn |
ITU-T Recommendation T.563
|
| https://www.w3.org/2000/01/rdf-schema#label |
Group 4 fax
|
| gptkbp:introducedIn |
1980s
|
| gptkbp:predecessor |
gptkb:Group_3_fax
|
| gptkbp:primaryUse |
high-speed fax transmission
|
| gptkbp:resolution |
204 x 196 dpi
204 x 391 dpi |
| gptkbp:transmission |
digital
|
| gptkbp:usesCompression |
Modified Huffman (MH)
Modified Modified READ (MMR) Modified READ (MR) |
| gptkbp:bfsParent |
gptkb:G3_fax
|
| gptkbp:bfsLayer |
7
|