Patent US 3584174A

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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

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
Tektronix 7D11 digital delay 1972 Carlo Infante Bob Beville Bruce Hofer
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.