DIFF Subgroup
G01D 9/24 recording occurring at separated intervals, e.g. by chopper bar
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 time and the recording medium, e.g. paper roll, being controlled in accordance with the variable > recording occurring at separated intervals, e.g. by chopper bar
No child classifications to compare. This is a leaf node in both IPC and CPC.