发明名称 |
Digital tuning element and method of making same |
摘要 |
A digital tuning element and method of making same for an electronic tuning means for an automobile radio which has a drive means for positioning said element, detecting means providing an electrical output signal related to the position of said tuning element, and means receiving the output signal for controlling a tuning circuit. The tuning element is a body which is angularly positionable and includes a coding means on its surface, with the detecting means sensing the coding means for providing binary coded output signals over a plurality of output channels to a receiving means for controlling a tuning circuit.
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申请公布号 |
US4243962(A) |
申请公布日期 |
1981.01.06 |
申请号 |
US19780897420 |
申请日期 |
1978.04.18 |
申请人 |
TRW INC. |
发明人 |
LARKIN, JOSEPH F.;CASSIDY, HAROLD M.;WOODCOCK, JOHN W.;DUNN, WILLIAM M. |
分类号 |
H03J5/02;(IPC1-7):H03J5/06;H03J5/08 |
主分类号 |
H03J5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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