Frequency changer employing a moving sonic-energy-reflecting boundary in a semiconductor medium |
|||||||
| 申请号 | US20875962 | 申请日 | 1962-07-10 | 公开(公告)号 | US3254231A | 公开(公告)日 | 1966-05-31 |
| 申请人 | PHILCO CORP; | 发明人 | GANDHI OM P; | ||||
| 摘要 | |||||||
| 权利要求 | 1. IN COMBINATION; A SOURCE OF ELECTRICAL SIGNAL ENERGY, A SONIC TRANSDUCER CONNECTED TO SAID SOURCE, A MEDIUM CAPABLE OF TRANSMITTER SONIC ENERGY COUPLED TO SAID TRANSDUCER, MEANS TO PRODUCE A MOVING SONICALLY REFLECTIVE BOUNDARY IN SAID MEDIUM, SO THAT SONIC ENERGY MAY BE REFLECTED FROM SAID MOVING BOUNDARY, AND MEANS TO RE- |
||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈