Discharge apparatus

A discharge head includes an orifice surface in which orifices each configured to discharge a droplet are arrayed in a predetermined direction. A detecting unit includes a light emitting element and a light receiving element, and optically detects a droplet discharged from the orifice. A suppression...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Kiyokawa, Yusuke
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A discharge head includes an orifice surface in which orifices each configured to discharge a droplet are arrayed in a predetermined direction. A detecting unit includes a light emitting element and a light receiving element, and optically detects a droplet discharged from the orifice. A suppression unit is arranged between the light emitting element and the orifice surface, and suppresses the light emitted from the light emitting element from reaching the orifice surface by shielding at least some rays of the light which are emitted from the light emitting element and would otherwise propagate to the orifice surface.