Patent US 3562464A
| Patent number | US 3562464A (click link for details and documents via Google Patents) |
|---|---|
| Title | Cam actuated switch having movable and fixed contacts on circuit board |
| Inventors | Howard Vollum, Willem H Verhoff, Tony Sprando |
| Company | Tektronix Inc |
| Filing date | 1968-10-07 |
| Grant date | 1971-02-09 |
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 | 2101 | 25 MHz Pulse generator | 1970 | |
| Tektronix | 2701 | Manually controlled 50 Ω step attenuator | 1976 | |
| Tektronix | 2703 | Manually controlled 75 Ω step attenuator | 1976 | |
| Tektronix | 432 | 25 MHz dual trace portable scope | 1971 | |
| Tektronix | 434 | 24 MHz analog storage scope | 1971 | |
| 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 | 5A15N | 2 MHz single channel amplifier | 1971 | |
| Tektronix | 5A18N | 2 MHz dual-channel amplifier | 1971 | |
| Tektronix | 5A20N | 1 MHz differential amplifier | 1971 | |
| Tektronix | 5A21N | 1 MHz differential amplifier | 1971 | |
| Tektronix | 5A38 | 35 MHz dual channel vertical plugin | 1975 | |
| Tektronix | 5A45 | 60 MHz single channel vertical plugin | 1975 | |
| Tektronix | 5B10N | 1 μs (100 ns) time base plug-in | 1971 | |
| Tektronix | 5B12N | dual time base plug-in | 1971 | |
| 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 | 7B10 | 1 GHz timebase | 1978 | Art Metz • Bruce Hofer • Val Garuts |
| Tektronix | 7B15 | 1 GHz delaying timebase | 1978 | Art Metz • Bruce Hofer • Val Garuts |
| Tektronix | 7B50 | 100 MHz Timebase | 1969 | Murlan Kaufman |
| Tektronix | 7B50A | 100 MHz timebase | 1976 | Les Larson • Bruce Hofer • Paul Farley • Art Metz |
| Tektronix | 7B51 | 100 MHz Timebase | 1969 | Murlan Kaufman |
| Tektronix | 7B52 | 100 MHz Dual Timebase | 1970 | Bill DeVey |
| Tektronix | 7B53A | 100 MHz dual timebase | 1973 | |
| Tektronix | 7B70 | 200 MHz Timebase | 1969 | Murlan Kaufman |
| Tektronix | 7B71 | 200 MHz Delaying Timebase | 1969 | Murlan Kaufman |
| Tektronix | 7B80 | 400 MHz timebase | 1976 | Les Larson • Bruce Hofer • Paul Farley • Art Metz |
| Tektronix | 7B85 | 400 MHz delaying timebase | 1976 | Les Larson • Bruce Hofer • Paul Farley • Art Metz |
| Tektronix | 7B87 | 400 MHz time base for 7854 | 1981 | Art Metz |
| Tektronix | 7B92 | 500 MHz dual timebase | 1971 | Bill DeVey • Val Garuts |
| Tektronix | 7B92A | 500 MHz dual timebase | 1976 | Les Larson • Bruce Hofer |
| Tektronix | 7D01 | 16-ch Logic Analyzer | 1976 | Murlan Kaufman • Keith Taylor • Morris Green • Jeff Bradford • Ed Wolf • Vendell Damm |
| Tektronix | 7D12 | digital meter plugin | 1974 | |
| Tektronix | 7D15 | 225 MHz frequency counter | 1972 | Art Metz • Roger McCoy |
| Tektronix | 7J20 | Optical Spectrometer | 1975 | |
| Tektronix | 7S12 | Time Domain Reflectometer / Sampler | 1971 | |
| Tektronix | 7T11 | Sampling Sweep Unit | 1969 | George Frye • Al Zimmerman • Gene Cowan |
| Tektronix | 7T11A | Sampling Sweep Unit | 1986 | George Frye • Al Zimmerman • Gene Cowan |
| Tektronix | AF501 | bandpass filter | 1975 | |
| Tektronix | AM502 | differential amplifier | 1974 | |
| Tektronix | AM503 | current probe amplifier | 1976 | Dale Dorando |
| Tektronix | DC502 | 550 MHz frequency counter | 1972 | Jim Geddes |
| Tektronix | DC503 | 100 MHz, 7-digit frequency counter | 1972 | Roland Crop • Jim Geddes |
| Tektronix | DC504 | 80 MHz, 5-digit frequency counter | 1975 | |
| Tektronix | DC505 | 225 MHz counter/timer | 1974 | |
| Tektronix | DM501 | 4½ digit multimeter | 1972 | |
| Tektronix | DM502 | basic 3½ digit digital multimeter | 1975 | |
| Tektronix | FG501 | function generator | 1972 | Roger Stenbock |
| Tektronix | FG501A | function generator | 1981 | |
| Tektronix | FG502 | function generator | 1974 | Steve Stanger |
| Tektronix | FG503 | 3 MHz function generator | 1974 | |
| Tektronix | FG504 | 40 MHz function generator | 1976 | |
| Tektronix | FG507 | sweep function generator | 1980 | |
| Tektronix | PG501 | 50 MHz pulse generator | 1972 | Mark Walker • Mike Reiney |
| Tektronix | PG502 | 250 MHz pulse generator | 1974 | |
| Tektronix | PG505 | 100 kHz, 80 V pulse generator | 1974 | |
| Tektronix | PG506 | 1 MHz calibration generator | 1974 | |
| Tektronix | PG506A | 1 MHz calibration generator | 1989 | |
| Tektronix | PG508 | 50 MHz pulse generator | 1976 | Fred Beckett • Dennis Feucht • Tom Hill • Gary Kersey |
| Tektronix | SC502 | 15 MHz dual-channel oscilloscope | 1976 | |
| Tektronix | SC503 | 10 MHz dual-channel storage oscilloscope | 1979 | |
| Tektronix | SC504 | 80 MHz dual-channel oscilloscope | 1978 | |
| Tektronix | TG501 | time-mark generator | 1974 |
This patent describes the cam switches that Tek introduced toward the end of the 1960s.
See also Patent 3,584,174 covering the back-lit switches used in 7000-series scopes/plugins and other instruments, which also use low-inductance spring contacts on PCBs.
