| US 7,600,842 B2 | ||
| Image reproducing and forming apparatus, printer driver and data processing apparatus | ||
| Masanori Hirano, Kanagawa (Japan); Yoshihisa Ohta, Tokyo (Japan); Takashi Kimura, Kanagawa (Japan); and Masakazu Yoshida, Kanagawa (Japan) | ||
| Assigned to Ricoh Company, Ltd., Tokyo (Japan) | ||
| Appl. No. 10/565,136 PCT Filed Jul. 30, 2004, PCT No. PCT/JP2004/011382 § 371(c)(1), (2), (4) Date Jan. 18, 2006, PCT Pub. No. WO2005/011983, PCT Pub. Date Feb. 10, 2005. |
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| Claims priority of application No. 2003-286372 (JP), filed on Aug. 05, 2003; and application No. 2003-417159 (JP), filed on Dec. 15, 2003. | ||
| Prior Publication US 2006/0181562 A1, Aug. 17, 2006 | ||
| Int. Cl. B41J 2/205 (2006.01) | ||
| U.S. Cl. 347—15 [347/43] | 16 Claims |
| 1. An image reproducing and forming apparatus comprising:
a recording head configured to eject liquid droplets of at least one color and capable of bidirectional recording; and
a controller configured to control an amount of liquid adhering to a recording paper so as to reduce color difference occurring
in the bidirectional recording,
wherein the controller controls the amount of liquid adhesion through controlled gamma correction using a controlled gamma
value adjusted so as to reduce the color difference, and
wherein the controller has a selector that selects either an ordinary gamma correction using an ordinary gamma value or the
controlled gamma correction for reducing color difference using the controlled gamma value.
|