AT&T Picturephone (1964, New York)
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
videophone
|
| gptkbp:commercialSuccess |
limited
|
| gptkbp:deployment |
gptkb:Chicago
gptkb:New_York_City gptkb:Washington,_D.C. |
| gptkbp:displayType |
vacuum tube
|
| gptkbp:endDate |
1970s
|
| https://www.w3.org/2000/01/rdf-schema#label |
AT&T Picturephone (1964, New York)
|
| gptkbp:introducedIn |
gptkb:New_York
1964 |
| gptkbp:manufacturer |
gptkb:AT&T
|
| gptkbp:marketedAs |
gptkb:Picturephone
|
| gptkbp:notableFor |
first commercial videophone service
|
| gptkbp:purpose |
video calling
|
| gptkbp:refreshRate |
30 frames per second
|
| gptkbp:resolution |
250 lines
|
| gptkbp:service |
gptkb:Bell_System
|
| gptkbp:technology |
twisted pair copper wires
|
| gptkbp:transmission |
analog
|
| gptkbp:bfsParent |
gptkb:World's_Fairs_in_the_United_States
|
| gptkbp:bfsLayer |
8
|