Patent US 3719788A
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| 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.
For the cam switch itself, see Patent US 3562464A.
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
