CN102156681A - Mobile terminal and USB interface connection control device thereof - Google Patents
Mobile terminal and USB interface connection control device thereof Download PDFInfo
- Publication number
- CN102156681A CN102156681A CN 201110091443 CN201110091443A CN102156681A CN 102156681 A CN102156681 A CN 102156681A CN 201110091443 CN201110091443 CN 201110091443 CN 201110091443 A CN201110091443 A CN 201110091443A CN 102156681 A CN102156681 A CN 102156681A
- Authority
- CN
- China
- Prior art keywords
- usb
- uatr
- analog switch
- oxide
- type metal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Telephone Function (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a mobile terminal and a USB interface connection control device thereof, wherein the mobile terminal comprises a USB connector, a P-type metal-oxide semiconductor (MOS) tube and an analogue switch; a mark pin US_ID of the USB interface is connected with a TX signal wire for testing universal Asynchronous Transmitter Receiver (UATR); a power supply pin of the USB interface is connected with a RX signal wire for testing the UATR; the source electrode of the P-type MOS tube is respectively connected with the power supply pin of the USB interface and the analogue switch; the grid of the P-type MOS tube is connected with the internal work voltage; the drain electrode is connected with the charging voltage of the USB; the analogue switch is arranged on the RX signal wire; and when the UATR is inserted into the USB connector, the P-type MOS tube is cut off so that the charging voltage of the USB is zero, and the analogue switch conduct the RX single wire of the UATR. The invention fully uses the current USB connector, prevents affecting the other singles of the USB connector when testing the UATR; and the invention is beneficial for production of mobile terminals such as cell phones and the like.
Description
Technical field
The invention belongs to technical field of mobile terminals, relate in particular to a kind of portable terminal and USB interface thereof and connect control device.
Background technology
Universal asynchronous reception/transmission (Universal Asynchronous Receiver/Transmitter, UART) interface is debugged as mobile phone, download indispensable interface, but the user but seldom uses the UART interface in using the mobile phone process, if therefore make the interface of a connector separately to UART, to relatively waste resource, but also can take printed circuit board (Printed Circuit Board, PCB) space, if but do not reserve the interface of a connector to UART, to influence research and development and software download in the mobile phone production run again, especially the software download when producing in enormous quantities.
Prior art generally is with UART and USB (universal serial bus) (Universal Serial BUS, USB) the pin D+ of interface and pin D-common port.The inventor finds that in research process there is shortcoming in the method for above-mentioned shared interface, the pin D+ and the pin D-signal that are USB interface will be affected, because pin D+ and pin D-have strict requirement to impedance on its data line and capacitance-resistance, in case signal is affected on its data line, then signal is easy to generate distortion, will cause the USB function normally not use when serious.
To sum up, how making full use of the prior USB interface, avoid influencing other signal of USB interface when UATR is tested, is one of direction of technical field of mobile terminals research.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of portable terminal and USB interface thereof to connect control device, is intended to make full use of the prior USB interface, avoids influencing other signal of USB interface when UATR is tested.
The embodiment of the invention is achieved in that a kind of USB interface of portable terminal connects control device, comprises USB connector, also comprises a P type metal-oxide-semiconductor and an analog switch, wherein,
The sign pin USB_ID of described USB connector connects the TX signal wire that is used to test UATR, and the power pin of described USB connector connects the RX signal wire that is used to test UATR,
The source electrode of described P type metal-oxide-semiconductor connects power pin and the described analog switch of USB respectively, and the grid of described P type metal-oxide-semiconductor connects internal work voltage, and drain electrode connects the charging voltage of described USB, and described analog switch is arranged on the described RX signal wire;
When described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and made that the charging voltage of described USB is zero, and then made the RX signal wire of the described UATR of described analog switch conducting.
Wherein, described analog switch comprises public input end, often opens output terminal and normally closed output terminal, and the source electrode of described P type metal-oxide-semiconductor connects the public input end of described analog switch.
Wherein, when described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and makes the public input end of described analog switch connect described normally closed output terminal, and then the RX signal wire of the described UATR of conducting.
Wherein, when described USB connector was inserted USB, the conducting of described P type metal-oxide-semiconductor made the public input end of described analog switch connect and describedly often opens output terminal, and then disconnects the RX signal wire of described UATR.
The embodiment of the invention also provides a kind of portable terminal, comprises that a USB connector connects control device, and described device comprises USB connector, and described device also comprises a P type metal-oxide-semiconductor and an analog switch, wherein,
The sign pin USB_ID of described USB connector connects the TX signal wire that is used to test UATR, and the power pin of described USB connector connects the RX signal wire that is used to test UATR,
The source electrode of described P type metal-oxide-semiconductor connects the power pin and the described analog switch of USB connector respectively, and the grid of described P type metal-oxide-semiconductor connects internal work voltage, and drain electrode connects the charging voltage of described USB, and described analog switch is arranged on the described RX signal wire;
When described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and made that the charging voltage of described USB is zero, and then made the RX signal wire of the described UATR of described analog switch conducting.
Wherein, described analog switch comprises public input end, often opens output terminal and normally closed output terminal, and the source electrode of described P type metal-oxide-semiconductor connects the public input end of described analog switch.
Wherein, when described USB interface was inserted UATR, described P type metal-oxide-semiconductor ended, and makes the public input end of described analog switch connect described normally closed output terminal, and then the RX signal wire of the described UATR of conducting.
Wherein, when described USB connector was inserted USB, the conducting of described P type metal-oxide-semiconductor made the public input end of described analog switch connect and describedly often opens output terminal, and then disconnects the RX signal wire of described UATR.
The embodiment of the invention connects the TX signal wire that is used to test UATR by the sign pin USB_ID with USB connector, the power pin of USB connector is connected the RX signal wire that is used to test UATR, and set up a P type metal-oxide-semiconductor and control analog switch, when described USB connector is inserted UATR, described P type metal-oxide-semiconductor ends, make that the charging voltage of described USB is zero, and then make the RX signal wire of the described UATR of described analog switch conducting, do not influence the pin D+ and the pin D-signal of USB connector, the embodiment of the invention makes full use of the prior USB connector, when UATR is tested, avoid influencing other signal of USB interface, be beneficial to the production of portable terminals such as mobile phone.
Description of drawings
Fig. 1 is the embodiment synoptic diagram that the USB interface of portable terminal of the present invention connects control device.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 shows the embodiment synoptic diagram of the USB interface connection control device of portable terminal of the present invention, comprises USB connector CON1, also comprises a P type metal-oxide-semiconductor Q1 and an analog switch M1.
Wherein, among the USB connector CON1, No. 1 pin is USB power pin V_USB, and No. 2 pins are pin D-, and No. 3 pins are pin D+, and No. 4 pin is sign pin USB_ID, and No. 5 pin is a ground pin.
In embodiments of the present invention, sign pin USB_ID connects the TX signal wire that is used to test UATR, and power pin V_USB connects the RX signal wire that is used to test UATR.
See also Fig. 1, the source electrode a of P type metal-oxide-semiconductor Q1 connects the power supply sign pin USB_ID and the analog switch M1 of USB connector respectively, the grid b of P type metal-oxide-semiconductor Q1 connects internal work voltage VDD, drain electrode c connects the charging voltage VCHG_USB of described USB, between P type metal-oxide-semiconductor Q1 and the internal work voltage VDD the 3rd resistance R 3 is set.
See also Fig. 1, analog switch M1 is arranged on the RX signal wire that is used to test UATR.Wherein, described analog switch M1 comprises public input end COM, often opens output terminal NO and normally closed output terminal NC, and the source electrode a of described P type metal-oxide-semiconductor Q1 connects the public input end COM of described analog switch M1.
In specific implementation process, when USB connector CON1 inserted UATR, P type metal-oxide-semiconductor Q1 ended, and made that the charging voltage VCHG_USB of USB is zero, and the public input end COM of analog switch M1 connects normally closed output terminal NC, and then the RX signal wire of conducting UATR.
In specific implementation process, when USB connector CON1 inserts USB, P type metal-oxide-semiconductor Q1 conducting, the public input end COM of analog switch M1 connects the described output terminal NO that often opens, and the RX signal wire of UATR disconnects.
Circuit shown in Figure 1 also comprises divider resistance R1 and divider resistance R2, and the charging voltage VCHG_USB of USB is connected to the control pin IN of analog switch M1 after by divider resistance R1 and divider resistance R2 dividing potential drop.Wherein, analog switch M1 adopts the cell voltage VBAT power supply of portable terminal.
The principle of work of the embodiment of the invention is described below:
When USB connector CON1 inserts the UART Serial Port Line, promptly has only TX, RX signal and ground connection, 2 of USB connector CON1,3 pin are unsettled not to have input signal, the ground connection of UART Serial Port Line is connected to No. 5 pins of USB connector CON1, it is ground pin, and No. 1 pin is connected on the serial ports TX with communication of mobile terminal, TX signal high level amplitude is 2.8V, because of the grid b connection internal work voltage VDD of P type metal-oxide-semiconductor Q1, internal work voltage also is 2.8V voltage, therefore, always more than or equal to the voltage of source electrode a, P type metal-oxide-semiconductor Q1 ends the voltage of grid b.Because of the PMOS pipe ends, the charging voltage VCHG_USB voltage that causes USB is 0V, and then the control pin IN of analog switch M1 is a low level, and the public input end COM of analog switch M1 connects normally closed output terminal, promptly is connected on the URXD of baseband chip of mobile terminal.To sum up, No. 4 pins of USB connector CON1 are connected on the serial ports RX with the computer of communication of mobile terminal, and the mobile terminal baseband side is to be connected on the UTXD of baseband chip.Therefore, plug the UART Serial Port Line after, TX, RX connect normally, the UART serial communication is working properly.
When USB connector CON1 insert be the USB line time, No. 2 pins of USB connector CON1 and No. 3 pins meet data pins D-and the pin D+ of USB respectively, No. 5 pins still are ground, and the power supply of No. 1 pin is 5V, then the source electrode a voltage of P type metal-oxide-semiconductor Q1 is 5V, and grid b voltage is 2.8V, source electrode a voltage is greater than grid b voltage 2.2V, therefore P type metal-oxide-semiconductor Q1 conducting, the charging voltage VCHG_USB of USB also is 5V, then the control pin IN of analog switch M1 is a high level by the level that divider resistance R1 and divider resistance R2 dividing potential drop obtain, output terminal NO is often left in the public input end COM connection of analog switch M1, and it is unsettled often to open output terminal NO, thereby the USB power supply is only being that portable terminal provides power supply by P type metal-oxide-semiconductor Q1.
Obviously, the embodiment of the invention when the UART rs 232 serial interface signal is tested, pin D-of no use and pin D+, thereby can not produce any influence to signal.
The embodiment of the invention also provides a kind of portable terminal, and described terminal comprises that the USB interface that the embodiment of the invention provides connects control device, in view of this installs in above existing detailed description, repeats no more herein.
The embodiment of the invention connects the TX signal wire that is used to test UATR by the sign pin USB_ID with USB connector, the power pin of USB connector is connected the RX signal wire that is used to test UATR, and set up a P type metal-oxide-semiconductor and control analog switch, when described USB connector is inserted UATR, described P type metal-oxide-semiconductor ends, make that the charging voltage of described USB is zero, and then make the RX signal wire of the described UATR of described analog switch conducting, do not influence the pin D+ and the pin D-signal of USB interface, the embodiment of the invention makes full use of the prior USB interface, when UATR is tested, avoid influencing other signal of USB connector, be beneficial to the production of portable terminals such as mobile phone.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the USB interface of a portable terminal connects control device, comprises USB connector, it is characterized in that, also comprises a P type metal-oxide-semiconductor and an analog switch, wherein,
The sign pin USB_ID of described USB connector connects the TX signal wire that is used to test UATR, and the power pin of described USB connector connects the RX signal wire that is used to test UATR,
The source electrode of described P type metal-oxide-semiconductor connects the power pin and the described analog switch of USB connector respectively, and the grid of described P type metal-oxide-semiconductor connects internal work voltage, and drain electrode connects the charging voltage of described USB, and described analog switch is arranged on the described RX signal wire;
When described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and made that the charging voltage of described USB is zero, and then made the RX signal wire of the described UATR of described analog switch conducting.
2. the USB interface of portable terminal as claimed in claim 1 connects control device, it is characterized in that, described analog switch comprises public input end, often opens output terminal and normally closed output terminal, and the source electrode of described P type metal-oxide-semiconductor connects the public input end of described analog switch.
3. the USB interface of portable terminal as claimed in claim 2 connects control device, it is characterized in that when described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, make the public input end of described analog switch connect described normally closed output terminal, and then the RX signal wire of the described UATR of conducting.
4. the USB interface of portable terminal as claimed in claim 2 connects control device, it is characterized in that, when described USB connector is inserted USB, the conducting of described P type metal-oxide-semiconductor, make the public input end of described analog switch connect and describedly often open output terminal, and then disconnect the RX signal wire of described UATR.
5. a portable terminal is characterized in that, comprises that a USB interface connects control device, and described device comprises USB connector, and described device also comprises a P type metal-oxide-semiconductor and an analog switch, wherein,
The sign pin USB_ID of described USB connector connects the TX signal wire that is used to test UATR, and the power pin of described USB connector connects the RX signal wire that is used to test UATR,
The source electrode of described P type metal-oxide-semiconductor connects the power pin and the described analog switch of USB connector respectively, and the grid of described P type metal-oxide-semiconductor connects internal work voltage, and drain electrode connects the charging voltage of described USB, and described analog switch is arranged on the described RX signal wire;
When described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and made that the charging voltage of described USB is zero, and then made the RX signal wire of the described UATR of described analog switch conducting.
6. portable terminal as claimed in claim 5 is characterized in that, described analog switch comprises public input end, often opens output terminal and normally closed output terminal, and the source electrode of described P type metal-oxide-semiconductor connects the public input end of described analog switch.
7. portable terminal as claimed in claim 5 is characterized in that, when described USB connector was inserted UATR, described P type metal-oxide-semiconductor ended, and makes the public input end of described analog switch connect described normally closed output terminal, and then the RX signal wire of the described UATR of conducting.
8. portable terminal as claimed in claim 5 is characterized in that, when described USB connector was inserted USB, the conducting of described P type metal-oxide-semiconductor made the public input end of described analog switch connect and describedly often opens output terminal, and then disconnects the RX signal wire of described UATR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091443 CN102156681B (en) | 2011-04-12 | 2011-04-12 | Mobile terminal and USB interface connection control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091443 CN102156681B (en) | 2011-04-12 | 2011-04-12 | Mobile terminal and USB interface connection control device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102156681A true CN102156681A (en) | 2011-08-17 |
| CN102156681B CN102156681B (en) | 2013-03-13 |
Family
ID=44438185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110091443 Withdrawn - After Issue CN102156681B (en) | 2011-04-12 | 2011-04-12 | Mobile terminal and USB interface connection control device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102156681B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591830A (en) * | 2011-12-19 | 2012-07-18 | 捷开通讯科技(上海)有限公司 | Download system of mobile terminal |
| CN102724339A (en) * | 2012-05-29 | 2012-10-10 | 惠州Tcl移动通信有限公司 | UART serial port and USB interface shared circuit and mobile phone |
| CN102778596A (en) * | 2012-07-09 | 2012-11-14 | 上海斐讯数据通信技术有限公司 | Multifunctional USB (Universal Serial Bus) testing device |
| CN103095467A (en) * | 2011-10-31 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | System controlling switch through outer data line |
| CN103997552A (en) * | 2014-05-22 | 2014-08-20 | 广东欧珀移动通信有限公司 | Mobile phone mobile terminal and control method thereof |
| CN104917880A (en) * | 2015-04-28 | 2015-09-16 | 广东欧珀移动通信有限公司 | Mobile terminal and control method thereof |
| CN109522261A (en) * | 2019-01-11 | 2019-03-26 | 歌尔科技有限公司 | A kind of serial communication circuit and wearable device |
| CN110321310A (en) * | 2019-06-14 | 2019-10-11 | 晶晨半导体(上海)股份有限公司 | A method of realizing that serial ports and USB interface share |
| CN112835831A (en) * | 2019-11-22 | 2021-05-25 | 炬芯科技股份有限公司 | Circuit and electronic equipment for multiplexing USB interface and UART interface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040177207A1 (en) * | 2003-01-21 | 2004-09-09 | Lim Hun Il | USB interface device having a switching function |
| CN101216697A (en) * | 2007-01-06 | 2008-07-09 | 昆达电脑科技(昆山)有限公司 | USB protective circuit and method |
| CN101917497A (en) * | 2010-07-23 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Method and device for earphone and USB to share micro-USB interface |
-
2011
- 2011-04-12 CN CN 201110091443 patent/CN102156681B/en not_active Withdrawn - After Issue
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040177207A1 (en) * | 2003-01-21 | 2004-09-09 | Lim Hun Il | USB interface device having a switching function |
| CN101216697A (en) * | 2007-01-06 | 2008-07-09 | 昆达电脑科技(昆山)有限公司 | USB protective circuit and method |
| CN101917497A (en) * | 2010-07-23 | 2010-12-15 | 惠州Tcl移动通信有限公司 | Method and device for earphone and USB to share micro-USB interface |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095467A (en) * | 2011-10-31 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | System controlling switch through outer data line |
| CN102591830A (en) * | 2011-12-19 | 2012-07-18 | 捷开通讯科技(上海)有限公司 | Download system of mobile terminal |
| CN102591830B (en) * | 2011-12-19 | 2015-08-05 | 捷开通讯科技(上海)有限公司 | Download system of mobile terminal |
| CN102724339A (en) * | 2012-05-29 | 2012-10-10 | 惠州Tcl移动通信有限公司 | UART serial port and USB interface shared circuit and mobile phone |
| CN102778596A (en) * | 2012-07-09 | 2012-11-14 | 上海斐讯数据通信技术有限公司 | Multifunctional USB (Universal Serial Bus) testing device |
| CN103997552A (en) * | 2014-05-22 | 2014-08-20 | 广东欧珀移动通信有限公司 | Mobile phone mobile terminal and control method thereof |
| CN104917880A (en) * | 2015-04-28 | 2015-09-16 | 广东欧珀移动通信有限公司 | Mobile terminal and control method thereof |
| CN104917880B (en) * | 2015-04-28 | 2017-10-20 | 广东欧珀移动通信有限公司 | A kind of mobile terminal and its control method |
| CN109522261A (en) * | 2019-01-11 | 2019-03-26 | 歌尔科技有限公司 | A kind of serial communication circuit and wearable device |
| CN110321310A (en) * | 2019-06-14 | 2019-10-11 | 晶晨半导体(上海)股份有限公司 | A method of realizing that serial ports and USB interface share |
| CN112835831A (en) * | 2019-11-22 | 2021-05-25 | 炬芯科技股份有限公司 | Circuit and electronic equipment for multiplexing USB interface and UART interface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102156681B (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102156681B (en) | Mobile terminal and USB interface connection control device thereof | |
| US8756358B2 (en) | Method and device for identifying universal serial bus (USB) insertion or charger insertion of mobile terminal | |
| CN101102119B (en) | A charging detection circuit of appliance device and charging detection method | |
| CN103208822A (en) | Universal serial bus (USB) charging control circuit | |
| CN101882736B (en) | Data transmission switching device for mobile terminal | |
| CN102724339A (en) | UART serial port and USB interface shared circuit and mobile phone | |
| CN102750252A (en) | Circuit capable of reusing universal serial bus (USB)/ universal asynchronous receiver/ transmitter (UART) interfaces and electronic device using same | |
| CN102064582A (en) | Terminal capable of supplying power for outside | |
| CN103561369A (en) | Usb interface circuit and electronic equipment | |
| CN104239240A (en) | Electronic device with universal serial bus (USB) interface with integration function | |
| CN201323446Y (en) | Static-free handheld mobile device with soft USB function | |
| CN102681963A (en) | Electronic equipment, charging or upgrading processing method thereof and charging or upgrading switching circuit thereof | |
| CN105095137A (en) | Control chip and connection module | |
| CN207115402U (en) | Usb interface circuit | |
| CN104678197A (en) | Test circuit | |
| CN206363306U (en) | A kind of terminal and its serial communication circuit | |
| CN103108081A (en) | Subscriber identity module (SIM) card detection control device of mobile terminal | |
| CN101938156B (en) | Charging circuit for use in the calibration and test of mobile terminal and implementation method thereof | |
| CN204631855U (en) | A kind of data-interface and comprise data line and the equipment of this interface | |
| CN208078678U (en) | Anticorrosion circuit and charger for charging interface | |
| CN204069101U (en) | A kind of communication interface switching device shifter | |
| CN203760209U (en) | MHL cable and MHL cable hot plug detecting system | |
| CN202550224U (en) | USB (universal serial bus) hub with charging function | |
| CN107492934B (en) | Electronic device with power supply circuit | |
| CN104461999A (en) | Circuit for automatically implementing functions of USB (universal serial bus) boot disks and OTG (on-the-go) function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201225 Address after: 224300 No.15, North Third Ring, science and Technology Pioneer Park, Hede Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Jiangsu Sanhao Medical Technology Co.,Ltd. Address before: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Effective date of registration: 20201225 Address after: 510000 No. 106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangzhou shengxia Intellectual Property Operation Co.,Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20231211 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20231211 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |