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AssigneeCanon Kabushiki Kaisha
InventorsYuichiro Suzuki, Hiroyuki Saito, Kentaro Onuma, Hiroyuki Kakishima
Estimating the term…
A conveyance apparatus increases the conveyance precision of a conveyance unit. The conveyance apparatus has first and second conveyance rollers. The conveyance apparatus includes a DC motor serving as a driving source for the conveyance rollers, a first encoder which outputs a first pulse signal in accordance with rotation of the first conveyance roller, a second encoder which outputs a second pulse signal in accordance with rotation of the second conveyance roller, and a control unit having a first mode in which the DC motor is controlled based on first information about the first pulse signal when executing a conveyance operation to convey a sheet by using the first and second conveyance rollers, and a second mode in which the DC motor is controlled based on second information about the second pulse signal when executing a conveyance operation to convey a sheet by using the second conveyance roller.
A conveyance apparatus which has a first conveyance roller and a second conveyance roller on a downstream side of the first conveyance roller in a conveyance direction, and conveys a sheet, comprising:
A printing apparatus which has a first conveyance roller and a second conveyance roller on a downstream side of the first conveyance roller in a conveyance direction, and prints on a conveyed print medium, comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
By rollers or balls, e.g. between rollers: between rollers or balls
Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or…:…
Function indicators: indicating an entity as a function of which control, adjustment or change is performed, i.e. input
Function indicators: indicating that several of an entity are present
About 1 year 4 months of term left · ends 2 Mar 2028 (estimated)
1. Field of the Invention
The present invention relates to a conveyance apparatus which conveys a sheet using, for example, two conveyance units equipped with encoders, a control method therefor, and a printing apparatus.
2. Description of the Related Art
FIG. 1 is a perspective view of a printing apparatus according to an exemplary embodiment;
FIG. 2 is a sectional view of a conveyance apparatus;
FIG. 3 is a block diagram of control blocks according to the first embodiment;
Exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings.
In this specification, the terms “print” and “printing” not only include the formation of significant information such as characters and graphics, but also broadly includes the formation of images, figures, patterns, and the like on a print medium, or the processing of the medium, regardless of whether they are significant or insignificant and whether they are so visualized as to be visually perceivable by humans.
Also, the term “print medium” not only includes a paper sheet used in common printing apparatuses, but also broadly includes materials, such as cloth, a plastic film, a metal plate, glass, ceramics, wood, and leather, capable of accepting ink.