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Multifunction peripheral

A technology of multi-functional equipment and functions, applied in the direction of image communication, electrical components, instruments, etc., can solve the problems of interference control, difficulty in quickly executing required control, data transmission interference control, etc.

Inactive Publication Date: 2011-04-13
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when a large amount of data is transferred, the data transfer interferes with the control, making it difficult to quickly perform the desired control
[0011] Thus, even if the conventional techniques described above can reduce the number of required endpoints, multifunction peripherals are less user-friendly and may interfere with proper control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0045] Structure of the device control system

[0046] figure 1 is a block diagram showing the overall configuration of the device control system according to the first embodiment of the present invention.

[0047] The device control system includes a multifunction peripheral 11 and a personal computer (PC) 12 . Both the multifunction peripheral 11 and the PC 12 have USB interfaces and are connected to each other via a USB hub 13 so that data can be exchanged therebetween. For example, another USB device 14 is also connected to the USB hub 13 . The multifunction peripheral 11 has a CPU 11a. The PC 12 has a CPU 12a.

[0048] In the present embodiment, the multifunction peripheral 11 is a device having multiple functions including a printer function, a scanner function, a PC facsimile function, and a card reader function. These functions can be controlled from the PC 12 .

[0049] Internal Structure of Multifunction Peripherals

[0050] FIG. 2 is a block diagram showing t...

no. 3 example

[0273] In the third embodiment of the present invention, the internal structure of the PC is different from that described in the first embodiment. Next, the internal structure of a PC according to the third embodiment will be described.

[0274] PC internal structure

[0275] FIG. 20 is a block diagram showing the internal structure of the PC 32 according to the third embodiment. The PC 12 according to the first embodiment described above loads the removable disk drive 223 when the multifunction peripheral 11 returns a response of "removable disk" for the LUN1 logical unit. However, the PC 32 according to the third embodiment differs from the first embodiment in this point.

[0276] Specifically, in the third embodiment, the multifunction peripheral 11 returns a response "CD-ROM" for the LUN1 logical unit. When receiving this response, the PC 32 loads the CD-ROM drive 225 instead of the removable disk drive 223 . PC 32 links LUN1 logical unit to file system 235 . As a re...

no. 4 example

[0290] In the fourth embodiment of the present invention, the internal structure of the PC is different from those in the first and third embodiments. Therefore, the internal structure of the PC according to the fourth embodiment will be described below.

[0291] PC internal structure

[0292] FIG. 21 is a block diagram showing the internal structure of a PC 42 according to the fourth embodiment. In the fourth embodiment, the multifunction peripheral 11 returns a response "hard disk" for the LUN1 logical unit. When receiving this response, the PC 42 loads the hard disk drive 227 instead of the removable disk drive 223 .

[0293] Further, when the multifunction peripheral 11 receives a response request about the logical unit of LUN1 from the PC 42 , the multifunction peripheral 11 emulates a response "the hard disk is not partitioned". With this configuration, the OS of the PC 42 can recognize the logical unit LUN1 provided in the multifunction peripheral 11 as a device equi...

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PUM

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Abstract

A multifunction device has a plurality of functions and capable of being connected to a computer via a universal serial bus (USB) interface, the computer having an operating system (OS) installed thereon that recognizes the multifunction device as a device having at least one logic unit capable of transferring data according to a USB-compliant system, at least one of the at least one logic unit being a compound logic unit corresponding to two or more specific functions among the plurality of functions. The multifunction device includes: a controlling unit that, when the computer has transferred output data with an actual data section to the compound logic unit, determines which one of the two or more specific functions the transferred output data is for controlling, based on unique standard data included in the actual data section, and that controls the determined function based on the output data, the controlling unit storing unique standard data in an actual data section of input data to be transferred to the computer as a result of controlling the function, the unique standard data indicating from which one of the two or more specific functions the input data is to be transferred, and transferring the input data to the computer as data from the compound logic unit.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Japanese Patent Application No. 2007-84773 filed on March 28, 2007. The entire content of this priority application is hereby incorporated by reference. technical field [0003] The invention relates to a multifunctional peripheral device and a device control system. Background technique [0004] Multifunctional peripherals capable of being connected to computers and the like via a USB (Universal Serial Bus) interface have been commercially produced. The construction of such multifunction peripherals is known in the art to include endpoints for transferring data to multiple functions. [0005] However, as the number of functions increases, the number of endpoints also increases, making the hardware configuration expensive, thereby increasing the manufacturing cost of the multifunction peripheral. Therefore, this configuration presents difficulties in providing a low-cost multifu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/32H04N1/00G06F13/10
CPCH04N2201/0049H04N1/00204G06F13/387H04N2201/0094
Inventor 宇野文敏
Owner BROTHER KOGYO KK