Patent US 3719788A
| Patent number | US 3719788A (click link for details and documents via Google Patents) |
|---|---|
| Title | Switch having ganged contacts mounted on opposite sides of circuit board |
| Inventors | Ken Holland, Tony Sprando |
| Company | Tektronix Inc |
| Filing date | 1971-02-04 |
| Grant date | 1973-03-06 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 3900711A | Electrical contactor assembly for high frequency applications | Ken Holland | Tektronix Inc | 1975-08-19 |
Related products:
| Manufacturer | Model | Description | Introduced | Designers |
|---|---|---|---|---|
| Tektronix | 465 | Portable 100 MHz dual-trace scope | 1972 | 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 |
| Tektronix | 475 | Portable 200 MHz dual-trace scope | 1972 | Leon Orchard • Luis Navarro • Bob Shand • Jim Hinze • Jim Godwin • Les Larson • Steve Tosh • Jim Woo • Ken Holland • Bill Mark • George Ermini • Dennis Braatz |
| Tektronix | 5A38 | 35 MHz dual channel vertical plugin | 1975 | |
| Tektronix | 5A45 | 60 MHz single channel vertical plugin | 1975 | |
| Tektronix | 7A15 | 80 MHz vertical amplifier | 1970 | Tom Rousseau |
| Tektronix | 7A16A | 225 MHz vertical amplifier | 1973 | Tom Rousseau |
| Tektronix | 7A18 | 75 MHz dual-channel amplifier | 1971 | Tom Rousseau |
| Tektronix | 7A19 | 600 MHz amplifier | 1971 | Thor Hallen • Val Garuts |
| Tektronix | 7A24 | 400 MHz dual channel vertical amplifier | 1974 | Tom Rousseau |
| Tektronix | 7A26 | 200 MHz dual-channel amplifier | 1974 | Tom Rousseau |
| Tektronix | 7D15 | 225 MHz frequency counter | 1972 | Art Metz • Roger McCoy |
| Tektronix | PG506 | 1 MHz calibration generator | 1974 |
This patent describes a cam switch having contacts on both sides of the PCB, with the bottom part driven from the cam on top via a small actuator. It is used in the attenuators of the 465, 475, 5A38, 5A45, 7A15, 7A16A, 7A18, 7A19, 7A24, 7A26, in the 7D15, and others.
Pictures
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7A18 attenuator bottom view
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7D15: Cam switch with contacts on both sides of the PCB
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7D15
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7D15
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7D15: bottom-side contacts
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7D15: through-board pins
