Bill Mark

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William R. Mark (? – ?)

   Please add referenced biography.

From Tekscope V11 N3, 1979:

Bill Mark joined Tek in 1968 after completing his B.S. in Electrical Engineering Technology at Weber State College in Utah. He received his B.S.E.E. from the University of Portland in 1978.

Bill worked with the Product Evaluation group doing electrical evaluation on accessories and general purpose instruments. He also did high-impedance attenuator design for some of the 400 Series Oscilloscopes.

He is responsible for the electrical design of the DM501A.

Bill is an amateur mycologist (one who can discern between palatable and poisonous mushrooms) and enjoys gardening, hunting, and fishing.

Documents Authored by Bill Mark

Document Page Class Title Author(s) Year Refers to
Tekscope 1979 V11 N3.pdf 13 Article A New DMM Family for the TM 500 Series Bill Mark 1979 DM501A DM502A DM505 P6601

Products by Bill Mark

Model Class Description Designers Introduced
465 Oscilloscope Portable 100 MHz dual-trace scope 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 1972
475 Oscilloscope Portable 200 MHz dual-trace scope Leon Orchard Luis Navarro Bob Shand Jim Hinze Jim Godwin Les Larson Steve Tosh Jim Woo Ken Holland Bill Mark George Ermini Dennis Braatz 1972
475A Oscilloscope Portable 250 MHz dual-trace scope Leon Orchard Luis Navarro Bob Shand Jim Hinze Jim Godwin Les Larson Steve Tosh Jim Woo Ken Holland Bill Mark George Ermini Dennis Braatz 1977
DM501A Plug-in 4½ digit True RMS multimeter Bill Mark 1980

Components by Bill Mark

Patents by William R. Mark

Page Office Number Title Inventors Company Filing date Grant date
Patent US 6781391 US 6781391 Multi-channel, low input capacitance signal probe and probe head Gary W. Reed J. Steve Lyford Les Larson William R. Mark Tektronix Inc 2001-12-12 2004-08-24
Patent US 6847199B2 US 6847199B2 Capturing both digital and analog forms of a signal through the same probing path Roy Kaufman Gene Andrews Colin L. Shepard William R. Mark Les Larson Donald F. Murray Tektronix Inc 2003-02-11 2005-01-25