CN104375642A - Infrared detection device and portable mobile terminal - Google Patents
Infrared detection device and portable mobile terminal Download PDFInfo
- Publication number
- CN104375642A CN104375642A CN201410614162.4A CN201410614162A CN104375642A CN 104375642 A CN104375642 A CN 104375642A CN 201410614162 A CN201410614162 A CN 201410614162A CN 104375642 A CN104375642 A CN 104375642A
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- sensor
- display screen
- receiving end
- infrared
- diaphragm seal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention provides an infrared detection device which is applied in a portable mobile terminal with a display screen. The infrared detection device comprises a sensor assembly. The sensor assembly comprises an isolation device, a sensor transmitting end and a sensor receiving end. Two containing cavities with top openings are defined by the isolation device. The sensor transmitting end and the sensor receiving end are located inside the two different containing cavities respectively, the sensor transmitting end transmits infrared signals through the top opening of the corresponding containing cavity, and the sensor receiving end receives infrared signals through the top opening of the corresponding containing cavity. The infrared detection device further comprises a sealing piece. The sealing piece is made of light-proof materials and is arranged between the sensor assembly and the display screen. The two opposite side faces of the sealing piece are in tight fit with the isolation device and the display screen respectively. The sealing piece is provided with two hollow portions. The two hollow portions correspond to the top openings in the two containing cavities. According to the infrared detection device, it is ensured that the infrared signal receiving end and the infrared signal transmitting end are completely isolated below the display screen, the signals transmitted by the transmitting end and the signals received by the receiving end cannot be crossed below the display screen, and therefore the influence caused by 3D floor noise can be rapidly and conveniently lowered.
Description
Technical field
The present invention relates to touching device field, particularly relate to a kind of infrared detecting device and portable mobile termianl.
Background technology
The portable type electronic products such as mobile phone are along with the development of industry, 3D gesture function is more and more liked by people, its application is also more and more general, 3D gesture is the page turning that a kind of action can imitating people's handspring book realizes e-book or webpage while the display screen not contacting portable mobile apparatus, is one of technology up-to-date in current industry.
Have in the portable type electronic product of 3D gesture function and there is infrared detecting device, be arranged on the below of touch screen, mainly comprise some sensor modules, sensor module comprises isolating device and is isolated device sensor emission end spaced apart from each other, sensor receiving end, 3D gestures detection is realized: sensor emission end launches infrared ray especially by such as under type, infrared ray, through touch eyeglass, shelters from infrared reflection to sensor receiving end when staff streaks above touch screen.The infrared ray of reception is fed back to corresponding process chip by sensor receiving end, and sensor chip determines corresponding 3D gesture command according to the infrared ray that sensor receiving end receives.
But portable type electronic product is in assembling process at present, interstitial spaces is there is between isolating device and touch screen, sealing effectiveness is poor, and the shape and size of sensor also can be made to have certain stochastic error in assembling and process, therefore the transmission and the receiving cable that are difficult to the signal ensureing sensor emission end and sensor receiving end can not disturb mutually, therefore, what sensor receiving end received is likely not block by staff the end noise cancellation signal reflected, these end noise cancellation signals have plenty of that portable type electronic product machine intimate sends, also have plenty of signal that sensor emission end sends to block reflection without staff and directly pass to sensor receiving end, because between sensor, the sensitivity of transmission and Received signal strength is very high, therefore the impact causing portable type electronic product often to make an uproar the end of by and that 3D gesture occurs is malfunctioning, need repeated multiple timesly could realize gesture function, this has had a strong impact on the use of product, but because industry uses the 3D gesture function time short, the current still ubiquity of this problem.
Summary of the invention
The invention provides a kind of infrared detecting device and portable mobile termianl thereof, ensure that IR signal reception end and transmitting terminal are isolated completely below display screen, the signal that the signal that transmitting terminal is sent and receiving end receive can not produce intersection below display screen, thus can reduce the impact of making an uproar at the bottom of 3D gesture quickly and easily.
The invention provides a kind of infrared detecting device, be applied in the portable mobile termianl with display screen, described infrared detecting device comprises a sensor module, described sensor module comprises isolating device, sensor emission end and sensor receiving end, described isolating device is enclosed to form two open-topped cavity volumes, described sensor emission end and sensor receiving end lay respectively in two different cavity volumes, and transmit and receive infrared signal respectively by the open top of place cavity volume, described infrared detecting device also comprises: a diaphragm seal, described diaphragm seal adopts light-proof material, be arranged between described sensor module and described display screen, and the two relative side of described diaphragm seal tightly coordinates with described isolating device and described display screen respectively, described diaphragm seal is provided with two cavern parts, the open top of corresponding described two cavity volumes of described two cavern parts difference.
The embodiment of the present invention also provides a kind of portable mobile termianl, comprising:
Printed circuit board (PCB);
The above-mentioned infrared detecting device be fixed together with described printed circuit board.
Utilize infrared detecting device provided by the invention and portable mobile termianl thereof, there is following beneficial effect: between isolating device and display screen, add diaphragm seal, because sealing sheet adopts resilient material, and be sealed and matched with glass mirror and isolating device, and owing to adopting light-proof material, can guarantee that the infrared ray that sensor emission end sends is not revealed to the transmitting procedure of display screen from open-topped isolating device, and then ensure that the signal transmission between sensor emission end and sensor receiving end can not transmit below display screen, the signal of transmitting terminal can only reflect to sensor receiving end again through glass mirror after staff stops, therefore the present invention can ensure to receive infrared signal end and transmitting terminal and seals completely below display screen and separate, the infrared signal of launching all is emitted by eyeglass, can not at the scattering-in of eyeglass, greatly reduce the impact of making an uproar at the bottom of 3D gesture.
Accompanying drawing explanation
Fig. 1 a is infrared detecting device structural drawing in prior art;
Fig. 1 b is embodiment of the present invention infrared detecting device structural drawing;
Fig. 2 is portable mobile termianl of the present invention entirety assembling schematic diagram;
Fig. 3 is the structural representation that pcb board, earphone base, earphone bracket and infrared detecting device are fixed together by the embodiment of the present invention;
Fig. 4 is for carrying out the diagrammatic cross-section of section online along sensor emission end in structure shown in Fig. 6, sensor receiving end center pit;
Fig. 5 carries out the diagrammatic cross-section of section by the perpendicular line online along sensor emission end in structure shown in Fig. 6, sensor receiving end center pit
Fig. 6 is that the silica gel trepanning of embodiment of the present invention transmitting terminal is designed to taper schematic diagram;
The earphone bracket structural representation that Fig. 7 embodiment of the present invention adopts;
Fig. 8 is that embodiment of the present invention infrared detecting device and earphone bracket fix schematic diagram;
Fig. 9 is the earphone base structural representation that the embodiment of the present invention adopts
Figure 10 is the structural representation that pcb board, earphone base, earphone bracket are fixed together by the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, infrared detecting device provided by the invention and portable mobile termianl thereof are illustrated in greater detail.
The embodiment of the present invention provides a kind of infrared detecting device, be applied in the portable mobile termianl with display screen, described infrared detecting device comprises a sensor module, described sensor module comprises isolating device, sensor emission end and sensor receiving end, described isolating device is enclosed to form two open-topped cavity volumes, described sensor emission end and sensor receiving end lay respectively in two different cavity volumes, and transmit and receive infrared signal respectively by the open top of place cavity volume, described infrared detecting device also comprises:
One diaphragm seal, described diaphragm seal adopts light-proof material, be arranged between described sensor module and described display screen, and the two relative side of described diaphragm seal tightly coordinates with described isolating device and described display screen respectively, described diaphragm seal is provided with two cavern parts, the open top of corresponding described two cavity volumes of described two cavern parts difference.
Preferably, the color of above-mentioned diaphragm seal is black, can guarantee lighttight better effects if.
Traditional infrared detecting device, between wiring board and display screen, sensor device is set, sensor device comprises the mutually isolated sensor emission end of needs and sensor receiving end, with prevent the infrared signal of launching not through eyeglass scatters out at eyeglass scattering-in or gang up, therefore need isolating device sensor transmitting terminal and sensor receiving end to be separated on the one hand, need display screen to coordinate tightly with sensor device on the other hand.But portable type electronic product is in assembling process at present; between isolating device and glass mirror, sealing effectiveness is not fine; can not ensure that sensor emission end and sensor receiving end send and the passage of Received signal strength separates completely below display screen, usually can be subject to the impact of noise cancellation signal on earth.
The embodiment of the present invention is on the basis of existing infrared detecting device, add one deck isolating seal device-diaphragm seal more, in order to make an uproar in the end of eliminating 3D gesture, diaphragm seal must be lighttight, guarantee that infrared ray is not revealed, in order to realize coordinating with the tight of glass mirror, the material of sealing sheet preferably uses resilient material, and be sealed and matched with glass mirror, thus ensure transmission between sensor emission end and sensor receiving end and receiving cable completely isolated below display screen, ensure that the infrared signal of launching all is emitted by eyeglass, can not at the scattering-in of eyeglass, separate because reception infrared signal end and transmitting terminal seal completely, do not have signal and gang up in eyeglass inside, greatly reduce the impact of making an uproar at the bottom of 3D gesture.
Preferably, above-mentioned diaphragm seal adopts the light-proof material of black.Above-mentioned wiring board is flexible circuit board FPC, and this flexible circuit board internal placement has connecting line, and is connected with sensor emission end and sensor receiving end respectively by outside joint.FPC is connected with sensor chip by line interface, this sensor chip launches the intensity of infrared signal for controlling sensor emission end, the infrared signal that sensor receiving end receives feeds back to sensor chip, and sensor chip carries out touch according to the infrared signal received and detects.
Further preferably, the material that above-mentioned diaphragm seal adopts is silica gel, certainly can also adopt other light tight resilient material.
As shown in Figure 1a, for a kind of infrared detecting device schematic diagram of unencryption mounting, the sensor device that infrared detecting device is comprised wiring board 2 and fixed by connecting line and this wiring board 2, sensor device comprises isolating device 30, sensor emission end 31, sensor receiving end 32, isolating device 30 is enclosed to form two open-topped cavity volumes, sensor emission end 31 and sensor receiving end 32 lay respectively in two different cavity volumes, thus by sensor emission end 31, sensor receiving end 32 is isolated, sensor emission end 31 and sensor receiving end 32 are sent by cavity volume open top and receive infrared signal, certainly, in order to realize sensor emission end 31, sensor receiving end 32 is fixed by connecting line and wiring board, the bottom of above-mentioned two cavity volumes should have corresponding opening.
As Fig. 1 b for shown in, for the embodiment of the present invention adds a kind of infrared detecting device schematic diagram (not comprising display screen in figure) of diaphragm seal, diaphragm seal 41 is arranged between isolating device 30 and display screen, and tightly coordinate with isolating device 30 and glass mirror respectively, the open top of two cavern part corresponding isolating devices of difference, 30 two cavity volumes.
The embodiment of the present invention adds diaphragm seal between isolating device and display screen, because sealing sheet adopts resilient material, and be sealed and matched with display screen, thus ensure that the passage sending and receive infrared signal between sensor emission end and sensor receiving end is completely isolated below display screen, owing to adopting light-proof material, can guarantee that infrared ray is not revealed, therefore the present invention can ensure to receive infrared signal end and transmitting terminal and seals separate completely, the infrared signal of launching all is emitted by eyeglass, can not at the scattering-in of eyeglass, greatly reduce the impact of making an uproar at the bottom of 3D gesture.
Preferably, as shown in Figure 1 b, this infrared detecting device also comprises:
Side seal cover 42, is enclosed within the peripheral sides of isolating device 30 and is integrated with diaphragm seal 41.
This side seal cover 42 equally also adopts flexible light-proof material and is integrated with diaphragm seal, further ensures the isolation effect of isolating device.
Preferably, this side seal cover 42 is the light-proof material of black.
Further preferably, the material of this side seal cover 42 is silica gel, certainly, also can be other elasticity light-proof material.
In description below, diaphragm seal and side seal cover are referred to as sensor sleeve.
In order to realize the fixing of sensor sleeve further, as shown in Figure 1 b, the side of side seal cover 42 has two relative extensions of position, i.e. two ears, each extension has a pilot hole 40, for coordinating with the reference column that external stability side seal overlaps, two reference columns can be arranged like this coordinate with above-mentioned two pilot holes on FPC, certainly, also the plank below FPC can arrange two reference columns to coordinate with above-mentioned two pilot holes, thus play the effect firmly fixing sensor sleeve.This pilot hole preferably adopts circular hole, certainly, also can be the hole of other shape, as long as can realize can playing fixation with the form fit of corresponding reference column, the reference column coordinated with pilot hole can plastics pillar, can certainly be the pillar of other material.
In order to make an uproar in the end of eliminating 3D gesture, diaphragm seal coordinates with display screen (namely touching eyeglass TP).Further, tight in order to coordinate, in the embodiment of the present invention, each cavern part periphery of diaphragm seal has an O-ring seal, and each O-ring seal is positioned at one side that diaphragm seal contacts with display screen and raises up, for display screen interference fit.
Preferably, the sensor transmitting terminal and sensor receiving end lay respectively in corresponding O-ring seal, thus above-mentioned O-ring seal realizes sensor emission end and sensor receiving end to separate completely, and guarantee can not be ganged up in eyeglass inside by signal.
Preferably, the height of sealing circle is greater than 10 microns and is less than 100 microns, and the width of O-ring seal is 1.5 times of height.Certainly, the O-ring seal of other size can also be adopted.
As previously mentioned, the side of each cavern part of diaphragm seal 41 is the inclined-plane that tilts toward the outer side on from described isolating device to described display screen direction and tapered.
In order to make an uproar in the end of eliminating 3D gesture, because the emission angle of sensor emission end is cone angle, transmitting terminal the cavern part of diaphragm seal is designed to taper, can ensure that signal emitting area is maximum.
Staff has an indefinite interval gap when streaking display screen, the signal of transmitting not through lens surface, from eyeglass internal feedback to receiving end, then make an uproar by the end of the sensitivity that self has an impact.Due to assembling and manufacturing tolerance, if the inside of display screen is dropped in the ray intersection of sensor emission end and receiving end, the signal of some directly reflexes to sensor receiving end without shelter.Such sensor receiving end receives unwanted signal, affects and judges the process of useful signal, affect sensitivity.The ray intersection of sensor emission end and receiving end will exceed the outside surface of eyeglass.
In the embodiment of the present invention, the upper surface of sensor emission end 31 has the spill half bore of restriction infrared emitting angle, the infrared ray that this spill half bore makes sensor emission end 31 launch and the ultrared intersection point that sensor receiving end 32 may receive, all higher than display screen upper surface.
Preferably, the ultrared intersection point that spill half bore makes the infrared ray of sensor emission end transmitting 31 and sensor receiving end 32 receive, at least higher than display screen upper surface 0.15-0.3 millimeter.
According in another embodiment of the present invention, also provide a kind of portable mobile termianl, as shown in Figure 2 and Figure 3, this portable mobile termianl printing board PCB 6; The above embodiment of the present invention be fixed together with PCB6 provides infrared detecting device, and the concrete structure of infrared detecting device, see the description of above-described embodiment, no longer repeats here.
Preferably, this portable mobile termianl also comprises: mobile phone shell 5 and display screen 1, and this mobile phone shell 5 and display screen 1 are assembled together, and PCB6 is positioned at the cavity that mobile phone shell 5 and display screen 1 enclose.
Provide the preferred implementation that infrared detecting device and PCB6 are fixed together below.
Preferably, the side of side seal cover 42 has two extensions, and each extension has a pilot hole 40, as shown in Figure 7, Figure 8, this portable mobile termianl also comprises: back up pad 8, the earphone bracket 7 be fixed together with PCB6, has two reference columns 70; The back side of wiring board 2 bonds in a back up pad 8, and back up pad 8 is fixed on the upper surface of earphone bracket 7, and pilot hole 40 correspondence of two extensions of side seal cover 42 is enclosed within two reference columns 70 of earphone bracket 7.
The shape of earphone bracket can adopt the structure shown in Fig. 7, certainly, also can be the structure adopting other.
Further preferably, PCB6 has pilot hole, this portable mobile termianl also comprises: earphone base 9, is placed on PCB6.Being illustrated in figure 9 the structural representation of earphone base, certainly, also can be the earphone base of other structure.
Preferably, as shown in Figure 7, earphone bracket 7 also has two button bit connecting portions 71 and a pcb board reference column 72, as shown in Fig. 3, Figure 10, earphone bracket 7 is supported on earphone base 9, earphone bracket 7 is connected to PCB6 by two button bit connecting portions 71, is coordinated with the pilot hole on PCB6 by pcb board reference column 72.
Figure 10 is specially earphone bracket 8, schematic diagram that earphone base 9 is corresponding when being fixed together with PCB6, and Fig. 3 is by earphone bracket 8, earphone base 9, schematic diagram that infrared detecting device is corresponding when being fixed together with PCB6.
According in the preferred embodiment of the present invention, as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, portable mobile termianl comprises: display screen 1, wiring board 2, isolating device 30, sensor emission end 31, sensor receive 32, adopt the diaphragm seal 41 of integral structure and side seal cover 42, mobile phone shell 5, PCB6, earphone bracket 7, back up pad 8, earphone base 9, battery cover 10, antenna holder 11.Wherein:
The side of side seal cover 42 has two extensions, and each extension has a pilot hole 40;
PCB6 has pilot hole;
Earphone bracket 7, has two reference columns, 70, two button bit connecting portions 71 and a pcb board reference column 72.
Concrete fixed relationship is:
Earphone base 9 is placed on PCB6, and earphone bracket 7 is supported on earphone base 9, and earphone bracket 7 is connected to PCB6 by two button bit connecting portions 71, is coordinated with the pilot hole on PCB6 by pcb board reference column 72; The back side of wiring board 2 bonds in a back up pad 8, and back up pad 8 is fixed on the upper surface of earphone bracket 7, and pilot hole 40 correspondence of two extensions of side seal cover 4 is enclosed within two reference columns 70 of earphone bracket 7.
Board structure of circuit figure (not comprising display screen) corresponding to Fig. 3 is obtained by above-mentioned annexation.
Board structure of circuit figure corresponding for Fig. 3 and mobile phone shell 5, battery cover 10, display screen 1, antenna holder 11 are assembled together and obtain the integral installation figure of Fig. 2.
In portable mobile termianl after entirety assembling, in structure shown in Fig. 3, the center pit of sensor emission end 31, sensor receiving end 32 carries out section online, the schematic diagram that Fig. 4 is corresponding can be obtained, carry out section along the vertical line online with sensor emission end 31 in structure shown in Fig. 3, sensor receiving end 32 center pit, the structural drawing shown in Fig. 5 can be obtained.
If by the tapered schematic diagram of cavern part lateral layout of diaphragm seal, can emitting area be increased, specifically shown in Figure 6.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. an infrared detecting device, be applied in the portable mobile termianl with display screen, described infrared detecting device comprises a sensor module, described sensor module comprises isolating device, sensor emission end and sensor receiving end, described isolating device is enclosed to form two open-topped cavity volumes, described sensor emission end and sensor receiving end lay respectively in two different cavity volumes, and transmit and receive infrared signal respectively by the open top of place cavity volume, it is characterized in that, described infrared detecting device also comprises:
One diaphragm seal, described diaphragm seal adopts light-proof material, be arranged between described sensor module and described display screen, and the two relative side of described diaphragm seal tightly coordinates with described isolating device and described display screen respectively, described diaphragm seal is provided with two cavern parts, the open top of corresponding described two cavity volumes of described two cavern parts difference.
2. infrared detecting device as claimed in claim 1, is characterized in that, also comprise:
Side seal cover, is set in the peripheral sides of described isolating device and is integrated with described diaphragm seal.
3. device as claimed in claim 1 or 2, it is characterized in that, each cavern part of described diaphragm seal is provided with an O-ring seal, and each described O-ring seal is positioned at one side that described diaphragm seal contacts with described display screen and raises up, for described display screen interference fit.
4. device as claimed in claim 1, is characterized in that, the medial surface of each cavern part of described diaphragm seal, is the inclined-plane tilted toward the outer side on from described isolating device to described display screen direction.
5. device as claimed in claim 1, is characterized in that, the upper surface of described sensor emission end has the spill half bore of restriction infrared emitting angle.
6. device as claimed in claim 2, it is characterized in that, described side seal cover has two relative extensions of position, and each extension is provided with a pilot hole, and described pilot hole is used for coordinating with the reference column that side seal described in external stability overlaps.
7. a portable mobile termianl, is characterized in that, comprising:
Printed circuit board (PCB);
The arbitrary described infrared detecting device of the claim 1 ~ 6 be fixed together with described printed circuit board.
8. portable mobile termianl as claimed in claim 7, it is characterized in that, described side seal cover has two relative extensions of position, and each extension has a pilot hole, and this portable mobile termianl also comprises:
The earphone bracket be fixed together with described printed circuit board, described earphone bracket has two reference columns; The pilot hole correspondence of described two extensions is enclosed within two reference columns of described earphone bracket.
9. portable mobile termianl as claimed in claim 8, it is characterized in that described printed circuit board has pilot hole, this portable mobile termianl also comprises:
Earphone base, is placed on described PCB;
Described earphone bracket also has two button bit connecting portions and a pcb board reference column, and described earphone bracket is supported on earphone base, and is connected to PCB by two button bit connecting portions, is coordinated with the pilot hole on PCB by pcb board reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614162.4A CN104375642A (en) | 2014-11-05 | 2014-11-05 | Infrared detection device and portable mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614162.4A CN104375642A (en) | 2014-11-05 | 2014-11-05 | Infrared detection device and portable mobile terminal |
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| Publication Number | Publication Date |
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| CN104375642A true CN104375642A (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410614162.4A Pending CN104375642A (en) | 2014-11-05 | 2014-11-05 | Infrared detection device and portable mobile terminal |
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| CN (1) | CN104375642A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105227707A (en) * | 2015-09-11 | 2016-01-06 | 青岛海信移动通信技术股份有限公司 | A kind of mobile terminal |
| CN105791489A (en) * | 2016-05-17 | 2016-07-20 | 广东欧珀移动通信有限公司 | Earphone seat assembly structure and mobile terminal |
| CN108304065A (en) * | 2018-01-19 | 2018-07-20 | 昆山国显光电有限公司 | Intelligent spire lamella with infrared identification gesture function and infrared detection sensor module |
| CN110186497A (en) * | 2019-05-27 | 2019-08-30 | 深圳阜时科技有限公司 | A kind of sensing mould group, sensing device and electronic equipment |
| CN110365817A (en) * | 2018-04-10 | 2019-10-22 | Oppo广东移动通信有限公司 | Housing unit and mobile terminal |
| US10764414B2 (en) | 2017-11-22 | 2020-09-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen component and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105227707A (en) * | 2015-09-11 | 2016-01-06 | 青岛海信移动通信技术股份有限公司 | A kind of mobile terminal |
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| CN108304065A (en) * | 2018-01-19 | 2018-07-20 | 昆山国显光电有限公司 | Intelligent spire lamella with infrared identification gesture function and infrared detection sensor module |
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| CN110186497A (en) * | 2019-05-27 | 2019-08-30 | 深圳阜时科技有限公司 | A kind of sensing mould group, sensing device and electronic equipment |
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Application publication date: 20150225 |