John Kobbe: Difference between revisions
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: see [http://wpeval.wilhelmphoto.com/?page_id=13 Tek Stories: Oscilloscope Patents] | : see [http://wpeval.wilhelmphoto.com/?page_id=13 Tek Stories: Oscilloscope Patents] | ||
:and [http://dfad.com.au/links/THE%20SECRET%20WORLD%20OF%20PROBES%20OCt09.pdf Doug Ford, ''The Secret World of Oscilloscope Probes''] | :and [http://dfad.com.au/links/THE%20SECRET%20WORLD%20OF%20PROBES%20OCt09.pdf Doug Ford, ''The Secret World of Oscilloscope Probes''] | ||
* | * unblanking and sweep circuits for [[310]], [[315]] | ||
* [[575]] curve tracer | * [[575]] curve tracer | ||
Revision as of 23:46, 14 December 2014
John Kobbe joined Tektronix in 1951 to work in the test department.
Having had no formal engineering education, Kobbe co-initiated a "scope class" to design and build an oscilloscope in the test department, don't ring which he designed an un-blanking circuit and a simplified sweep circuit that were eventually used in the 300 series.
Kobbe then joined the Engineering department and later into the Advanced Research group..
Products and Inventions
- Use of lossy coax cable in scope probes: US Patent 2883619, Electrical Probe. John Kobbe and Bill Polits (filed 1956)
Publications
- http://www.vintagetek.org/wp-content/uploads/2011/10/Tek-series-500-development.pdf
- http://www.vintagetek.org/my-early-tektronix-days-by-john-kobbe-2/
- US Patent 2,930,986: J. R. Kobbe, "Distributed Amplifier"