Interested in finding out more about this calculating wonder? Then try one of the related articles (often light-hearted) I have published.
Go to the search my tech papers page.
You searched for: hemmi frequency | |||||
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Maker | Model | Type | Material | Comments | Thumbnail |
Hemmi | 301 | Control Engineering | bamboo/celluloid veneers | Design invented by Prof. Keisuke Izawa of Tokyo Institute of Technology for frequency responses of physical systems where transfer functions can be linear & exponential + extremely complicated to use with multiple cursors + metal backing plate + see also advanced sibling 301A |
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Hemmi | 301A | Control Engineering | bamboo/celluloid veneers | Designed by Prof. Keisuke Izawa of Tokyo Institute of Technology for frequency responses of physical systems where transfer functions can be linear & exponential + overlay co-developed with Tomoaki Morinaga especially for quadratic factor + extremely complicated to use with multiple cursors/overlay + metal backing plate + see also “basic” sibling 301 |