Desmond L. Murphy
Jump to navigation
Jump to search
Desmond Lewis Murphy (? – ?)
Please add referenced biography.
Documents Authored by Desmond L. Murphy
Products by Desmond L. Murphy
Components by Desmond L. Murphy
Patents by Desmond L. Murphy
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 4121183A | US | 4121183A | Programmable attenuator apparatus employing active FET switching | Desmond L. Murphy | Tektronix Inc | 1976-10-29 | 1978-10-17 |
| Patent US 4181903A | US | 4181903A | Hybrid cascade attenuator | Ken Holland • Gary William Reed • Desmond L. Murphy | Tektronix Inc | 1978-02-14 | 1980-01-01 |
| Patent US 4495458A | US | 4495458A | Termination for high impedance attenuator | Desmond L. Murphy | Tektronix Inc | 1982-09-30 | 1985-01-22 |
| Patent US 4525688A | US | 4525688A | Oscilloscope signal input circuit including an attenuator | Desmond L. Murphy • Warren K. Wimmer | Tektronix Inc | 1983-08-01 | 1985-06-25 |
| Patent US 4563564A | US | 4563564A | Film resistors | Bret Ericsen • John C. Hastings • Desmond L. Murphy • Scott R. Jansen | Tektronix Inc | 1984-01-30 | 1986-01-07 |