CN206262059U - A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects - Google Patents
A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects Download PDFInfo
- Publication number
- CN206262059U CN206262059U CN201621286899.9U CN201621286899U CN206262059U CN 206262059 U CN206262059 U CN 206262059U CN 201621286899 U CN201621286899 U CN 201621286899U CN 206262059 U CN206262059 U CN 206262059U
- Authority
- CN
- China
- Prior art keywords
- triggering
- wireless
- inductor
- gas ball
- ball objects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model belongs to amusement equipment technical field, there is provided a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects, including reception device, signal projector, triggering inductor and gas ball objects；Reception device includes processor and reception antenna, and processor includes input and output end, and input is connected with reception antenna by coaxial cable, and output end is electrically connected with user equipment；Signal projector includes external shell and radio frequency chip, and radio frequency chip is installed on the inside of external shell, and radio frequency chip is connected with reception antenna signal；Triggering inductor is installed on external shell, and triggering inductor is electrically connected with signal projector；Gas ball objects are removably mounted on external shell the position corresponding with triggering inductor.The utility model has low cost, and small volume, using effect is good, adaptability advantage high, is available for one or many people to use.
Description
Technical field
The utility model is related to amusement equipment technical field, and in particular to a kind of nothing of triggering of being exploded by gas ball objects
Line is scored or wireless starting device.
Background technology
With the continuous improvement of the fast-developing and living standards of the people of Chinese national economy, life of the people to positive health
Mode living has more demands, and cybraian, mobile phone are bowed the continuous expansion of group's body, and also some entertainment selections are proposed
Requirement higher.It is desirable to pass through some more interesting activities, the potential of itself is recognized, enhancing is self-confident, faces challenge directly, increases
Strong team unity spirit.Some inflating balls game of conventional or shooting game, typically in a relatively-stationary interval
In, obtaining fraction or reward by impacting target that some fix, game rule is relatively easy and not high, the Er Qieyou of resistance to object for appreciation property
The activity of play person itself is nor very big, and the exercise intensity to body is also inadequate；On the other hand, some true man CS game, though
Right amount of exercise than larger, but its to game article and participate in number requirement it is again too high, cannot be carried out when causing fewer in number.
Therefore, a kind of low cost is worked out, small size is easy to one or many people to be used together, and adaptability amusement equipment high just turn into
The key of solve problem.
Utility model content
For defect of the prior art, the utility model provides a kind of wireless note of triggering of being exploded by gas ball objects
Divide or wireless starting device, with reduces cost, reduce volume, increase adaptability.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects, including reception device, signal
Transmitter, triggering inductor and gas ball objects；
The reception device includes processor and reception antenna, and the processor includes input and output end, described defeated
Enter end to be connected by coaxial cable with the reception antenna, the output end is electrically connected with user equipment；
The signal projector includes external shell and radio frequency chip, and the radio frequency chip is installed on described outer
The inside of portion's housing, the radio frequency chip is connected with the reception antenna signal；
The triggering inductor is installed on the external shell, and the triggering inductor is electrically connected with the signal projector
Connect；
The gas ball objects are removably mounted on the external shell position corresponding with the triggering inductor.
As a kind of perferred technical scheme, the output end includes serial ports, parallel port and USB port.
As a kind of perferred technical scheme, the reception antenna uses directional aerial or omnidirectional antenna.
As a kind of perferred technical scheme, it is 2.4GHz or working frequency range that the radio frequency chip uses working frequency range
It is the radio frequency chip of 5.8GHz, the working frequency range phase of the working frequency range of the reception antenna and the radio frequency chip
Match somebody with somebody.
As a kind of perferred technical scheme, the power supply of the reception device uses external power supply.
As a kind of perferred technical scheme, the power supply of the signal projector uses button cell or external power supply.
As a kind of perferred technical scheme, the triggering inductor uses power switch formula inductor or mechanical switch
Inductor.
As a kind of perferred technical scheme, the power switch formula inductor senses including reflection-type optoelectronic switch formula
Device, the reflection-type optoelectronic switch formula inductor includes emission port and receiving port.
As a kind of perferred technical scheme, the mechanical switch inductor includes microswitch.
As a kind of perferred technical scheme, the signal projector and the triggering inductor are at least provided with one.
Due to using above technical scheme, the utility model has the advantages that：
A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects, including reception device, signal
Transmitter, triggering inductor and gas ball objects；The reception device includes processor and reception antenna, the processor bag
Input and output end are included, the input is connected with the reception antenna by coaxial cable, and the output end sets with user
Standby electrical connection；The signal projector includes external shell and radio frequency chip, and the radio frequency chip is installed on described
The inside of external shell, the radio frequency chip is connected with the reception antenna signal；The triggering inductor is installed on institute
State on external shell, the triggering inductor is electrically connected with the signal projector；The gas ball objects are removably mounted to
The position corresponding with the triggering inductor on the external shell；Based on above structure, the utility model is when in use, sharp
The reception and treatment of signal can be carried out with reception device, the signal of article explosion can be transmitted to using signal projector
Reception device, the explosion of gas ball objects can be sensed and by signal transmission to signal projector, profit using inductor is triggered
It is easy to replace and is repaired with the detachable mounting means of gas ball objects.
Output end described in the utility model includes serial ports, parallel port and USB port；Based on above structure, the utility model makes
Used time, using the setting of serial ports, parallel port and USB port, the utility model is gone for computer, display, mobile phone and PCL and control
In system screen, versatility of the present utility model is improve.
Reception antenna described in the utility model uses directional aerial or omnidirectional antenna；Based on above structure, the utility model
When in use, using unidirectional antenna, can be in the signal within single direction receives 30-50 meters of distance；Using omnidirectional antenna,
The all signals within 30-50 meters of distance of circumference can be received.
It is the nothing of 5.8GHz for 2.4GHz or working frequency range that radio frequency chip described in the utility model uses working frequency range
Line radio frequency chip, the working frequency range of the reception antenna matches with the working frequency range of the radio frequency chip；More than being based on
Structure, the utility model when in use, due to the technical characteristic of 2.4GHz and 5.8GHz working frequency range, has the signal launched
Standby ability through walls, in addition to the obstruction of metal material cannot be penetrated, the material that other most of daily adornments are used
Can normally penetrate, increased practicality of the present utility model.
The power supply of reception device described in the utility model uses external power supply；Based on above structure, the utility model makes
Used time, reception device uses the civil power of 220V as power supply, therefore reception device possesses external power supply plug.
The power supply of signal projector described in the utility model uses button cell or external power supply；Based on above structure, this
When in use, signal projector can both use button cell as power supply to utility model, it is also possible to use external power supply, increase
Adaptability of the present utility model.
Triggering inductor described in the utility model uses power switch formula inductor or mechanical switch inductor；Based on
Upper structure, when in use, triggering inductor can both use power switch formula inductor to the utility model, it would however also be possible to employ machinery
Switching regulator inductor, increased diversity of the present utility model.
Power switch formula inductor described in the utility model includes reflection-type optoelectronic switch formula inductor, the reflection type optical
Electric switch formula inductor includes emission port and receiving port；Based on above structure, the utility model when in use, using transmitting
The work of port and receiving port cooperating to signal projector is controlled.
Mechanical switch inductor described in the utility model includes microswitch；Based on above structure, the utility model exists
When using, the impact produced during using gas ball objects explosion is acted on microswitch, so that signal projector starts
Work.
Signal projector described in the utility model and the triggering inductor are at least provided with one；Based on above structure, this
Utility model is when in use, it is possible to achieve a multipair occupation mode, i.e., one reception device, can receive multiple signal transmittings
Do not conflict mutually between the signal of device, and each signal and do not disturb.
In sum, the utility model has low cost, and small volume, using effect is good, and adaptability advantage high is available for list
People or many people use.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described.In all of the figs, it is similar
The general reference by being similar to of element or part is identified.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
Fig. 1 is the structural representation of the utility model embodiment one；
Fig. 2 is the structural representation of the utility model embodiment two；
Fig. 3 is that the utility model triggers inductor and signal projector electrical connection schematic diagram；
Fig. 4 is utility model works schematic flow sheet；
In accompanying drawing, 1, reception device；11st, reception antenna；111st, omnidirectional antenna；112nd, directional aerial；12nd, processor；2、
Signal projector；3rd, inductor is triggered；31st, reflection-type optoelectronic switch formula inductor；32nd, microswitch type inductor；4th, balloon
Class article.
Specific embodiment
The technical solution of the utility model is described in detail below in conjunction with embodiment.Following examples are only used for
The technical solution of the utility model is clearly illustrated, therefore is only used as example, and the utility model can not be limited with this
Protection domain.
Embodiment one
A kind of in embodiment one as shown in Fig. 1,3,4 is scored or wirelessly by gas ball objects the wireless of triggering that explode
Starter, including reception device 1, signal projector 2, triggering inductor 3 and gas ball objects 4；Reception device 1 includes place
Reason device 12 and reception antenna 11, reception antenna 11 use omnidirectional antenna 111, when in use using omnidirectional antenna 111, can receive
All signals within 30-50 meters of distance of circumference, processor 12 includes input and output end, input and reception antenna 11
Connected by coaxial cable, the resistance of coaxial cable uses 50 ohm, and output end is electrically connected with user equipment, and processor 12 can root
According to the design requirement of user, the signal that reception antenna 11 is received is demodulated, and is exported by output end, output end bag
Serial ports, parallel port and USB port are included, using the setting of serial ports, parallel port and USB port, the present embodiment is gone for computer, display
In device, mobile phone and PCL control flows, output end sends signal data to these rear end equipments, and these rear end equipments can pass through
Software for Design, enters signal screening, identification and changes, and for showing or carrying out machine-operated setting, therefore processor 12 can be in real time
The transmitting information of each signal projector 2 is informed into rear end equipment, to allow rear end equipment to be made according to unlike signal feature
Different actions or the different results of display.The power supply of reception device 1 uses external power supply, and when in use, reception device 1 is used
Used as power supply, reception device 1 possesses external power supply plug to the civil power of 220V.What reception device 1 was used is prior art, because
This makes a brief description at this.
Signal projector 2 includes external shell and radio frequency chip in the present embodiment, and radio frequency chip is installed on outer
The inside of portion's housing, it is the radio frequency chip of 2.4GHz, the work of reception antenna 11 that radio frequency chip uses working frequency range
Frequency range matches with the working frequency range of radio frequency chip, and the present embodiment uses the 2.4GHz less radio-frequency cores of model CC2500
Piece, when in use, due to the technical characteristic of 2.4GHz working frequency range, makes the signal launched possess ability through walls, except metal material
Beyond the obstruction of matter cannot be penetrated, the material that other most of daily adornments are used can be penetrated normally, be increased
The practicality of the present embodiment, in addition, the radio frequency chip of 2.4GHz is comparative maturity product in the market, chip can
Select scope than larger, degree domestic is also higher, so low cost, radio frequency chip is connected with reception antenna signal；Touch
Hair inductor 3 is installed on external shell, and triggering inductor 3 is electrically connected with signal projector 2；The power supply of signal projector 2 is adopted
With external power supply 21, therefore possess external power supply plug energy source is provided.
Gas ball objects 4 are removably mounted on external shell the position corresponding with triggering inductor 3 in the present embodiment,
When in use, can be installed by micro- adhesive tape or rubber band.
Inductor 3 is triggered in the present embodiment using microswitch type inductor 31, microswitch type inductor 31 includes micro-
Dynamic switch, when in use, the impact produced during using gas ball objects explosion is acted on microswitch, so that signal is sent out
Emitter 2 is started working.When in use, gas ball objects 4 are arranged on the top of microswitch type inductor, and and microswitch type
Inductor 31 is in contact, after microswitch type inductor 31 is powered, microswitch type inductor 31 itself in an ON state,
Microswitch type inductor 31 is connected with signal projector 2 on circuit by designed lines, belongs to a cut-off loop, when micro-
When moving switching regulator inductor 31 in an ON state, the conducting loop of signal projector 2 is cut off, and will not carry out signal transmitting.
After gas ball objects 4 explode, microswitch is caused the loop of itself to be interrupted by the impulsive force that blast is produced so as to start working,
So that the operating circuit conducting of signal projector 2, starts transmission signal, allow reception device 1 to produce corresponding action, reach wireless
Score or wirelessly start it is specific office purpose.
Signal projector 2 and triggering inductor 3 are provided with one in the present embodiment, and man-to-man working method makes integral device
Simple structure, small volume is easy to carry and uses.
Signal projector 2 and triggering inductor 3 in the present embodiment can be by common printed circuit boards (pcb board)
And surface installation technique (SMT) is realized, it is added, and the size after shell is also smaller than a name cards, and thickness is no more than 1 centimetre, can
The positions such as wall, door and window and ceiling are fixed on to facilitate.
Embodiment two
A kind of in embodiment two as shown in Figure 2,3, 4 is scored or wirelessly by gas ball objects the wireless of triggering that explode
Starter, including reception device 1, signal projector 2, triggering inductor 3 and gas ball objects 4；Reception device 1 includes place
Reason device 12 and reception antenna 11, reception antenna use directional aerial 112, when in use, using unidirectional antenna 112, can be in list
One direction receives the signal within 30-50 meters of distance, and processor 12 includes input and output end, input and reception antenna
11 are connected by coaxial cable, and the resistance of coaxial cable uses 50 ohm, and output end is electrically connected with user equipment, the energy of processor 12
According to the design requirement of user, the signal that reception antenna 11 is received is demodulated, and is exported by output end, output end
Including serial ports, parallel port and USB port, using the setting of serial ports, parallel port and USB port, the present embodiment is set to go for computer, display
In device, mobile phone and PCL control flows, output end sends signal data to these rear end equipments, and these rear end equipments can pass through
Software for Design, enters signal screening, identification and changes, and for showing or carrying out machine-operated setting, therefore processor 12 can be in real time
The transmitting information of each signal projector is informed into rear end equipment, to allow rear end equipment to be made not according to unlike signal feature
Same action or the different results of display.The power supply of reception device 1 uses external power supply, and when in use, reception device 1 is used
Used as power supply, reception device 1 possesses external power supply plug to the civil power of 220V.What reception device 1 was used is prior art, because
This makes a brief description at this.
Signal projector 2 includes external shell and radio frequency chip in the present embodiment, and radio frequency chip is installed on outer
The inside of portion's housing, it is the radio frequency chip of 5.8GHz, the work of reception antenna 11 that radio frequency chip uses working frequency range
Frequency range matches with the working frequency range of radio frequency chip, when in use, due to the technical characteristic of 5.8GHz working frequency range, makes hair
The signal of injection possesses ability through walls, in addition to the obstruction of metal material cannot be penetrated, other most of daily adornments
The material for being used can be penetrated normally, increased the practicality of the present embodiment, in addition, the radio frequency chip of 5.8GHz is
Comparative maturity product in the market, than larger, degree domestic is also higher, so low cost, nothing for the optional scope of chip
Line radio frequency chip is connected with the signal of reception antenna 11；Triggering inductor 3 is installed on external shell, triggers inductor 3 and signal
Transmitter 2 is electrically connected；The power supply of signal projector 2 connects power supply 22 in, inside connects power supply 22 and provides energy using button cell
Source.
Gas ball objects 4 are removably mounted on external shell the position corresponding with triggering inductor 3 in the present embodiment,
When in use, can be installed by micro- adhesive tape or rubber band.
Inductor 3 is triggered in the present embodiment using reflection-type optoelectronic switch formula inductor 32, reflection-type optoelectronic switch formula sense
Answering device 32 includes emission port and receiving port, when in use, signal is sent out using emission port and receiving port cooperating
The work of emitter is controlled, and gas ball objects 4 are by the emission port and receiving port of reflection-type optoelectronic switch formula inductor 32
Block, so after reflection-type optoelectronic switch formula inductor 32 is powered, due to the reflex of balloon surface, emission port sends
Light receiving end mouthful receives after reflection, can be in this reflection-type optoelectronic switch formula inductor 32 and connect shape
State.Reflection-type optoelectronic switch formula inductor 32 is connected with signal projector 2 on circuit by designed lines, belongs to a cut-out
Loop, when reflection-type optoelectronic switch formula inductor 32 in an ON state when, the conducting loop of signal projector 2 is cut off, no
Signal transmitting can be carried out.After gas ball objects 4 explode, outside shelter disappears, and reflection-type optoelectronic switch formula inductor 32 connects
Receiving end mouthful does not receive reflection light, so as to cause the loop of itself to be interrupted so that the operating circuit conducting of signal projector 2,
Start transmission signal, allow reception device 1 to produce corresponding action, reach the wireless purpose scored or wirelessly start specific office.
Reflection-type optoelectronic switch formula inductor 32 can work under the DC voltage of 3-5V, be insulated between input and output end, its
Output signal does not interfere with input, fast response time, generally in microsecond even ns yet.The work of signal projector 2
Voltage is also the direct current of 3-5V.
Signal projector 2 and triggering inductor 3 are provided with two in the present embodiment, when in use, it is possible to achieve one-to-many
The reception device of occupation mode, i.e., one, can receive do not rushed mutually between the signal of multiple signal projectors, and each signal
It is prominent not disturb.
Signal projector 2 and triggering inductor 3 in the present embodiment can be by common printed circuit boards (pcb board)
And surface installation technique (SMT) is realized, it is added, and the size after shell is also smaller than a name cards, and thickness is no more than 1 centimetre, can
The positions such as wall, door and window and ceiling are fixed on to facilitate.
In specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of without these details.In some instances, known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover in the middle of the scope of claim of the present utility model and specification.
Claims (10)
1. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects, it is characterised in that：Including receiving
Device, signal projector, triggering inductor and gas ball objects；
The reception device includes processor and reception antenna, and the processor includes input and output end, the input
It is connected by coaxial cable with the reception antenna, the output end is electrically connected with user equipment；
The signal projector includes external shell and radio frequency chip, and the radio frequency chip is installed on the external shell
The inside of body, the radio frequency chip is connected with the reception antenna signal；
The triggering inductor is installed on the external shell, and the triggering inductor is electrically connected with the signal projector；
The gas ball objects are removably mounted on the external shell position corresponding with the triggering inductor.
2. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The output end includes serial ports, parallel port and USB port.
3. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The reception antenna uses directional aerial or omnidirectional antenna.
4. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：It is the less radio-frequency core of 5.8GHz for 2.4GHz or working frequency range that the radio frequency chip uses working frequency range
Piece, the working frequency range of the reception antenna matches with the working frequency range of the radio frequency chip.
5. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The power supply of the reception device uses external power supply.
6. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The power supply of the signal projector uses button cell or external power supply.
7. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The triggering inductor uses power switch formula inductor or mechanical switch inductor.
8. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 7,
It is characterized in that：The power switch formula inductor includes reflection-type optoelectronic switch formula inductor, the reflection-type optoelectronic switch
Formula inductor includes emission port and receiving port.
9. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 7,
It is characterized in that：The mechanical switch inductor includes microswitch.
10. a kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects according to claim 1,
It is characterized in that：The signal projector and the triggering inductor are at least provided with one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286899.9U CN206262059U (en) | 2016-11-28 | 2016-11-28 | A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286899.9U CN206262059U (en) | 2016-11-28 | 2016-11-28 | A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206262059U true CN206262059U (en) | 2017-06-20 |
Family
ID=59042121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621286899.9U Active CN206262059U (en) | 2016-11-28 | 2016-11-28 | A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206262059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621311A (en) * | 2016-11-28 | 2017-05-10 | 刘亮 | Wireless score keeping or wireless starting device triggered through explosion of balloon stuff |
-
2016
- 2016-11-28 CN CN201621286899.9U patent/CN206262059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621311A (en) * | 2016-11-28 | 2017-05-10 | 刘亮 | Wireless score keeping or wireless starting device triggered through explosion of balloon stuff |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103235581B (en) | Electrical equipment control system based on wireless handheld terminal | |
| CN206262059U (en) | A kind of wireless scoring or wireless starting device by the blast triggering of gas ball objects | |
| CN205216122U (en) | Controlling means of intelligence machine of shooting | |
| CN106059866B (en) | A kind of speech control system of wireless intelligent house | |
| CN201601715U (en) | Mobile phone with electronic compass function | |
| CN106621311A (en) | Wireless score keeping or wireless starting device triggered through explosion of balloon stuff | |
| CN203480446U (en) | Pairing system and matching system of wireless device | |
| CN204948125U (en) | A kind of touch-control extended mobile phone cover of intelligence | |
| CN204398593U (en) | A kind of based on radio controlled examination equipment | |
| CN107096219B (en) | Competitive game control method and system through shooting balloon type object scoring | |
| CN203851193U (en) | Wireless control timing device with shielding function | |
| CN202587333U (en) | Bluetooth earphone | |
| CN202028173U (en) | Game pad interacted with cell phone | |
| CN204795034U (en) | Wireless start equipment | |
| CN204946226U (en) | Mobile doorbell | |
| CN207869540U (en) | A kind of Portable plane remote controler | |
| CN206060785U (en) | A kind of use for laboratory compunication device | |
| CN204423014U (en) | A kind of inverse source multichannel apparatus control system | |
| CN208489956U (en) | Wireless microphone | |
| CN209993324U (en) | Novel wireless charging interpreter | |
| CN206164561U (en) | Wireless network router | |
| CN203386313U (en) | Wireless watch-type vibration doorbell | |
| CN205545972U (en) | Wireless AP | |
| CN205657686U (en) | Multifrequency section intelligence intercom | |
| CN220757940U (en) | Electronic whipped egg score indicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |