Patent US 3562464A: Difference between revisions

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[[File:Cam-03.jpg|thumb|400px]]
{{Patent
{{Patent
|Office=US
|Office=US
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|Title=Cam actuated switch having movable and fixed contacts on circuit board
|Title=Cam actuated switch having movable and fixed contacts on circuit board
|Company=Tektronix Inc
|Company=Tektronix Inc
|Inventors=Howard Vollum; Willem H Verhoff; Tony Sprando
|Inventors=Howard Vollum; Willem H Verhoef; Tony Sprando
|Filing date=1968-10-07
|Filing date=1968-10-07
|Grant date=1971-02-09
|Grant date=1971-02-09
|Links=Cam switches;2101;2701;2703;432;434;465;475;5A15N;5A18N;5A20N;5A21N;5A38;5A45;5B10N;5B12N;7A15;7A16A;7A18;7A19;7A24;7A26;7B10;7B15;7B50;7B51;7B52;7B53A;7B50A;7B70;7B71;7B80;7B85;7B87;7B92;7B92A;7D01;7D12;7D15;7J20;7S12;7T11;7T11A;AF501;AM502;AM503;DC502;DC503;DC504;DC505;DM501;DM502;FG501;FG501A;FG502;FG503;FG504;FG507;PG501;PG502;PG505;PG506;PG506A;PG508;TG501;SC502;SC503;SC504;
}}
}}
This patent describes the [[cam switch]]es that Tek introduced toward the end of the 1960s.
This patent describes the [[cam switches]] that Tek introduced toward the end of the 1960s.


See also [[Patent US 3584174A|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.
See also [[Patent US 3719788A|Patent 3,719,788]] that covers switches with contacts mounted on opposite sides of the board,
and [[Patent US 3584174A|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.


[[File:Cam-03.jpg|thumb|400px]]
{{Documents|Link=Patent US 3562464A}}

Latest revision as of 02:55, 16 October 2024

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 Verhoef, 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 3,719,788 that covers switches with contacts mounted on opposite sides of the board, and 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.

Documents Referencing Patent US 3562464A

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