Patent search ap:("SERVO CORP OF AMERICA") AND inv:"ANNA FRANK T D" Page 1

1.

发明授权
Voltage controllable tuning circuit which responds linearly in frequency with linear dial changes 失效
Title translation: 线性调整频率线性调节的电压可调谐电路

公开(公告)号：US3528043A

公开(公告)日：1970-09-08

申请号：US3528043D

申请日：1968-12-17

Applicant: SERVO CORP OF AMERICA

Inventor： RICHTER FREDERICK , ANNA FRANK T D , BUCKLEY PATRICK J

IPC: H03C3/20 , H03J3/18 , H03J3/20

CPC classification number: H03C3/20 , H03J3/185

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