Charlie Rhodes
Charles Wesley Rhodes (b. Aug 1, 1929 – d. Mar 20, 2018) was responsible for developing Tek's Television Products Group. He joined Tek in 1956.
From Tekscope V.3 No.6 Nov.1971:
Charlie attended the University of California at Berkeley and worked with the Columbia Broadcasting System for two years before coming with Tektronix in 1956.
His projects have been largely centered around his continuing interest in the field of television.
He has designed or directed the design of all of the vectorscopes, television waveform monitors and picture monitors introduced by the company since 1957.
He holds several U.S. and foreign patents relating to television and has published several technical papers.
Links
- Charlie Rhodes @ vintagetek.org
- Remembering an 'Extraordinary Scientist'
- Outline of Charlie Rhodes’ Life, by Linley Gumm (PDF)
- Engineer Profile: Charlie Rhodes
- In-Service Noise Measurements On A CATV System (1971)
Documents Authored by Charlie Rhodes
| Document | Page | Class | Title | Author(s) | Year | Refers to |
|---|---|---|---|---|---|---|
| AX-3264.pdf | Application Note | A New NTSC Graticule for the 1480 Waveform Monitor (TV Products App Note No.20) | Charlie Rhodes • John Lauer | 1975 | 1480 • 1485 | |
| Tekscope 1969 V1 N4 Aug 1969.pdf | 2 | Article | Measuring Return-Loss | Charlie Rhodes | 1969 | 1A5 • R140 • 528 • R520 • RM529 |
| Tekscope 1971 V3 N6 Nov 1971.pdf | 5 | Article | Measuring Distortions in the Television Signal | Charlie Rhodes | 1971 |
Products by Charlie Rhodes
| Model | Class | Description | Designers | Introduced |
|---|---|---|---|---|
| X544 | Oscilloscope | prototype scope | Phil Crosby • Charlie Rhodes • Henry Fritzler | (not released) |
| 526 | Audio/Video | NTSC Vectorscope | Charlie Rhodes • Ron Olson | 1959 |
| Z | Plug-in | Comparator preamp plug-in | Charlie Rhodes • Ron Olson | 1960 |
| 527 | Audio/Video | Video Waveform Monitor | Charlie Rhodes • Ron Olson | 1961 |
| 3S76 | Plug-in | Dual Channel Sampling plug-in | Cliff Moulton • Ron Olson • Charlie Rhodes • Walt Lowy • Phil Crosby | 1962 |
Components by Charlie Rhodes
Patents by Charlie Rhodes
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 3009094A | US | 3009094A | Current control circuit | Charlie Rhodes | Tektronix Inc | 1959-04-20 | 1961-11-14 |
| Patent US 3534155A | US | 3534155A | Measurement of characteristic of electrical signal by positioning measured portions of a corresponding pair of opposite phase signals in coincidence | Charlie Rhodes | Tektronix Inc | 1967-10-05 | 1970-10-13 |
| Patent US 3911478A | US | 3911478A | Method and apparatus for processing test signals which convey information as to gain and delay distortions of T.V. systems | Charlie Rhodes | Tektronix Inc | 1972-04-05 | 1975-10-07 |
| Patent US 4092674A | US | 4092674A | Video transmission stabilization system | Charlie Rhodes • David James Jurgensen | Tektronix Inc | 1976-10-06 | 1978-05-30 |
| Patent US 4092666A | US | 4092666A | Monochrome presentation of demodulated color signals | Charlie Rhodes • Phil Crosby | Tektronix Inc | 1976-12-10 | 1978-05-30 |
Photos
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Charlie Rhodes, 1971 (from Tekscope V.3 No.6 Nov.1971)
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Photo from around 1960 when Charlie joined Tek
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