Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 422484
Title An electronic heart-beat recorder
Author(s) Vollenhoven, E. van; Wit, C.T. de
Source Applied Scientific Research 3 (1954)1. - ISSN 0003-6994 - p. 293 - 296.
DOI http://dx.doi.org/10.1007/bf02123911
Department(s) Wageningen University
Publication type Refereed Article in a scientific journal
Publication year 1954
Abstract An apparatus permitting to record the heart-beats of working persons is described. The input signal is obtained from a barrier layer photocell and a lamp at the ear-lobe. The signal is amplified by a differential amplifier with symmetrical input and feed-back.
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