Electrically Operated Phonograph
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Phonograph
Audio playback device |
| gptkbp:component |
gptkb:public_speaker
gptkb:Amplifier electric motor stylus Turntable Tonearm |
| https://www.w3.org/2000/01/rdf-schema#label |
Electrically Operated Phonograph
|
| gptkbp:introducedIn |
1920s
|
| gptkbp:mediaType |
Phonograph record
|
| gptkbp:predecessor |
Mechanical phonograph
|
| gptkbp:provides |
Electricity
|
| gptkbp:relatedTo |
gptkb:Gramophone
Turntable Record player |
| gptkbp:replacedBy |
Hand-cranked phonograph
|
| gptkbp:usedFor |
Playing recorded sound
|
| gptkbp:bfsParent |
gptkb:US_patent_405,735
gptkb:U.S._Patent_No._462,093 |
| gptkbp:bfsLayer |
7
|