Summary of the invention
The embodiment of the invention provides a kind of door control terminal binding method and relevant devices, to promote the net of mobile terminal
The convenience of page management promotes user experience.
In a first aspect, the embodiment of the present invention provides a kind of door control terminal binding method, comprising:
The two dimensional code shown on the display interface of door control terminal is scanned, the equipment identification information of the door control terminal is obtained,
And the network settings interface of the door control terminal is shown on the touching display screen of mobile terminal;
The network configuration information of user's typing is obtained by the network settings interface;
The network insertion control for carrying the network configuration information is sent to the door control terminal by default acoustic signals
System instruction, the Network access control instruction are used to indicate the door control terminal and access wireless network according to the network configuration information
Network;
By the wireless network to the door control terminal sending device bind-request message, the apparatus bound request disappears
Breath is used to indicate the equipment control authority that the door control terminal registers the mobile terminal, and to the mobile terminal sending device
Binding success message;
Receive the apparatus bound success message.
With reference to first aspect, in some possible implementations, after the reception apparatus bound success message,
The method also includes:
The doorbell Ringing message that the door control terminal is sent is received, the doorbell Ringing message is that the door control terminal is being examined
It is generated when measuring doorbell alarm event;
The doorbell Ringing message is exported, and shows that alarm event is set on the touching display screen of the mobile terminal
Interface is set, the alarm event set interface includes at least look facility button;
When detecting that user is directed to the selection operation of the look facility button, image capturing is sent to the door control terminal
Instruction;
The environmental images that the door control terminal responds the image capturing instruction and sends are received, and are shown in the touch-control
Environmental images described in screen display.
With reference to first aspect, in some possible implementations, it is described detect user for the look facility by
When the selection operation of button, the method also includes:
Show that the appliance control interface of the door control terminal, the appliance control interface include on the touching display screen
Image viewing area and functional areas, the image viewing area are used to show the environmental images that the door control terminal captures, the function
Area includes door lock open function option, screenshotss function choosing-item, intercommunication function option, mute function option;
It is described that the environmental images are shown on the touching display screen, comprising:
The environmental images are shown in the image viewing area of the appliance control interface.
With reference to first aspect, in some possible implementations, after the reception apparatus bound success message,
The method also includes:
When receiving the recognition of face mismatch message that the door control terminal is sent, generates and export the visiting prompting of visitor
Message, and show on the touching display screen appliance control interface of the door control terminal, the appliance control interface includes
Image viewing area and functional areas, the image viewing area are used to show the environmental images that the door control terminal captures, the function
Area includes door lock open function option, screenshotss function choosing-item, intercommunication function option, mute function option.
With reference to first aspect, in some possible implementations, the method also includes:
When detecting selection operation of the user for the door lock open function option of the appliance control interface, to described
Door control terminal sends unlocking control instruction, and the control instruction is used to indicate the door control terminal and opens intelligent door lock;Alternatively,
When detecting selection operation of the user for the screenshotss function choosing-item of the appliance control interface, the shadow is intercepted
As viewing area current image picture and be stored in default storage region;Alternatively,
When detecting selection operation of the user for the intercommunication function option of the appliance control interface, to the gate inhibition
Terminal sends call control instruction, and the call control instruction is used to indicate the door control terminal and exports the householder's voice received
Information, or the visitor's voice messaging obtained is sent to the mobile terminal.
Second aspect, the embodiment of the invention provides a kind of door control terminal binding methods, comprising:
Two-dimensional code display in the display interface, the equipment that the two dimensional code is used for acquisition door control terminal after mobile scanning terminal
Identification information, and show on the touching display screen of mobile terminal the network settings interface of the door control terminal;
The network for carrying the network configuration information that the mobile terminal transmission is received by presetting acoustic signals connects
Enter control instruction, the network configuration information is user by network settings interface typing and by the acquisition for mobile terminal
's;
Wireless network is accessed according to the network configuration information;
The apparatus bound request message that the mobile terminal is sent is received by the wireless network, is registered described mobile whole
The equipment control authority at end, and to the mobile terminal sending device binding success message.
With reference to first aspect, described to be bound into the mobile terminal sending device in some possible implementations
After function message, the method also includes:
When detecting doorbell alarm event, doorbell Ringing message is generated;
The doorbell Ringing message is sent to the mobile terminal, the doorbell Ringing message is used to indicate described mobile whole
End shows that alarm event set interface, the alarm event set interface include at least look facility on the touching display screen
Button;
The image capturing instruction that the mobile terminal is sent is received, acquires environmental images, and send to the mobile terminal
The environmental images, the environmental images on the touching display screen of the mobile terminal for showing.
With reference to first aspect, described to be bound into the mobile terminal sending device in some possible implementations
After function message, the method also includes:
Recognition of face is sent to the mobile terminal and mismatches message, and the recognition of face mismatches message and is used to indicate institute
It states mobile terminal to generate and export the visiting reminder message of visitor, and shows setting for the door control terminal on the touching display screen
Standby control interface, the appliance control interface include image viewing area and functional areas, and the image viewing area is described for showing
The environmental images that door control terminal captures, the functional areas include door lock open function option, screenshotss function choosing-item, intercommunication function choosing
Item, mute function option.
With reference to first aspect, in some possible implementations, the method also includes:
The unlocking control instruction that the mobile terminal is sent is received, opens intelligent door lock, the unlocking control instruction is institute
State mobile terminal generation when detecting selection operation of the user for the door lock open function option of the appliance control interface
's;Alternatively,
The call control instruction that the mobile terminal is sent is received, exports the householder's voice messaging received, or to institute
It states mobile terminal and sends the visitor's voice messaging obtained, the call control instruction is that the mobile terminal is detecting user's needle
It is generated when to the selection operation of the intercommunication function option of the appliance control interface.
The third aspect, the embodiment of the invention provides a kind of mobile terminal, including functional unit, the functional unit is used for
Step some or all of described in execution first aspect of embodiment of the present invention either method.
Fourth aspect, the embodiment of the invention provides a kind of door control terminal, including functional unit, the functional unit is used for
Step some or all of described in execution second aspect of embodiment of the present invention either method.
5th aspect, the embodiment of the invention provides a kind of mobile terminals, comprising:
Processor, memory, communication interface and communication bus, the processor, the memory and the communication interface
It is connected by the communication bus and completes mutual communication;
The memory is stored with executable program code, and the communication interface is for wirelessly communicating;
The processor is used to call the executable program code in the memory, executes such as the embodiment of the present invention
Step some or all of described in first aspect either method.
6th aspect, the embodiment of the invention provides a kind of door control terminals, comprising:
Processor, memory, communication interface and communication bus, the processor, the memory and the communication interface
It is connected by the communication bus and completes mutual communication;
The memory is stored with executable program code, and the communication interface is for wirelessly communicating;
The processor is used to call the executable program code in the memory, executes such as the embodiment of the present invention
Step some or all of described in second aspect either method.
7th aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has program code.Said program code includes any for executing first aspect of the embodiment of the present invention or second aspect
The instruction of step some or all of described in method.
Door control terminal binding method provided in an embodiment of the present invention, the display interface that mobile terminal passes through scanning door control terminal
The two dimensional code of upper display obtains the equipment identification information of door control terminal, and shows gate inhibition on the touching display screen of mobile terminal
The network settings interface of terminal;The network configuration information of user's typing is obtained by network settings interface;Pass through default sound wave letter
Number to door control terminal send carry network configuration information Network access control instruction, Network access control instruction be used to indicate
Door control terminal accesses wireless network according to network configuration information;Disappeared by wireless network to door control terminal sending device bind request
Breath, apparatus bound request message is used to indicate the equipment control authority of door control terminal registered mobile terminal, and sends out to mobile terminal
Send apparatus bound success message;Receiving device binding success message.As it can be seen that the embodiment of the present invention is without using dedicated access control system
Extension facility, it is only necessary to which mobile terminal used in everyday carries out simple setting operation by the mobile terminal, and mobile terminal is
The control authority to door control terminal can be obtained, convenient control of the mobile terminal to door control terminal is realized, advantageously reduces gate inhibition
System setup cost promotes the control convenience of door control terminal.
Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
It describes in detail below to the embodiment of the present invention.
Referring to Fig. 1, Fig. 1 is that the embodiment of the invention provides a kind of flow diagrams of door control terminal binding method, such as
Shown in figure, this door control terminal binding method is described from mobile terminal side, comprising:
S101, the two dimensional code shown on the display interface of mobile scanning terminal door control terminal, obtains the door control terminal
Equipment identification information, and show on the touching display screen of mobile terminal the network settings interface of the door control terminal;
Wherein, above-mentioned mobile terminal for example can be smart phone, tablet computer, wearable device etc. to be provided with touch-control aobvious
The electronic equipment of display screen.
For example, as shown in Fig. 1 .1, Fig. 1 .1 is showing for the display interface of door control terminal provided in an embodiment of the present invention
Example diagram, mobile terminal open preassembled door control terminal control application, sweep the functionality scan display by sweeping for the application
Two dimensional code on interface, to obtain the equipment identification information of door control terminal, after obtaining equipment identification information, the gate inhibition is whole
End control application can jump to opening of device prompting interface, as are shown in figure 1.2, and detect user's click " I has confirmed that "
After function button, the network settings interface as shown in Fig. 1 .3 is further jumped to.
S102, the mobile terminal obtain the network configuration information of user's typing by the network settings interface;
Wherein, the network configuration information, which specifically can be, covers the mobile terminal and door control terminal institute in place
The wireless network set, as home wireless router generate wireless network, etc..
S103, the mobile terminal carry the network configuration to door control terminal transmission by default acoustic signals
The Network access control of information instructs, and the Network access control instruction is used to indicate the door control terminal and is matched according to the network
Set information access wireless network;
In the specific implementation, mobile terminal guides interface harmony before can showing sonic transmissions as shown in Fig. 1 .4 and Fig. 1 .5
Wave just completes the transmission of the Network access control instruction in transport interface guidance user.
S104, the mobile terminal by the wireless network to the door control terminal sending device bind-request message,
The apparatus bound request message is used to indicate the equipment control authority that the door control terminal registers the mobile terminal, and to institute
State mobile terminal sending device binding success message;
Wherein, after mobile terminal sends Network access control instruction to door control terminal, door control terminal can match according to network
Information access wireless network is set, at this point, mobile terminal and door control terminal access the same wireless network.
S105, the mobile terminal receive the apparatus bound success message.
In the specific implementation, can show that the equipment as shown in Fig. 1 .6 is tied up when mobile terminal receiving device binding success message
It is fixed successfully to illustrate interface.
It can be seen that door control terminal binding method provided in an embodiment of the present invention, mobile terminal passes through scanning door control terminal
Display interface on the two dimensional code that shows, obtain the equipment identification information of door control terminal, and in the touching display screen of mobile terminal
The network settings interface of upper display door control terminal;The network configuration information of user's typing is obtained by network settings interface;Pass through
Default acoustic signals send the Network access control instruction for carrying network configuration information to door control terminal, and Network access control refers to
Order is used to indicate door control terminal and accesses wireless network according to network configuration information;By wireless network to door control terminal sending device
Bind-request message, apparatus bound request message are used to indicate the equipment control authority of door control terminal registered mobile terminal, and to
Mobile terminal sending device binding success message;Receiving device binding success message.As it can be seen that the embodiment of the present invention is without using special
With access control system extension facility, it is only necessary to mobile terminal used in everyday carries out simple setting operation by the mobile terminal,
Mobile terminal can obtain the control authority to door control terminal, realize convenient control of the mobile terminal to door control terminal, favorably
In reducing access control system setup cost, the control convenience of door control terminal is promoted.
Optionally, in some possible implementations, the mobile terminal receive the apparatus bound success message it
Afterwards, following operation is also executed:
The mobile terminal receives the doorbell Ringing message that the door control terminal is sent, and the doorbell Ringing message is described
What door control terminal was generated when detecting doorbell alarm event;The doorbell Ringing message is exported, and in the mobile terminal
Show that alarm event set interface, the alarm event set interface are pressed including at least look facility on the touching display screen
Button;When detecting that user is directed to the selection operation of the look facility button, image capturing instruction is sent to the door control terminal;
The environmental images that the door control terminal responds the image capturing instruction and sends are received, and are shown on the touching display screen
The environmental images.
Optionally, in some possible implementations, the mobile terminal detects user for the look facility
When the selection operation of button, following operation can also be performed:
Show that the appliance control interface of the door control terminal, the appliance control interface include on the touching display screen
Image viewing area and functional areas, the image viewing area are used to show the environmental images that the door control terminal captures, the function
Area includes door lock open function option, screenshotss function choosing-item, intercommunication function option, mute function option;
The mobile terminal shows that the specific implementation of the environmental images may is that on the touching display screen
The image viewing area of the appliance control interface shows the environmental images.
Optionally, in some possible implementations, the mobile terminal receive the apparatus bound success message it
Afterwards, following operation is also executed:
The mobile terminal is generated and is exported when receiving the recognition of face mismatch message that the door control terminal is sent
Visitor comes to visit reminder message, and the appliance control interface of the door control terminal, the equipment are shown on the touching display screen
Control interface includes image viewing area and functional areas, and the image viewing area is used to show the environment shadow that the door control terminal captures
Picture, the functional areas include door lock open function option, screenshotss function choosing-item, intercommunication function option, mute function option.
Optionally, in some possible implementations, the mobile terminal also executes following operation:
The mobile terminal is detecting user for the selection of the door lock open function option of the appliance control interface
When operation, unlocking control instruction is sent to the door control terminal, the control instruction is used to indicate the door control terminal and opens intelligence
It can door lock;Alternatively,
The mobile terminal is detecting user for the selection operation of the screenshotss function choosing-item of the appliance control interface
When, it intercepts the current image picture of the image viewing area and is stored in default storage region;Alternatively,
The mobile terminal is detecting user for the selection operation of the intercommunication function option of the appliance control interface
When, call control instruction is sent to the door control terminal, the call control instruction is used to indicate the door control terminal output and connects
The householder's voice messaging received, or the visitor's voice messaging obtained is sent to the mobile terminal.
It is consistent with above-mentioned embodiment of the method shown in FIG. 1, referring to Fig. 2, Fig. 2 is that the embodiment of the invention provides one kind
The flow diagram of door control terminal binding method, as shown, this door control terminal binding method is retouched from door control terminal side
It states, comprising:
S201, two-dimensional code display, the two dimensional code obtain door control terminal after being used for mobile scanning terminal in the display interface
The equipment identification information of door control terminal, and show on the touching display screen of mobile terminal network settings circle of the door control terminal
Face;
S202, the door control terminal carry the network by preset that acoustic signals receive that the mobile terminal sends
The Network access control of configuration information instructs, the network configuration information be user by network settings interface typing and by
The acquisition for mobile terminal;
S203, the door control terminal access wireless network according to the network configuration information;
S204, the door control terminal receive the apparatus bound request that the mobile terminal is sent by the wireless network and disappear
Breath, registers the equipment control authority of the mobile terminal, and to the mobile terminal sending device binding success message.
As can be seen that door control terminal provided in an embodiment of the present invention can inform mobile terminal device by two-dimensional code display
Mark, and the network configuration information wireless network rapid access sent according to mobile terminal, further send according to mobile terminal
Apparatus bound request message, the equipment control authority of the mobile terminal is registered, to realize door control terminal and mobile terminal
Between binding, be conducive to promoted door control terminal setting convenience.
Optionally, in some possible implementations, the door control terminal is bound to the mobile terminal sending device
After success message, following operation is also executed:
When detecting doorbell alarm event, doorbell Ringing message is generated;
The doorbell Ringing message is sent to the mobile terminal, the doorbell Ringing message is used to indicate described mobile whole
End shows that alarm event set interface, the alarm event set interface include at least look facility on the touching display screen
Button;
The image capturing instruction that the mobile terminal is sent is received, acquires environmental images, and send to the mobile terminal
The environmental images, the environmental images on the touching display screen of the mobile terminal for showing.
Optionally, in some possible implementations, the door control terminal is bound to the mobile terminal sending device
After success message, following operation is also executed:
Recognition of face is sent to the mobile terminal and mismatches message, and the recognition of face mismatches message and is used to indicate institute
It states mobile terminal to generate and export the visiting reminder message of visitor, and shows setting for the door control terminal on the touching display screen
Standby control interface, the appliance control interface include image viewing area and functional areas, and the image viewing area is described for showing
The environmental images that door control terminal captures, the functional areas include door lock open function option, screenshotss function choosing-item, intercommunication function choosing
Item, mute function option.
Optionally, in some possible implementations, the door control terminal also executes following operation:
The unlocking control instruction that the mobile terminal is sent is received, opens intelligent door lock, the unlocking control instruction is institute
State mobile terminal generation when detecting selection operation of the user for the door lock open function option of the appliance control interface
's;Alternatively,
The call control instruction that the mobile terminal is sent is received, exports the householder's voice messaging received, or to institute
It states mobile terminal and sends the visitor's voice messaging obtained, the call control instruction is that the mobile terminal is detecting user's needle
It is generated when to the selection operation of the intercommunication function option of the appliance control interface.
It is consistent with above-mentioned Fig. 1 and embodiment of the method shown in Fig. 2, referring to Fig. 3, Fig. 3 is that the embodiment of the present invention provides
A kind of flow diagram of door control terminal binding method, as shown, this door control terminal binding method be from mobile terminal and
The more sides of door control terminal are described, comprising:
S301, two-dimensional code display, the two dimensional code obtain door control terminal after being used for mobile scanning terminal in the display interface
The equipment identification information of door control terminal, and show on the touching display screen of mobile terminal network settings circle of the door control terminal
Face;
S302, the two dimensional code shown on the display interface of mobile scanning terminal door control terminal, obtains the door control terminal
Equipment identification information, and show on the touching display screen of mobile terminal the network settings interface of the door control terminal;
S303, the mobile terminal obtain the network configuration information of user's typing by the network settings interface;
S304, the mobile terminal carry the network configuration to door control terminal transmission by default acoustic signals
The Network access control of information instructs, and the Network access control instruction is used to indicate the door control terminal and is matched according to the network
Set information access wireless network;
S305, the door control terminal carry the network by preset that acoustic signals receive that the mobile terminal sends
The Network access control of configuration information instructs, the network configuration information be user by network settings interface typing and by
The acquisition for mobile terminal;
S306, the door control terminal access wireless network according to the network configuration information;
S307, the mobile terminal by the wireless network to the door control terminal sending device bind-request message,
The apparatus bound request message is used to indicate the equipment control authority that the door control terminal registers the mobile terminal, and to institute
State mobile terminal sending device binding success message;
S308, the door control terminal receive the apparatus bound request that the mobile terminal is sent by the wireless network and disappear
Breath, registers the equipment control authority of the mobile terminal, and to the mobile terminal sending device binding success message.
S309, the mobile terminal receive the apparatus bound success message.
It can be seen that door control terminal binding method provided in an embodiment of the present invention, mobile terminal passes through scanning door control terminal
Display interface on the two dimensional code that shows, obtain the equipment identification information of door control terminal, and in the touching display screen of mobile terminal
The network settings interface of upper display door control terminal;The network configuration information of user's typing is obtained by network settings interface;Pass through
Default acoustic signals send the Network access control instruction for carrying network configuration information to door control terminal, and Network access control refers to
Order is used to indicate door control terminal and accesses wireless network according to network configuration information;By wireless network to door control terminal sending device
Bind-request message, apparatus bound request message are used to indicate the equipment control authority of door control terminal registered mobile terminal, and to
Mobile terminal sending device binding success message;Receiving device binding success message.As it can be seen that the embodiment of the present invention is without using special
With access control system extension facility, it is only necessary to mobile terminal used in everyday carries out simple setting operation by the mobile terminal,
Mobile terminal can obtain the control authority to door control terminal, realize convenient control of the mobile terminal to door control terminal, favorably
In reducing access control system setup cost, the control convenience of door control terminal is promoted.
The following is an embodiment of the apparatus of the present invention, and apparatus of the present invention embodiment is realized for executing embodiment of the present invention method
Method.As shown in figure 4, the mobile terminal may include scanning element 401, acquiring unit 404, transmission unit 403 and receive
Unit 404, in which:
Scanning element 401, the two dimensional code shown on the display interface for scanning door control terminal, obtains the door control terminal
Equipment identification information, and show on the touching display screen of mobile terminal the network settings interface of the door control terminal;
Acquiring unit 402, for obtaining the network configuration information of user's typing by the network settings interface;
Transmission unit 403, for carrying the network configuration to door control terminal transmission by default acoustic signals
The Network access control of information instructs, and the Network access control instruction is used to indicate the door control terminal and is matched according to the network
Set information access wireless network;
The transmission unit 403 is also used to through the wireless network to the door control terminal sending device bind request
Message, the apparatus bound request message are used to indicate the equipment control authority that the door control terminal registers the mobile terminal,
And to the mobile terminal sending device binding success message;
Receiving unit 404, for receiving the apparatus bound success message.
Optionally, the receiving unit 404 is also used to after receiving the apparatus bound success message, described in reception
The doorbell Ringing message that door control terminal is sent, the doorbell Ringing message is that the door control terminal is detecting doorbell alarm event
Shi Shengcheng's;
The mobile terminal further include:
Output unit, for exporting the doorbell Ringing message, and on the touching display screen of the mobile terminal
Show that alarm event set interface, the alarm event set interface include at least look facility button;
The transmission unit 403, when being also used to detect that user is directed to the selection operation of the look facility button, to institute
It states door control terminal and sends image capturing instruction;
The receiving unit 404 is also used to receive the ring that the door control terminal responds the image capturing instruction and sends
Border image, and the environmental images are shown on the touching display screen.
Optionally, the mobile terminal further include:
Display unit, it is aobvious in the touch-control when for detecting that user is directed to the selection operation of the look facility button
Showing the appliance control interface of door control terminal described in screen display, the appliance control interface includes image viewing area and functional areas,
The image viewing area is used to show the environmental images that the door control terminal captures, and the functional areas include the choosing of door lock open function
Item, screenshotss function choosing-item, intercommunication function option, mute function option;
It is described the environmental images are shown on the touching display screen in terms of, the receiving unit is used for:
The environmental images are shown in the image viewing area of the appliance control interface.
Optionally, the mobile terminal further include:
Generation unit is used for after the receiving unit receives the apparatus bound success message, described receiving
When the recognition of face that door control terminal is sent mismatches message, generates and export the visiting reminder message of visitor, and is aobvious in the touch-control
Showing the appliance control interface of door control terminal described in screen display, the appliance control interface includes image viewing area and functional areas,
The image viewing area is used to show the environmental images that the door control terminal captures, and the functional areas include the choosing of door lock open function
Item, screenshotss function choosing-item, intercommunication function option, mute function option.
Optionally, the transmission unit 403 is also used to detecting that user opens for the door lock of the appliance control interface
When opening the selection operation of function choosing-item, unlocking control instruction is sent to the door control terminal, the control instruction is used to indicate institute
It states door control terminal and opens intelligent door lock;Alternatively,
The mobile terminal further include:
Screenshot unit, for detecting user for the selection operation of the screenshotss function choosing-item of the appliance control interface
When, it intercepts the current image picture of the image viewing area and is stored in default storage region;Alternatively,
Intercommunication unit, for detecting user for the selection operation of the intercommunication function option of the appliance control interface
When, call control instruction is sent to the door control terminal, the call control instruction is used to indicate the door control terminal output and connects
The householder's voice messaging received, or the visitor's voice messaging obtained is sent to the mobile terminal.
It should be noted that mobile terminal described in apparatus of the present invention embodiment is presented in the form of functional unit.
Term " unit " used herein above should be understood as meaning as widest as possible, for realizing function described by each " unit "
Object for example can be integrated circuit ASIC, single circuit, for executing the processing of one or more softwares or firmware program
Device (shared, dedicated or chipset) and memory, combinational logic circuit, and/or other conjunctions for realizing above-mentioned function are provided
Suitable component.
For example, the function of above-mentioned scanning element 401 can mobile terminal as shown in Figure 6 realize, specifically can be with
By processor 101 by calling the executable program code in memory 102, the display of door control terminal is scanned by camera
The two dimensional code shown on interface obtains the equipment identification information of the door control terminal, and on the touching display screen of mobile terminal
Show the network settings interface of the door control terminal;
It can be seen that door control terminal binding method provided in an embodiment of the present invention, mobile terminal passes through scanning door control terminal
Display interface on the two dimensional code that shows, obtain the equipment identification information of door control terminal, and in the touching display screen of mobile terminal
The network settings interface of upper display door control terminal;The network configuration information of user's typing is obtained by network settings interface;Pass through
Default acoustic signals send the Network access control instruction for carrying network configuration information to door control terminal, and Network access control refers to
Order is used to indicate door control terminal and accesses wireless network according to network configuration information;By wireless network to door control terminal sending device
Bind-request message, apparatus bound request message are used to indicate the equipment control authority of door control terminal registered mobile terminal, and to
Mobile terminal sending device binding success message;Receiving device binding success message.As it can be seen that the embodiment of the present invention is without using special
With access control system extension facility, it is only necessary to mobile terminal used in everyday carries out simple setting operation by the mobile terminal,
Mobile terminal can obtain the control authority to door control terminal, realize convenient control of the mobile terminal to door control terminal, favorably
In reducing access control system setup cost, the control convenience of door control terminal is promoted.
As shown in figure 5, the door control terminal may include that two dimensional code display unit 501, the first transmission unit 502, network connect
Enter unit 503 and binding unit 504, in which:
Two dimensional code display unit 501, for two-dimensional code display, the two dimensional code to be swept for mobile terminal in the display interface
The equipment identification information of door control terminal is obtained after retouching, and the net of the door control terminal is shown on the touching display screen of mobile terminal
Network set interface;
First transmission unit 502, it is described for receiving carrying for the mobile terminal transmission by default acoustic signals
The Network access control of network configuration information instructs, and the network configuration information is that user passes through network settings interface typing
And by the acquisition for mobile terminal;
Network insertion unit 503, for accessing wireless network according to the network configuration information;
Binding unit 504 disappears for receiving the apparatus bound request that the mobile terminal is sent by the wireless network
Breath, registers the equipment control authority of the mobile terminal, and to the mobile terminal sending device binding success message.
Optionally, the door control terminal further include:
Generation unit, in the binding unit 504 to after the mobile terminal sending device binding success message,
When detecting doorbell alarm event, doorbell Ringing message is generated;
Second transmission unit, for sending the doorbell Ringing message, the doorbell Ringing message to the mobile terminal
It is used to indicate the mobile terminal and shows that boundary is arranged in alarm event set interface, the alarm event on the touching display screen
Face includes at least look facility button;
Image control unit, the image capturing instruction sent for receiving the mobile terminal, acquisition environmental images, and to
The mobile terminal sends the environmental images, and the environmental images are used for the touching display screen in the mobile terminal
Display.
Optionally, the door control terminal further include:
Third transmission unit, in the binding unit 504 to the mobile terminal sending device binding success message
Later, recognition of face being sent to the mobile terminal and mismatching message, the recognition of face mismatch message is used to indicate described
Mobile terminal generates and exports the visiting reminder message of visitor, and the equipment of the door control terminal is shown on the touching display screen
Control interface, the appliance control interface include image viewing area and functional areas, and the image viewing area is for showing the door
Prohibit the environmental images that terminal captures, the functional areas include door lock open function option, screenshotss function choosing-item, intercommunication function choosing
Item, mute function option.
Optionally, the door control terminal further include:
First receiving unit, the unlocking control instruction sent for receiving the mobile terminal open intelligent door lock, described
Unlocking control instruction is the mobile terminal in the door lock open function option for detecting user for the appliance control interface
Selection operation when generate;Alternatively,
Second receiving unit, the call control instruction sent for receiving the mobile terminal, exports the householder received
Voice messaging, or the visitor's voice messaging obtained is sent to the mobile terminal, the call control instruction is the movement
Terminal is generated when detecting selection operation of the user for the intercommunication function option of the appliance control interface.
It should be noted that door control terminal described in apparatus of the present invention embodiment is presented in the form of functional unit.
Term " unit " used herein above should be understood as meaning as widest as possible, for realizing function described by each " unit "
Object for example can be integrated circuit ASIC, single circuit, for executing the processing of one or more softwares or firmware program
Device (shared, dedicated or chipset) and memory, combinational logic circuit, and/or other conjunctions for realizing above-mentioned function are provided
Suitable component.
For example, the function of above-mentioned two dimensional code display unit 501 can door control terminal as shown in Figure 7 realize to have
Body can show two dimension by processor 201 by calling the executable program code in memory 202 in the display interface
Code.
As can be seen that door control terminal provided in an embodiment of the present invention can inform mobile terminal device by two-dimensional code display
Mark, and the network configuration information wireless network rapid access sent according to mobile terminal, further send according to mobile terminal
Apparatus bound request message, the equipment control authority of the mobile terminal is registered, to realize door control terminal and mobile terminal
Between binding, be conducive to promoted door control terminal setting convenience.
The embodiment of the invention also provides a kind of mobile terminals, as shown in Figure 6, comprising: processor 101, memory 102,
Communication interface 103, communication bus 104;Wherein, processor 101, memory 102 and communication interface 103 pass through communication bus 104
It connects and completes mutual communication;The wireless communication that processor 101 passes through communication interface 103 control and External cell net;It is logical
Believe that interface 103 includes but is not limited to antenna, amplifier, transceiver, coupler, LNA (Low Noise Amplifier, low noise
Acoustic amplifier), duplexer etc..Memory 102 comprises at least one of the following: random access memory, nonvolatile memory with
And external memory, executable program code is stored in memory 102, which being capable of bootstrap processor
The door control terminal binding method specifically disclosed in 101 execution embodiment of the present invention method, comprising the following steps:
The processor 101 scans the two dimensional code that shows on the display interface of door control terminal by camera, described in acquisition
The equipment identification information of door control terminal, and show on the touching display screen of mobile terminal network settings circle of the door control terminal
Face;
The processor 101 obtains the network configuration information of user's typing by the network settings interface;
The processor 101 carries the network configuration information to door control terminal transmission by default acoustic signals
Network access control instruction, Network access control instruction is used to indicate the door control terminal and believed according to the network configuration
Breath access wireless network;
The processor 101 is by the communication interface 103 and the wireless network to the door control terminal sending device
Bind-request message, the apparatus bound request message are used to indicate the equipment control that the door control terminal registers the mobile terminal
Permission processed, and to the mobile terminal sending device binding success message;
The processor 101 receives the apparatus bound success message by the communication interface 103.
It can be seen that door control terminal binding method provided in an embodiment of the present invention, mobile terminal passes through scanning door control terminal
Display interface on the two dimensional code that shows, obtain the equipment identification information of door control terminal, and in the touching display screen of mobile terminal
The network settings interface of upper display door control terminal;The network configuration information of user's typing is obtained by network settings interface;Pass through
Default acoustic signals send the Network access control instruction for carrying network configuration information to door control terminal, and Network access control refers to
Order is used to indicate door control terminal and accesses wireless network according to network configuration information;By wireless network to door control terminal sending device
Bind-request message, apparatus bound request message are used to indicate the equipment control authority of door control terminal registered mobile terminal, and to
Mobile terminal sending device binding success message;Receiving device binding success message.As it can be seen that the embodiment of the present invention is without using special
With access control system extension facility, it is only necessary to mobile terminal used in everyday carries out simple setting operation by the mobile terminal,
Mobile terminal can obtain the control authority to door control terminal, realize convenient control of the mobile terminal to door control terminal, favorably
In reducing access control system setup cost, the control convenience of door control terminal is promoted.
In addition, the executable program code stored in above-mentioned memory 102 is also used to execute above-mentioned gate inhibition's end shown in FIG. 1
Hold the correlation step of binding method.The step of doorbell Ringing message that the door control terminal as described in receiving is sent, etc..
The embodiment of the invention also provides a kind of door control terminals, as shown in fig. 7, comprises: processor 201, memory 202,
Communication interface 203, communication bus 204;Wherein, processor 201, memory 202 and communication interface 203 pass through communication bus 204
It connects and completes mutual communication;The wireless communication that processor 201 passes through communication interface 203 control and External cell net;It is logical
Believe that interface 203 includes but is not limited to antenna, amplifier, transceiver, coupler, LNA (Low Noise Amplifier, low noise
Acoustic amplifier), duplexer etc..Memory 202 comprises at least one of the following: random access memory, nonvolatile memory with
And external memory, executable program code is stored in memory 202, which being capable of bootstrap processor
The door control terminal binding method specifically disclosed in 201 execution embodiment of the present invention method, comprising the following steps:
Two-dimensional code display, the two dimensional code obtain the processor 201 after being used for mobile scanning terminal in the display interface
The equipment identification information of door control terminal, and show on the touching display screen of mobile terminal network settings circle of the door control terminal
Face;
The processor 201 carries the network configuration by preset that acoustic signals receive that the mobile terminal sends
The Network access control of information instructs, and the network configuration information is user by network settings interface typing and by described
Acquisition for mobile terminal;
The processor 201 accesses wireless network according to the network configuration information;
The processor 201 receives the apparatus bound request message that the mobile terminal is sent by the wireless network,
Register the equipment control authority of the mobile terminal, and to the mobile terminal sending device binding success message.
As can be seen that door control terminal provided in an embodiment of the present invention can inform mobile terminal device by two-dimensional code display
Mark, and the network configuration information wireless network rapid access sent according to mobile terminal, further send according to mobile terminal
Apparatus bound request message, the equipment control authority of the mobile terminal is registered, to realize door control terminal and mobile terminal
Between binding, be conducive to promoted door control terminal setting convenience
In addition, the executable program code stored in above-mentioned memory 202 is also used to execute above-mentioned gate inhibition's end shown in Fig. 2
Hold the correlation step of binding method.Such as when detecting doorbell alarm event, generate doorbell Ringing message the step of, etc..
The embodiment of the invention also provides another mobile terminals, as shown in figure 8, for ease of description, illustrate only with
The relevant part of the embodiment of the present invention, it is disclosed by specific technical details, please refer to present invention method part.The movement
Terminal can be include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS
Any terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, by taking mobile terminal is mobile phone as an example:
Fig. 8 shows the block diagram of the part-structure of mobile phone relevant to mobile terminal provided in an embodiment of the present invention.Ginseng
Fig. 8 is examined, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 810, memory 820, input unit 830, display unit
840, sensor 850, voicefrequency circuit 860, Wireless Fidelity (Wireless Fidelity, WiFi) module 870, processor 880,
And the equal components of power supply 880.It will be understood by those skilled in the art that handset structure shown in Fig. 8 is not constituted to mobile phone
It limits, may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 8 to mobile phone:
RF circuit 810 can be used for sending and receiving for information.In general, RF circuit 810 includes but is not limited to antenna, at least one
A amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuit 810 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code it is point more
Location (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division
Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service
(Short Messaging Service, SMS) etc..
Memory 820 can be used for storing software program and module, and processor 880 is stored in memory 820 by operation
Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 820 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence (touch control operation detection function etc.) etc.;Storage data area, which can be stored, uses created data (such as network according to mobile phone
Configuration information etc.) etc..In addition, memory 820 may include high-speed random access memory, it can also include non-volatile memories
Device, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Input unit 830 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 830 may include fingerprint recognition mould group 831 and other are defeated
Enter equipment 832.Fingerprint recognition mould group 831 can acquire the finger print data of user on it.In addition to fingerprint recognition mould group 831, input
Unit 830 can also include other input equipments 832.Specifically, other input equipments 832 can include but is not limited to touch-control
One of screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
Or it is a variety of.
Display unit 840 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 840 may include display screen 841, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Display screen 841.Although in fig. 8, fingerprint recognition mould group 831 and display screen 841 are to realize mobile phone as two independent components
Input and input function, but it is in some embodiments it is possible to fingerprint recognition mould group 831 and display screen 841 is integrated and real
The input and playing function of existing mobile phone.
Mobile phone may also include at least one sensor 850, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display screen 841, proximity sensor can when mobile phone is moved in one's ear, close display screen 841 and/or
Backlight.As a kind of motion sensor, accelerometer sensor can detect all directions on (generally three axis) acceleration it is big
It is small, can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching, phase
Close game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.;It can also configure as mobile phone
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, details are not described herein.
Voicefrequency circuit 860, loudspeaker 861, microphone 862 can provide the audio interface between user and mobile phone.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 861, be converted to sound by loudspeaker 861 by road 860
Signal plays;On the other hand, the voice signal of collection is converted to electric signal by microphone 862, is turned after being received by voicefrequency circuit 860
It is changed to audio data, then by after the processing of audio data playback process device 880, such as another mobile phone is sent to through RF circuit 810,
Or audio data is played to memory 820 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 870
Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 8 is shown
WiFi module 870, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely
Become in the range of the essence of invention and omits.
Processor 880 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 820, and call and be stored in memory 820
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 880 can wrap
Include one or more processing units;Preferably, processor 880 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 880.
Mobile phone further includes the power supply 880 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 880 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In aforementioned embodiment shown in FIG. 1, each step method process can be realized based on the structure of the mobile phone.
In aforementioned embodiment shown in Fig. 4, each unit function can be realized based on the structure of the mobile phone.
The embodiment of the invention also provides another door control terminals, as shown in figure 9, for ease of description, illustrate only with
The relevant part of the embodiment of the present invention, it is disclosed by specific technical details, please refer to present invention method part.Fig. 9 shows
Out be door control terminal relevant to mobile terminal provided in an embodiment of the present invention part-structure block diagram.With reference to Fig. 9, gate inhibition
Terminal includes: memory 920, input unit 930, display unit 940, sensor 950, voicefrequency circuit 960, Wireless Fidelity
The components such as (Wireless Fidelity, WiFi) module 970, processor 990 and power supply 990.Those skilled in the art can
To understand, door control terminal structure shown in Fig. 9 does not constitute the restriction to door control terminal, may include more or more than illustrating
Few component perhaps combines certain components or different component layouts.
It is specifically introduced below with reference to each component parts of the Fig. 9 to door control terminal:
Memory 920 can be used for storing software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, thereby executing the various function application and data processing of door control terminal.Memory 920 can be main
Including storing program area and storage data area, wherein storing program area can answer needed for storage program area, at least one function
With program (touch control operation detection function etc.) etc.;Storage data area, which can be stored, uses created data according to door control terminal
(such as network configuration information etc.) etc..In addition, memory 920 may include high-speed random access memory, it can also include non-
Volatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Input unit 930 can be used for receiving the number or character information of input, and generates and set with the user of door control terminal
It sets and the related key signals of function control inputs.Specifically, input unit 930 may include camera 931 and other inputs
Equipment 932.Camera 931 can acquire environmental images.In addition to camera 931, input unit 930 can also include other inputs
Equipment 932.Specifically, other input equipments 932 can include but is not limited to touch screen, physical keyboard, function key (such as volume
Control button, switch key etc.), trace ball, mouse, one of operating stick etc. or a variety of.
Display unit 940 can be used for showing information input by user or the information and door control terminal that are supplied to user
Various menus.Display unit 940 may include display screen 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Display screen 941.Although camera 931 and display screen 941 are to realize door control terminal as two independent components in Fig. 9
Input and input function, but in some embodiments it is possible to camera 931 and display screen 941 are integrated and realize gate inhibition's end
The input and playing function at end.
Door control terminal may also include at least one sensor 950, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display screen 941, and proximity sensor can close display screen when door control terminal is moved in one's ear
941 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add
The size of speed can detect that size and the direction of gravity when static, the application that can be used to identify door control terminal posture is (such as horizontal
Vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.;As for door
Prohibit the other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor that terminal can also configure, herein no longer
It repeats.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the audio interface between user and door control terminal.Sound
Electric signal after the audio data received conversion can be transferred to loudspeaker 961, be converted to by loudspeaker 961 by frequency circuit 960
Voice signal plays;On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is received by voicefrequency circuit 960
After be converted to audio data, then by after the processing of audio data playback process device 990, such as moved through WiFi module 970 with being sent to
Dynamic terminal, or audio data is played to memory 920 to be further processed.
WiFi belongs to short range wireless transmission technology, and door control terminal can help user to receive and dispatch electricity by WiFi module 970
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 9 shows
Go out WiFi module 970, but it is understood that, and it is not belonging to must be configured into for door control terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Processor 990 is the control centre of door control terminal, utilizes each of various interfaces and the entire door control terminal of connection
A part by running or execute the software program and/or module that are stored in memory 920, and calls and is stored in storage
Data in device 920 execute the various functions and processing data of door control terminal, to carry out integral monitoring to door control terminal.It can
Choosing, processor 990 may include one or more processing units;Preferably, processor 990 can integrate application processor and modulation
Demodulation processor, wherein the main processing operation system of application processor, user interface and application program etc., modulation /demodulation processing
Device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Door control terminal further includes the power supply 980 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 980 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.
Although being not shown, door control terminal can also include camera, bluetooth module etc., and details are not described herein.
In aforementioned embodiment shown in Fig. 2, each step method process can be realized based on the structure of the door control terminal.
In aforementioned embodiment shown in fig. 5, each unit function can be realized based on the structure of the door control terminal.
The embodiment of the present invention also provides a kind of computer storage medium, wherein the computer storage medium can be stored with journey
Sequence, the program include some or all of any door control terminal binding method recorded in above method embodiment when executing
Step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas;
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.