John Kobbe
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"