TW201614417A - Electronic device capable of turning off built-in USB hub to lower electric power consumption - Google Patents

Electronic device capable of turning off built-in USB hub to lower electric power consumption

Info

Publication number
TW201614417A
TW201614417A TW103135662A TW103135662A TW201614417A TW 201614417 A TW201614417 A TW 201614417A TW 103135662 A TW103135662 A TW 103135662A TW 103135662 A TW103135662 A TW 103135662A TW 201614417 A TW201614417 A TW 201614417A
Authority
TW
Taiwan
Prior art keywords
electric power
usb hub
electronic device
built
turning
Prior art date
Application number
TW103135662A
Other languages
Chinese (zh)
Other versions
TWI536160B (en
Inventor
Chih-An Wang
Chun-Sheng Wang
Original Assignee
Darfon Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Darfon Electronics Corp filed Critical Darfon Electronics Corp
Priority to TW103135662A priority Critical patent/TWI536160B/en
Publication of TW201614417A publication Critical patent/TW201614417A/en
Application granted granted Critical
Publication of TWI536160B publication Critical patent/TWI536160B/en

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Power Sources (AREA)

Abstract

An electronic device capable of turning off a built-in USB hub to lower electric power consumption is provided. The electronic device comprises (1) a main function module, and (2) a connector for connecting an external USB device. When no external USB device is coupled to the connector, no electric power is supplied to the USB hub, and the main function module communicates with the host device through a bypass path. When an external USB device is coupled to the connector, the electric power supplied to the USB hub is restored, and the main function module and the external USB device both communicate with the host device through the activated USB hub.
TW103135662A 2014-10-15 2014-10-15 Electronic Device Capable of Turning off Built-In USB Hub to Lower Electric Power Consumption TWI536160B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW103135662A TWI536160B (en) 2014-10-15 2014-10-15 Electronic Device Capable of Turning off Built-In USB Hub to Lower Electric Power Consumption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW103135662A TWI536160B (en) 2014-10-15 2014-10-15 Electronic Device Capable of Turning off Built-In USB Hub to Lower Electric Power Consumption

Publications (2)

Publication Number Publication Date
TW201614417A true TW201614417A (en) 2016-04-16
TWI536160B TWI536160B (en) 2016-06-01

Family

ID=56361211

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103135662A TWI536160B (en) 2014-10-15 2014-10-15 Electronic Device Capable of Turning off Built-In USB Hub to Lower Electric Power Consumption

Country Status (1)

Country Link
TW (1) TWI536160B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110188060A (en) * 2019-06-06 2019-08-30 苏州佳世达电通有限公司 Mode switching system and the mode switching method for applying it
TWI707236B (en) * 2019-05-31 2020-10-11 佳世達科技股份有限公司 Mode switching system and mode switching method using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI707236B (en) * 2019-05-31 2020-10-11 佳世達科技股份有限公司 Mode switching system and mode switching method using the same
US11113221B2 (en) 2019-05-31 2021-09-07 Qisda Corporation Mode switching system and mode switching method using the same
CN110188060A (en) * 2019-06-06 2019-08-30 苏州佳世达电通有限公司 Mode switching system and the mode switching method for applying it

Also Published As

Publication number Publication date
TWI536160B (en) 2016-06-01

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