Invention Grant
- Patent Title: Frequency changing circuits particularly for the reception of ultrashort electromagnetic waves
- Patent Title (中): 变频电路特别适用于接收超短电磁波
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Application No.: US73960947Application Date: 1947-04-05
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Publication No.: US2512614APublication Date: 1950-06-27
- Inventor: WILLIAM EARP CHARLES
- Applicant: INT STANDARD ELECTRIC CORP
- Assignee: Int Standard Electric Corp
- Current Assignee: Int Standard Electric Corp
- Priority: GB275994X 1939-06-03; GB779740 1940-04-30
- Main IPC: F23Q7/00
- IPC: F23Q7/00 ; H03B5/34 ; H03D7/02 ; H03D7/10
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