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A new optical pulse beat recorder

H L Borse and C H Edlin

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A simple and inexpensive method of obtaining a photographic record of pulse beats by fixing a mirror over a vein or artery is described. Faults involved in other methods are avoided. By means of crossed slits a fine point of light traces out a curve which exhibits details of the pulse beat. It is hoped that these tracings will be of use for purposes of diagnosis in cases where the electrocardiograph is not available.


PACS

87.85.Ng Biological signal processing

07.07.Hj Display and recording equipment, oscilloscopes, TV cameras, etc.

07.60.-j Optical instruments and equipment

42.79.Bh Lenses, prisms and mirrors

Subjects

Instrumentation and measurement

Optics, quantum optics and lasers

Dates

Issue 12 ( 1 December 1930)

Received 30 August 1930



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