发明名称 |
CHANNEL SELECTION APPARATUS FOR HIGH FREQUENCY RECEIVERS WITH VARIABLE CAPACITANCE DIODE TUNING |
摘要 |
A channel selection apparatus in the general form of a box having a swingable access door. The door is biased to remain open when opened and to remain closed when closed. The access door carries a plurality of manually depressible keys in the form of levers. Upon depression each lever engages and activates an electrical switch carried within the box.
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申请公布号 |
US3689724(A) |
申请公布日期 |
1972.09.05 |
申请号 |
USD3689724 |
申请日期 |
1970.01.27 |
申请人 |
WOLFGANG LABUDE;KARL-HEINZ BAUER |
发明人 |
WOLFGANG LABUDE;KARL-HEINZ BAUER |
分类号 |
H04B1/06;H01H21/02;H01H21/22;H03J1/06;H03J5/12;(IPC1-7):H01H3/04 |
主分类号 |
H04B1/06 |
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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