B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.011, 101/
B41J 1/18 (2006.01) B41J 2/055 (2006.01) B41J 5/30 (2006.01)
Patent
CA 1117815
Abstract of the Disclosure A piezoelectric crystal is connected with a membrane and is energized to deflect or bend the membrane for ejecting droplets of ink from an ink supply. The energizing voltage pulses are timed to start and are of a duration whereby the return of the membrane to a normal position upon termination of the voltage pulses acts against the negative pressure wave in the ink supply for preventing excessive underpressure therein.
322267
Bader Leonhard
Giessner Frank
Weber Helmut
Ncr Corporation
Smart & Biggar
LandOfFree
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