The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 2013
Filed:
Aug. 18, 2010
Tetsuro Hirota, Hadano, JP;
Masanori Horike, Yokohama, JP;
Shin Kayahara, Kamaukura, JP;
Osamu Endou, Yokohama, JP;
Tomoko Takahashi, Yokohama, JP;
Tetsuro Hirota, Hadano, JP;
Masanori Horike, Yokohama, JP;
Shin Kayahara, Kamaukura, JP;
Osamu Endou, Yokohama, JP;
Tomoko Takahashi, Yokohama, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
An image forming device, including a toner bearer including plural linear electrodes located at a first regular pitch in a crosswise direction thereof, flying a toner on the surface thereof between the plural linear electrodes with a pulse voltage thereto to form a floating toner layer; and a substrate including plural hole-electrode combinations arranged in a longitudinal direction of the linear electrodes, each formed of a through-hole and a hole-adjacent electrode located close to the through-hole, wherein the floating toner layer is formed in an area facing the through-hole, and a toner passes through only the through-holes facing a desired image from the floating toner layer with a record on or off voltage, and the plural hole-electrode combinations are lined at a second regular pitch in a crosswise direction of the toner bearer, and the second regular pitch is an integral multiple of the first regular pitch.