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Power supply apparatus, power receiving apparatus, power supply system, and power supply method

A technology for power supply equipment and power reception, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as incompatibility of AC adapters, increase in the number of AC adapters, disadvantages, etc., and achieve cost reduction, maintenance improvement, and maintenance improvement. Effect

Inactive Publication Date: 2010-11-17
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the standard of an AC adapter for outputting power adapted to each device will be different for each device, which leads to an unfavorable increase in the number of AC adapters for an increased number of devices
Even similarly shaped AC adapters may not be compatible with each other

Method used

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  • Power supply apparatus, power receiving apparatus, power supply system, and power supply method
  • Power supply apparatus, power receiving apparatus, power supply system, and power supply method
  • Power supply apparatus, power receiving apparatus, power supply system, and power supply method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0029] 1-1. Configuration of power supply system

[0030] 1-2. Example of voltage output

[0031] 1-3. Configuration of overlapping voltage on the bus

[0032] 1-4. Client configuration

[0033] 2. The second embodiment

no. 4 example

[0036] 5. Power supply process through the power supply system

[0037] 6 Conclusion

[0038] 1. The first embodiment

[0039] 1-1. Configuration of power supply system

[0040] First, the configuration of the power supply system according to the first embodiment of the present invention will be described. figure 1 is a diagram showing the configuration of the power supply system 1 according to the first embodiment of the present invention. Now, will refer to figure 1 The configuration of the power supply system 1 according to the first embodiment of the present invention is described below.

[0041] Such as figure 1 As shown in , the power supply system 1 according to the embodiment of the present invention includes a power server 100 and a client 200 . The power server 100 and the client 200 are connected to each other through the bus 10 .

[0042] The power server 100 provides direct current to the client 200 . Furthermore, the power server 100 sends / receives inform...

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Abstract

A power supply apparatus is provided which includes a direct-current power source connected to a bus line on which an information signal representing information is superposed upon direct-current power including first direct-current power and second direct-current power, the direct-current power source arranged to always output to the bus line the second direct-current power of a positive voltage, the second direct-current power being superposed, on the bus line, upon the first direct-current power output for a predetermined first period. The voltage of the second direct-current power is lower than the minimum voltage of the first direct-current power.

Description

technical field [0001] The present invention relates to a power supply device, a power receiving device, a power supply system and a power supply method. Background technique [0002] Many electronic devices, such as personal computers and game consoles, use alternating current (AC) adapters for their operation and for charging their batteries. AC power is input to the AC adapter from a commercial power source, and then power adapted to the device is output from the AC adapter. Common electronic devices operate by direct current (DC), where the voltage and / or current of each device can be different from each other. Thus, the standard of an AC adapter for outputting power adapted to each device will be different for each device, which leads to an disadvantageous increase in the number of AC adapters for an increased number of devices. Even AC adapters of similar shape may not be compatible with each other. [0003] Aiming at such shortcomings, a power bus system has been p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/10H02J9/04
CPCH02J1/108H04L12/10H04L12/12H04L12/40045Y02B60/34Y02D30/50
Inventor 田岛茂
Owner SONY CORP
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