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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US395386012 Mar 197427 Apr 1976Nippon Telegraph and Telephone Public Corporation
Sharp Kabushiki Kaisha
Charge amplitude detection for ink jet system printer
US396973316 Dec 197413 Jul 1976International Business Machines CorporationSub-harmonic phase control for an ink jet recording system
US397205224 Oct 197327 Jul 1976Oki Electric Industry Company, Ltd.Compensation apparatus for high speed dot printer
US400746312 Mar 19748 Feb 1977Nippon Telegraph and Telephone Public Corporation
Sharp Kabushiki Kaisha
State detection arrangement for ink jet system printer
US401274528 Nov 197515 Mar 1977Burroughs CorporationPhase correction system
US401657112 Sep 19755 Apr 1977Hitachi, Ltd.Ink jet recording apparatus
US402592628 Mar 197524 May 1977Sharp Kabushiki KaishaPhase synchronization for ink jet system printer
US405148513 Aug 197627 Sep 1977Oki Electric Industry Company, Ltd.Printing apparatus
US432969526 Feb 198011 May 1982Sharp Kabushiki KaishaCharge timing evaluation in an ink jet system printer of the charge amplitude controlling type
US46125537 Jan 198516 Sep 1986Contraves GmbHMethod for operational status checks of an ink jet printer
US483966520 Jul 198713 Jun 1989Carl Hellmuth HertzMethod and apparatus for controlling the electrical charging of drops in an ink jet recording apparatus
US696915912 Aug 200229 Nov 2005Hewlett-Packard Development Company, L.P.Ink drop detector configurations