De Forest Radio Telephone Company
E186
De Forest Radio Telephone Company was an early 20th-century American firm that developed and commercialized pioneering radio and wireless telephony technologies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| De Forest Radio Telephone Company canonical | 1 |
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
radio manufacturer ⓘ telecommunications company ⓘ |
| associatedWith |
Lee de Forest
ⓘ
audion vacuum tube ⓘ |
| basedIn |
United States of America
ⓘ
surface form:
United States
|
| businessModel |
licensing of radio patents
ⓘ
manufacture and sale of radio equipment ⓘ |
| commercialized |
pioneering radio technology
ⓘ
wireless telephony technology ⓘ |
| contributedTo |
development of long-distance wireless telephony
ⓘ
early radio broadcasting ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| developed |
radio receivers
ⓘ
radio telephone equipment ⓘ radio transmitters ⓘ vacuum-tube-based radio apparatus ⓘ wireless telephony systems ⓘ |
| fieldOfWork |
electrical engineering
ⓘ
radio engineering ⓘ wireless communication ⓘ |
| foundedBy | Lee de Forest ⓘ |
| hasFounderRole | Lee de Forest ⓘ |
| headquartersLocation | New York City ⓘ |
| historicalSignificance | one of the earliest American radio-technology firms ⓘ |
| inception | 1907 ⓘ |
| industry |
radio
ⓘ
telecommunications ⓘ wireless telegraphy ⓘ wireless telephony ⓘ |
| location | New York City ⓘ |
| namedAfter | Lee de Forest ⓘ |
| notableFor |
commercialization of wireless voice transmission
ⓘ
early development of radio telephony ⓘ |
| operatedInPeriod | early 20th century ⓘ |
| productOrService |
radio broadcasting equipment
ⓘ
radio communication equipment ⓘ wireless telephone service ⓘ |
| status | defunct ⓘ |
| timePeriod |
1900s
ⓘ
1910s ⓘ |
| usedTechnology | audion vacuum tube ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.