CN209281387U - Plug the lighting jig of control circuit and display panel - Google Patents
Plug the lighting jig of control circuit and display panel Download PDFInfo
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- CN209281387U CN209281387U CN201821986557.7U CN201821986557U CN209281387U CN 209281387 U CN209281387 U CN 209281387U CN 201821986557 U CN201821986557 U CN 201821986557U CN 209281387 U CN209281387 U CN 209281387U
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- control circuit
- safe digital
- card slot
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Abstract
The utility model embodiment discloses a kind of lighting jig for plugging control circuit and display panel.Wherein, which includes: safe digital memory card slot；Power supply；The first end of switch module, switch module is electrically connected to a power source, and the second end of switch module is electrically connected with the energization pins of safe digital memory card slot；The first input end of control circuit, control circuit is electrically connected with the plug state of safe digital memory card slot detection pin, and the first output end of control circuit is electrically connected with the control terminal of switch module；Control circuit is used to detect the level state of pin, the first end of control switch module and the on off operating mode of second end according to the plug state of safe digital memory card slot.The safety and reliability that safe digital storage card uses can be improved in the technical solution of the utility model embodiment.
Description
Technical field
The utility model relates to the lightings of field of display technology more particularly to a kind of plug control circuit and display panel to control
Tool.
Background technique
Display panel is after completing, it usually needs carries out lighting test to display panel using lighting jig, i.e.,
Load signal is carried out to the test point on display panel by lighting jig, to test the display quality of display panel.SD card
(Secure Digital Memory Card, safe digital storage card) is a kind of storage card based on semiconductor flash memory technique,
Multifunctional storage card with the various features such as large capacity, read or write speed fast, high-performance, safety.Usually display panel is needed
The grey menu and pictorial information of display and the timing control information of various sizes of display panel, copy in SD card, with
It is used for lighting jig.
The whole system plate power supply of lighting jig is usually turned off manually in tester, then plugs again to SD card, but
It is that not can avoid generation maloperation, i.e. hot plugging SD card (SD card hot plug) causes SD card to damage, information read error, very
To damage whole system, the testing efficiency of display panel is reduced.
Utility model content
The utility model embodiment provides a kind of lighting jig for plugging control circuit and display panel, to improve safe number
The safety and reliability that code storage card uses, when avoiding tester that maloperation occurs, i.e., hot plugging SD card (insert by SD card heat
Pull out), cause SD card to damage, information read error, in addition damage whole system, the case where reducing the testing efficiency of display panel.
In a first aspect, the utility model embodiment provides a kind of plug control circuit, comprising:
Safe digital memory card slot；
Power supply；
The first end of switch module, switch module is electrically connected to a power source, and the second end and safe digital of switch module store
The energization pins of card card slot are electrically connected；
Control circuit, the first input end of control circuit and the plug state detection pin electricity of safe digital memory card slot
Connection, the first output end of control circuit are electrically connected with the control terminal of switch module；
Control circuit is used to detect the level state of pin according to the plug state of safe digital memory card slot, and control is opened
Close the first end of module and the on off operating mode of second end.
Further, safe digital memory card slot is provided with a conductive spring leaf, and safe digital memory card slot connects
Ground pin ground connection,
Conductive spring leaf is used to squeeze conductive spring leaf when safe digital storage card is inserted into safe digital memory card slot
Free end, change safe digital memory card slot plug state detection pin and grounding pin status of electrically connecting.
Further, safe digital storage card is provided with multiple golden fingers, and safe digital memory card slot is provided with multiple
Contact,
Multiple golden fingers and multiple contacts correspond, contact compared to conductive spring leaf free end close to safe digital
The insert port end of memory card slot.
It further, further include first resistor, the first end of first resistor is electrically connected to a power source, the second end of first resistor
It is electrically connected with the first input end of control circuit.
Further, switch module includes MOS transistor, triode or relay.
Further, control circuit further includes the second input terminal, and the second input terminal and safe digital of control circuit store
The energization pins of card card slot are electrically connected,
Control circuit is used to detect the level of pin and energization pins according to the plug state of safe digital memory card slot
State, the first end of control switch module and the on off operating mode of second end.
Further, control circuit further includes communication ends, communication ends and the safe digital memory card slot of control circuit
Communications pins electrical connection,
Control circuit is also used to the number information of the safe digital storage card according to reading, the first end of control switch module
With the on off operating mode of second end.
It further, further include warning circuit, warning circuit is electrically connected with the second output terminal of control circuit,
Control circuit is also used to detect the electricity of pin and energization pins according to the plug state of safe digital memory card slot
Level state, and/or, whether the number information of the safe digital storage card of reading, control warning circuit alarms.
Further, warning circuit includes following at least one: light emitting diode and buzzer.
Second aspect, the utility model embodiment additionally provide a kind of lighting jig of display panel, comprising: safe digital
The plug control circuit that storage card and the utility model any embodiment provide,
Control circuit is also used to the image information that safe digital storage card stores being converted into display control signal, and exports
To tested display panel.
The first end of switch module is electrically connected to a power source by the technical solution of the utility model embodiment, and the of switch module
Two ends are electrically connected with the energization pins of safe digital memory card slot；The first input end and safe digital storage card of control circuit
The plug state detection pin electrical connection of card slot, the first output end of control circuit are electrically connected with the control terminal of switch module；Control
Circuit processed is used to detect the level state of pin according to the plug state of safe digital memory card slot, and the of control switch module
The on off operating mode of one end and second end, so that before safe digital storage card is inserted into safe digital memory card slot, safe digital
The energization pins of memory card slot are off-position, after safe digital storage card is inserted into safe digital memory card slot, control
The conducting of the first end and second end of circuit controling switch module deposits power supply to safe digital through safe digital memory card slot
Card storage power supply, to cause SD card to damage when avoiding tester with SD card is electrically interposed in, information read error, or even damage are whole
A system, the case where reducing the testing efficiency of display panel, to improve the safety and reliability that safe digital storage card uses.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for plugging control circuit provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another plug control circuit provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of the lighting jig of display panel provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
The utility model embodiment provides a kind of plug control circuit.Fig. 1 is one kind provided by the embodiment of the utility model
Plug the structural schematic diagram of control circuit.The plug control circuit can be applied to safe digital storage card.The plug control circuit
It include: safe digital memory card slot 110, power supply 120, switch module 130 and control circuit 140.
Wherein, the first end N1 of switch module 130 is electrically connected with power supply 120, the second end N2 and safety of switch module 130
The energization pins VDD of digital memory card card slot 110 is electrically connected；The first input end In1 and safe digital of control circuit 140 are stored
The plug state detection pin sd electrical connection of card card slot 110, the first output end Out1 and switch module 130 of control circuit 140
Control terminal Ctr1 electrical connection；Control circuit 140 is used to detect pin according to the plug state of safe digital memory card slot 110
The level state of sd, the on off operating mode of the first end N1 and second end N2 of control switch module 130.
Wherein, control circuit 140 may include following at least one: field programmable gate array (Field-
Programmable Gate Array, FPGA) and micro-control unit (Microcontroller Unit, MCU).Optionally, it opens
Closing module 130 includes MOS transistor, triode or relay.The level state may include high level state and low level shape
State.Control circuit 140 detects the level state of pin sd by the plug state of detection safe digital memory card slot 110, comes
Determine whether safe digital storage card is inserted into safe digital memory card slot 110.
Concrete operating principle: when safe digital storage card is inserted into safe digital memory card slot 110, safe digital is deposited
The level state of the plug state detection pin sd of card storage card slot 110 will be the first level state by second electrical level state transition
(wherein, the first level state is opposite with the logic of second electrical level state), control circuit 140 will test safe digital storage card
The level state of the plug state detection pin sd of card slot 110 is the first level state, by the first end of control switch module 130
The conducting of N1 and second end N2 after detecting safe digital storage card insertion safe digital memory card slot 110, then make power supply
120 power through safe digital memory card slot 110 to safe digital storage card, are inserted into safety to avoid in safe digital storage card
Before digital memory card card slot 110, the energization pins of safe digital memory card slot 110 have been charged, and lead to safe digital storage card
It is damaged when being inserted into the safe digital memory card slot 110 of electrification；When by safe digital storage card from safe digital storage card
When card slot 110 is extracted, the level state of the plug state detection pin sd of safe digital memory card slot 110 will be by the first level
State transition is the second electrical level state opposite with the first level state logic, and control circuit 140 will test safe digital and deposit
The level state of the plug state detection pin sd of card storage card slot 110 is second electrical level state, by the of control switch module 130
The shutdown of one end N1 and second end N2 make when detecting that safe digital storage card is extracted from safe digital memory card slot 110
Power supply 120 stops powering to safe digital storage card.First level state can be high level state or low level state.
The first end of switch module is electrically connected to a power source by the technical solution of the present embodiment, the second end and peace of switch module
The energization pins of full digital code memory card slot are electrically connected；The first input end of control circuit and inserting for safe digital memory card slot
The electrical connection of state-detection pin is pulled out, the first output end of control circuit is electrically connected with the control terminal of switch module；Control circuit is used
In the level state for detecting pin according to the plug state of safe digital memory card slot, the first end of control switch module and the
The on off operating mode at two ends, so that before safe digital storage card is inserted into safe digital memory card slot, safe digital storage card card
The energization pins of slot are off-position, after safe digital storage card is inserted into safe digital memory card slot, control circuit control
The conducting of the first end and second end of switch module supplies that power supply to safe digital storage card through safe digital memory card slot
Electricity, thus cause SD card to damage when avoiding tester with SD card is electrically interposed in, information read error, or even damage whole system,
The case where reducing the testing efficiency of display panel, to improve the safety and reliability that safe digital storage card uses.
The utility model embodiment provides another plug control circuit.Fig. 2 be it is provided by the embodiment of the utility model again
A kind of structural schematic diagram plugging control circuit.On the basis of the above embodiments, safe digital memory card slot 110 is provided with
One conductive spring leaf 111, the grounding pin VSS ground connection of safe digital memory card slot 110, conductive spring leaf 111 is for pacifying
When full digital code storage card 210 is inserted into safe digital memory card slot 110, the free end 113 of conductive spring leaf 111 is squeezed, is changed
The status of electrically connecting of plug state detection the pin sd and grounding pin VSS of safe digital memory card slot 110.
Wherein, Fig. 2 is illustratively drawn when safe digital storage card 210 is not inserted into safe digital memory card slot 110
Situation, safe digital memory card slot 110 are provided with a conductive sheet, can divide the fixing end and conductive sheet of conductive spring leaf 111
It is not electrically connected and (is not drawn into figure) with grounding pin VSS and plug state detection pin sd.Illustratively, as shown in Fig. 2, when peace
When full digital code storage card 210 is not inserted into safe digital memory card slot 110, the free end 113 of conductive spring leaf 111 and conductive sheet
115 do not contact, then the plug state detection pin sd and grounding pin VSS of safe digital memory card slot 110 is electrically connected shape
State is to disconnect, so that plug state detection pin sd is high level state；It is deposited when safe digital storage card 210 is inserted into safe digital
When card storage card slot 110, the free end 113 of conductive spring leaf 111 is squeezed, the free end 113 of conductive spring leaf 111 will be with conductive sheet
115 contacts, then the plug state of safe digital memory card slot 110 detects the status of electrically connecting of pin sd and grounding pin VSS
To connect, so that plug state detection pin sd is low level state.
Optionally, on the basis of the above embodiments, with continued reference to Fig. 2, plugging control circuit further includes first resistor R1,
The first end of first resistor R1 is electrically connected with power supply 120, the second end of first resistor R1 and the first input end of control circuit 140
In1 electrical connection.
Wherein, when the free end of conductive spring leaf 111 113 and conductive sheet 115 do not contact, safe digital memory card slot
The status of electrically connecting of 110 plug state detection pin sd and grounding pin VSS is to disconnect, safe digital memory card slot 110
Plug state detection pin sd be high level state；When safe digital storage card 210 is inserted into safe digital memory card slot 110
When, the free end 113 of conductive spring leaf 111 is squeezed, the free end 113 of conductive spring leaf 111 will be contacted with conductive sheet 115, then
The status of electrically connecting of the plug state detection pin sd and grounding pin VSS of safe digital memory card slot 110 is to connect, safety
The plug state detection pin sd of digital memory card card slot 110 is low level state.
The utility model embodiment provides another plug control circuit.On the basis of the above embodiments, with continued reference to
Fig. 2, safe digital storage card 210 are provided with multiple golden fingers 211, and safe digital memory card slot 110 is provided with multiple contacts
112, multiple golden fingers 211 are corresponded with multiple contacts 112, free end 113 of the contact 112 compared to conductive spring leaf 111
Close to the insert port end 114 of safe digital memory card slot 110.
Wherein, each contact 112 of safe digital memory card slot 110 is respectively arranged with a pin, and electric with the pin
Connection.The distance between contact 112 and insert port end 114 are D1, the free end 113 and insert port end 114 of conductive spring leaf 111
The distance between be D2, wherein D1 be less than D2.When safe digital storage card 210 is gradually inserted safe digital memory card slot 110
When, the contact 112 of safe digital memory card slot 110 is first contacted with the golden finger 211 of safe digital storage card 210, conductive bullet
It is contacted after the free end 113 of reed 111 and conductive sheet 115；When safe digital storage card 210 is gradually from safe digital storage card card
When slot 110 is extracted, the free end 113 of conductive spring leaf 111 is first separated with conductive sheet 115, safe digital memory card slot 110
It is separated after contact 112 and the golden finger 211 of safe digital storage card 210, therefore control circuit 140 first detects that safe digital stores
The plug state detection pin sd of card card slot 110 is high level state, then the first end N1 and second end of control switch module 130
The shutdown of N2, the contact 112 of safe digital memory card slot 110 connects with the golden finger 211 of safe digital storage card 210 at this time
Touching first disconnects power supply of the power supply 120 through safe digital memory card slot 110 to safe digital storage card 210, then makes to count safely
Code storage card 210 is extracted completely, be can avoid tester's electrification and is extracted SD card, the i.e. confession in safe digital memory card slot 110
Electric pin extracts SD card when charging, and SD card is caused to damage, or even damage whole system, reduces the feelings of the testing efficiency of display panel
Condition, to improve the safety and reliability that safe digital storage card uses.
The utility model embodiment provides another plug control circuit.On the basis of the above embodiments, with continued reference to
Fig. 2, control circuit 140 further include the second input terminal In2, the second input terminal In2 and safe digital storage card of control circuit 140
The energization pins VDD of card slot 110 is electrically connected, and control circuit 140 is used for the plug state according to safe digital memory card slot 110
Detect the level state of pin sd and energization pins VDD, the on-off shape of the first end N1 and second end N2 of control switch module 130
State.
Wherein, control circuit 140 is the in the plug state detection pin sd for detecting safe digital memory card slot 110
When one level state, that is, detect that SD card is inserted into, the first end N1 of control switch module 130 is connected with second end N2, then detects
The level state of energization pins VDD illustrates the non-Damage by Short Circuit of SD card if detection energization pins VDD is high level state, if inspection
Survey energization pins VDD is low level state, then illustrates SD card Damage by Short Circuit, by the first end N1 of control switch module 130 and the
Two end N2 shutdown protects late-class circuit to disconnect in time.
The utility model embodiment provides another plug control circuit.On the basis of the above embodiments, with continued reference to
Fig. 2, control circuit 140 further include communication ends, the communication ends of control circuit 140 and the communication of safe digital memory card slot 110
Pin electrical connection, control circuit 140 are also used to the number information of the safe digital storage card 210 according to reading, control switch mould
The on off operating mode of the first end N1 and second end N2 of block 130.
Wherein, each safe digital storage card 210 has respective factory number (i.e. ID number).Control circuit 140 is led to
Believe that end includes multiple signal terminals, such as signal terminal S1, S2, S3 and S4 in Fig. 2, respectively with safe digital memory card slot
110 multiple pin electrical connections for communication.Control circuit 140 is in the plug for detecting safe digital memory card slot 110
State-detection pin sd is the first level state, such as when can be low level state, that is, detects that SD card is inserted into, control is opened
The first end N1 for closing module 130 is connected with second end N2, then detects the level state of energization pins VDD, if detection energization pins
VDD is high level state, then illustrates the non-Damage by Short Circuit of SD card, then initialize again to SD card, and read the number of SD card
Information illustrates SD card operation irregularity if reading the number information less than SD card at this time, then the first end of control switch module 130
N1 and second end N2 is turned off；If reading the number information of SD card, illustrate that SD card is working properly.
The utility model embodiment provides another plug control circuit.On the basis of the above embodiments, with continued reference to
Fig. 2, the plug control circuit further include warning circuit 150, the second output terminal Out2 of warning circuit 150 and control circuit 140
Electrical connection, control circuit 140 is also used to detect pin sd according to the plug state of safe digital memory card slot 110 and power supply is drawn
The level state of foot VDD, and/or, whether the number information of the safe digital storage card 210 of reading, control warning circuit 150 is reported
It is alert.
Wherein, optionally, warning circuit 150 includes following at least one: light emitting diode and buzzer, to realize acousto-optic
Alarm.Control circuit 140 is the first level shape in the plug state detection pin sd for detecting safe digital memory card slot 110
State, such as when can be low level state, that is, detect that SD card is inserted into, the first end N1 and second end of control switch module 130
N2 conducting, if then detection energization pins VDD be low level state, illustrate SD card Damage by Short Circuit, then control warning circuit 150 into
Row alarm.Control circuit 140 is the first level in the plug state detection pin sd for detecting safe digital memory card slot 110
The first end N1 of state, control switch module 130 is connected with second end N2, if then detection energization pins VDD is high level state
Afterwards, if reading the number information less than SD card, illustrate SD card operation irregularity, then control warning circuit 150 and alarm.
It should be noted that if switch module 130 is relay, it, can be with since relay can generate sound in movement
Prompt tester, so when can be not provided with warning circuit.Illustratively, when 140 control switch module 130 of control circuit
After first end N1 is connected with second end N2, detect that energization pins VDD is low level state, alternatively, reading the volume less than SD card
When number information, when the first end N1 and second end N2 of control switch module 130 become shutdown from being connected, the sound can be issued to prompt
Tester confirms whether SD card is damaged.
The utility model embodiment provides a kind of lighting jig of display panel.Fig. 3 provides for the utility model embodiment
A kind of display panel lighting jig structural schematic diagram, the lighting jig 10 of the display panel include: safe digital storage
The plug control circuit that card 210 and the utility model any embodiment provide, control circuit 140 are also used to store safe digital
The image information of 210 storage of card is converted into display control signal, and exports to tested display panel 300.
Wherein, which may include scanning signal and data-signal.The display panel may include liquid crystal
Display panel or organic LED display panel.Fig. 3 illustratively draws safe digital storage card 210 and is inserted into safe digital
The case where when memory card slot 110.Control circuit 140 is in the plug state detection for detecting safe digital memory card slot 110
Pin sd is the first level state, such as when can be low level state, that is, detects that SD card is inserted into, by control switch module
130 first end N1 is connected with second end N2, then detects that energization pins VDD is high level state, then illustrates that SD card is not short-circuit
Damage, then again initializes SD card, and read the number information of SD card, if reading the number information of SD card, says
Bright SD card is working properly, then continues the image information for reading SD card storage, the image information that safe digital storage card 210 is stored
It is converted into display control signal, and is exported to tested display panel 300, to realize the lighting test to tested display panel.
The lighting jig of display panel provided by the embodiment of the utility model includes the plug control electricity in above-described embodiment
Road, thus the lighting jig of display panel provided by the embodiment of the utility model also have it is beneficial described in above-described embodiment
Effect, details are not described herein again.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (10)
1. a kind of plug control circuit characterized by comprising
Safe digital memory card slot；
Power supply；
Switch module, the first end of the switch module and the power electric connection, the second end of the switch module with it is described
The energization pins of safe digital memory card slot are electrically connected；
Control circuit, the first input end of the control circuit and the plug state detection of the safe digital memory card slot are drawn
Foot electrical connection, the first output end of the control circuit are electrically connected with the control terminal of the switch module；
The control circuit is used to detect the level state of pin, control according to the plug state of the safe digital memory card slot
Make the first end of the switch module and the on off operating mode of second end.
2. plug control circuit according to claim 1, which is characterized in that the safe digital memory card slot is provided with
One conductive spring leaf, the grounding pin ground connection of the safe digital memory card slot,
The conductive spring leaf is used to lead described in extruding when safe digital storage card is inserted into the safe digital memory card slot
The free end of electrical spring piece changes the plug state detection pin of the safe digital memory card slot and being electrically connected for grounding pin
Connect state.
3. plug control circuit according to claim 2, which is characterized in that the safe digital storage card is provided with multiple
Golden finger, the safe digital memory card slot are provided with multiple contacts,
The multiple golden finger and the multiple contact correspond, free end of the contact compared to the conductive spring leaf
Close to the insert port end of the safe digital memory card slot.
4. plug control circuit according to claim 2, which is characterized in that it further include first resistor, the first resistor
First end and the power electric connection, the second end of the first resistor and the first input end of the control circuit are electrically connected
It connects.
5. plug control circuit according to claim 1, which is characterized in that the switch module includes MOS transistor, three
Pole pipe or relay.
6. plug control circuit according to claim 1, which is characterized in that the control circuit further includes the second input
End, the second input terminal of the control circuit are electrically connected with the energization pins of the safe digital memory card slot,
The control circuit is used to detect pin and energization pins according to the plug state of the safe digital memory card slot
Level state controls the first end of the switch module and the on off operating mode of second end.
7. plug control circuit according to claim 6, which is characterized in that the control circuit further includes communication ends, institute
The communication ends for stating control circuit are electrically connected with the communications pins of the safe digital memory card slot,
The control circuit is also used to the number information of the safe digital storage card according to reading, controls the of the switch module
The on off operating mode of one end and second end.
8. plug control circuit according to claim 6 or 7, which is characterized in that it further include warning circuit, the alarm electricity
Road is electrically connected with the second output terminal of the control circuit,
The control circuit is also used to detect pin and energization pins according to the plug state of the safe digital memory card slot
Level state, and/or, the number information of the safe digital storage card of reading controls whether the warning circuit alarms.
9. plug control circuit according to claim 8, which is characterized in that the warning circuit includes following at least one
Kind: light emitting diode and buzzer.
10. a kind of lighting jig of display panel characterized by comprising safe digital storage card and claim 1-9 are any
The plug control circuit,
Control circuit is also used to the image information that the safe digital storage card stores being converted into display control signal, and exports
To tested display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986557.7U CN209281387U (en) | 2018-11-29 | 2018-11-29 | Plug the lighting jig of control circuit and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986557.7U CN209281387U (en) | 2018-11-29 | 2018-11-29 | Plug the lighting jig of control circuit and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209281387U true CN209281387U (en) | 2019-08-20 |
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ID=67608842
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821986557.7U Active CN209281387U (en) | 2018-11-29 | 2018-11-29 | Plug the lighting jig of control circuit and display panel |
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| Country | Link |
|---|---|
| CN (1) | CN209281387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111597594A (en) * | 2020-05-15 | 2020-08-28 | 北京星网锐捷网络技术有限公司 | OPS module plug protection device and electronic equipment |
-
2018
- 2018-11-29 CN CN201821986557.7U patent/CN209281387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111597594A (en) * | 2020-05-15 | 2020-08-28 | 北京星网锐捷网络技术有限公司 | OPS module plug protection device and electronic equipment |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |