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 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.

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