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| Number | Title | Issue Date |
| 6950633 | Rotary non-contact connector and non-rotary non-contact connector A rotary non-contact connector and a non-rotary non-contact connector enable data transmission in a non-contact mode by radio transmitters-receivers by combining rotary transformers or stationary transformers and radio transmitters-receivers, and providing power sys... | 09/27/2005 |
