PORTABLE SMOKING PATTERN RECORDER

  • 1 January 1979
    • journal article
    • research article
    • Vol. 6  (4) , 186-191
Abstract
An instrument was developed which can be used to record the smoking patterns of human smokers in almost any location. The smoker is required to smoke the cigarette through an orifice plate cigarette holder connected to the recorder. The smoking pattern data are recorded onto a standard audio cassette as pressure and flow signals together with timing impulses and speech. The instrument is battery powered and can be built into a small brief case. The 4 channels of data are decoded on a separate instrument, which uses the timing signals to synchronize a data logger, thus making the whole system independent of tape speed errors. The speech channel is used to identify the smoker, cigarette, location, etc. Comparisons were made of the performance of the portable recorder and a laboratory smoking analyser and data logger. Data decoded from the portable recorder are generally within 1% of the values recorded directly on the laboratory instrument.

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