| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Modulating carrier waves | US58441222 | 1922-08-26 | US1581296A | 1926-04-20 | SCHMIED JAMES W |
| 202 | Circuits for the production of pure modulated carrier waves | US66333423 | 1923-09-18 | US1565847A | 1925-12-15 | CORAM ROY E |
| 203 | Method of carrier-frequency suppression | US3139325 | 1925-05-19 | US1560505A | 1925-11-03 | DUNCAN JR ROBERT D |
| 204 | Apparatus for producing oscillations | US43666821 | 1921-01-12 | US1535674A | 1925-04-28 | MCCAA DAVID G |
| 205 | High-frequency signaling | US68081123 | 1923-12-15 | US1523139A | 1925-01-13 | EUGENE PETERSON |
| 206 | Translating circuit | US25765318 | 1918-10-10 | US1463795A | 1923-08-07 | CARSON JOHN R |
| 207 | Radiotelephony | US15089D | USRE15089E | 1921-04-19 | ||
| 208 | Wireless telephone system | US14959D | USRE14959E | 1920-10-19 | ||
| 209 | Duplex translating-circuits | US1343307D | US1343307A | 1920-06-15 | ||
| 210 | carson | US1312433D | US1312433A | 1919-08-05 | ||
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