Image processing apparatus, and image processing method and program therefor
An image processing device and data processing technology, applied in the directions of image data processing, image data processing, image communication, etc., can solve problems such as difficulty in adapting to image processing devices, increased cost, and time required for data transmission
Inactive Publication Date: 2005-03-30
CANON KK
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Problems solved by technology
[0021] However, the high-speed HighSpeedUSB (USB2.0) uses more expensive LSI chips than the conventional FullSpeedUSB. In the conventional image processing device 900, both the USB function component control part 913 and the USB host control part 914 need to be HighSpeedUSB. Therefore, the cost is further increased, and it has to be adapted to FullSpeedUSB
[0022] However, in recent years, with the popularization of HighSpeedUSB with a maximum transmission speed of 480 Mbps for information processing terminals such as personal computers and the transmission of large data via USB between an image processing device and an information processing terminal such as a FullSpeedUSB, FullSpeedUSB The maximum transmission speed of 12Mbps becomes the bottleneck, and data transmission takes time, so it is difficult to adapt to the HighSpeedUSB of the image processing device
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Embodiment 1
[0036] figure 1 It is a block diagram showing a schematic configuration of the image processing apparatus 100 as Embodiment 1 of the present invention.
[0037] The image processing device 100 has a CPU 101, a ROM 102, a RAM 103, an image memory 104, a data conversion section 105, a reading control section 106, a reading section 107, an operation display section 108, a communication control section 109, a resolution conversion processing section 110, an encoding Decoding processing section 111 , recording control section 112 , HighSpeedUSB function part control section 113 , FullSpeedUSB host control section 114 , recording section 115 , USB memory 116 , CPU bus 121 .
[0038] The CPU 101 is a system control unit and controls the image processing apparatus 100 as a whole. The ROM 102 stores fixed data such as control programs executed by the CPU 101 , data tables, and internal operating system (OS) programs. In Embodiment 1, each control program stored in the ROM 102 perfor...
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It is the objective of the present invention to provide an image forming apparatus that has a plurality of functions, such as a printer function, a scanner function and a facsimile communication function, wherein first bus connection means is compatible with HighSpeed USB and second bus connection means is compatible with FullSpeed USB, and wherein HighSpeed USB communication can be performed with a data processing terminal, such as a personal computer. The image processing apparatus includes two bus connection means having different communication speeds. One of the bus connection means is first bus connection means, connected to the main controller, and the other bus connection means is second bus connection means, for connecting the main controller and a plurality of data processing portions to perform bi-directional communication.
Description
technical field [0001] The present invention relates to an image processing device, an image processing method, and a program. Background technique [0002] In an image processing device that can be connected to an information processing terminal such as a personal computer, it is known to have a USB function connected to an external processing device as a device that can easily realize simultaneous operations of multiple functions such as printers, scanners, and facsimile communication. A component control unit and an image processing device connected to a USB host control unit such as a recording unit inside the composite device (for example, refer to Patent Document 1). [0003] Next, a schematic configuration of an image processing device 900 constituting a conventional image processing system will be described in detail. [0004] Figure 9 It is a block diagram showing a schematic configuration of an image processing device 900 as a conventional example. [0005] In t...
Claims
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IPC IPC(8): B41J29/38G06F3/12G06F13/38H04N1/00H04N1/32
CPCH04N1/32443H04N1/00236H04N2201/0049H04N2201/0025H04N1/32358H04N2201/0041H04N1/32598H04N2201/0094
Inventor 长谷川玲治铃木健
Owner CANON KK