Invention Grant
- Patent Title: Direct-current insertion
- Patent Title (中): 直流插入
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Application No.: US34589540Application Date: 1940-07-17
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Publication No.: US2296919APublication Date: 1942-09-29
- Inventor: GOLDSTINE HALLAN E
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US34589540 1940-07-17
- Main IPC: H03C3/09
- IPC: H03C3/09 ; H03C3/14 ; H04N7/045
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