An electronic heart-beat recorder

E. van Vollenhoven, C.T. de Wit

Research output: Contribution to journalArticleAcademicpeer-review


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.
Original languageEnglish
Pages (from-to)293-296
JournalApplied Scientific Research
Issue number1
Publication statusPublished - 1954

Fingerprint Dive into the research topics of 'An electronic heart-beat recorder'. Together they form a unique fingerprint.

  • Cite this

    van Vollenhoven, E., & de Wit, C. T. (1954). An electronic heart-beat recorder. Applied Scientific Research, 3(1), 293-296.