Logan Belleville
Logan M. Belleville (b. Oct. 29, 1909 in Twin Falls, ID – d. Jan 8, 2000 in Vancouver, WA) was a Tektronix engineer.
Previously a development engineer at the U.S. Forest Service Radio Lab, he had worked at the MIT Radiation Laboratories during WWII and joined Tektronix in 1946 to become the young company's second engineer. He left Tektronix in 1953.
Tektronix Products
Products by Logan Belleville
| Model | Class | Description | Designers | Introduced |
|---|---|---|---|---|
| 511 | Oscilloscope | 10 MHz Tube scope First Tektronix oscilloscope |
Frank Hood • Logan Belleville • Howard Vollum | 1947 |
| 512 | Oscilloscope | Early 2 MHz scope | Logan Belleville | 1948 |
| 511A | Oscilloscope | 10 MHz Tube scope | Frank Hood • Logan Belleville • Howard Vollum | 1948 |
| 517 | Oscilloscope | 50 MHz scope | Logan Belleville • Dick Rhiger | 1951 |
Components by Logan Belleville
Patents
- US2577506: Amplifier - filed 9 Jul 1945, granted Dec 4 1951 (logarithmic amplifier)
- US3461386: Coaxial switch using reed switch and assembly and system with isolated actuating coil Filed 17 Jan 1966, granted 12 Aug 1969