Peripheral device and its control method its main body device and its control method and its program

A technology of peripheral equipment and main body, applied in measurement devices, liquid/fluid solids measurement, sustainable buildings, etc., can solve problems such as power control difficulties
CN1871573AInactive Publication Date: 2006-11-29SK HYNIX INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SK HYNIX INC
Publication Date
2006-11-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

A peripheral device receiving a command and power from a body device, wherein the power consumption can be reduced while maintaining a required function. The peripheral device comprises a functional unit that functions according to a command from the body device; a power control unit that controls the power consumption of the functional unit; a power profile information memory in which a power profile information list containing one or more pieces of power profile information is stored; and an interface unit that sends and receives the power profile information and a command about the functional unit to and from the body device. The interface unit sends the power profile information list to the body device in response to a request from the body device, and the power control unit controls the power consumption of the functional unit according to information selected from the power profile information received from the body device.
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Description

technical field

[0001] The present invention relates to a peripheral device inputting commands from a main device and supplying power from the main device, a control method thereof, a main device thereof, a control method thereof, and a program thereof. Background technique

[0002] In recent years, with the popularization of portable information devices such as digital cameras and PDAs, not only personal computers but also portable information devices such as digital cameras and PDAs can share small peripheral devices.

[0003] The main body device and peripheral devices of Conventional Example 1 are disclosed in Japanese Patent Application Laid-Open No. 62-217314. use Figure 9 , the main device and peripheral devices of Conventional Example 1 will be described.

[0004] Figure 9 It is a block diagram showing the configuration of a main device having an I / O slot for connecting peripheral devices of Conventional Example 1. exist Figure 9 Among them, 901 is the main devi...

Claims

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