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Japanese

New electronic tonometer Akira Yamamori , Norikuni Hayashi 1 1Toyo Measuring Instrument Company pp.1331-1334
Published Date 1959/10/15
DOI https://doi.org/10.11477/mf.1410206757
  • Abstract
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In the authors' new tonometer, the plunger is clamped in such a way as to have its lower end at a specified distance (to be read on a graduated scale) below the footplate. Then the instrument is placed upon the suject's eye, and the variation of the load on the plunger is recorded on moving paper. The unbalanced potential appearing in the Wheat-stone's bridge formed by the advance wires in the pickup actuates, after electronic ampli-fication, the pen of the automatic null balance type indicator and recorder.


Copyright © 1959, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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