Patent US 3584174A
| Patent number | US 3584174A (click link for details and documents via Google Patents) |
|---|---|
| Title | Push-button switch apparatus having cam actuated switch contacts and selective illumination means |
| Inventors | Tony Sprando, Peter S Winkelmann |
| Company | Tektronix Inc |
| Filing date | 1969-06-09 |
| Grant date | 1971-06-08 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 4013855A | Modular pushbutton switch | John E. Reichen • Richard Neff Meyer • Gary W. Reed | Tektronix Inc | 1977-03-22 |
Related products:
| Manufacturer | Model | Description | Introduced | Designers |
|---|---|---|---|---|
| Tektronix | 067-0587-00 | 7000 Series Calibration Fixture | (?) | |
| Tektronix | 067-0587-01 | 7000 Series Calibration Fixture | (?) | |
| Tektronix | 067-0587-02 | 7000 Series Calibration Fixture | 1979 | Art Metz |
| Tektronix | 067-0587-10 | 7000 Series Calibration Fixture | (?) | |
| Tektronix | 7A11 | 250 MHz FET-probe amplifier | 1969 | John Addis • Ron Peltola • Glenn Bateman |
| Tektronix | 7A12 | 120 MHz dual-channel amplifier | 1969 | Roy Hayes |
| Tektronix | 7A13 | 100 MHz Differential Comparator | 1969 | Bill DeVey |
| Tektronix | 7A14 | 120 MHz current probe amplifier | 1969 | Hans Springer |
| Tektronix | 7A16 | 150 MHz vertical amplifier | 1969 | Jim Woo |
| Tektronix | 7A16P | 150/200 MHz vertical amplifier | 1978 | |
| Tektronix | 7A22 | 1 MHz differential amplifier | 1969 | Val Garuts |
| Tektronix | 7A42 | 350 MHz four-channel logic triggered amplifier | 1984 | Kirk Wimmer |
| Tektronix | 7B42N | Dual timebase | (not released) | |
| Tektronix | 7B50 | 100 MHz Timebase | 1969 | Murlan Kaufman |
| 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 | 7B92 | 500 MHz dual timebase | 1971 | Bill DeVey • Val Garuts |
| Tektronix | 7B92A | 500 MHz dual timebase | 1976 | Les Larson • Bruce Hofer |
| Tektronix | 7D10 | digital events delay | 1976 | Carlo Infante • Bob Beville • Bruce Hofer • Bill Peek • Phil Lloyd |
| Tektronix | 7D11 | digital delay | 1972 | Carlo Infante • Bob Beville • Bruce Hofer • Bill Peek • Phil Lloyd |
| Tektronix | 7D12 | digital meter plugin | 1974 | |
| Tektronix | 7D15 | 225 MHz frequency counter | 1972 | Art Metz • Roger McCoy |
| Tektronix | 7D20 | 70 MHz dual-channel digitizer | 1982 | |
| Tektronix | 7F10 | 750 MHz optical input amplifier | 1987 | Wanda Yantis |
| Tektronix | 7L12 | 1.8 GHz Spectrum Analyzer | 1971 | Morris Engelson • Linley Gumm • Gene Kauffman • Larry Lockwood • Gordon Long • Steve Morton • Paul Parks • Fred Telewski • Neal Broadbent • Jack Doyle • Al Huegli • Steve Skidmore • Leighton Whitsett • Judy Hanson • Robert Holmes • Carolyn Moore • Rena Randle |
| Tektronix | 7L13 | 1.8/2.5 GHz Spectrum Analyzer | 1974 | Fred Telewski |
| Tektronix | 7L14 | 1.8 GHz Spectrum Analyzer with digital storage | 1982 | |
| Tektronix | 7L18 | 18 (60) GHz Spectrum Analyzer | 1978 | Linley Gumm • Bob Bales • Russell Brown • George Maney • Carlos Beeck • James Wolf • Dave Shores • Philip Snow • Wesley Hayward • Jack Reynolds • Steve Morton • Don Kirkpatrick • Dennis Smith • Al Huegli |
| Tektronix | 7L5 | 5 MHz Spectrum Analyzer | 1976 | Fendall Winston • Craig Bryant • Steve Morton • Bill Benedict • Don Kirkpatrick • Steve Skidmore • Carlos Beeck • Morris Engelson |
| Tektronix | 7M13 | Readout Unit | 1974 | |
| Tektronix | 7S11 | Sampling plugin | 1969 | George Frye • Al Zimmerman • Gene Cowan |
| Tektronix | 7S12 | Time Domain Reflectometer / Sampler | 1971 | |
| Tektronix | 7T11 | Sampling Sweep Unit | 1969 | George Frye • Al Zimmerman • Gene Cowan |
This patent describes the back-lit switches that Tek introduced at the end of the 1960s for the 7000-series scopes/plugins, and other instruments.
See also the cam switch patent 3,562,464 referenced in 3,584,174 as the copending application 765,597 by H. Vollum et al for using similar low-inductance spring contacts on PCBs.
