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PCE
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DIFF Subgroup
G01D 9/12

recording occurring continuously

Introduced: September 1968

Full Title

Recording measured values > Producing one or more recordings of the values of a single variable > the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time > recording occurring continuously

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • G01D 9/14 with provision for altering speed of recording medium in accordance with the magnitude of the variable to be recorded IPC+CPC Available in IPC and CPC