CN209297448U - A kind of recognition of face low-power consumption doorbell - Google Patents
A kind of recognition of face low-power consumption doorbell Download PDFInfo
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- CN209297448U CN209297448U CN201821346023.8U CN201821346023U CN209297448U CN 209297448 U CN209297448 U CN 209297448U CN 201821346023 U CN201821346023 U CN 201821346023U CN 209297448 U CN209297448 U CN 209297448U
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Abstract
The utility model discloses a kind of recognition of face low-power consumption doorbell, including power module and doorbell module, doorbell module includes camera, controller and doorbell unit, and camera, doorbell unit are all connected to controller；Power module includes switch unit, trigger unit and maintenance unit, and switch unit includes first into electric end, the first current output terminal and the first controlled end；First is used to connect power supply into electric end, and the first current output terminal is connected to doorbell module, and the first controlled end is connected to trigger unit and maintenance unit；When trigger unit is triggered, first is set to be connected into electric end with the first current output terminal by the first controlled end；Controller in doorbell module is also attached to maintenance unit, and maintenance unit is used to control the connection of maintenance first into electric end and the first current output terminal according to controller；First into electric end with the first current output terminal when being connected to, and controller obtains visitor image from camera, and controls the movement of doorbell unit according to visitor image.Realize the doorbell that can carry out personnel's screening and low-power consumption.
Description
Technical field
The utility model relates to doorbell technology more particularly to a kind of recognition of face low-power consumption doorbells.
Background technique
Existing doorbell generally keeps the operation that is powered for a long time, when someone presses doorbell switch, realizes doorbell function；This
Kind mode is not when pressing doorbell switch, doorbell also power consumption, and especially when being that doorbell is powered by battery, battery is not durable；
As long as in addition someone presses doorbell switch, indifference realizes doorbell function, therefore such as salesman's irrelevant personnel presses doorbell
Switch will be interfered to the normal life of resident, cause inconvenience.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of recognition of face low-power consumption doors
Bell can solve existing doorbell and generally keep the operation that is powered for a long time, when not pressing doorbell switch, doorbell also power consumption,
Especially when being that doorbell is powered by battery, battery is not durable；As long as in addition someone presses doorbell switch, indifference realizes door
Bell function, therefore such as salesman's irrelevant personnel is pressed doorbell switch and will be interfered to the normal life of resident, causes not
Just.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of recognition of face low-power consumption doorbell, including power module and doorbell module, the doorbell module include camera,
Controller and doorbell unit, the camera, doorbell unit are all connected to the controller；The power module includes that switch is single
Member, trigger unit and maintenance unit, the switch unit include first into electric end, the first current output terminal and the first controlled end；It is described
First is used to connect power supply into electric end, and first current output terminal is connected to the doorbell module, and first controlled end is connected to
The trigger unit and maintenance unit；
When the trigger unit is triggered, described first is set to connect into electric end and the first current output terminal by first controlled end
It is logical；Controller in the doorbell module is also attached to the maintenance unit, and the maintenance unit is used for according to the controller
Control maintain described first into electric end and the first current output terminal connection；
Described first into electric end with the first current output terminal when being connected to, and the controller obtains visitor image from the camera,
And the doorbell unit is controlled according to visitor image and is acted.
Further, the doorbell module further includes being connected to the storage unit of the controller, and the controller is from institute
State camera and obtain visitor image, and the doorbell unit is controlled according to visitor image and is acted, specifically: the controller from
The camera obtains visitor image, and according to the comparison knot of human face image information in the visitor image and the storage unit
Fruit controls the doorbell unit movement.
Further, the doorbell module further includes being connected to the interactive unit of the controller, the interactive unit to
When the controller sends study instruction, human face image information is stored into the storage unit.
Further, the controller from the interactive unit get study instruction after, the maintenance unit is according to institute
The control maintenance described first of controller is stated into the connection at electric end and the first current output terminal, until the controller is single from the interaction
Member gets END instruction.
Further, the trigger unit includes button K2, and the trigger unit, which is triggered, specifically includes the button K2
It is pressed；
The trigger unit further includes resistance R48, and one end of the resistance R48 is grounded by the button K2, the other end
It is connected to first controlled end；The switch unit includes being connected to described first into the electricity between electric end and the first controlled end
Hinder R47.
Further, the trigger unit further includes the diode D2 being series between the resistance R48 and button K2, institute
The anode for stating diode D2 is connected to the resistance R48, and the cathode of diode D2 is connected to the button K2；
The cathode of the diode D2 is connected to power supply by resistance R50.
Further, the switch unit further includes being connected to described first into the capacitor between electric end and the first controlled end
C32。
Further, the maintenance unit includes switching tube Q9, and the switching tube Q9 includes the second controlled end, second into electricity
End and the second current output terminal, described second is connected to first controlled end, the second current output terminal ground connection into electric end；Described second
Controlled end is connected to the controller, and the controller is gone out by second controlled end control described second into electric end and second
Electric end on or off.
Further, the trigger unit further includes decomposing prevention circuit, and the decomposing prevention circuit is in parallel with the button K2, described
It specifically further includes the decomposing prevention circuit movement that trigger unit, which is triggered,.
Further, the decomposing prevention circuit includes spring-piece type switch KEY3 and resistance R525, the spring-piece type switch KEY3
It connects with the resistance R525, one end of the decomposing prevention circuit is connected to the button K2, other end ground connection；The recognition of face
When low-power consumption doorbell is split, the spring-piece type switch KEY3 movement is connected to the both ends of the decomposing prevention circuit.
Further, the output end of the decomposing prevention circuit is also attached to the controller, and the controller detects described
When decomposing prevention circuit output end exports low level duration not less than tamper threshold value, machine alarm signal is torn in the controller output open.
Compared with prior art, the beneficial effect of the utility model embodiment is: when trigger unit is not triggered, switch
Unit shutdown, not to doorbell module for power supply, doorbell idle generates power supply；After trigger unit is triggered, switching means conductive makes
It obtains controller of the power supply into doorbell module for power supply and doorbell module and switching means conductive is maintained by maintenance unit, so as to
Operation is executed in doorbell module；Controller camera obtains visitor image, and controls the movement of doorbell unit according to visitor image.
The problem of interfering caused by normal life of the doorbell switch to resident, Er Qie are pressed so as to avoid irrelevant personnel such as salesmans
Doorbell module just executes corresponding operating when trigger unit is triggered, and realizes the doorbell that can carry out personnel's screening and low-power consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the recognition of face low-power consumption doorbell that the utility model embodiment one provides；
Fig. 2 is the circuit diagram of power module in Fig. 1；
The circuit signal of power module in the recognition of face low-power consumption doorbell that Fig. 3 provides for the utility model embodiment two
Figure.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one
Such as the structural schematic diagram that Fig. 1 is a kind of recognition of face low-power consumption doorbell.
Recognition of face low-power consumption doorbell includes power module 120 and doorbell module 130, and doorbell module 130 includes camera
131, controller 132 and doorbell unit 133, camera 131, doorbell unit 133 are all connected to controller 132.Doorbell unit 133
It is controlled by controller 132.
As preferred embodiment, doorbell unit 133 includes doorbell loudspeaker and/or indicator light (not shown), control
The control doorbell loudspeaker of device 132 makes a sound and/or indicator light is lighted, and someone is prompted to trigger doorbell.In another embodiment, door
Bell unit 133 includes microphone and loudspeaker, and controller 132 controls doorbell unit 133 and realizes speech talkback.
Power module 120 includes switch unit 121, trigger unit 122 and maintenance unit 123.As depicted in figs. 1 and 2, it opens
Closing unit 121 includes first into electric end, the first current output terminal and the first controlled end；First is connected to power supply 10 into electric end, in this reality
It applies in example, power supply is battery, and the level of power supply is BAT_IN；First current output terminal is connected to doorbell module 130, the first current output terminal
Level is BAT_VCC, and the first controlled end is connected to trigger unit 122 and maintenance unit 123.
In the present embodiment, as shown in Fig. 2, switch unit 121 includes PMOS tube Q8, first into electric end, the first current output terminal
It is respectively source electrode, the drain and gate of PMOS tube with the first controlled end.
When trigger unit 122 is not triggered, first into electric end and the first current output terminal be off-state, doorbell module 130
Electric energy can not be obtained from power supply.When trigger unit 122 is triggered, made by the first controlled end first into electric end and the first current output terminal
Connection, so that first powers into the doorbell module 130 that the power supply that electric end connects is connected to the first current output terminal, the electricity of the first current output terminal
It puts down as BAT_VCC, doorbell module 130 starts after being powered.
As preferred embodiment, trigger unit 122 includes button K2, trigger unit 122 be triggered specifically include by
Button K2 is pressed.After button K2 is pressed, the first controlled end obtains trigger signal, so that first connects into electric end and the first current output terminal
It is logical.
As preferred embodiment, trigger unit 122 further includes resistance R48, and one end of resistance R48 is connect by button K2
Ground, the other end are connected to the first controlled end；Switch unit 121 includes being connected to first into the electricity between electric end and the first controlled end
Hinder R47.
When button K2 is not pressed, for the voltage of the first controlled end equal to first into the voltage at electric end, PMOS tube Q8 will not
Conducting, first into electric end and the first current output terminal is off-state, and doorbell module 130 can not obtain electric energy from power supply.As button K2
After being pressed, power supply is grounded through resistance R47 and resistance R48, resistance R47, the junction resistance R48, the i.e. voltage of the first controlled end
It first is connected at this time into electric end with the first current output terminal, into the voltage at electric end so that PMOS tube Q8 is connected thus first less than first
The doorbell module 130 that the power supply connected into electric end is connected to the first current output terminal is powered, and doorbell module 130 starts after being powered.
As preferred embodiment, switch unit 121 further includes being connected to first between electric end and the first controlled end
Capacitor C32.When button K2 is not pressed, the voltage of the first controlled end is equal to first into the voltage at electric end.Due to capacitor C32
The voltage at both ends cannot be mutated, when button K2 is just pressed moment, the voltage of the first controlled end be still equal to first into electric end electricity
Pressure；Only when the time long enough that button K2 is pressed, when so that capacitor C32 being discharged to a certain degree, can just make first into electricity
End is connected to the first current output terminal, thus 130 electrifying startup of doorbell module.Therefore doorbell when button K2 is accidentally touched in short-term is avoided
It rings.
As preferred embodiment, trigger unit 122 further includes the diode being series between resistance R48 and button K2
D2, the anode of diode D2 are connected to resistance R48, and the cathode of diode D2 is connected to button K2；After guaranteeing that button K2 is pressed,
First controlled end can be with the variation of accurate judgement to voltage.
As preferred embodiment, the cathode of diode D2 is connected to power supply by resistance R50；Convenient for after K2 unclamps
And maintenance unit 123 is also in idle situation, it is ensured that the PMOS tube Q8 in switch unit 121 can be turned off accurately.
As preferred embodiment, power supply is grounded by capacitor C33, is played a filtering role, to avoid power-supply fluctuation generation
Malfunction.
Controller 132 in doorbell module 130 is also attached to maintenance unit 123, and maintenance unit 123 is used for according to controller
Connection of the 132 control maintenance first into electric end and the first current output terminal.
Trigger unit 122 is triggered so that doorbell module 130 and controller therein 132 are obtained for controlling after electrically activating
Device 132 processed controls the connection of the maintenance of maintenance unit 123 first into electric end and the first current output terminal, to maintain power supply 10 to doorbell mould
The power supply of block 130 executes corresponding operation convenient for doorbell module 130, and such as issuing doorbell unit 133, sound, to establish intercommunication logical
Letter etc..The cutting of maintenance unit 123 first is controlled into electricity after doorbell module 130 has executed corresponding operation, then by controller 132
The connection at end and the first current output terminal stops consumption electric energy so that doorbell module 130 thoroughly powers off.
As preferred embodiment, as shown in Fig. 2, maintenance unit 123 includes switching tube Q9.Switching tube Q9 includes second
Controlled end, second are connected to the first controlled end, the second current output terminal ground connection into electric end into electric end and the second current output terminal, second；Second
Controlled end is connected to controller 132 by pin MCU_GPIO, controller 132 by the second controlled end control second into electric end and
Second current output terminal on or off.
Trigger unit 122 is triggered so that doorbell module 130 is obtained for after electrically activating, the controller in doorbell module 130
132 are connected by the second controlled end control second into electric end and the second current output terminal, and the first controlled end is grounded by switching tube Q9, because
The voltage of this first controlled end can make first to be connected into electric end with the maintenance of the first current output terminal.When doorbell module 130 has executed phase
After the operation answered, controller 132 is turned off by the second controlled end control second into electric end and the second current output terminal again；With capacitor
C32 gradually charges, and the voltage of the first controlled end makes first to disconnect into electric end and the first current output terminal, so that doorbell module 130 is thorough
Bottom power-off stops consumption electric energy.
Trigger unit 122 is triggered, so that first is connected into electric end with the first current output terminal, the first power supply connected into electric end
The doorbell module 130 connected to the first current output terminal is powered；Doorbell module 130 executes corresponding operation after by electricity, meanwhile, doorbell mould
Controller 132 in block 130 controls the connection of the maintenance of maintenance unit 123 first into electric end and the first current output terminal, guarantees doorbell mould
Block 130 executes power supply when corresponding operating.
In the present embodiment, doorbell module 130 executes following operation after by electricity: controller 132 is obtained from camera 131 and is visited
Objective image, and doorbell unit 133 is controlled according to visitor image and is acted.In the present embodiment, camera 131 is from controller 132
Obtain electric energy；In another embodiment, camera 131 is also attached to the first current output terminal, when first into electric end and the first current output terminal
Connection, camera 131 directly can obtain electric energy from power supply 10.
As preferred embodiment, doorbell module 130 further include be connected to controller 132 storage unit (figure not
Show), the facial image for having permission and triggering the personnel that doorbell unit 133 acts by trigger unit 122 is prestored in storage unit
Information.
Controller 132 obtains visitor image from camera 131, and controls doorbell unit 133 according to visitor image and act,
Specifically: trigger unit 122 be triggered cause power supply to doorbell module 130 power after, controller 132 from camera 131 obtain
Visitor image, and acted according to the comparing result control doorbell unit 133 of human face image information in visitor image and storage unit.
As preferred embodiment, in the present embodiment, controller 132 carries out face in visitor image and storage unit
The comparison of image information, and doorbell unit 133 is controlled according to comparing result and is acted.When in visitor image and storage unit someone
The similarity of member's human face image information is greater than preset threshold, then controller 132 controls doorbell unit 133 and acts, and such as controls doorbell
Doorbell loudspeaker in unit 133 makes a sound and/or indicator light is lighted, or control doorbell unit 133 in microphone and
Loudspeaker, to realize speech talkback.
As preferred embodiment, doorbell module 130 further includes being connected to the interactive unit 134 of controller 132.Interaction
Unit 134 includes physical button or touch key-press.Controller 132 gets study instruction, i.e. interactive unit from interactive unit 134
134 to when the transmission study instruction of controller 132, and controller 132 stores human face image information into storage unit.
As preferred embodiment, in the present embodiment, the human face image information stored into storage unit can root
It is obtained according to the facial image that camera 131 is got.In another embodiment, doorbell module 130 further includes being connected to controller
132 communication unit (not shown)；Controller 132 is instructed according to the study got from interactive unit 134 or communication unit, is led to
Cross communication unit from the smart machines such as mobile phone obtain human face image information, then controller 132 by human face image information store to
In storage unit.To complete the study of human face image information in storage unit.
As preferred embodiment, controller 132 and storage unit are based on deep neural network model and method to more
It opens facial image sample to be learnt, the face for triggering the personnel that doorbell unit 133 acts by trigger unit 122 will be had permission
Image information is bound in the parameter of deep neural network model, and therefore, storage unit is to be stored with basis and have permission to pass through touching
Deep neural network model after multiple facial images that bill member 122 triggers multiple personnel that doorbell unit 133 acts are trained
Storage unit.
As preferred embodiment, controller 132 from interactive unit 134 or communication unit get study instruction after,
Maintenance unit 123 controls the connection of maintenance first into electric end and the first current output terminal according to controller 132, until controller 132
Human face image information is stored into storage unit and/or controller 132 gets end from interactive unit or communication unit and refers to
After order, controller 132 controls maintenance unit 123 and is disconnected by the first controlled end control first into electric end and the first current output terminal.
Recognition of face low-power consumption doorbell provided by the embodiment of the utility model, when trigger unit 122 is not triggered, switch
Unit 121 turns off, and power supply 10 is not powered to doorbell module 130, and doorbell idle generates；After trigger unit 122 is triggered, switch
Unit 121 is connected so that controller 132 of the power supply 10 into the power supply of doorbell module 130 and doorbell module 130 is by remaining single
Member 123 maintains switch unit 121 to be connected, in order to which doorbell module 130 executes operation；132 camera 131 of controller obtains visitor
Image, and doorbell unit 133 is controlled according to visitor image and is acted.Doorbell is pressed so as to avoid irrelevant personnel such as salesmans to open
It closes the problem of being interfered caused by the normal life to resident, and doorbell module 130 just executes when trigger unit 122 is triggered
Corresponding operating realizes the doorbell that can carry out personnel's screening and low-power consumption.
Turn off switch unit 121 by maintenance unit 123 after being finished, power supply stops powering to controller 110, low
Power consumption doorbell idle generates.
Embodiment two
It is illustrated in figure 3 the circuit diagram of power module 120 in recognition of face low-power consumption doorbell, the face of the present embodiment
Identification low-power consumption doorbell also adds tamper function on the basis of example 1.
In the present embodiment, trigger unit 122 further includes decomposing prevention circuit.As shown in figure 3, decomposing prevention circuit and button K2 are simultaneously
Connection, it specifically further includes decomposing prevention circuit movement that trigger unit 122, which is triggered,.Spring-piece type switch KEY3 is located at recognition of face low-power consumption door
The relevant position of bell shell, so that spring-piece type switch KEY3 is acted when recognition of face low-power consumption doorbell shell is split.
As shown in figure 3, decomposing prevention circuit includes spring-piece type switch KEY3 and resistance R525, spring-piece type switch KEY3 and resistance
R525 series connection, one end of decomposing prevention circuit are connected to button K2, other end ground connection；When recognition of face low-power consumption doorbell is split, elastic slice
Formula switch KEY3 movement is connected to the both ends of decomposing prevention circuit.
As shown in figure 3, the pin 1 and pin 3 of spring-piece type switch KEY3 is in disconnected when recognition of face low-power consumption doorbell is intact
Open state.When recognition of face low-power consumption doorbell is opened, the switch shrapnel of spring-piece type switch KEY3 is due to product casing is dismantled
It is released, so that the pin 1 and pin 3 of spring-piece type switch KEY3 are in connected state；To make the both ends of decomposing prevention circuit be connected to.
After the both ends connection of decomposing prevention circuit, power supply is grounded through resistance R47, resistance R48 and resistance R525, resistance R47, resistance
The junction R48, the i.e. voltage of the first controlled end less than first into the voltage at electric end so that PMOS tube Q8 is connected, at this time first into
Electric end is connected to the first current output terminal, so that first supplies into the doorbell module 130 that the power supply that electric end connects is connected to the first current output terminal
Electricity, doorbell module 130 start after being powered.After controller 132 in doorbell module 130 powers on, control camera 131 is obtained
Image in the visual field can acquire the image for destroying the people of recognition of face low-power consumption doorbell.
As preferred embodiment, the output end of decomposing prevention circuit, i.e., ungrounded end is also attached to controller 132, control
When device 132 detects that decomposing prevention circuit output end exports low level duration not less than tamper threshold value, controller 132 is to doorbell unit
Doorbell loudspeaker or alarm unit output in 133 tear machine alarm signal open, so that doorbell loudspeaker issues alarm sound or makes to report
Alert unit alarm, prompts someone to destroy recognition of face low-power consumption doorbell；Also controllable camera 131 obtains the image in the visual field,
Acquisition destroys the image of the people of recognition of face low-power consumption doorbell, and the low function of recognition of face may further will be destroyed by communication unit
The image for consuming the people of doorbell is sent to the smart machines such as mobile phone.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of recognition of face low-power consumption doorbell, it is characterised in that: including power module and doorbell module, the doorbell module packet
Camera, controller and doorbell unit are included, the camera, doorbell unit are all connected to the controller；The power module
Including switch unit, trigger unit and maintenance unit, the switch unit include first into electric end, the first current output terminal and first by
Control end；Described first is used to connect power supply into electric end, and first current output terminal is connected to the doorbell module, and described first is controlled
End is connected to the trigger unit and maintenance unit；
When the trigger unit is triggered, described first is set to be connected into electric end with the first current output terminal by first controlled end；
Controller in the doorbell module is also attached to the maintenance unit, and the maintenance unit is used for the control according to the controller
Connection of the system maintenance described first into electric end and the first current output terminal；
The controller is used to obtain visitor image from the camera when described first is connected into electric end with the first current output terminal
To control the doorbell unit movement.
2. recognition of face low-power consumption doorbell as described in claim 1, it is characterised in that: the doorbell module further includes being connected to
The storage unit of the controller, the storage unit promote the trigger unit for prestoring to have permission to trigger the doorbell
The human face image information of the personnel of unit movement, the human face image information are believed for the controller according to the facial image
It ceases and is compared with the visitor image got to control the doorbell unit movement.
3. recognition of face low-power consumption doorbell as claimed in claim 2, it is characterised in that: the doorbell module further includes being connected to
The interactive unit of the controller, when the interactive unit sends study instruction to the controller, the controller is used for will
The human face image information is stored into the storage unit.
4. recognition of face low-power consumption doorbell as described in claim 1, it is characterised in that: the trigger unit includes button K2,
The button K2 is for triggering the trigger unit；
The trigger unit further includes resistance R48, and one end of the resistance R48 is grounded by the button K2, other end connection
In first controlled end；The switch unit includes being connected to described first into the resistance between electric end and the first controlled end
R47。
5. recognition of face low-power consumption doorbell as claimed in claim 4, it is characterised in that: the trigger unit further includes being series at
Diode D2 between the resistance R48 and button K2, the anode of the diode D2 are connected to the resistance R48, diode
The cathode of D2 is connected to the button K2；
The cathode of the diode D2 is connected to power supply by resistance R50.
6. recognition of face low-power consumption doorbell as claimed in claim 5, it is characterised in that: the switch unit further includes being connected to
Described first into the capacitor C32 between electric end and the first controlled end.
7. recognition of face low-power consumption doorbell as claimed in claim 4, it is characterised in that: the maintenance unit includes switching tube
Q9, the switching tube Q9 include the second controlled end, second into electric end and the second current output terminal, described second be connected into electric end it is described
First controlled end, the second current output terminal ground connection；Second controlled end is connected to the controller, and the controller is for leading to
The second controlled end control described second is crossed into electric end and the second current output terminal on or off.
8. recognition of face low-power consumption doorbell as claimed in claim 7, it is characterised in that: the trigger unit further includes tamper electricity
Road, the decomposing prevention circuit is in parallel with the button K2, and it is also decomposing prevention circuit movement that the trigger unit, which is triggered specific,.
9. recognition of face low-power consumption doorbell as claimed in claim 8, it is characterised in that: the decomposing prevention circuit includes that spring-piece type is opened
KEY3 and resistance R525 is closed, the spring-piece type switch KEY3 connects with the resistance R525, and one end of the decomposing prevention circuit connects
In the button K2, other end ground connection.
10. recognition of face low-power consumption doorbell as claimed in claim 9, it is characterised in that: the output end of the decomposing prevention circuit is also
It is connected to the controller, the controller is used to detect that it is not small that the decomposing prevention circuit output end exports low level duration
Machine alarm signal is torn in output open when tamper threshold value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821346023.8U CN209297448U (en) | 2018-08-21 | 2018-08-21 | A kind of recognition of face low-power consumption doorbell |
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| CN201821346023.8U CN209297448U (en) | 2018-08-21 | 2018-08-21 | A kind of recognition of face low-power consumption doorbell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035637A (en) * | 2018-08-21 | 2018-12-18 | 深圳市朗强科技有限公司 | A kind of recognition of face low-power consumption doorbell |
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2018
- 2018-08-21 CN CN201821346023.8U patent/CN209297448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035637A (en) * | 2018-08-21 | 2018-12-18 | 深圳市朗强科技有限公司 | A kind of recognition of face low-power consumption doorbell |
| CN109035637B (en) * | 2018-08-21 | 2024-01-05 | 深圳市朗强科技有限公司 | Face recognition low-power doorbell |
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