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Recording apparatus and method of controlling the recording apparatus

A technology for recording equipment and recording heads, which is applied in the direction of permanent and intuitive display devices, instruments, electrical components, etc., and can solve the problem that it is difficult to reduce the memory capacity

Inactive Publication Date: 2010-05-12
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above structure, it is difficult to reduce the capacity of the memory

Method used

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  • Recording apparatus and method of controlling the recording apparatus
  • Recording apparatus and method of controlling the recording apparatus
  • Recording apparatus and method of controlling the recording apparatus

Examples

Experimental program
Comparison scheme
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Embodiment approach

[0041] Various exemplary embodiments, features, and aspects of the invention will be described in detail below with reference to the accompanying drawings. In the exemplary embodiments described below, a description will be given of a case where the present invention is implemented using an inkjet printer as a recording apparatus.

[0042] first exemplary embodiment

[0043] figure 1 is a control block diagram according to an exemplary embodiment of the present invention. For the prior art section on image 3 Duplicate content of the description will be omitted while the figure 1 and image 3 describe the differences.

[0044] In an exemplary embodiment, the interface control circuit 5 communicates with the host (host device) through, for example, a USB interface, and stores the received command or data in the memory through the receiving buffer control circuit 7 and the storage controller 3. 4 provided within the receive buffer.

[0045] The reception buffer address ...

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Abstract

A recording apparatus configured to record on a recording medium by using a recording head, includes a first storage unit that stores input data including a command and a first image data, a reading unit that reads out the command and the first image data stored in the first storage unit by using a first pointer, a generating unit that converts the first image data read out from the first storageunit and generate a second image data, a second storage unit that stores the second image data generated in the generating unit, a determining unit that determines whether an amount of data stored inthe first storage unit reaches a predetermined value by using a second pointer, and a recording unit that starts a scan for recording after the determining unit determines that the amount of data stored in the first storage unit reaches the predetermined value.

Description

technical field [0001] The present invention relates to a recording device configured to receive data or commands from the outside and record the received data or commands and a method of controlling the recording device. Background technique [0002] Devices like printers have decreased in price and increased in performance in recent years. In order to meet these needs, logic circuits like CPU or memory (RAM, ROM, etc.) are often integrated into a chip as an integrated circuit (ASIC, etc.). [0003] In an integrated circuit, RAM occupies a relatively large area. Therefore, in devices requiring cost reduction, it is desirable to reduce the capacity of RAM as much as possible. [0004] In order to solve this problem, for example, a technique is discussed that reduces the memory (for example, print buffer) for storing record data as much as possible by receiving only the amount of data required for one scan record from the host device. ) capacity. [0005] refer to Figure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/21H04N1/32
CPCG06K15/1807G06K15/1817G06K15/00
Inventor 黑沼明
Owner CANON KK