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:
Nov. 15, 2011
Filed:
Mar. 02, 2006
Mitsuru Shingyohuchi, Kanagawa, JP;
Takashi Kimura, Kanagawa, JP;
Hirotoshi Eguchi, Kanagawa, JP;
Kunihiro Yamanaka, Kanagawa, JP;
Takahiro Yoshida, Kanagawa, JP;
Toshihito Kamei, Tokyo, JP;
Mitsuru Shingyohuchi, Kanagawa, JP;
Takashi Kimura, Kanagawa, JP;
Hirotoshi Eguchi, Kanagawa, JP;
Kunihiro Yamanaka, Kanagawa, JP;
Takahiro Yoshida, Kanagawa, JP;
Toshihito Kamei, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An imaging apparatus is provided that includes a liquid discharge head configured to discharge recording liquid as one or more recording liquid droplets; a drive waveform generating unit configured to generate a drive waveform including at least two drive signals within one printing period; a drive unit configured to input tone data, select a relevant drive signal from the drive waveform via a switch that switches on/off according to the tone data, and apply the selected drive signal to the liquid discharge head; and a transmitting unit configured to transmit the tone data to the drive unit plural times within one printing period, the tone data being configured at a plurality of bits per channel.