CN105577874B - The removable integrated mobile phone test device of integration - Google Patents

The removable integrated mobile phone test device of integration Download PDF

Info

Publication number
CN105577874B
CN105577874B CN201610103776.5A CN201610103776A CN105577874B CN 105577874 B CN105577874 B CN 105577874B CN 201610103776 A CN201610103776 A CN 201610103776A CN 105577874 B CN105577874 B CN 105577874B
Authority
CN
China
Prior art keywords
mobile phone
housing
test
test device
integrated mobile
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.)
Active
Application number
CN201610103776.5A
Other languages
Chinese (zh)
Other versions
CN105577874A (en
Inventor
涂哲军
万众
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing E-Credence Information Technology Co Ltd
Original Assignee
Beijing E-Credence Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing E-Credence Information Technology Co Ltd filed Critical Beijing E-Credence Information Technology Co Ltd
Priority to CN201610103776.5A priority Critical patent/CN105577874B/en
Publication of CN105577874A publication Critical patent/CN105577874A/en
Application granted granted Critical
Publication of CN105577874B publication Critical patent/CN105577874B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/24Arrangements for testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of removable integrated mobile phone test devices of integration, including a columnar housing, the independent supporter mutually staggered is evenly distributed on the vertical plane of housing, WIFI routers, peanut stick, more than one controller, more than one radiator fan, more than one interchanger and the more than one multiplex roles USB power source of mutual signal communication are further included in housing, controller is connect by three Y types USB lines with the testing mobile phone signal on independent supporter.Its overall structure is integrated with the functions such as power supply, network insertion, network connection, operation platform, handset bracket, heat dissipation, improve test performance, meet test needs, it ensure that test effect, realize the remote testing control of multiple mobile phones and prolonged test needs, it is small, it is at low cost, it can be suitble to test using under various simple working environments.

Description

The removable integrated mobile phone test device of integration
Technical field
The present invention relates to a kind of test device for mobile phone, more particularly to a kind of floor space is small, power is low, convenient test one Body moves integrated mobile phone test device.
Background technology
With universal and research and development renewal process the quickening of smart mobile phone, smart mobile phone is carried out efficiently, comprehensively to survey Examination just becomes a key of Mobile phone modeling production and quality assurance.
At present, when testing mobile phone compatibility and continuous working period are when test cases, need to test simultaneously several, tens Platform or up to a hundred mobile phones, basic framework are:Testing mobile phone is placed in rack, and a PC machine connects 2-4 platforms by USB port Mobile phone progress is tested simultaneously, and originating end of the PC machine as test script is directly tested by artificial input control script.Its Shortcoming is:
1st, testing 100 mobile phones needs 25-50 platform desktop computers to work at the same time, and probably needs 5-10 rack that could open up completely It opens, occupies the working space of at least 20-40 square meters, testing cost is caused to dramatically increase;And 25-50 platforms PC is worked at the same time, power consumption Between 3750W -7500W, power consumption is big, higher to the power supply and cooling requirements of workplace.
2nd, charging problems are not accounted in mobile phone test, are only connected to the USB interface of PC machine, but most of PC machine USB Interface provides 250 milliamperes of electric current, far can not meet the needs of the minimum 500 milliamperes of charging currents of mobile phone, cause testing results The situation of mobile phone automatic shutdown due to out of power during use-case reduces the continuous type of testing efficiency and test.
3rd, testing mobile phone puts confusion in rack, and no fixed position is put, and be easy to cause communication transformation, makes survey Example failure on probation.
4th, mobile phone is lying placed in rack, and the test case of camera cannot be normally carried out sometimes, affect test Integrality.
5th, cable network connection is carried out for institute's organic frame, router and hub is configured, it is complicated, special messenger is needed to see Shield, meanwhile, the rack network equipment and mounting cost are higher, limit the expansion of measurement scope.
To overcome disadvantages mentioned above, the unreasonable many drawbacks brought of structure design are eliminated, just becomes the present invention and wants to solve Main problem.
Invention content
In view of above-mentioned existing situation and deficiency, the present invention is intended to provide one kind is small, function is complete, applicability is good, uses It is convenient, and the integration that can complete various test cases online moves integrated mobile phone test device, to meet multiple intelligent hands Machine test online simultaneously needs, and ensures test quality and test continuity, improves testing efficiency.
The present invention is achieved through the following technical solutions:
The removable integrated mobile phone test device of integration, including a columnar housing, uniformly divides on the vertical plane of housing The independent supporter for being used to support testing mobile phone is furnished with, the position of independent supporter mutually staggers, the supporting surface of independent supporter It is equipped with straight slot;More than one air inlet and air outlet are correspondingly arranged between the bottom surface and top surface of housing;It is also wrapped in housing Include WIFI routers, peanut stick, more than one controller, more than one radiator fan, more than one interchanger and one A above multiplex roles USB power source;Radiator fan is arranged on the air duct between air inlet and air outlet, and radiator fan is fixed on The air inlet of housing;Interchanger and peanut stick are connect respectively with WIFI router signals;Controller is connect with interchanger signal, The output terminal of controller is equipped with three Y type USB lines;Device, interchanger and three Y types USB lines provide multiplex roles USB power source in order to control Power supply.
The housing is multiedge cylinder.
The equally distributed independent supporter is layered arrangement, and the independent supporter of layered arrangement is more than two layers, often Position between the independent supporter of layer is spaced from each other, and the independent supporter of adjacent interlayer mutually staggers.
The independent supporter includes a support plate and two support bars, and the vertical plane of housing is equipped with evenly distributed Through-hole;In through-holes, support bar is supported below support plate, and straight slot is arranged on support for support plate and two support bar difference grafting The middle part of plate.
The support plate is equipped with card slot, and two support bars are supported and are held in card slot respectively.
The installation site of the independent supporter of the installation site of more than one controller and layered arrangement in the housing It is corresponding.
WIFI routers, peanut stick and the more than one interchanger set in the housing is located proximate to housing top Portion.
The more than one multiplex roles USB power source set in the housing is located proximate to housing bottom.
The advantageous effect of the removable integrated mobile phone test device of integration of the present invention includes:
1st, total be integrated with the functions such as power supply, network insertion, network connection, operation platform, handset bracket, heat dissipation in All over the body, test performance is improved, test needs is met, ensure that test effect;
2nd, power consumption is greatly reduced, saves test device the space occupied, cost only has a quarter of traditional approach;
3rd, be that testing mobile phone end is added in not less than 1000 milliamperes of charging current with three Y type USB lines, can solution break off relations mostly The out of power situation that number testing mobile phone occurs during the test, ensure that the continuity of test process, improves testing efficiency;
4th, it is integrated using network interface and cloud platform, task can be remotely issued, in the case of long-range and unattended Test assignment is performed, test flexibility is substantially increased, ensure that testing efficiency;
5th, the volume of every integrated mobile phone test device only has the size of a laser printer, can at least while test 12 Mobile phone more than platform, testing efficiency is high, floor space is small;
6th, horizontal positioned testing mobile phone mutual spacing is maintained at more than 15CM, avoids mutual signal interference, improves The reliability of test process;
7th, straight slot structure design in support plate allows testing mobile phone to understand that carrying out camera takes pictures, and facilitates and tested Journey, meanwhile, mobile phone heat dissipation is additionally favorable for, ensure that the test using effect of support plate;
8th, each independent supporter is assembled using inserting mode, is facilitated dismounting and handling process, is improved use Flexibility is provided a convenient to adjust independent supporter quantity at any time;
9th, housing is interior is set using layered structure, and internal each module and control system are easy to connect, are held using simple, maintenance Easily;
10th, total is small, and testing mobile phone connection and placement process are convenient, extraneous only to provide a cable and one A power cord can normal use, be suitble under various simple working environments test use.
Description of the drawings
Fig. 1 is the dimensional structure diagram of middle casing of the present invention;
Fig. 2 is the positive structure schematic of middle casing of the present invention;
Fig. 3 is the structure principle chart of L1- power supply layers in the present invention;
Fig. 4 is the structure principle chart of L2- operation layers in the present invention;
Fig. 5 is the structure principle chart of L3- operation layers in the present invention;
Fig. 6 is the structure principle chart of L4- operation layers in the present invention;
Fig. 7 is the structure principle chart of L5- network connectivity layers in the present invention;
Fig. 8 is the structure principle chart of L6- network access layers in the present invention.
Specific embodiment
Below using hull shape as the one that three layers of totally 12 independent supporter is distributed on 12 prisms, housing vertical plane For changing removable integrated mobile phone test device, its structure is described in further detail with reference to attached drawing:
The removable integrated mobile phone test device of integration of the present invention, is 12 prism-shapeds including an appearance Housing and be arranged in housing WIFI routers, peanut stick, six controllers, two radiator fans, two interchangers and Four multiplex roles USB power sources.
Wherein, as depicted in figs. 1 and 2, three layers are evenly distributed on the vertical plane 2 of housing 1 and are used to support testing mobile phone Independent supporter, the quantity of every layer of independent supporter is four, and the position of independent supporter is spaced from each other in every layer, adjacent layer Between the position of independent supporter mutually stagger so that the distance of 15CM can be remained above between each testing mobile phone, is avoided Test signal generation interferes with each other in test process, and causes phenomena such as communication is transformed.For convenience of dismantling and transporting, independently support Body is connected to by the way of activity grafting on the vertical plane 2 of housing 1, and each vertical faceted pebble of housing 1 is equipped with evenly distributed Through-hole 3.Each independent supporter respectively includes a support plate 4 and two support bars 5, and support plate 4 and two support bars 5 can According in the requirement of independent supporter number with being plugged on corresponding position through-hole 3, so as to make independent body position to be supported to mutually stagger. Support plate 4 is equipped with the card slot 6 of longitudinal direction, and two support bars 5 by supported underneath and are held in card slot 6 respectively, and support plate 4 is kept It is horizontal.To ensure that the camera on testing mobile phone can normally be taken pictures during the test, longitudinal direction is additionally provided at the middle part of support plate 4 Straight slot 7, the camera on testing mobile phone is corresponding with 7 position of straight slot.Due to the installation of each module and control system in housing 1 Position is more concentrated, and to ensure radiation processes, is also correspondingly arranged between the bottom surface of housing 1 and top surface there are two air inlet and two A air outlet 8, two radiator fans are separately positioned on the air duct between air inlet and air outlet 8, two radiator fan difference Two air inlets being fixed in housing 1, and respectively electric power is provided by multiplex roles USB power source.
For installing each module and control system in the housings of 12 prism-shapeds, in this example, for convenience of using and simplified topology, Each module and control system in housing are arranged using layered mode.As shown in Fig. 3-Fig. 8, wherein, first layer is supplied for L1- Electric layer, second is L2- operation layers, third layer be L3- operation layers, the 4th layer be L4- operation layers, layer 5 is L5- network connections Layer, layer 6 are L6- network access layers.Due to being provided with 12 independent supporters on vertical faceted pebble, so in this example, connect more Mouth USB power source can outwardly provide 20 5V power interfaces using 5 mouthfuls of USB power sources.Interchanger is 5 mouth switchs, can meet Six controllers use, and pass through controller and can drive simultaneously subject to 12 testing mobile phones are tested.Mutual signal connection WIFI routers and peanut stick are distributed in the L6- network access layers of top in housing, and WIFI routers are used for external cable Access.Two interchangers are distributed in the L5- network connectivity layers of lower section, two interchangers and WIFI router signal communications, and two A interchanger exports network signal to six controllers.Four five mouthfuls of USB power sources are distributed in the L1- power supply layers of bottommost, outside Boundary's power supply can be introduced directly into from housing bottom in four five mouthfuls of USB power sources and WIFI routers, meanwhile, four five mouthfuls of USB electricity Source exports 5V power supplys to each layer, to ensure that each module works normally.Six controllers are distributed in two-by-two in three operation layers, each Operation layer is corresponding with the position of the independent supporter of respective layer respectively, and each controller can be driven by three Y types USB lines simultaneously Two testing mobile phones are moved, three Y types USB lines can not only transmit test signal to testing mobile phone, also draw using five mouthfuls of USB power sources The 5V power supplys entered charge online to testing mobile phone, ensure that long-term, the follow-on test needs of testing mobile phone.
Certainly, housing is alternatively 14 prisms, 10 prisms, 8 prisms etc., in housing the interface quantity of each module and Number can be adjusted correspondingly according to the quantity for setting independent supporter, and details are not described herein.
12 testing mobile phones first, are individually positioned in 12 independent supporters by test in use, as shown in Fig. 3-Fig. 8 Support plate on, corresponding three Y types USB lines from the through-hole on housing are stretched out and are plugged on testing mobile phone, test hand The camera position of machine is corresponding with the straight slot in support plate;Then, power supply, four 5 mouthfuls of USB power sources and WIFI routers are opened It powers on, meanwhile, two radiator fans start air draft cooling, and peanut stick, controller and interchanger are started to work, due to using peanut The mode that stick is combined with WIFI routers so that external network access procedure becomes simple, conveniently;Followed by operating personnel are led to Distal end online mode is crossed test script to be sent in the removable integrated mobile phone test device of integration at any time, and pass through interchanger Conversion, script information is transmitted in corresponding testing mobile phone eventually by corresponding controller and three Y types USB lines, it is real Show at any time test of the remote test use-case in testing mobile phone to use, facilitated test process, meet test needs.Test In the process, by the support of straight slot, testing mobile phone can carry out the test of taking pictures of mobile phone camera, make under the premise of movement is not required to Whole mobile phone test process becomes more complete, more accurate, more convenient, and the introducing of three Y type USB lines, also testing mobile phone is made to exist Charged state can be remained in test process, the long-term test needs of testing mobile phone is met, improves testing efficiency.

Claims (8)

1. the removable integrated mobile phone test device of integration, which is characterized in that including a columnar housing, the vertical plane of housing On be evenly distributed with the independent supporter for being used to support testing mobile phone, the position of independent supporter mutually staggers, independent supporter Supporting surface be equipped with straight slot;More than one air inlet and outlet air are correspondingly arranged between the bottom surface and top surface of the housing Mouthful;Further included in the housing WIFI routers, peanut stick, more than one controller, more than one radiator fan, one Above interchanger and more than one multiplex roles USB power source;The radiator fan is arranged between air inlet and air outlet On air duct, radiator fan is fixed on the air inlet of housing;The interchanger and peanut stick connect respectively with WIFI routers signal It connects;The controller is connect with interchanger signal, and the output terminal of controller is equipped with three Y type USB lines;The multiplex roles USB electricity Device, interchanger and three Y types USB lines provide power supply in order to control in source.
2. the removable integrated mobile phone test device of integration according to claim 1, which is characterized in that the housing is more Prism.
3. the removable integrated mobile phone test device of integration according to claim 1, which is characterized in that described to be uniformly distributed Independent supporter for layered arrangement, the independent supporter of layered arrangement is more than two layers, the position between every layer of independent supporter It puts and is spaced from each other, the independent supporter of adjacent interlayer mutually staggers.
4. the integration according to claim 1 or 3 moves integrated mobile phone test device, which is characterized in that the independence Supporter includes a support plate and two support bars, and the vertical plane of the housing is equipped with evenly distributed through-hole;The branch In through-holes, support bar is supported below support plate, and straight slot is arranged in support plate for fagging and two support bar difference grafting Portion.
5. the removable integrated mobile phone test device of integration according to claim 4, which is characterized in that in the support plate Equipped with card slot, two support bars are supported and are held in card slot respectively.
6. the removable integrated mobile phone test device of integration according to claim 3, which is characterized in that one in the housing The installation site of a above controller is corresponding with the installation site of the independent supporter of layered arrangement.
7. the removable integrated mobile phone test device of integration according to claim 1, which is characterized in that set in the housing WIFI routers, peanut stick and the more than one interchanger put are located proximate to case top.
8. the removable integrated mobile phone test device of integration according to claim 1, which is characterized in that set in the housing The more than one multiplex roles USB power source put is located proximate to housing bottom.
CN201610103776.5A 2016-02-25 2016-02-25 The removable integrated mobile phone test device of integration Active CN105577874B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610103776.5A CN105577874B (en) 2016-02-25 2016-02-25 The removable integrated mobile phone test device of integration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610103776.5A CN105577874B (en) 2016-02-25 2016-02-25 The removable integrated mobile phone test device of integration

Publications (2)

Publication Number Publication Date
CN105577874A CN105577874A (en) 2016-05-11
CN105577874B true CN105577874B (en) 2018-06-19

Family

ID=55887512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610103776.5A Active CN105577874B (en) 2016-02-25 2016-02-25 The removable integrated mobile phone test device of integration

Country Status (1)

Country Link
CN (1) CN105577874B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106027716A (en) * 2016-07-27 2016-10-12 昆山元诚电子材料有限公司 Mobile phone holder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008077961A1 (en) * 2006-12-22 2008-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Test apparatus
CN102546882A (en) * 2010-12-07 2012-07-04 天津北科精工自动化科技发展有限责任公司 Testing device for mobile phones
CN102546055A (en) * 2011-12-27 2012-07-04 东莞华贝电子科技有限公司 Method and system for testing performance of antenna of CDMA (Code Division Multiple Access) mobile phone
CN103151658A (en) * 2013-02-22 2013-06-12 北京小米科技有限责任公司 Data link line as well as method and device for controlling data link line
CN103208661A (en) * 2013-04-24 2013-07-17 惠州Tcl移动通信有限公司 Intelligent terminal and method for carrying out large-current charging
CN105007357A (en) * 2015-08-21 2015-10-28 成都博视广达科技有限责任公司 Mobile phone multi-station parallel testing device and realization method thereof
CN205407946U (en) * 2016-02-25 2016-07-27 北京易诚高科科技发展有限公司 Portable integrated cell -phone testing arrangement of integration

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2728342B2 (en) * 2012-11-06 2019-04-10 X-Rite Switzerland GmbH Handheld measuring device for recording the appearance of an object to be measured

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008077961A1 (en) * 2006-12-22 2008-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Test apparatus
CN102546882A (en) * 2010-12-07 2012-07-04 天津北科精工自动化科技发展有限责任公司 Testing device for mobile phones
CN102546055A (en) * 2011-12-27 2012-07-04 东莞华贝电子科技有限公司 Method and system for testing performance of antenna of CDMA (Code Division Multiple Access) mobile phone
CN103151658A (en) * 2013-02-22 2013-06-12 北京小米科技有限责任公司 Data link line as well as method and device for controlling data link line
CN103208661A (en) * 2013-04-24 2013-07-17 惠州Tcl移动通信有限公司 Intelligent terminal and method for carrying out large-current charging
CN105007357A (en) * 2015-08-21 2015-10-28 成都博视广达科技有限责任公司 Mobile phone multi-station parallel testing device and realization method thereof
CN205407946U (en) * 2016-02-25 2016-07-27 北京易诚高科科技发展有限公司 Portable integrated cell -phone testing arrangement of integration

Also Published As

Publication number Publication date
CN105577874A (en) 2016-05-11

Similar Documents

Publication Publication Date Title
CN219164999U9 (en) Oil gas place production information integration sledge and sledge cabinet thereof
CN105577874B (en) The removable integrated mobile phone test device of integration
CN204497850U (en) Secondary equipment of intelligent converting station composite module and interconnecting module standardized interface arrangement
CN205407946U (en) Portable integrated cell -phone testing arrangement of integration
CN206096202U (en) Electronic load
CN206655511U (en) A kind of communications equipment room structure
CN208461214U (en) The whole standing posture plug and play secondary device modular construction of intelligent substation
WO2022098144A1 (en) Trailer-type hybrid power generation system
WO2011049384A2 (en) Network system and method of controlling the same
CN205812011U (en) A kind of test platform of PON upstream gateway terminal unit
CN110187749A (en) A kind of Automated library system device of band UPS function
CN206161613U (en) VOC sensor network monitor
CN208806816U (en) It is integrated with the Underground Pipeline Data gateway of Lora wireless module
CN210983731U (en) Intelligent acquisition device of electric energy meter, electric energy meter and system
CN202335158U (en) WLAN (Wireless Local Area Network) multimedia outdoor working cabinet
CN209560299U (en) A kind of control cabinet of distribution terminal automatic detection platform
CN104617540B (en) The small-sized protective relaying device used suitable for outdoor installation
CN201937618U (en) Mining flame-proof type network controller
CN101976860B (en) Charging unit
CN108598893A (en) The whole standing posture plug and play secondary device modular construction of intelligent substation
CN103956798A (en) Equalizing charge all-in-one machine
CN206712818U (en) Split type wireless router is used in bedroom
CN204631727U (en) A kind of iron and steel remote centralized metering integrated rack
CN110104070A (en) Robot chassis and robot
CN203643439U (en) Water quality analysis modular digital transmitter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Integrated and movable mobile phone test device

Effective date of registration: 20190808

Granted publication date: 20180619

Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee

Pledgor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Registration number: Y2019990000042

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210714

Granted publication date: 20180619

Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee

Pledgor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Registration number: Y2019990000042

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20160511

Assignee: Zhongguancun Technology Leasing Co.,Ltd.

Assignor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Contract record no.: X2022980003097

Denomination of invention: Integrated mobile phone test device

Granted publication date: 20180619

License type: Exclusive License

Record date: 20220323

EE01 Entry into force of recordation of patent licensing contract
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Integrated mobile phone test device

Effective date of registration: 20220324

Granted publication date: 20180619

Pledgee: Zhongguancun Technology Leasing Co.,Ltd.

Pledgor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Registration number: Y2022980003183

PE01 Entry into force of the registration of the contract for pledge of patent right
EC01 Cancellation of recordation of patent licensing contract

Assignee: Zhongguancun Technology Leasing Co.,Ltd.

Assignor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Contract record no.: X2022980003097

Date of cancellation: 20240329

EC01 Cancellation of recordation of patent licensing contract
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20180619

Pledgee: Zhongguancun Technology Leasing Co.,Ltd.

Pledgor: BEIJING E-CREDENCE INFORMATION TECHNOLOGY Co.,Ltd.

Registration number: Y2022980003183

PC01 Cancellation of the registration of the contract for pledge of patent right