Al Schamel
(Redirected from Alfred H. Schamel)
Alfred H. Schamel (? – ?)
Please add referenced biography.
Documents Authored by Al Schamel
| Document | Page | Class | Title | Author(s) | Year | Refers to |
|---|---|---|---|---|---|---|
| Tekscope 1973 V5 N2 Mar 1973.pdf | 7 | Article | Portable Power | R. Michael Johson • Randy Eichman • Al Schamel | 1973 | 1105 • 1106 |
Products by Al Schamel
| Manufacturer | Model | Description | Designers | Introduced |
|---|---|---|---|---|
| Tektronix | 465 | Portable 100 MHz dual-trace scope | Leon Orchard • Luis Navarro • Bob Shand • Jim Hinze • Frank Dewater • Pete Janowitz • Dave Laib • Al Schamel • Bert tenKate • Ken Holland • Bill Mark • George Ermini • Dennis Braatz | 1972 |
Components by Al Schamel
Patents by Alfred H. Schamel
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 3934189A | US | 3934189A | Power supply regulator high-line shunt bypass | Alfred H. Schamel | Tektronix Inc | 1974-02-20 | 1976-01-20 |
| Patent US 4688148A | US | 4688148A | Packaging for electrical instruments | Robert L. Mallory • Alfred H. Schamel • Stephen M. Sekel | Tektronix Inc | 1986-06-06 | 1987-08-18 |
| Patent US 4694380A | US | 4694380A | Carrier tray for circuit board | Robert L. Mallory • Alfred H. Schamel • Stephen M. Sekel | Tektronix Inc | 1986-06-11 | 1987-09-15 |