Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
videophone
|
| gptkbp:displayType |
gptkb:CRT
|
| https://www.w3.org/2000/01/rdf-schema#label |
Picturephone Mod III
|
| gptkbp:introducedIn |
1970
|
| gptkbp:manufacturer |
gptkb:Bell_Labs
|
| gptkbp:marketedAs |
gptkb:AT&T
|
| gptkbp:notableFor |
first commercial video calling service in the US
|
| gptkbp:operates |
gptkb:PSTN
|
| gptkbp:predecessor |
gptkb:Picturephone_Mod_II
|
| gptkbp:resolution |
250 lines
|
| gptkbp:serviceEndedIn |
1974
|
| gptkbp:serviceLaunchedIn |
gptkb:Chicago
gptkb:Pittsburgh gptkb:Washington,_D.C. |
| gptkbp:usedFor |
gptkb:telecommunications_company
video calling |
| gptkbp:weight |
16 kg
|
| gptkbp:bfsParent |
gptkb:Picturephone_Mod_II
|
| gptkbp:bfsLayer |
7
|