Dick Ropiequet
Richard Lincoln Ropiequet (b. 8 May 1920 – d. 25 April 2011) was a Tektronix engineer.
With a background as a Navy electronics technician and a BS in chemical engineering from University of Illinois (1946), “Rope” joined the company in 1949. He was a key figure in early Tek, eventually rising to the position of Executive Vice President of Engineering and CRT Research. He left Tektronix in 1963.
Tek Products
Ropiequet is credited with creating the precision sweep generator for models 315 and 310 that for the first time permitted time calibration and led to the term “Time-Base” being adopted.
Products by Dick Ropiequet
| Manufacturer | Model | Description | Designers | Introduced |
|---|---|---|---|---|
| Tektronix | 122 | low-level preamplifier | Dick Ropiequet | 1950 |
| Tektronix | 315 | "Portable" tube scope | Frank Hood • Dick Ropiequet • John Kobbe • Ted Goodfellow • Jim Morrow | 1952 |
| Tektronix | 160 | Modular Oscilloscope | Dick Ropiequet | 1952 |
Components by Dick Ropiequet
Patents by Dick Ropiequet
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 2752527A | US | 2752527A | Method of magnifying waveforms on a cathode-ray tube and circuit therefor | Dick Ropiequet • Cliff Moulton | Tektronix Inc | 1953-08-18 | 1956-06-26 |
| Patent US 2769904A | US | 2769904A | Gated sweep generator | Dick Ropiequet | Tektronix Inc | 1953-08-18 | 1956-11-06 |
| Patent US 2778935A | US | 2778935A | Cascode multivibrator | Dick Ropiequet | Tektronix Inc | 1953-08-18 | 1957-01-22 |
| Patent US 2769905A | US | 2769905A | Sweep circuit | Dick Ropiequet | Tektronix Inc | 1953-08-18 | 1956-11-06 |
| Patent US 2853609A | US | 2853609A | Multivibrator hold off circuit | Dick Ropiequet • John Kobbe | Tektronix Inc | 1955-02-21 | 1958-09-23 |
| Patent US 2826694A | US | 2826694A | Free-running multivibrator | Dick Ropiequet | Tektronix Inc | 1955-03-10 | 1958-03-11 |
| Patent US 3074020A | US | 3074020A | Bistable multivibrator which changes states in response to a single limited range, variable input signal | Dick Ropiequet | Tektronix Inc | 1959-11-24 | 1963-01-15 |
| Patent US 3355620A | US | 3355620A | Pulse counter tube employing voltage feedback from target to beam deflection electrodes isolated from any d. c. reference voltage | Dick Ropiequet | Tektronix Inc | 1963-12-02 | 1967-11-28 |
Publications
Patents
- US Patent 3355620 Pulse counter tube employing voltage feedback from target to beam deflection electrodes isolated from any d. c. reference voltage (Filed 2 Dec 1963, granted 28 Nov 1967)