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Ink Jet Nozzle Pressure Measurement System Disclosure Number: IPCOM000066927D
Original Publication Date: 1979-May-01
Included in the Prior Art Database: 2005-Feb-20

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In failure diagnosis of nonimpact printers, such as ink jet printers, it is often helpful if the ink pressure in the nozzle is known as a function of time. In this connection, the existing piezoelectric crystal used in continuous jet-type print heads may be employed as a simple pressure transducer.