Computer peripheral device and its operation method
A peripheral device and computer technology, applied in the direction of instrumentation, electrical digital data processing, etc., can solve problems such as restrictions on the use of computer peripheral devices, and achieve the effect of saving production costs
Active Publication Date: 2017-03-01
GIGA BYTE TECH CO LTD
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Problems solved by technology
[0012] In view of the above problems, the present invention is to provide a computer peripheral device and its operating method, thereby solving the problem that the conventional computer peripheral devices with higher USB specifications are not suitable for computer systems with lower USB specifications, so that the computer peripheral devices can be used in Problems with limited use
Method used
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[0039] The computer peripheral device disclosed in the present invention can be a computer peripheral device such as a smart phone, a stereo, a speaker, a walkman, a flash drive, a video player, or a portable netbook (netbook) with a USB connection interface, but it does not use This is the limit.
[0040] Please refer to figure 1 As shown, it is a schematic block diagram of the computer peripheral device 10 according to the first embodiment disclosed in the present invention.
[0041] The computer peripheral device 10 disclosed in the first embodiment of the present invention is suitable for a computer system 20 , and the computer system 20 is electrically configured with at least one system port connection interface 210 . The computer peripheral device 10 can receive power and / or transmit electrical signals by being electrically plugged into the system end connection interface 210 of the computer system 20 .
[0042] The computer peripheral device 10 includes a device-side...
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The invention relates to a computer peripheral device applicable to a computer system with a system-end connecting interface. The computer peripheral device comprises a device-end connecting interface, an impedance unit and a control unit, wherein the device-end connecting interface comprises a power pin and a grounded drain pin; the power pin is electrically connected to a power level of the computer system; a voltage level is formed at the grounded drain pin; the impedance unit is electrically connected to the power pin and the grounded drain pin of the device-end connecting interface respectively; the voltage level of the grounded drain pin is selectively lowered; the control unit is electrically connected to the grounded drain pin of the device-end connecting interface, and the specification of the system-end connecting interface of the computer system is judged according to the voltage level.
Description
[0001] 【Technical field】 [0002] The invention relates to a computer peripheral device and its operation method, in particular to a computer peripheral device with a universal serial bus connection interface and its operation method. [0003] 【Background technique】 [0004] In the current electronic device connection interface (interface), the universal serial bus (universal serial bus, USB) has gradually become an increasingly important specification. USB is not only a bus standard interface for connecting computer systems and computer peripheral devices, but also An input and output interface technical specification, which is widely used in various information and communication products such as personal computers and portable electronic devices, and has been extended to applications in related fields such as home appliances, multimedia, and game machines. [0005] The USB interface is not only small in size, but also suitable for various types of electronic devices. In addit...
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IPC IPC(8): G06F13/38
Inventor 林子杰
Owner GIGA BYTE TECH CO LTD