| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a rotary transformer in which the weight is reduced as much as possible without lowering power transmission efficiency. <P>SOLUTION: The rotary transformer 1 comprises one core 2 formed annularly as a whole, and a primary winding 5p and a secondary winding 5s arranged on the core 2. A hollow section 4 having an open portion 3 over the entire circumference is formed in the core 2, and the primary winding 5p and the secondary winding 5s are housed concentrically in the hollow section 4 along the circumferential direction. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
