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Class Information
Number: 346/71
Name: Recorders > Undulatory record, constant amplitude
Description: Recorders wherein a marker makes an undulating record of constant amplitude.

Patents under this class:

Patent Number Title Of Patent Date Issued
8391583 Apparatus and system for imaging currency bills and financial documents and method for using the same Mar. 5, 2013
6152622 Process chart recorder with dot printing head Nov. 28, 2000
4761658 Method and apparatus for measuring experimental quantities using an ink jet impactless timing device Aug. 2, 1988

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