Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
videophone
|
| gptkbp:commercialServiceLaunched |
1970
|
| gptkbp:commercialServiceLocation |
gptkb:Chicago
gptkb:Pittsburgh gptkb:Washington,_D.C. |
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| gptkbp:discontinued |
1970s
high cost low adoption |
| gptkbp:displayType |
vacuum tube
|
| https://www.w3.org/2000/01/rdf-schema#label |
Picturephone
|
| gptkbp:introducedIn |
gptkb:New_York_World's_Fair
1964 |
| gptkbp:legacy |
pioneered video communication technology
|
| gptkbp:marketedAs |
gptkb:AT&T
|
| gptkbp:notableFor |
first commercial videophone service
|
| gptkbp:transmission |
wired
analog |
| gptkbp:type |
videotelephony device
|
| gptkbp:bfsParent |
gptkb:1964_New_York_World's_Fair
gptkb:Bell_System |
| gptkbp:bfsLayer |
5
|