0.1" header
Pin headers with 0.1" (2.54 mm) center distances are ubiquitous in electronics.
They were used in Tek equipment starting circa 1970, e.g. 7503.
The cable connector (see patent below) was sometimes called "harmonica connector".
Patents that may apply to harmonica connector
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3582863A | Electrical terminal housing having hinge and adjacent lock projection | Eldon Hoffman | 1969-03-12 | 1971-06-01 | Harmonica connector |