CN201563343U - Board-to-board shielding module structure and electronic equipment with same - Google Patents
Board-to-board shielding module structure and electronic equipment with same Download PDFInfo
- Publication number
- CN201563343U CN201563343U CN2009202926150U CN200920292615U CN201563343U CN 201563343 U CN201563343 U CN 201563343U CN 2009202926150 U CN2009202926150 U CN 2009202926150U CN 200920292615 U CN200920292615 U CN 200920292615U CN 201563343 U CN201563343 U CN 201563343U
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- printed circuit
- circuit board
- pcb
- plate
- screening cover
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to a board-to-board shielding module structure and electronic equipment with same. The board-to-board shielding module structure is arranged in the electronic equipment which is provided with a first printed circuit board and a second printed circuit board that are arranged oppositely and in parallel, while the board-to-board shielding module structure is arranged between the first printed circuit board and the second printed circuit board oppositely and in parallel; furthermore, the periphery of the board-to-board shielding module structure is provided with a plurality of positioning elements respectively toward the first printed circuit board and the second printed circuit board in a staggered way; and at least two positioning elements are respectively protruded with a grounding component. The utility model also provides the electronic equipment with the board-to-board shielding module structure. Therefore, in the board-to-board shielding module structure of the utility model, the positioning elements which can be arranged in the staggered way can conveniently position the printed circuit boards and shorten the distance of the board-to-board, and simultaneously the electronic equipment achieves thin type and miniaturization type.
Description
Technical field
The utility model relates to a kind of shielding construction, particularly relate to a kind of shorten plate to spacing between the plate and the plate that is easy to locate to plate shroud module structure and electronic equipment with this structure.
Background technology
Consumer electronic device towards light, thinning design and cheaply direction develop, what the internal structure space was relative is compressed, but also because of electronic component or mechanism design bottleneck, making can't be lightening very significantly or reduce cost.
See also shown in Figure 1A, Figure 1B and Fig. 1 C, Figure 1A is the exploded view of existing known plate to the plate shielding construction.Figure 1B is the end view of existing known plate to the plate shielding construction.Fig. 1 C is the partial enlarged drawing of existing known plate to the plate shielding construction.At the noise of electronic component on single printed circuit board (PCB) or the shielding of electromagnetic interference, how to be formed (figure does not show) in conjunction with a metal covering lid at present with a metal framework; But under the stacked structure of existing known plate to plate shielding construction 3 of two printed circuit board (PCB)s 301,302, do shielding for electronic component, then need 33,34 and two metal covering lids of each two metal framework 31,32 to form, use the electronic component on printed circuit board (PCB) 301,302 is carried out the shielding of noise and/or electromagnetic interference.
Because under the stacked structure of plate to plate, spacing A therebetween is the maximum height limit B1, the B2 that comprise electronic component and the distance C between two covering lids 31,32, in other words, the spacing A of two printed circuit board (PCB)s 301,302 is the maximum height limit B1, the B2 that are confined to electronic component and the distance C between two covering lids 31,32; And for general design of electronic devices, its inner space is limited, therefore spacing A is limited to and is too near and influence each other for fear of the distance between electronic component, therefore must consider its height when selecting electronic component, also thereby have influence on the flexibility ratio of selecting electronic component.
In addition, owing to must use two groups of metal covering lids and metal framework, not only increase cost, also increased the thickness of total, comparatively speaking, but that the usage space in the inner space of electronic equipment then becomes is littler, then can't make electronic equipment reach the purpose of slimming and miniaturization.
And because plate need increase copper post or sub-assembly to avoid interfering mutually and the problem of assembling position location to the stacked structure of plate, not only take a lot of work when assembling or dismounting, also increased cost simultaneously.
This shows, above-mentioned existing plate to plate shroud module structure and electronic equipment with this structure structure with use, obviously still have inconvenience and defective, and demand urgently further being improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore plate how to found a kind of new structure is to plate shroud module structure and electronic equipment with this structure, real one of the current important research and development problem that belongs to, and also becoming the current industry utmost point needs improved target.
Summary of the invention
The purpose of this utility model is, overcome existing plate to plate shroud module structure and have the defective that the electronic equipment of this structure exists, and the plate that a kind of new structure is provided is to plate shroud module structure and electronic equipment with this structure, technical problem to be solved is to make it can shorten plate to the spacing between the plate, dwindle the inner space of electronic equipment, to reach slimming and miniaturization, be very suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.A kind of plate that foundation the utility model proposes is to plate shroud module structure, be arranged in the electronic equipment, this electronic equipment has one first printed circuit board (PCB) and relatively and second printed circuit board (PCB) that be arranged in parallel, this plate be parallel to plate shroud module structure and relatively be arranged on this first printed circuit board (PCB) and this second printed circuit board (PCB) between, and its periphery is staggeredly equipped with respectively a plurality of keepers towards this first printed circuit board (PCB) and this second printed circuit board (PCB), and wherein at least two keepers have respectively protruded out an earthing member.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid plate is a screening cover to plate shroud module structure, and this screening cover is that metal material is made.
Aforesaid plate is to plate shroud module structure, wherein said screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
Aforesaid plate includes a screening cover and a shielding frame to plate shroud module structure, and this shielding frame is arranged between this screening cover and this first printed circuit board (PCB) or this second printed circuit board (PCB), and this screening cover and this shielding frame are that metal material is made.
Aforesaid plate is to plate shroud module structure, wherein said screening cover and this shielding frame and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
Aforesaid plate is to plate shroud module structure, include a screening cover and two shielding frames, this two shielding frame is to be separately positioned between this screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB), and this screening cover and this two shielding frame are that metal material is made.
Aforesaid plate is to plate shroud module structure, wherein said screening cover and this two shielding frame and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
The purpose of this utility model and solve its technical problem and also realize by the following technical solutions.According to a kind of electronic equipment that the utility model proposes, it comprises: a shell; One first printed circuit board (PCB) is arranged in this shell; One second printed circuit board (PCB) is arranged in this shell, and relative with this first printed circuit board (PCB) and be arranged in parallel; And one plate to plate shroud module structure, be parallel and be oppositely arranged on this first printed circuit board (PCB) and this second printed circuit board (PCB) between, and its periphery is staggeredly equipped with respectively a plurality of keepers towards this first printed circuit board (PCB) and this second printed circuit board (PCB), and wherein at least two keepers have respectively protruded out an earthing member.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid electronic equipment, wherein said plate is a screening cover to plate shroud module structure, this screening cover is that metal material is made.
Aforesaid electronic equipment, wherein said screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
Aforesaid electronic equipment, wherein said plate includes a screening cover and a shielding frame to plate shroud module structure, this shielding frame is arranged between this screening cover and this first printed circuit board (PCB) or this second printed circuit board (PCB), and this screening cover and this shielding frame are that metal material is made.
Aforesaid electronic equipment, wherein said screening cover and this shielding frame and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
Aforesaid electronic equipment, wherein said plate includes a screening cover and two shielding frames to plate shroud module structure, this two shielding frame is separately positioned between this screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB), and this screening cover and this two shielding frame are that metal material is made.
Aforesaid electronic equipment, wherein said screening cover and this two shielding frame and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all roughly rectangular, and this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
Aforesaid electronic equipment is a mobile phone, a GPS (Global Position System) or a digital camera.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model plate has following advantage and beneficial effect at least to plate shroud module structure and electronic equipment with this structure: plate of the present utility model to plate shroud module structure and electronic equipment with this structure can increase electronic component selectivity, be easy to locate with man-hour of reducing assembly and disassembly and reduced cost.
In sum, the utility model relates to a kind of plate to plate shroud module structure and electronic equipment with this structure.This plate is to plate shroud module structure, be arranged in the electronic equipment of first printed circuit board (PCB) that has relatively and be arranged in parallel and second printed circuit board (PCB), and plate is parallel to plate shroud module structure and relatively be arranged on first printed circuit board (PCB) and second printed circuit board (PCB) between, and its periphery is staggeredly equipped with respectively a plurality of keepers towards first printed circuit board (PCB) and second printed circuit board (PCB), and wherein at least two keepers have respectively protruded out an earthing member.The utility model also provides a kind of electronic equipment with said structure.By this, the utility model can be so that with the printed circuit board (PCB) location with the keeper that is crisscross arranged, and has shortened plate to the spacing between the plate, reaches the slimming and the miniaturization of electronic equipment simultaneously.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1A is the exploded view of existing known plate to the plate shielding construction.
Figure 1B is the end view of existing known plate to the plate shielding construction.
Fig. 1 C is the partial enlarged drawing of existing known plate to the plate shielding construction.
Fig. 2 is that the utility model electronic equipment is the stereogram of example with the mobile phone.
Fig. 3 is that the utility model electronic equipment is the stereogram of example with the GPS (Global Position System).
Fig. 4 A is the STRUCTURE DECOMPOSITION figure of the utility model one first preferred embodiment.
Fig. 4 B is the end view of the utility model first preferred embodiment.
Fig. 4 C is the partial enlarged drawing of the utility model first preferred embodiment.
Fig. 5 A is the STRUCTURE DECOMPOSITION figure of the utility model one second preferred embodiment.
Fig. 5 B is the end view of the utility model second preferred embodiment.
Fig. 5 C is the partial enlarged drawing of the utility model second preferred embodiment.
Fig. 6 A is the STRUCTURE DECOMPOSITION figure of the utility model 1 the 3rd preferred embodiment.
Fig. 6 B is the end view of the utility model the 3rd preferred embodiment.
Fig. 6 C is the partial enlarged drawing of the utility model the 3rd preferred embodiment.
1a: mobile phone 11a: key zone
12a: viewing area 13a: articulating region
1b: GPS (Global Position System) 11b: key zone
12b: viewing area 13b: articulating region
10: 101: the first printed circuit board (PCB)s of casing
Printed circuit board (PCB) 2 in 102: the second: plate is to plate shroud module structure
20: keeper 201: earthing member
21: screening cover 22: shielding frame
23: shielding frame 3: known plate is to the plate shielding construction
31: covering lid 32: covering lid
33: metal framework 34: metal framework
301: printed circuit board (PCB) 302: printed circuit board (PCB)
A: spacing B1: electronic component maximum height limit
B2: electronic component maximum height limit C: distance
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the plate that the utility model proposes to plate shroud module structure and have its embodiment of electronic equipment, structure, feature and the effect thereof of this structure, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means that predetermined purpose takes and effect to obtain one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Please consult Fig. 2 and shown in Figure 3 simultaneously, Fig. 2 is that the utility model electronic equipment is the stereogram of example with the mobile phone.Fig. 3 is that the utility model electronic equipment is the stereogram of example with the GPS (Global Position System).Electronic equipment of the present utility model can (GLOBAL POSITIONING SYSTEM, GPS as shown in Figure 3), also can be digital camera etc., but not as limit for proficiency machine 1a (as shown in Figure 2) or GPS (Global Position System) 1b; And be follow-up convenient narration, be that example describes below with the mobile phone.
As shown in Figure 2, mobile phone 1a comprises a casing 10, it roughly is rectangular-shaped structure, and mobile phone 1a has more a key zone 11a, a viewing area 12a and an articulating region 13a, and the inside of casing 10 is provided with one first printed circuit board (PCB) 101 and one second printed circuit board (PCB) 102 (shown in Fig. 4 A).
And when electronic equipment is GPS (Global Position System) 1b (as shown in Figure 3), its structure roughly identical (as shown in Figure 2) with mobile phone 1a, have key zone 11b, viewing area 12b and articulating region 13b, but also viewing area 12b and articulating region 13b can only be arranged, wherein viewing area 12b can be touch panel (figure does not show), carry out the input of information by touch control manner, and need not establish key zone 11a in addition as mobile phone 1a.
Plate of the present utility model is to be folded between first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102 to plate shroud module structure 2.See also shown in Fig. 4 A, Fig. 4 B and Fig. 4 C, Fig. 4 A is the STRUCTURE DECOMPOSITION figure of the utility model one first preferred embodiment.Fig. 4 B is the end view of the utility model first preferred embodiment.Fig. 4 C is the partial enlarged drawing of the utility model first preferred embodiment.The plate of present embodiment is a screening cover 21 to plate shroud module structure 2.
Therefore, by being crisscross arranged of the keeper 20 of screening cover 21, can position first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102 simultaneously, its locate mode can be welding, interlocking or clamping etc., not as limit; And with respect to the aforementioned prior art plate to the spacing A between the plate, reduced the distance C between two covering lids 31,32 in Fig. 1, therefore for spacing A, only consider that electronic component maximum height limit B1, B2 get final product, use to reach and shorten plate, make electronic equipment reach slimming and miniaturization the distance between the plate.
In addition,, can make first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102 be connected to same earth connection simultaneously, make voltage quasi position identical again by protruding out the earthing member 201 that is arranged on keeper 20.
Please consult shown in Fig. 5 A, Fig. 5 B and Fig. 5 C, Fig. 5 A is the STRUCTURE DECOMPOSITION figure of the utility model one second preferred embodiment again.Fig. 5 B is the end view of the utility model second preferred embodiment.Fig. 5 C is the partial enlarged drawing of the utility model second preferred embodiment.The plate of present embodiment comprises a screening cover 21 and a shielding frame 22 to plate shroud module structure 2.
If the electronic component on first printed circuit board (PCB) 101 is subject to electromagnetic interference and produces operate miss, then shielding frame 22 can be arranged on (figure does not show) between first printed circuit board (PCB) 101 and the screening cover 21; If the electronic component on second printed circuit board (PCB) 102 is vulnerable to electromagnetic interference and produces operate miss, promptly shielding frame 22 can be arranged on (shown in Fig. 5 A) between second printed circuit board (PCB) 102 and the screening cover 21.
In the same manner, by being crisscross arranged of the keeper 20 of screening cover 21, can position first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102 simultaneously, its locate mode can be welding, interlocking or clamping etc., not as limit; And with respect to the aforementioned prior art plate to the spacing A between the plate, reduced the distance C between two covering lids 31,32 that illustrate as Fig. 1 C, therefore for spacing A, only consider that electronic component maximum height limit B1, B2 get final product, use to reach and shorten plate, make electronic equipment reach slimming and miniaturization the distance between the plate.
In addition, please consult shown in Fig. 6 A, Fig. 6 B and Fig. 6 C, Fig. 6 A is the STRUCTURE DECOMPOSITION figure of the utility model 1 the 3rd preferred embodiment again.Fig. 6 B is the end view of the utility model the 3rd preferred embodiment.Fig. 6 C is the partial enlarged drawing of the utility model the 3rd preferred embodiment.The plate of present embodiment comprises a screening cover 21 and two shielding frames 22,23 to plate shroud module structure 2.
Therefore, by being crisscross arranged of the keeper 20 of screening cover 21, can position first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102 simultaneously, its locate mode can be welding, interlocking or clamping etc., not as limit; And with respect to the aforementioned prior art plate to the spacing A between the plate, reduced the distance C between two covering lids 31,32 that illustrate as Fig. 1 C, therefore for spacing A, only consider that electronic component maximum height limit B1, B2 get final product, use to reach and shorten plate, make electronic equipment reach slimming and miniaturization the distance between the plate.
By said structure, utilize the keeper that is crisscross arranged 20 of metal material screening cover 21 to carry out location simultaneously to first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102, to dwindle first printed circuit board (PCB) 101 and second printed circuit board (PCB), 102 plates, increase the interior space of electronic equipment so that carry out the configuration of other function element to the interval between the plate; And make first printed circuit board (PCB) 101 consistent simultaneously with the earthing member 201 that is arranged on the keeper 20 simultaneously with the accurate position of the ground connection of second printed circuit board (PCB) 102, not only more can shorten the interval between first printed circuit board (PCB) 101 and second printed circuit board (PCB) 102, more can avoid the gap of voltage quasi position.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (11)
1. a plate is arranged in the electronic equipment plate shroud module structure, and this electronic equipment has one first printed circuit board (PCB) and relatively and second printed circuit board (PCB) that be arranged in parallel, and this plate is characterised in that plate shroud module structure:
This plate be parallel to plate shroud module structure and relatively be arranged on this first printed circuit board (PCB) and this second printed circuit board (PCB) between, and its periphery is staggeredly equipped with respectively a plurality of keepers towards this first printed circuit board (PCB) and this second printed circuit board (PCB), and wherein at least two keepers have respectively protruded out an earthing member.
2. plate according to claim 1 is characterized in that to plate shroud module structure wherein this plate is a screening cover to plate shroud module structure, and this screening cover is the metallic shield lid.
3. plate according to claim 1 is to plate shroud module structure, it is characterized in that wherein this plate includes a screening cover and a shielding frame to plate shroud module structure, this shielding frame is arranged between this screening cover and this first printed circuit board (PCB) or this second printed circuit board (PCB), and this screening cover and this shielding frame are metallic shield lid and metallic shield framework.
4. plate according to claim 1 is to plate shroud module structure, it is characterized in that wherein this plate includes a screening cover and two shielding frames to plate shroud module structure, this two shielding frame is to be separately positioned between this screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB), and this screening cover and this two shielding frame are metallic shield lid and metallic shield framework.
According to the described plate of the arbitrary claim of claim 2 to 4 to plate shroud module structure, it is characterized in that wherein said screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all rectangular, this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
6. electronic equipment is characterized in that it comprises:
One shell;
One first printed circuit board (PCB) is arranged in this shell;
One second printed circuit board (PCB) is arranged in this shell, and relative with this first printed circuit board (PCB) and be arranged in parallel; And
One plate is to plate shroud module structure, be parallel and be oppositely arranged on this first printed circuit board (PCB) and this second printed circuit board (PCB) between, and its periphery is staggeredly equipped with respectively a plurality of keepers towards this first printed circuit board (PCB) and this second printed circuit board (PCB), and wherein at least two keepers have respectively protruded out an earthing member.
7. electronic equipment according to claim 6 is characterized in that wherein said plate is a screening cover to plate shroud module structure, and this screening cover is the metallic shield lid.
8. electronic equipment according to claim 6, it is characterized in that wherein said plate includes a screening cover and a shielding frame to plate shroud module structure, this shielding frame is arranged between this screening cover and this first printed circuit board (PCB) or this second printed circuit board (PCB), and this screening cover and this shielding frame are metallic shield lid and metallic shield framework.
9. electronic equipment according to claim 6, it is characterized in that wherein said plate includes a screening cover and two shielding frames to plate shroud module structure, this two shielding frame is separately positioned between this screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB), and this screening cover and this two shielding frame are metallic shield lid and metallic shield framework.
10. according to the described electronic equipment of the arbitrary claim of claim 7 to 9, it is characterized in that wherein said screening cover and this first printed circuit board (PCB) and this second printed circuit board (PCB) are all rectangular, this earthing member is arranged on four keepers in this first printed circuit board (PCB) and contiguous these four corners of screening cover.
11. electronic equipment according to claim 6 is characterized in that wherein this electronic equipment is a mobile phone, a GPS (Global Position System) or a digital camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202926150U CN201563343U (en) | 2009-12-16 | 2009-12-16 | Board-to-board shielding module structure and electronic equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202926150U CN201563343U (en) | 2009-12-16 | 2009-12-16 | Board-to-board shielding module structure and electronic equipment with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563343U true CN201563343U (en) | 2010-08-25 |
Family
ID=42628493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202926150U Expired - Fee Related CN201563343U (en) | 2009-12-16 | 2009-12-16 | Board-to-board shielding module structure and electronic equipment with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563343U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133180A1 (en) * | 2017-01-17 | 2018-07-26 | 华为技术有限公司 | Multilayer circuit board protection mechanism |
| CN115884583A (en) * | 2021-09-30 | 2023-03-31 | 荣耀终端有限公司 | Circuit board assembly and electronic equipment |
-
2009
- 2009-12-16 CN CN2009202926150U patent/CN201563343U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133180A1 (en) * | 2017-01-17 | 2018-07-26 | 华为技术有限公司 | Multilayer circuit board protection mechanism |
| CN115884583A (en) * | 2021-09-30 | 2023-03-31 | 荣耀终端有限公司 | Circuit board assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121216 |