CN205123850U - Connector and image acquisition system that is suitable for - Google Patents
Connector and image acquisition system that is suitable for Download PDFInfo
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- CN205123850U CN205123850U CN201520944692.5U CN201520944692U CN205123850U CN 205123850 U CN205123850 U CN 205123850U CN 201520944692 U CN201520944692 U CN 201520944692U CN 205123850 U CN205123850 U CN 205123850U
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Abstract
The utility model provides a connector and image acquisition system that is suitable for. The image acquisition system includes: the connector that contains MIPI interface, differential interface, control end and input/output end, with the slave unit that the MIPI interface links to each other, with the main equipment that control end and input/output end link to each other includes: with the image signal receiving element that the differential interface links to each other, with the continuous the control unit of the control end that an input/output held and the control end is connected respectively in the connector. The utility model discloses give main equipment by the connector with the difference image signal transmission to pass through the MIPI interface with the control signal of non - difference and transmit for the slave unit, reduced the interface setting of slave unit.
Description
Technical field
The utility model relates to field of connectors, particularly relate to a kind of connector and the image capturing system that is suitable for.
Background technology
Along with imageing sensor (ImageSensor) resolution constantly increased in the last few years, throughput increases further, and the output speed of Traditional parallel interface can not meet throughput requirement.In addition, because Traditional parallel interface voltage is high, track lengths requires the problems such as strict, causes parallel interface to become bottleneck under high speed image transmission demand.Within 2003, MIPI (MobileIndustryProcessInterface moves Industry Processor Interface) alliance sets up, and the agreement released based on MIPI interface, use low-voltage differential serial line interface to replace parallel interface to meet the requirements such as imageing sensor throughput and power consumption.
Signal transmissions is divided into fast mode (HS) and low-power consumption mode (LP) by MIPI interface protocol.Wherein, under HS pattern, MIPI interface sends image information by low-voltage differential, and the differential voltage exported due to MIPI interface protocol is 200mV, lower than common differential signal, so power consumption is lower during transmission.Adopt Transistor-Transistor Logic level at LP pattern MIPI interface protocol at original differential signal two ends, can send or receive low speed order.
But, the differential interface of image processing circuit (as FPGA etc.) with as described in MIPI interface do not mate, therefore, need connector conversion.The connector used at present does not utilize MIPI interface to transmit control command, but arranges separately the interface being used for transmission command (i.e. control command).This makes MIPI interface cannot play it should be powerful.Therefore, need to improve prior art.
Utility model content
The utility model embodiment provide a kind of connector and the image capturing system that is suitable for, cannot the problem of transfer control signal for the MIPI interface solving connector in prior art.
Based on above-mentioned purpose, the utility model provides a kind of connector, for connecting MIPI interface and main equipment, comprise: differential signal transmission unit, comprise: MIPI interface and the differential interface be connected with described main equipment, for exporting the difference image signal of described MIPI interface to described main equipment by described differential interface; Non-differential signal transmission unit, comprising: the control end be connected with described main equipment respectively and the first input/output terminal and the second input/output terminal be connected with described MIPI interface; Wherein, described control end and the first input/output terminal all receive single-ended level signal.
Preferably, described differential signal transmission unit comprises: the differential low noise amplifier be connected with described MIPI interface, comprises two inputs and two outputs; Load resistance is connected with between two inputs of described differential low noise amplifier; The amplifier be connected with two outputs of described differential low noise amplifier respectively, comprises two outputs of difference, and two outputs of described amplifier connect described main equipment.
Preferably, described non-differential signal transmission unit comprises: be connected to the first cascaded inverters between often pair of first input/output terminal and the second input/output terminal, that the control signal that described first input/output terminal receives is passed to the second input/output terminal, wherein, often organize the first cascaded inverters and comprise controlled end; The second cascaded inverters between the controlled end being connected to described main equipment and each first cascaded inverters.
Preferably, the anti-phase transport and placing device that the first cascaded inverters comprises two series connection is often organized; Described second cascaded inverters comprises two anti-phase transport and placing devices of series connection.
Preferably, described non-differential signal transmission unit also comprises: be connected to third level connection inverter between often pair of first input/output terminal and the second input/output terminal, that the control signal that described second input/output terminal receives is passed to the first input/output terminal, wherein, often organize third level connection inverter and comprise controlled end; Be connected to described main equipment and each third level connection inverter controlled end between the fourth stage connection inverter.
Preferably, described third level connection inverter comprises the anti-phase transport and placing device of series connection; Described fourth stage connection inverter comprises: the anti-phase transport and placing device of series connection and homophase transport and placing device.
Preferably, described differential signal transmission unit comprises: SN65LVDT100 chip; Described non-differential signal transmission unit comprises: SN74AVC2T45 chip.
Based on above-mentioned purpose, the utility model also provides a kind of image capturing system, comprising: as above arbitrary described connector; Be connected with the MIPI interface in described connector, for by described MIPI interface control signal and export difference image signal from equipment; The main equipment be connected with described connector;
Wherein, described main equipment comprises: the picture signal be connected with the differential interface in described connector receives unit; The control unit be connected with the control end that control end is connected respectively with the first input/output terminal in described connector.
Preferably, described main equipment is FPGA.
Preferably, described control unit also receives unit with described picture signal and is connected.
As mentioned above, connector of the present utility model and the image capturing system that is suitable for, there is following beneficial effect: all pass to from equipment by MIPI by connector by the control signal of difference image signal and non-differential, decrease and arrange from the interface of equipment; In addition, adopt the differential low noise amplifier of dual input and dual output, the stability of received signal can be maintained; Further, adopt and comprise the cascaded inverters of transmitted in both directions and the cascaded inverters for controls transfer direction, transmitting control information between master-slave equipment can be convenient to.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of image capturing system of the present utility model.
Fig. 2 is the structural representation of an embodiment of connector of the present utility model.
Fig. 3 is the structural representation of an embodiment of differential signal transmission unit in connector of the present utility model.
Fig. 4 is the structural representation of an embodiment of non-differential signal transmission unit in connector of the present utility model.
Fig. 5 is the waveform timing chart of connector duration of work of the present utility model.
Embodiment
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present utility model in a schematic way, then only the assembly relevant with the utility model is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
As shown in Figure 1, the utility model provides a kind of image capturing system, and it comprises: from equipment 11, connector 12 and main equipment 13.Wherein, described main equipment 13 refers to the program that operation stores, and sends instruction according to program operation to from equipment 11, and obtains the signal comprising data (or being information) from equipment 11, and processes obtained signal.Described main equipment 13 includes but not limited to: FPGA, the integrated circuit comprising CPU or printed circuit board (PCB) etc.Describedly refer to the signal comprising data (or crying information, instruction) according to the instruction indicated by main equipment 13 to the transmission of described main equipment 13 from equipment 11.Such as, described from equipment 11 for comprising the image-pickup device of camera.Described connector 12 for by from the MIPI interface of equipment 11 with do not support that the main equipment 13 of MIPI interface is connected, the signal between master-slave equipment 11 can unobstructedly be transmitted.
In the present embodiment, described is image-pickup device from equipment 11, then described main equipment 13 is the image processing apparatus corresponding to described image-pickup device.The described MIPI interface from equipment 11 is connected with the MIPI interface of described connector 12, and the differential interface of described connector 12, control end and the first input/output terminal are connected with the 3rd input/output interface the 3rd input/output terminal with the differential interface of main equipment 13, control interface control end respectively.Wherein, the control end in described connector 12 and the first input/output terminal can be independent single-ended level interface.
As shown in Figure 2, described connector 12 comprises: differential signal transmission unit, non-differential signal transmission unit.
Described differential signal transmission unit comprises: the MIPI interface be connected with from equipment 11 and the differential interface be connected with main equipment 13, exports described main equipment 13 for the difference image signal received by described MIPI interface to by described differential interface.
At this, described difference image signal, when receiving difference image signal, is amplified by described differential signal transmission unit, is convenient to main equipment 13 pairs of picture signals and carries out the process such as sampling.So described differential signal transmission unit comprises amplifier.Such as, described differential signal transmission unit comprises: single input, single output amplifier of corresponding every road picture signal.For another example, described differential signal transmission unit comprises: SN65LVDT100 chip and peripheral circuit.Wherein, input A with B of described SN65LVDT100 chip is connected with the MIPI interface from equipment 11.Described peripheral circuit is for providing the voltage etc. of bias stabilization for SN65LVDT100 chip.
Preferably, described differential signal transmission unit comprises: the differential low noise amplifier be connected with described MIPI interface and amplifier.As shown in Figure 3.
Described differential low noise amplifier comprises two inputs (A, B) and two outputs; Load resistance is connected with between two inputs of described differential low noise amplifier.The resistance of described load resistance is between [100 Ω, 110 Ω].
Described amplifier also comprises two inputs and two outputs.Wherein, two inputs of described amplifier connect two outputs of described differential low noise amplifier respectively, and two output is inverting each other and connect the differential interface (Y, Z) of main equipment 13.
Described non-differential signal transmission unit comprises: the control end be connected with described main equipment 13 respectively and the first input/output terminal and the second input/output terminal (B1, B2) be connected with described MIPI interface; Wherein, described control end (DIR) and the first input/output terminal (A1, A2) all receive single-ended level signal.Such as, described non-differential signal transmission unit comprises: SN74AVC2T45 chip and peripheral circuit thereof.This peripheral circuit is used for providing stable bias voltage etc. to SN74AVC2T45 chip.
Preferably, described non-differential signal transmission unit comprises: the first cascaded inverters, the second cascaded inverters.
The quantity of described first cascaded inverters is two groups, is connected between often pair of first input/output terminal and the second input/output terminal, and along the first input/output terminal to the second input and output extreme direction conducting.The control signal that described first cascaded inverters is used for described first input/output terminal receives is passed to the second input/output terminal, wherein, often organizes the first cascaded inverters and comprises controlled end.
In the present embodiment, described first cascaded inverters comprises the anti-phase transport and placing device of two series connection, and one of them anti-phase transport and placing device comprises controlled end.
The quantity of described second cascaded inverters is one group, is connected to the controlled end often organizing the first cascaded inverters.Wherein, described second cascaded inverters comprises two anti-phase transport and placing devices of series connection.
As shown in Figure 4, the input that input connects described first input/output terminal A1, output connects another anti-phase transport and placing device U12 of one in the first cascaded inverters anti-phase transport and placing device U11; The output of this anti-phase transport and placing device U12 connects the second input/output terminal B1 of corresponding A 1.The input that input connects described first input/output terminal A2, output connects another anti-phase transport and placing device U22 of one in another first cascaded inverters anti-phase transport and placing device U21; The output of this anti-phase transport and placing device U22 connects the second input/output terminal B2 of corresponding A 2.Wherein, the input that the input (DIR end) of an anti-phase transport and placing device in described second cascaded inverters connects the control end (DIR end) of main equipment 13, output connects another anti-phase transport and placing device, the output of this another anti-phase transport and placing device connects the controlled end of anti-phase transport and placing device U12 and U22 respectively.
When described main equipment 13 sends high level signal to the anti-phase transport and placing device in described second cascaded inverters, the then each described first cascaded inverters conducting of described second cascade inverter controlling, and the control signal that described main equipment 13 exports is passed to the MIPI interface from equipment 11.
Preferably, described non-differential signal transmission unit also comprises: third level connection inverter and fourth stage connection inverter.
The quantity of described third level connection inverter is two groups, is connected between often pair of first input/output terminal and the second input/output terminal, and along the second input/output terminal to the first input and output extreme direction conducting.The control signal that described fourth stage connection inverter is used for described second input/output terminal receives is passed to the first input/output terminal.Wherein, often organize third level connection inverter and also comprise controlled end.
In the present embodiment, described third level connection inverter comprises the anti-phase transport and placing device of two series connection, and one of them anti-phase transport and placing device comprises controlled end.
Described fourth stage connection inverter is connected between the controlled end of described main equipment 13 and each third level connection inverter.In the present embodiment, described fourth stage connection inverter comprises anti-phase transport and placing device and the homophase transport and placing device of series connection.
Such as, as shown in Figure 4, the input that input connects described second input/output terminal B1, output connects another anti-phase transport and placing device U31 of an anti-phase transport and placing device U32 in third level connection inverter; The output of this another anti-phase transport and placing device U31 connects the first input/output terminal A1 of corresponding B1.The input that input connects described second input/output terminal B2, output connects another anti-phase transport and placing device U41 of an anti-phase transport and placing device U42 in another third level connection inverter; The output of this another anti-phase transport and placing device U41 connects the first input/output terminal A2 of corresponding B2.Wherein, the input (DIR end) of the anti-phase transport and placing device in fourth stage connection inverter connects the control end (DIR end) of main equipment 13, the input of output connection homophase transport and placing device, and the output of this homophase transport and placing device connects the controlled end of anti-phase transport and placing device U32 and U42 respectively.
Wherein, fourth stage connection inverter can share with the anti-phase transport and placing device be connected with the control end (DIR holds) of main equipment 13 in the second cascaded inverters.
Described main equipment 13 comprises: picture signal receives unit, control unit.
Described picture signal receives unit and is connected with the differential interface in described connector 12, for carrying out the subsequent treatment such as image sampling, digitlization to received difference image signal.Preferably, described picture signal reception unit also comprises control end.
3rd input/output terminal of described control unit is connected with the first input/output terminal in described connector 12, control end is connected with the control end in described connector 12.Described control unit comprises CPU, and by CPU respectively to described first input/output terminal output packet containing the control signal of control command, and send to the control end of described connector 12 level signal that intermediate scheme switches.Or described control unit comprises high-speed switching circuit and controls the control module of high-speed switching circuit.
Such as, described control unit sends high level to the control end of connector 12, send the control signal of the non-differential comprising control command to the first input/output terminal simultaneously, the second cascaded inverters in described connector 12 exports conduction level (as high level) to the first cascaded inverters, described first cascaded inverters conducting, and the control signal of described non-differential is passed to MIPI interface.What be connected with described MIPI interface all receives this control signal from equipment 11 and differential signal transmission unit.Due to this control signal and non-differential signal, then the differential interface of described differential signal transmission unit exports indefinite state signal (as the non-zero signal of telecommunication of non-1), and described picture signal receives unit and assert that this signal of telecommunication is invalid signals.
Preferably, the control end that described control unit also receives unit with described picture signal is connected.
Such as, when the control end that described control unit receives unit to the control end of connector 12 and picture signal all exports high level signal simultaneously, the second cascaded inverters in described connector 12 also controls the first cascaded inverters conducting; Described picture signal receives unit and forbids receiving based on described high level signal the signal that described connector 12 transmits.Now, described control unit also sends the control signal comprising control command to described connector 12, to from equipment 11 sending controling instruction.
When described control unit receives the equal output low level signal of the control end of unit to the control end of connector 12 and picture signal simultaneously, the fourth stage connection inverter in described connector 12 also controls the conducting of third level connection inverter; Described picture signal receives the signal that unit allows the described connector 12 of reception to transmit based on described low level signal.Meanwhile, described connector 12 MIPI interface difference image signal and be passed to described picture signal receive unit.
As Figure 1-4, the structure example of image capturing system of the present utility model is as follows:
Described image capturing system comprises: from equipment 11, connector 12 and main equipment 13.Wherein, describedly comprise MIPI interface from equipment 11, described main equipment 13 comprises: have the control unit that differential interface receives unit with the picture signal of control end, is connected with the control end that described picture signal receives unit, described control unit is externally provided with control end and the 3rd input/output terminal.
Described connector 12 connects described MIPI interface and described main equipment 13, and it comprises: be connected to the differential signal transmission unit between described MIPI interface and differential interface and non-differential signal transmission unit.Described non-differential signal transmission unit comprises: the second input/output terminal be connected with described MIPI interface, the first input/output terminal be connected with the 3rd input/output terminal of described control unit, the control end be connected with the control end of described control unit.
Wherein, the amplifier comprising double input end and the differential low noise amplifier of double output ends in described differential signal transmission unit and be connected with described differential low noise amplifier, two outputs correspondences of described amplifier connect described differential interface.Wherein, corresponding reception difference image signal Zhong Mei road signal in described differential low noise amplifier, and the high voltage threshold preset corresponding to the signal of every road and low voltage threshold.
Described non-differential signal transmission unit comprises the first cascaded inverters, the second cascaded inverters, third level connection inverter and fourth stage connection inverter.Wherein, the control signal that the first cascaded inverters is used for the first input/output terminal to export transports to MIPI interface by the second input/output terminal.First cascaded inverters ON/OFF described in described second cascade inverter controlling.The control signal that third level connection inverter is used for the second input/output terminal to export transports to control unit by the first input/output terminal.Third level connection inverter ON/OFF described in described fourth stage connection inverter controlling.
The course of work of above-mentioned image capturing system is exemplified below:
Control unit in described main equipment 13 exports the control signal of the non-differential representing the level signal of forbidding Received signal strength, the level signal representing all first cascaded inverters of conducting and comprise control command simultaneously respectively to the first input/output terminal of picture signal the reception control end of unit, the control end of connector 12 and connector 12 based on obtained instruction.The second cascade inverter controlling first cascaded inverters conducting in described connector 12, and export described control signal by described first cascaded inverters to MIPI interface, meanwhile, described picture signal receives the signal that unit forbids receiving differential interface.
After above-mentioned control signal is sent, described control unit exports expression respectively to the picture signal reception control end of unit and the control end of connector 12 simultaneously and allows the level signal of Received signal strength, represents the level signal disconnecting all first cascaded inverters, then described picture signal reception unit and connector 12 are triggered corresponding actions and also receive the difference image signal sent by MIPI interface from equipment 11.Wherein, describedly the clock signal of difference image signal is sent as shown in Figure 5 from equipment 11.In the sequential A stage, the absolute value being received from the signal voltage difference of MIPI interface due to the differential low noise amplifier in described connector 12 is less than preset range, export indefinite state signal (as non-1 non-zero level), then described picture signal receives the invalidating signal that unit identification receives.When the signal of described MIPI interface transmission enters sequential B, described differential low noise amplifier is received from the absolute value of the signal voltage difference of MIPI interface in preset range, then described picture signal reception unit carries out sampling etc. subsequent treatment to received difference image signal.When the signal of described MIPI interface transmission enters sequential C, the absolute value that described differential low noise amplifier is received from the signal voltage difference of MIPI interface is less than preset range again, export indefinite state signal (as non-1 non-zero level) again, then described picture signal receives the invalidating signal that unit identification receives.
In sum, the control signal of difference image signal and non-differential all passes to from equipment by MIPI by the connector in the utility model, decreases and arranges from the interface of equipment.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (10)
1. a connector, for connecting MIPI interface and main equipment, is characterized in that, comprising:
Differential signal transmission unit, comprising: MIPI interface and the differential interface be connected with described main equipment, for exporting the difference image signal of described MIPI interface to described main equipment by described differential interface;
Non-differential signal transmission unit, comprising: the control end be connected with described main equipment respectively and the first input/output terminal and the second input/output terminal be connected with described MIPI interface; Wherein, described control end and the first input/output terminal all receive single-ended level signal.
2. connector according to claim 1, is characterized in that, described differential signal transmission unit comprises:
The differential low noise amplifier be connected with described MIPI interface, comprises two inputs and two outputs; Load resistance is connected with between two inputs of described differential low noise amplifier;
The amplifier be connected with two outputs of described differential low noise amplifier respectively, comprises two outputs of difference, and two outputs of described amplifier connect described main equipment.
3. connector according to claim 1, is characterized in that, described non-differential signal transmission unit comprises:
Be connected to the first cascaded inverters between often pair of first input/output terminal and the second input/output terminal, that the control signal that described first input/output terminal receives is passed to the second input/output terminal, wherein, often organize the first cascaded inverters and comprise controlled end;
The second cascaded inverters between the controlled end being connected to described main equipment and each first cascaded inverters.
4. connector according to claim 3, is characterized in that, often organizes the anti-phase transport and placing device that the first cascaded inverters comprises two series connection; Described second cascaded inverters comprises two anti-phase transport and placing devices of series connection.
5. connector according to claim 3, is characterized in that, described non-differential signal transmission unit also comprises:
Be connected to third level connection inverter between often pair of first input/output terminal and the second input/output terminal, that the control signal that described second input/output terminal receives is passed to the first input/output terminal, wherein, often organize third level connection inverter and comprise controlled end;
Be connected to described main equipment and each third level connection inverter controlled end between the fourth stage connection inverter.
6. connector according to claim 5, is characterized in that, described third level connection inverter comprises the anti-phase transport and placing device of series connection; Described fourth stage connection inverter comprises: the anti-phase transport and placing device of series connection and homophase transport and placing device.
7. connector according to claim 1, is characterized in that, described differential signal transmission unit comprises: SN65LVDT100 chip; Described non-differential signal transmission unit comprises: SN74AVC2T45 chip.
8. an image capturing system, is characterized in that, comprising:
As the connector as described in arbitrary in claim 1-7;
Be connected with the MIPI interface in described connector, for by described MIPI interface control signal and export difference image signal from equipment;
The main equipment be connected with described connector;
Wherein, described main equipment comprises:
The picture signal be connected with the differential interface in described connector receives unit;
The control unit be connected respectively with the first input/output terminal in described connector and control end.
9. image capturing system according to claim 8, is characterized in that, described main equipment is FPGA.
10. image capturing system according to claim 8, is characterized in that, described control unit also receives unit with described picture signal and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520944692.5U CN205123850U (en) | 2015-11-24 | 2015-11-24 | Connector and image acquisition system that is suitable for |
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| CN201520944692.5U CN205123850U (en) | 2015-11-24 | 2015-11-24 | Connector and image acquisition system that is suitable for |
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| CN205123850U true CN205123850U (en) | 2016-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105975423A (en) * | 2016-04-01 | 2016-09-28 | 苏州美势信息科技有限公司 | Point-to-point signal cascade transmission device and method as well as portable electronic equipment |
| CN108595361A (en) * | 2018-05-09 | 2018-09-28 | 武汉精测电子集团股份有限公司 | The device of C_PHY signals is generated by double SSTL circuits |
| CN109814785A (en) * | 2019-01-18 | 2019-05-28 | 深圳云瀚科技有限公司 | Image processing method and device based on external equipment |
-
2015
- 2015-11-24 CN CN201520944692.5U patent/CN205123850U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105975423A (en) * | 2016-04-01 | 2016-09-28 | 苏州美势信息科技有限公司 | Point-to-point signal cascade transmission device and method as well as portable electronic equipment |
| CN105975423B (en) * | 2016-04-01 | 2018-10-26 | 上海傲意信息科技有限公司 | Point-to-point signal cascade transmitting device and method, mancarried electronic aid |
| CN108595361A (en) * | 2018-05-09 | 2018-09-28 | 武汉精测电子集团股份有限公司 | The device of C_PHY signals is generated by double SSTL circuits |
| CN109814785A (en) * | 2019-01-18 | 2019-05-28 | 深圳云瀚科技有限公司 | Image processing method and device based on external equipment |
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Address after: 201900 4403-K room, No. 1325, Mudanjiang Road, Shanghai, Baoshan District Patentee after: SHANGHAI X-CHIP MICROELECTRONIC TECHNOLOGY CO., LTD. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park fanchun Road No. 400 Building 1 layer 3 Patentee before: SHANGHAI X-CHIP MICROELECTRONIC TECHNOLOGY CO., LTD. |
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