Lee Boysel
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Lee Boysel | |
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| Education | MSEE 1963 BSEE 1962 |
| Alma mater | University of Michigan |
| OccupationTemplate:Pluralize from text | Entrepreneur Business executive Electrical engineer Investor |
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| Known for | Founder of Four-Phase Systems, Inc. |
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| Awards | University of Michigan Electrical & Computer Engineering Merit Award (2007) |
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Lee Loren Boysel (December 31, 1938 – April 25, 2021[1]) was an American electrical engineer and entrepreneur. While at Fairchild Semiconductor, he developed four-phase logic and built the first integrated circuit with over 100 logic gates, and designed the Fairchild 3800 / 3804 8-bit ALUs.[2] Boysel designed the Four-Phase Systems AL1.[3] He founded Four-Phase Systems to commercialize the technology, and sold the company to Motorola in 1981.
He was a graduate of the University of Michigan.
Litigation
Texas Instruments claimed to have patented the microprocessor and, in response, Boysel assembled a system in which a single 8-bit AL1 was used as part of a courtroom demonstration computer system, together with ROM, RAM and an input-output device.[4]
References
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- ^ Page Module:Citation/CS1/styles.css has no content."Lee Boysel: In Memoriam (12/31/1938 – 4/25/2021)". Electrical and Computer Engineering, University of Michigan. May 24, 2021.
- ^ Page Module:Citation/CS1/styles.css has no content."1971: MICROPROCESSOR INTEGRATES CPU FUNCTION ONTO A SINGLE CHIP". Computer History Museum.
- ^ Page Module:Citation/CS1/styles.css has no content."Microprocessor Stories: Four-Phase Systems AL1". 2011 – via Computer History Museum.
- ^ Page Module:Citation/CS1/styles.css has no content.Boysel, Lee (April 3, 1995). "Court room demonstration system 1969 AL1 microprocessor" (PDF) – via Computer History Museum.
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