US Patent: 381,970
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| System of electrical distribution
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Patentee:
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| Nikola Tesla (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 23, 1887 |
| Granted: |
May 01, 1888 |
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Jeff Joslin
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Description: |
| This invention is a two-phase transformer, with optional provision for multiple secondary circuits. As shown in the patent drawing the implementation is a toroidal design but Tesla notes that other configurations are possible. See also Tesla's patents 382,279 (two-phase motor) and 382,280 (two-phase power transmission). |
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