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Patent Searching and Data


Title:
記録装置
Document Type and Number:
Japanese Patent JP4577374
Kind Code:
B2
Abstract:
A recording apparatus includes a recording head having a common liquid channel (105,105a); plural pressure chambers (110); plural nozzles (108); plural individual liquid channels (132), each individual liquid channel extending from the common liquid channel via associated pressure chamber to associated nozzle; and plural actuators (21) configured to impart a pressure to a liquid inside a respective one of the pressure chambers; and a control unit (16) configured to drive the actuators; wherein the control unit comprises: an excessive state detection section (65) configured to detect an excessive state in which a pressure difference between a liquid-side pressure and an air-side pressure at a meniscus formed at any one of the nozzles exceeds a threshold value when droplets are ejected from the nozzles, and a meniscus vibration section (66) configured to drive the actuator associated with the nozzle that does not eject droplets such that the meniscus is subjected to vibration without ejecting the droplets.

Inventors:
Yoshifumi Suzuki
Application Number:
JP2008035773A
Publication Date:
November 10, 2010
Filing Date:
February 18, 2008
Export Citation:
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Assignee:
Brother Industries, Ltd.
International Classes:
B41J2/01
Domestic Patent References:
JP6210872A
JP10006526A
JP2001232787A
JP2005059441A
JP2007304651A
JP11157076A
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara