Logan Belleville: Difference between revisions

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[[File:Logan Belleville.jpg|250px|thumb|right|Logan Belleville]]
{{Person
{{Person
|Names=Logan M. Belleville  
|Names=Logan M. Belleville  
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|Death date=Jan 8, 2000
|Death date=Jan 8, 2000
|Death place=Vancouver, WA
|Death place=Vancouver, WA
|Countries=
|Countries=USA
|Affiliations=U.S. Forest Service Radio Lab; MIT Radiation Laboratories; Tektronix;
|Affiliations=U.S. Forest Service Radio Lab; MIT ; Tektronix;  
|Wikidata id=
|Wikidata id=
}} was a Tektronix engineer.
}} was a Tektronix engineer.


Previously a development engineer at the U.S. Forest Service Radio Lab, he had worked at the MIT Radiation Laboratories during WWII and joined Tektronix in 1946 to become the young company's second engineer.  He left Tektronix in 1953.
Previously a development engineer at the U.S. Forest Service Radio Lab, he had worked at the MIT Radiation Laboratories during WWII and joined Tektronix in 1946 to become the young company's second engineer.  He left Tektronix in 1953.
==Links==
* [https://www.vintagetek.org/tag/logan-belleville/ Logan Belleville @ vintagetek.org]
* [https://www.vintagetek.org/2011/01/petes-story/ Reference to MIT]
* [https://www.vintagetek.org/frank-hood-recollections/ Frank Hood recollections]


==Tektronix Products==
==Tektronix Products==
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* Co-designed [[517]]
* Co-designed [[517]]
* ...
* ...
{{Designer|Logan Belleville}}
{{Patents|Logan Belleville}}


==Patents==
<gallery>
* [http://www.google.com/patents/US2577506 US2577506: Amplifier] - filed 9 Jul 1945, granted Dec 4 1951 (logarithmic amplifier)
Logan Belleville.jpg
* [http://www.google.com/patents/US3461386 US3461386: Coaxial switch using reed switch and assembly and system with isolated actuating coil]  Filed 17 Jan 1966, granted 12 Aug 1969
Logan Belleville 2.jpg
 
</gallery>
==Links==
* [http://www.highbeam.com/doc/1P2-23439031.html Obituary]
* [http://www.vintagetek.org/tag/logan-belleville/ Logan Belleville @ vintagetek.org]
* [http://www.vintagetek.org/2011/01/petes-story/ Reference to MIT]
* [http://www.vintagetek.org/frank-hood-recollections/ Frank Hood recollections]
 




[[Category:Tektronix people]]
[[Category:Tektronix people]]

Latest revision as of 06:26, 7 March 2024

Logan M. Belleville (b. Oct. 29, 1909 in Twin Falls, ID – d. Jan 8, 2000 in Vancouver, WA) was a Tektronix engineer.

Logan Belleville

Previously a development engineer at the U.S. Forest Service Radio Lab, he had worked at the MIT Radiation Laboratories during WWII and joined Tektronix in 1946 to become the young company's second engineer. He left Tektronix in 1953.

Links

Tektronix Products

  • Designed 512
  • Co-designed 511
  • Co-designed 517
  • ...

Products by Logan Belleville

Model Class Description Designers Introduced
511 Oscilloscope 10 MHz Tube scope
First Tektronix oscilloscope
Frank Hood Logan Belleville Howard Vollum 1947
512 Oscilloscope Early 2 MHz scope Logan Belleville 1948
511A Oscilloscope 10 MHz Tube scope Frank Hood Logan Belleville Howard Vollum 1948
517 Oscilloscope 50 MHz scope Logan Belleville Dick Rhiger 1951

Components by Logan Belleville

Patents by Logan Belleville

Page Office Number Title Inventors Company Filing date Grant date
Patent US 2577506A US 2577506A Amplifier Logan Belleville Logan Belleville 1945-07-09 1951-12-04
Patent US 3461386A US 3461386A Coaxial switch using reed switch and assembly and system with isolated actuating coil Sam McCutcheon Logan Belleville William H Ewin Automated Measurements Corp 1966-01-17 1969-08-12