CN204013525U - A kind of radio-frequency unit - Google Patents
A kind of radio-frequency unit Download PDFInfo
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- CN204013525U CN204013525U CN201420393617.XU CN201420393617U CN204013525U CN 204013525 U CN204013525 U CN 204013525U CN 201420393617 U CN201420393617 U CN 201420393617U CN 204013525 U CN204013525 U CN 204013525U
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
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Abstract
The utility model discloses a kind of radio-frequency unit.The utility model radio-frequency unit comprises radio frequency chip, the first antenna switch module, high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module; Radio frequency chip judges that the frequency of signal to be sent under current communication standard belongs to high band, Mid Frequency or low-frequency range, and described signal to be sent is sent to transport module corresponding in high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module according to judged result, and the signal that receives this transport module transmission; Described the first antenna switch module sends the signal to be sent in the transport module of described correspondence by the first antenna, and by described the first antenna receiving signal, and by this transport module, the signal receiving is transferred to described radio frequency chip; Device of the present utility model has solved difficulty and the higher technical problem of complexity of conventional radio frequency Front-end Design.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of radio-frequency unit.
Background technology
Present stage, the framework along with wireless communication system became increasingly complex, and the frequency range that requirement is supported and standard are also more and more, all wished to adopt a hardware carrier can realize the demand of globalization.Different due to frequency range and standard, can need huge radio-frequency front-end to realize so many frequency range and standard demand, can bring huge difficulty to designer, has also increased greatly the complexity of system simultaneously.As shown in Figure 1, traditional radio-frequency front-end is being realized under the standard of FDD (Frequency Division Duplexing (FDD)), and the corresponding duplexer of frequency range, in order to meet the requirement of multiple frequency range, can increase a large amount of duplexers, makes suitable numerous and diverse of radio-frequency front-end; Meanwhile, TDD (time division duplex) also exists some frequency ranges and FDD to share, and in order to distinguish TDD and FDD, circuit that originally can be shared just must separately be realized TDD and FDD by external switch.So difficulty and the complexity of conventional radio frequency Front-end Design are higher.
Utility model content
The main technical problems to be solved in the utility model is, a kind of radio-frequency unit is provided, and can solve difficulty and the higher technical problem of complexity of conventional radio frequency Front-end Design.
For solving the problems of the technologies described above, the utility model provides a kind of radio-frequency unit, comprising: radio frequency chip, the first antenna switch module, high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module;
Described radio frequency chip judges that the frequency of signal to be sent under current communication standard belongs to high band, Mid Frequency or low-frequency range, and described signal to be sent is sent to transport module corresponding in described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module according to judged result, and the signal that receives this transport module transmission;
Described the first antenna switch module sends the signal to be sent in the transport module of described correspondence by the first antenna, and by described the first antenna receiving signal, and by this transport module, the signal receiving is transferred to described radio frequency chip.
Further, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module include: for the isolated transmission module of isolation signals transmitting-receiving and support wide-band;
Described radio frequency chip sends to described signal to be sent according to judged result the isolated transmission module in the transport module of described correspondence;
Described the first antenna switch module sends the signal to be sent in this isolated transmission module by described the first antenna, and by described the first antenna receiving signal, by this isolated transmission module, the signal receiving is transferred to described radio frequency chip.
Further, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module all also comprise: power amplifier module;
The signal described to be sent that described power amplifier module in the transport module of described correspondence sends described radio frequency chip carries out power amplification processing, and the signal described to be sent after processing is transferred to the described isolated transmission module in this transport module.
Further, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module all also comprise the first filtration module;
The signal that the signal that described the first filtration module in the transport module of described correspondence receives described the first antenna switch module in described isolated transmission module receives described the first antenna switch module before being transferred to described radio frequency chip carries out filtering processing.
Further, described the first filtration module comprises filter module.
Further, described isolated transmission module comprises circulator.
Further, described current communication standard comprises: TDD standard and/or FDD standard.
Further, described radio-frequency unit also comprises: the second antenna switch module, high frequency band signal circuit, Mid Frequency signal line and low-band signal circuit; Described the second antenna switch module passes through the second antenna receiving signal, and is transferred to described radio frequency chip by signal line corresponding in described high frequency band signal circuit, described Mid Frequency signal line and described low-band signal circuit.
Further, described high frequency band signal circuit, intermediate-freuqncy signal section circuit and low-band signal circuit are equipped with the second filtration module, described the second filtration module carries out filtering processing to the signal of described second switch module transmission, and the signal after filtering is processed is transferred to described radio frequency chip.
Further, described high frequency band signal transport module is supported the frequency range 750M-950M of signal transmission, described Mid Frequency signal transmission module supports that the frequency range of signal transmission is 1.7G-2.2G, and described low-band signal transport module supports that the frequency range of signal transmission is 2.3G-2.7G.
The beneficial effects of the utility model are:
The utility model provides a kind of radio-frequency unit, simple in structure, simplified radio-frequency front-end, and it is convenient to realize, and has solved difficulty and the higher technical problem of complexity of conventional radio frequency Front-end Design.Radio-frequency unit of the present utility model comprises: radio frequency chip, the first antenna switch module, high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module; Described radio frequency chip judges that the frequency of signal to be sent under current communication standard belongs to high band, Mid Frequency or low-frequency range, and described signal to be sent is sent to transport module corresponding in described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module according to judged result, and the signal that receives this transport module transmission; Described the first antenna switch module sends the signal to be sent in the transport module of described correspondence by the first antenna, and by described the first antenna receiving signal, and by this transport module, the signal receiving is transferred to described radio frequency chip; The utility model radio-frequency unit is divided into high, medium and low frequency range by the frequency range in communication system, and the high, medium and low frequency band signals transport module of corresponding employing carrys out signal transmission, compared with prior art, simplified the design of radio-frequency front-end, the difficulty of radio-frequency front-end design and the difficulty of PCB cabling have been reduced, meet the demand of different frequency range and different systems, be conducive to the miniaturized design of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing radio-frequency front-end design;
The structural representation of the first radio-frequency unit that Fig. 2 provides for the utility model embodiment;
The structural representation of the second radio-frequency unit that Fig. 3 provides for the utility model embodiment;
The structural representation of the first radio system that Fig. 4 provides for the utility model embodiment;
The structural representation of the third radio-frequency unit that Fig. 5 provides for the utility model embodiment;
The structural representation of the 4th kind of radio-frequency unit that Fig. 6 provides for the utility model embodiment;
The structural representation of the 5th kind of radio-frequency unit that Fig. 7 provides for the utility model embodiment;
The structural representation of the second radio system that Fig. 8 provides for the utility model embodiment;
The structural representation of the third radio system that Fig. 9 provides for the utility model embodiment.
Embodiment
Below by embodiment, by reference to the accompanying drawings the utility model is described in further detail.
Consider design comparison complexity and the higher problem of difficulty of conventional radio frequency front end, the present embodiment provides a kind of radio-frequency unit, be applicable to the signal transmission (for example FDD) under multi-modulation scheme, as shown in Figure 2, this radio-frequency unit comprises: radio frequency chip, the first antenna switch module, high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module;
Described radio frequency chip judges that the frequency of signal to be sent under current communication standard belongs to high band, Mid Frequency or low-frequency range, and described signal to be sent is sent to transport module corresponding in described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module according to judged result, and the signal that receives this transport module transmission;
Described the first antenna switch module sends the signal to be sent in the transport module of described correspondence by the first antenna, and by described the first antenna receiving signal, and by this transport module, the signal receiving is transferred to described radio frequency chip.
In the present embodiment radio-frequency unit, first radio frequency chip judges which frequency range is the frequency of signal to be sent belong to, then signal to be sent is sent to the transport module of corresponding frequency band signal, then by the first antenna, send, and by the transport module of corresponding frequency band signal, the signal of the first antenna reception is transferred to radio frequency chip; Said process is realized the data communication under current communication standard; In the present embodiment radio-frequency unit, the realization simple in structure of radio-frequency front-end conveniently, compared with prior art, has reduced the difficulty of radio-frequency front-end design and the difficulty of PCB cabling, has met the demand of different frequency range and different systems, is conducive to the miniaturized design of product.
The transport module that in the present embodiment, the first switch module can be connected by software control, for example, when the frequency of signal to be sent belongs to high band, control the first switch module and connect high frequency band signal transport module; In like manner, in the frequency of signal to be sent belongs to, also adopt similar control during low-frequency range.
In the present embodiment, the frequency range in existing communication system can be divided into three frequency ranges (comprising the frequency range under FDD, TDD standard) L (750M-950M), M (1.7G-2.2G), H (2.3G-2.7G), i.e. high, medium and low three frequency ranges; Corresponding high frequency band signal transport module is supported the signal transmission of frequency in 750M-950M, in like manner in, low-band signal transport module supports respectively the signal transmission of frequency in 1.7G-2.2G, 2.3G-2.7G.The present embodiment radio-frequency unit can distribute the port of radio frequency chip by software according to band characteristic, H, and M, L is responsible for a port separately.
In high, medium and low three frequency ranges, comprise multiple frequency sub-band, consider the support of frequency range and the in the situation that of common transmit-receive common antenna receiving and transmitting signal mutually reveal and (transmit and send in RX path, receiving signal is sent in transmit path), as shown in Figure 3, in the present embodiment high, medium and low frequency band signals transport module by receiving and dispatching for isolation signals and supporting the isolated transmission module of wide-band to realize.As shown in Figure 3, described radio frequency chip sends to the isolated transmission module in transport module corresponding in high, normal, basic frequency band signals transmission mode according to judged result by described signal to be sent; Described the first antenna switch module sends the signal to be sent in this isolated transmission module by described the first antenna, and by described the first antenna receiving signal, then by this isolated transmission module, the signal receiving is transferred to described radio frequency chip.
Preferentially, in the present embodiment, isolated transmission module is circulator.As shown in Figure 4, high, normal, basic frequency band signals transport module consists of circulator; Wherein the port one of circulator is received the transmit port of radio frequency chip, receives signal to be sent, and port 2 is connected with the first antenna switch module, and the port 3 of circulator is received the receiving port of radio frequency chip.When in the present embodiment, isolated transmission module is circulator, because circulator has good receiving and transmitting signal isolation effect, high, medium and low frequency band signals transport module can transmit the signal under TDD standard.Now, high, medium and low frequency band signals transport module can be suitable for FDD and/or TDD standard under signal transmission, the signal transmission under two standards shares high, medium and low frequency band signals transport module; Radio-frequency front-end need to further not simplified the design of radio-frequency front-end for TDD standard high, medium and low frequency band signals transport module is set, and meets the demand of TDD and FDD simultaneously.
Consider transmission quality and the distance of signal, the present embodiment radio-frequency unit can arrange power amplifier module and treat transmitted signal and carry out sending after power amplification; Particularly, as shown in Figure 5, on the basis of Fig. 3, the transport module of high frequency band signal described in the present embodiment, described Mid Frequency signal transmission module and described low-band signal transport module all also comprise: power amplifier module; The signal described to be sent that power amplifier module described in the transport module of above-mentioned correspondence sends described radio frequency chip carries out power amplification processing, and the signal described to be sent after processing is transferred to isolated transmission module described in this transport module.For example judge that current demand signal frequency belongs to Mid Frequency, so radio frequency chip is transferred to Mid Frequency signal transmission module by signal to be sent, power amplifier module in Mid Frequency signal transmission module is treated transmitted signal and is carried out being transferred to the isolated transmission module in this transport module after power amplification processing, and the first antenna switch module sends the signal to be sent in this isolated transmission module by the first antenna.
Consider to receive in signal to have interference signal, the present embodiment radio-frequency unit can also arrange filtration module the signal receiving is carried out to filtering.As shown in Figure 6, on the basis of Fig. 5, in the present embodiment radio-frequency unit, high, medium and low frequency band signals transport module all also comprises the first filtration module, and the signal that the signal that described the first filtration module in the transport module of above-mentioned correspondence receives described the first antenna switch module in isolated transmission module receives described the first antenna switch module before being transferred to described radio frequency chip carries out filtering processing.For example, when corresponding transport module is low-band signal transport module, isolated transmission module in this transport module sends to the first filtration module in this transport module by the signal receiving, and this first filtration module carries out sending to radio frequency chip after filtering processing to the received signal.
Preferentially, in the present embodiment, the first filtration module comprises filter module (SAW module).
For the signal that makes the present embodiment radio-frequency unit be applicable to many antennas receives, as shown in Figure 7, on the basis of above-mentioned radio-frequency unit, the present embodiment radio-frequency unit can also comprise the second antenna switch module, high frequency band signal circuit, Mid Frequency signal line and low-band signal circuit; Described the second antenna switch module passes through the second antenna receiving signal, and is transferred to described radio frequency chip by described high frequency band signal circuit, described Mid Frequency signal line and described low-band signal circuit.
As shown in Figure 8, on Fig. 6 basis, in the present embodiment, radio-frequency unit can also comprise the second antenna switch module, high frequency band signal circuit (RXB H), Mid Frequency signal line (RXB M) and low-band signal circuit (RXB L); Described the second antenna switch module passes through the second antenna receiving signal (Div ANT), and is transferred to described radio frequency chip by signal line corresponding in described high frequency band signal circuit, described Mid Frequency signal line and described low-band signal circuit; The high, normal, basic frequency band signals transport module consisting of circulator, SAW module, power amplifier in Fig. 8, the first antenna switch module is by main antenna (Main ANT) receiving and transmitting signal.
Should be understood that, although the present embodiment radio-frequency unit has only been introduced the signal reception condition of two antennas, but the present embodiment radio-frequency unit can also be applicable to the reception condition of a plurality of antennas, only need corresponding increase switch module and high, normal, basic frequency band signals circuit.
Preferentially, consider in the signal receiving and have interference signal, on the basis of above-mentioned radio-frequency unit, the present embodiment can also be equipped with the second filtration module at described high frequency band signal circuit, intermediate-freuqncy signal frequency range circuit and low-band signal circuit, described the second filtration module carries out filtering processing to the signal of described second switch module transmission, and the signal after filtering is processed is transferred to described radio frequency chip; Preferentially in the present embodiment, the second filtration module can filter module (SAW module).As shown in Figure 9, on the basis of Fig. 8, the present embodiment radio-frequency unit is provided with SAW module on high, normal, basic frequency band signals transmission line, is also provided with SAW module in high, normal, basic signal transmission module.
The signal frequency range that the high, normal, basic frequency range circuit of the present embodiment is supported is identical with above-mentioned high, normal, basic band transmissions module.
Above content is in conjunction with concrete execution mode further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a radio-frequency unit, is characterized in that, comprising: radio frequency chip, the first antenna switch module, high frequency band signal transport module, Mid Frequency signal transmission module and low-band signal transport module;
Described radio frequency chip judges that the frequency of signal to be sent under current communication standard belongs to high band, Mid Frequency or low-frequency range, and described signal to be sent is sent to transport module corresponding in described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module according to judged result, and the signal that receives this transport module transmission;
Described the first antenna switch module sends the signal to be sent in the transport module of described correspondence by the first antenna, and by described the first antenna receiving signal, and by this transport module, the signal receiving is transferred to described radio frequency chip.
2. radio-frequency unit as claimed in claim 1, it is characterized in that, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module include: for the isolated transmission module of isolation signals transmitting-receiving and support wide-band;
Described radio frequency chip sends to described signal to be sent according to judged result the isolated transmission module in the transport module of described correspondence;
Described the first antenna switch module sends the signal to be sent in this isolated transmission module by described the first antenna, and by described the first antenna receiving signal, by this isolated transmission module, the signal receiving is transferred to described radio frequency chip.
3. radio-frequency unit as claimed in claim 2, is characterized in that, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module all also comprise: power amplifier module;
The signal described to be sent that described power amplifier module in the transport module of described correspondence sends described radio frequency chip carries out power amplification processing, and the signal described to be sent after processing is transferred to the described isolated transmission module in this transport module.
4. radio-frequency unit as claimed in claim 3, is characterized in that, described high frequency band signal transport module, described Mid Frequency signal transmission module and described low-band signal transport module all also comprise the first filtration module;
The signal that the signal that described the first filtration module in the transport module of described correspondence receives described the first antenna switch module in described isolated transmission module receives described the first antenna switch module before being transferred to described radio frequency chip carries out filtering processing.
5. radio-frequency unit as claimed in claim 4, is characterized in that, described the first filtration module comprises filter module.
6. the radio-frequency unit as described in claim 2-5 any one, is characterized in that, described isolated transmission module comprises circulator.
7. radio-frequency unit as claimed in claim 6, is characterized in that, described current communication standard comprises: TDD standard and/or FDD standard.
8. the radio-frequency unit as described in claim 1-5 any one, is characterized in that, also comprises: the second antenna switch module, high frequency band signal circuit, Mid Frequency signal line and low-band signal circuit; Described the second antenna switch module passes through the second antenna receiving signal, and is transferred to described radio frequency chip by signal line corresponding in described high frequency band signal circuit, described Mid Frequency signal line and described low-band signal circuit.
9. radio-frequency unit as claimed in claim 8, it is characterized in that, described high frequency band signal circuit, intermediate-freuqncy signal section circuit and low-band signal circuit are equipped with the second filtration module, described the second filtration module carries out filtering processing to the signal of described second switch module transmission, and the signal after filtering is processed is transferred to described radio frequency chip.
10. the radio-frequency unit as described in claim 1-5 any one, it is characterized in that, described high frequency band signal transport module is supported the frequency range 750M-950M of signal transmission, described Mid Frequency signal transmission module supports that the frequency range of signal transmission is 1.7G-2.2G, and described low-band signal transport module supports that the frequency range of signal transmission is 2.3G-2.7G.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393617.XU CN204013525U (en) | 2014-07-16 | 2014-07-16 | A kind of radio-frequency unit |
| PCT/CN2014/090396 WO2015117433A1 (en) | 2014-07-16 | 2014-11-05 | Radio frequency apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393617.XU CN204013525U (en) | 2014-07-16 | 2014-07-16 | A kind of radio-frequency unit |
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| CN204013525U true CN204013525U (en) | 2014-12-10 |
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| CN201420393617.XU Active CN204013525U (en) | 2014-07-16 | 2014-07-16 | A kind of radio-frequency unit |
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| CN (1) | CN204013525U (en) |
| WO (1) | WO2015117433A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330248A (en) * | 2016-09-18 | 2017-01-11 | 深圳铂睿智恒科技有限公司 | Radio frequency system enhancing 2G/3G sensitivity |
| CN107404332A (en) * | 2017-07-25 | 2017-11-28 | 广东欧珀移动通信有限公司 | Radio circuit, antenna assembly and electronic equipment |
| WO2018205174A1 (en) * | 2017-05-10 | 2018-11-15 | 广东欧珀移动通信有限公司 | Radio frequency circuit, antenna device, and electronic device |
| CN110912576A (en) * | 2019-11-22 | 2020-03-24 | 维沃移动通信有限公司 | Radio frequency structure and communication terminal |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2538886B (en) * | 2014-04-22 | 2017-10-04 | Skyworks Solutions Inc | Apparatus and methods for multi-band radio frequency signal routing |
| GB2527186B (en) * | 2014-04-22 | 2017-10-04 | Skyworks Solutions Inc | Apparatus and methods for multi-band radio frequency signal routing |
| US9602156B2 (en) | 2014-04-22 | 2017-03-21 | Skyworks Solutions, Inc. | Apparatus and methods for diversity modules |
| US10659121B2 (en) | 2017-03-15 | 2020-05-19 | Skyworks Solutions, Inc. | Apparatus and methods for radio frequency front-ends |
| CN114073013A (en) * | 2019-12-31 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Monitoring device, wireless communication device and control method thereof |
| CN117254829A (en) * | 2023-08-10 | 2023-12-19 | 北京唯得科技有限公司 | Low-loss high-isolation automatic frequency selection device, method and communication equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8718582B2 (en) * | 2008-02-08 | 2014-05-06 | Qualcomm Incorporated | Multi-mode power amplifiers |
| CN101316095B (en) * | 2008-07-01 | 2011-01-26 | 武汉芯泰科技有限公司 | Gain-controllable wide-band low-noise amplifier |
| CN102156512A (en) * | 2011-04-08 | 2011-08-17 | 张应刚 | Computer system for preventing electromagnetic leakage related interference and liquid crystal display installed with the same |
-
2014
- 2014-07-16 CN CN201420393617.XU patent/CN204013525U/en active Active
- 2014-11-05 WO PCT/CN2014/090396 patent/WO2015117433A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330248A (en) * | 2016-09-18 | 2017-01-11 | 深圳铂睿智恒科技有限公司 | Radio frequency system enhancing 2G/3G sensitivity |
| WO2018205174A1 (en) * | 2017-05-10 | 2018-11-15 | 广东欧珀移动通信有限公司 | Radio frequency circuit, antenna device, and electronic device |
| CN107404332A (en) * | 2017-07-25 | 2017-11-28 | 广东欧珀移动通信有限公司 | Radio circuit, antenna assembly and electronic equipment |
| CN110912576A (en) * | 2019-11-22 | 2020-03-24 | 维沃移动通信有限公司 | Radio frequency structure and communication terminal |
| WO2021098674A1 (en) * | 2019-11-22 | 2021-05-27 | 维沃移动通信有限公司 | Radio frequency structure, and communication terminal |
| CN110912576B (en) * | 2019-11-22 | 2022-05-13 | 维沃移动通信有限公司 | Radio frequency structure and communication terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015117433A1 (en) | 2015-08-13 |
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Effective date of registration: 20151113 Address after: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee after: ZTE Corp. Patentee after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corp. |
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Effective date of registration: 20221129 Address after: 518055 Zhongxing Industrial Park, Liuxian Avenue, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. Patentee before: SANECHIPS TECHNOLOGY Co.,Ltd. |
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