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Peripheral device

A peripheral equipment and interface technology, applied to the layout of structural components in carrier equipment, instruments, electrical digital data processing, etc.

Inactive Publication Date: 2012-04-25
BUFFALO CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the action of pulling out and plugging in the cable is a cumbersome action for the user, so it is best not to force the user to pull out and plug in the cable.

Method used

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Experimental program
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Embodiment approach

[0024] figure 1 It is a diagram showing a schematic configuration of a peripheral device according to an embodiment of the present invention. For the convenience of explanation, figure 1 A state in which the peripheral device 100 and the host 200 are physically connected by a cable 300 (also referred to as a USB cable 300) is shown in FIG. The peripheral device 100 of this embodiment is an external storage device 100 of an external type. Also, the host computer 200 is a personal computer (hereinafter referred to as PC) 200 .

[0025] The external storage device 100 includes a main controller 20 , a hard disk drive (hereinafter also referred to as “HDD (Hard Disk Drive)”) 60 , a USB port 70 , and a delay processing unit 65 .

[0026] The USB port 70 has a shape conforming to the USB3.0 specification, and can selectively connect a male connector conforming to the USB2.0 specification or a male connector conforming to the USB3.0 specification. Specifically, the USB port 70 is...

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Abstract

Provided is a peripheral device including: a connection portion capable of selectively connecting to multiple types of connectors corresponding to multiple types of interfaces, the connection portion including a power terminal for receiving a supply of power from a host device via a connector; a control section for initiating, upon receiving a supply of power, a connection process to form a logical connection with the host device by using any one of the multiple types interfaces; a power line connecting the control section and the terminal; and a delay process section for delaying supply of power to the control section having started by the connector being connected to the connection portion, for a predetermined time, the delay process section being disposed along the power line.

Description

technical field [0001] The invention relates to a peripheral device for data communication with a host. Background technique [0002] Hosts such as personal computers and peripheral devices such as external storage devices are connected through various interfaces to perform data communication. As such an interface, for example, a USB (Universal Serial Bus) interface is known (for example, refer to JP-A-2009-289124). As the USB interface, in addition to an interface conforming to the USB2.0 specification (hereinafter referred to as the USB2.0 interface), an interface conforming to the USB3.0 specification (hereinafter referred to as the USB3.0 interface) has become popular in recent years. [0003] Between USB2.0 and USB3.0, the communication method (half-duplex communication, full-duplex communication) and the number of signal lines and other specifications related to data communication are different from each other. Therefore, the maximum data transmission speed of the US...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38
CPCG11B33/12G06F1/266G06F2213/0038
Inventor 石井俊伊藤司加藤贤治
Owner BUFFALO CORP LTD
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