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Plotter Print Module

IP.com Disclosure Number: IPCOM000035670D
Original Publication Date: 1989-Jul-01
Included in the Prior Art Database: 2005-Jan-28

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Landrock, JB Perske, M Schmidt, M Tandjung, H [+details]


The print module comprises a feltlike material 1 storing ink supplied to cartridge 2 by capillary effect. The ink is made conductive by adding a suitable electrolyte. Electrodes 3 and 4 are fixed to material 1. Electrical contact to a measuring circuit in the plotter is established by a gripper arm (not shown). The measuring circuit serves to measure the dampness of material 1 as a function of its electric resistance.