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Electromagnetic Ink Jet Print Head

IP.com Disclosure Number: IPCOM000046600D
Original Publication Date: 1983-Aug-01
Included in the Prior Art Database: 2005-Feb-07
Document File: 2 page(s) / 28K

Publishing Venue

IBM

Related People

Ng, CS: AUTHOR

Abstract

Ink drops are ejected on demand for printing from orifice 10 by reciprocation of hollow, inductively driven piston 11. Coil 12 receives an alternating drive signal when a drop is to be ejected. The field created by coil 12 reciprocates piston 11. The contour 13 of the interior of piston 11 pumps a drop of ink through orifice 10 from ink supply conduit 14.

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Electromagnetic Ink Jet Print Head

Ink drops are ejected on demand for printing from orifice 10 by reciprocation of hollow, inductively driven piston 11. Coil 12 receives an alternating drive signal when a drop is to be ejected. The field created by coil 12 reciprocates piston 11. The contour 13 of the interior of piston 11 pumps a drop of ink through orifice 10 from ink supply conduit 14.

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