G - Physics – 01 – D
Patent
G - Physics
01
D
340/135, 73/67,
G01D 15/18 (2006.01) B41J 2/125 (2006.01)
Patent
CA 1085483
IMPACT POSITION TRANSDUCER FOR INK JET Abstract of the Disclosure A sensing arrangement for accurately detecting the position of ink jet or similar drop impact thereon. The drop impact occurs on the surface of a poled piezoelectric between two parallel conductors. The charge generated by drop impact is localized, the degree inversely dependent upon the piezoelectric thickness, so that the signal generated in a conductor is dependent upon the distance of the impact location from the conductor. Thus, using transimpedance amplifiers, the difference of the output signals indicates the impact position.
279969
Fleischer John M.
Holmes Richard D.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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