Al Zimmerman

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Al Zimmerman in 1961

Henry Allen “Al” Zimmerman (b. August 5, 1937 in Sabetha, KS – ?) got his BS in Electrical Engineering from Harvard in 1959 and MS in Electrical Engineering from UC Berkeley in 1961. He started at Tektronix in July 1961. He led the Sampling Group at Tektronix starting in the early 1960s.

Personal

Al Zimmerman was married to Emily Jo Berry and they had three kids: Berry in 1958, Bruce in 1960, and JoLynne in 1964. They divorced around 1983. He remarried Eileen Harrington in 1986. They divorced around 1997. He remarried Lila Lee around 1999. They divorced around 2010.

Tektronix

As of October 1963, Al Zimmerman's Sampling Group included:

Links

Products by Al Zimmerman

Manufacturer Model Description Designers Introduced
Tektronix 7T11 Sampling Sweep Unit George Frye Al Zimmerman Gene Cowan 1969
Tektronix 7S11 Sampling plugin George Frye Al Zimmerman Gene Cowan 1969
Tektronix 7T11A Sampling Sweep Unit George Frye Al Zimmerman Gene Cowan 1986

Components by Al Zimmerman

Patents by Henry A Zimmerman

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3359429A US 3359429A Trigger generator circuit having synchronized astable input oscillator Henry A Zimmerman Tektronix Inc 1964-03-23 1967-12-19
Patent US 3350576A US 3350576A Trigger countdown circuit which is armed and triggered by different portions of the same trigger pulse Henry A Zimmerman Tektronix Inc 1965-01-29 1967-10-31
Patent US 3558930A US 3558930A Jitter-free triggering method and apparatus Jim Knapton Henry A Zimmerman Tektronix Inc 1968-03-15 1971-01-26
Patent US 3771056A US 3771056A Display baseline stabilization circuit Henry A Zimmerman Tektronix Inc 1971-07-30 1973-11-06

Documents Authored by Al Zimmerman

Document Page Class Title Author(s) Year Refers to
Service Scope 46 Oct 1967.pdf 7 Article Random Sampling - A New Way of Fast Pulse Display Al Zimmerman 1967 3T2
Service Scope 52 Oct 1968.pdf 2 Article The State of the Art in Sampling Al Zimmerman 1968 S-1 S-2 S-3 S-4 S-50 S-51 285 3S1 3S2 3S5 3S6 3T2 3T5 3T6 3T77A 568 230
Tekscope 1970 V2 N1 Feb 1970.pdf 2 Article Measuring Jitter with a Sampling Oscilloscope Al Zimmerman 1970 Sampling 7T11 7S11

Photos