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Akira Nakashima

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(Redirected from Akira Nakashima (engineer)) Japanese electrical engineer For the Japanese ophthalmologist, see Akira Nakajima (ophthalmologist).

Akira Nakashima

Akira Nakashima (中嶋 章 or 中島 章, also written as Nakashima Akira, Nakasima Akira or Nakajima Akira, 5 January 1908 – 29 October 1970) was a Japanese electrical engineer of the NEC.

He got a bachelor's degree in electrical engineering from the Imperial University of Tokyo.

Akira Nakashima independenly introduced switching circuit theory in papers from 1934 to 1936, concurrent with Victor Shestakov and Claude Shannon, laying the foundations for digital circuit design, in digital computers and other areas of modern technology. However, Shannon's ideas were markedly different in approach and theoretical framework compared to the work of Nakashima, whose work was still based on the existent circuit theory of the time and took a grounded approach, whereas Shannon based his work on mathematics and was far more abstract, thereby breaking new ground and setting up an approach that now dominates modern electrical engineering.

References

  1. ^ Stanković, Radomir S. ; Astola, Jaakko Tapio , eds. (2008). Reprints from the Early Days of Information Sciences: TICSP Series on the Contributions of Akira Nakashima to Switching Theory (PDF). Tampere International Center for Signal Processing (TICSP) Series. Vol. 40. Tampere University of Technology, Tampere, Finland. ISBN 978-952-15-1980-2. ISSN 1456-2774. Archived from the original (PDF) on 2021-03-08.{{cite book}}: CS1 maint: location missing publisher (link) (3+207+1 pages) 10:00 min
  2. Yamada, Akihiko (2004). "History of Research on Switching Theory in Japan". IEEJ Transactions on Fundamentals and Materials. 124 (8). Institute of Electrical Engineers of Japan: 720–726. Bibcode:2004IJTFM.124..720Y. doi:10.1541/ieejfms.124.720.
  3. "Switching Theory/Relay Circuit Network Theory/Theory of Logical Mathematics – IPSJ Computer Museum". museum.ipsj.or.jp. Information Processing Society of Japan. Retrieved 2017-10-25.
  4. Stanković, Radomir S. ; Astola, Jaakko Tapio ; Karpovsky, Mark G. (2007). "Some Historical Remarks on Switching Theory". CiteSeerX 10.1.1.66.1248.
  5. Kawanishi, Toma (2019). "Prehistory of Switching Theory in Japan: Akira Nakashima and His Relay-circuit Theory". Historia Scientiarum. Second Series. 29 (1): 136–162. doi:10.34336/historiascientiarum.29.1_136.


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