CN206480752U - A kind of wearable device and its array signal processing circuit - Google Patents
A kind of wearable device and its array signal processing circuit Download PDFInfo
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- CN206480752U CN206480752U CN201621468012.8U CN201621468012U CN206480752U CN 206480752 U CN206480752 U CN 206480752U CN 201621468012 U CN201621468012 U CN 201621468012U CN 206480752 U CN206480752 U CN 206480752U
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Abstract
The utility model discloses a kind of wearable device and its array signal processing circuit.The array signal processing circuit includes:Antenna tuning circuit, signal processor and comparator;Antenna tuning circuit includes control end, load end and signal source end, load end connects the antenna of wearable device, signal source end connects the first input end of comparator, second input incoming reference signal of comparator, the output end of comparator connects the input of signal processor, and the output end of signal processor is connected with the control end;The comparative result that signal processor is exported by comparator obtains adjustment signal, and adjusts the matching impedance of antenna tuning circuit by adjusting signal, realizes the dynamic adjustment of aerial signal.The utility model can be directed to influence of the Different Individual to wearable device antenna performance, and Automatic Optimal antenna performance makes Antenna Operation in optimum state, improves the quality of aerial signal.
Description
Technical field
The utility model is related to wearable device field, more particularly to a kind of wearable device and its array signal processing electricity
Road.
Background technology
During the Antenna Design of wearable device, such as intelligent watch is limited to the volume of intelligent watch, generally intelligence
After the completion of Antenna Design in wrist-watch, the factor such as antenna tuning circuit, antenna environment of intelligent watch enough will all be fixed, accordingly
, the antenna performance of intelligent watch is also to determine (fixation).However, the change of the use environment due to intelligent watch, such as individual
Body difference, individual wear the factors such as posture, and the antenna performance of intelligent watch can be made to be deteriorated, Consumer's Experience is finally influenceed.
Utility model content
In view of the above problems, based on a purpose of the present utility model, the utility model provides a kind of wearable device
Array signal processing circuit, with solve Mobile state can not be entered to the aerial signal of wearable device according to the change of use environment
Adjustment causes the problem of antenna performance is deteriorated.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
On the one hand, the utility model provides a kind of array signal processing circuit of wearable device, including:Antenna tuning
Circuit, signal processor and comparator;
The antenna tuning circuit includes control end, load end and signal source end, and the load end connects wearable device
Antenna, the signal source end connects the first input end of the comparator, the second input access reference of the comparator
Signal, the output end of the comparator connects the input of signal processor, the output end of the signal processor and the control
End connection processed;
The comparative result that the signal processor is exported by comparator is adjusted signal, and is adjusted by adjusting signal
The matching impedance of antenna tuning circuit, realizes the dynamic adjustment of the aerial signal.
Based on another purpose of the present utility model, the utility model provides a kind of wearable device, to solve to wear
Wearing equipment can not avoid individual difference XOR from dressing the problem of difference causes aerial signal deterioration.
To reach above-mentioned purpose, the utility model embodiment provides a kind of wearable device, including above-mentioned antenna letter
Number process circuit.
The beneficial effects of the utility model are:The utility model by the way that antenna tuning circuit is handled after aerial signal hair
Give comparator, rather than by RSSI (the Received Signal Strength of the signal from baseband processing circuitry
Indication, the signal intensity of reception is indicated) intensity level of value and reference signal is compared, and then signal processor can
It is compared using the intensity level of real antenna signal and the intensity level of reference signal, antenna tune is accurately adjusted according to comparative result
The matching impedance of humorous circuit, antenna tuning circuit is carried out using the matching impedance after adjustment to the aerial signal subsequently from antenna
Matching treatment, it is thus possible to avoid individual difference XOR from dressing influence of the difference to the antenna performance of wearable device, by changing
The matching impedance of antenna tuning circuit, Automatic Optimal antenna performance makes the Antenna Operation of wearable device in optimum state, and then
Making the performance of aerial signal is improved.
Brief description of the drawings
The structured flowchart for the array signal processing circuit that Fig. 1 provides for the utility model embodiment;
The schematic diagram for the array signal processing circuit that Fig. 2 provides for the utility model embodiment;
The structured flowchart for the wearable device that Fig. 3 provides for the utility model embodiment.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
For wearable devices such as such as intelligent watch, antenna performance is determined after the completion of Antenna Design, it is adaptable to wearable to set
The standby antenna environment in when designing, when the use environment of wearable device changes, such as when using intelligent watch, by
Antenna performance is caused in the external factor such as Different Individual wrist and body to deteriorate, the day that especially wearable device is received
The situation of the degradation of line signal.
Basic Design thinking of the present utility model is:The adjustable antenna tuning circuit of matching impedance is set, adjusted in antenna
Humorous circuit generates antenna tuning signal after carrying out impedance matching processing to the aerial signal from antenna, utilizes antenna tuning signal
It is compared with a reference signal, when the quality of antenna tuning signal is worse than the quality of reference signal, adjustment antenna tuning electricity
The matching impedance on road, and then the quality of aerial signal is adjusted, improve the quality of aerial signal.
Embodiment one
The structured flowchart for the array signal processing circuit that Fig. 1 provides for the utility model embodiment, as shown in figure 1, the day
Line signal processing circuit includes:Antenna tuning circuit 11, signal processor 12 and comparator 13;
Antenna tuning circuit 11 includes control end, load end and signal source end, wherein, load end connection wearable device
Antenna 1, signal source end connects the first input end of comparator 13, and the second input incoming reference signal of comparator 13 compares
The output end of device 13 connects the input of signal processor 12, the output end of signal processor 12 and the control of antenna tuning circuit 11
End connection processed;
The aerial signal that the reception antenna 1 of antenna tuning circuit 11 is sent, and impedance is carried out to the aerial signal received
With processing, the aerial signal after matching treatment is sent to comparator 13;Comparator 13 to the aerial signal after matching treatment and
Reference signal carries out signal intensity comparison, and generation comparative result is sent to signal processor 12;Signal processor 12 is by comparing
The comparative result that device 13 is exported is adjusted signal, and adjusts the matching impedance of antenna tuning circuit by adjusting signal, for example
Signal processor 12 can remain current right when comparative result is more than the intensity of reference signal for the signal intensity of aerial signal
The adjustment mode of the matching impedance of antenna tuning circuit, is less than reference signal in comparative result for the signal intensity of aerial signal
During intensity, change the adjustment mode to the matching impedance of antenna tuning circuit, make antenna tuning circuit using the matching after adjustment
Impedance carries out matching treatment to the aerial signal subsequently from antenna, and then realizes the dynamic adjustment of aerial signal.
The present embodiment by the way that antenna tuning circuit is handled after aerial signal be sent to comparator, rather than base will be come from
(Received Signal Strength Indication, the signal intensity of reception refers to the RSSI of the signal of tape handling circuit
Show) intensity level of value and reference signal is compared, and then signal processor can using real antenna signal intensity level with
The intensity level of reference signal is compared, and the matching impedance of antenna tuning circuit, antenna tuning are accurately adjusted according to comparative result
Circuit carries out matching treatment using the matching impedance after adjustment to the aerial signal subsequently from antenna, it is thus possible to avoid individual
The influence of difference or wearing difference to the antenna performance of wearable device, by changing the matching impedance of antenna tuning circuit, from
Dynamic optimization antenna performance, makes the Antenna Operation of wearable device in optimum state, and then improved the performance of aerial signal.
In an implementation of the present embodiment, the array signal processing circuit in Fig. 1 also includes signal deteching circuit
And sign register;The input of signal deteching circuit connects the signal source end of antenna tuning circuit 11, signal deteching circuit
Two output ends connect the first input end and sign register of comparator 13 respectively;Reference signal is preserved in sign register
Intensity level, second input of the sign register respectively with signal processor 12 and comparator 13 be connected.
Signal deteching circuit receives the signal from the signal source end of antenna tuning circuit 11, and by the signal intensity detected
Value is sent respectively to comparator 13 and sign register;Signal processor utilizes signal by control signal control signal register
Intensity level updates the intensity level of reference signal, makes comparator by the reference signal after the signal strength values of subsequent time and renewal
Intensity level is compared.
In the design process, a kind of acquisition control signal that signal processor 12 can be in following two ways:
Mode one:Signal processor 12 is receiving the comparative result of the transmission of comparator 13, that is, is receiving signal intensity
When value is more than reference signal strength value, or signal strength values less than reference signal strength value, control signal is obtained;
Mode two:Signal processor 12 is that signal strength values are more than reference signal strength value in the comparative result received
When, control signal is obtained, signal processor is that signal strength values are more than reference signal strength value not in the comparative result received
Generate control signal.
In this implementation, the control signal that the employing mode one of signal processor 12 is obtained does not differentiate between current demand signal strong
Difference between angle value and reference signal strength value, updates reference signal strength using the signal strength values at current time in real time
Value, is compared the signal strength values of subsequent time and the signal strength values of last moment, and then comparator can compare phase
The signal intensity difference at adjacent moment, signal processor can compare result according to the signal intensity of adjacent moment, and adjustment antenna is adjusted
The matching impedance of humorous circuit, makes the quality of the aerial signal of subsequent time be better than last moment, realizes the dynamic tune of aerial signal
It is whole;The control signal that the employing mode two of signal processor 12 is obtained, the only signal strength values at current time are more than reference signal
Reference signal strength value is updated during intensity level, the ginseng for alloing comparator gradually to increase follow-up signal strength values and intensity level
Examine signal to be compared, the matching impedance that signal processor can adjust antenna tuning circuit becomes closer to optimal value;In reality
In the application of border, control signal can be generated using any of the above-described kind of mode with modelled signal processor 12 as needed.
In actual applications, the array signal processing circuit in Fig. 1 also includes radio circuit, baseband processing circuitry and coupling
Device;
Wherein, the input of coupler connects the signal source end of antenna tuning circuit, the first output end connection of coupler
One end of radio circuit, the second output end of coupler connects the input of signal deteching circuit, and the other end of radio circuit connects
Baseband processing circuitry is connect, the radio frequency that baseband processing circuitry, radio circuit, coupler and antenna tuning circuit constitute aerial signal leads to
Road, the reception and transmission of the aerial signal of wearable device can be realized by the radio frequency path.
Coupler in the present embodiment is two sub-signal couplers, when antenna signal processing circuit handles the day from antenna
During line signal, the aerial signal after the matching that coupler exports antenna tuning circuit is divided into two paths of signals, wherein signal all the way
Radio frequency path is sent to, wearable device is sent to through baseband processing circuitry, the reception of aerial signal, another road signal hair is completed
Signal deteching circuit is given, the matching impedance of generation adjustment antenna tuning circuit after comparator, signal processor processes
Adjust signal;In transmission signal of the array signal processing processing of circuit from wearable device, coupler will be by base band
Transmission signal after reason circuit, radio circuit processing is sent to antenna tuning circuit and is tuned after processing, tuning process through day
Line is launched.
In actual applications, signal processor and/or the central controller that baseband processing circuitry is wearable device, to save
The design space of wearable device is saved, component is saved.
Wherein, the antenna tuning circuit in the present embodiment is with three ports (i.e. control end, load end and signal source
End) circuit, receive adjustment signal as long as the circuit structure of antenna tuning circuit can pass through control end and carry out matching impedance
Regulation, the present embodiment does not limit the concrete structure of antenna tuning circuit, when realizing, antenna tuning circuit can be π type knots
The structures such as structure, well structure.
Exemplarily, for ease of illustration tune of the signal processor to the matching impedance of antenna tuning circuit in the present embodiment
Whole, the present embodiment combination Fig. 2 is illustrated.
The schematic diagram for the array signal processing circuit that Fig. 2 provides for the present embodiment, as shown in Fig. 2 the array signal processing
Circuit includes:Antenna tuning circuit 11, signal processor 12, comparator 13, two sub-signal couplers 14, signal deteching circuit
15th, sign register 16, radio circuit BF 17, baseband processing circuitry 18;
Wherein, antenna tuning circuit 11 includes three ports, respectively control end, load end and signal source end, load end
The antenna 1 of wearable device is connected, signal source end connects the input of two sub-signal couplers 14, two sub-signal couplers 14
First output end connection radio circuit BF 17 one end, radio circuit BF 17 other end connection baseband processing circuitry 18, two
Second output end of sub-signal coupler 14 connects the input of signal deteching circuit 15, two outputs of signal deteching circuit 15
End is connected respectively preserves in the first input end of comparator 13 and the first input end of sign register 16, sign register 16
The intensity level of reference signal, the second input connection signal processor 12 of sign register 16, the output of sign register 16
Second input of end connection comparator 13, the output end of comparator 13 connects the input of signal processor 12.
With reference to Fig. 2, the array signal processing circuit shown in Fig. 2 has three signal paths, wherein, signal path S1 letter
Number handling process is:
The aerial signal received is sent to antenna tuning circuit 11 and carries out impedance matching processing, antenna tuning by antenna 2
Aerial signal after impedance matching is handled is sent to two sub-signal couplers 14 by circuit 11, and two sub-signal couplers 14 can
So that the signal received is divided into two-way coupled signal according to set proportion, original signal will be included (i.e. in two-way coupled signal
Aerial signal after impedance matching is handled) the relatively little of coupled signal all the way of composition is sent to signal deteching circuit 15, wraps
The many coupled signal all the way relatively containing original signal is sent to radio circuit BF 17.For example, according to 2:8 ratio, by what is received
Aerial signal after impedance matching is handled is divided into two-way, wherein coupled signal will be sent to and penetrate for the 80% of original signal all the way
Frequency circuit BF 17, another road coupled signal will be sent to signal deteching circuit 15 for the 20% of original signal.
Signal deteching circuit 15 detects the signal strength values of coupled signal received, and by the signal strength values detected
Comparator 13 is sent to, comparator 13 is by the signal strength values of the coupled signal from signal deteching circuit 15 with being posted from signal
The signal strength values of the reference signal of storage 16 are compared, and generation comparative result is sent to signal processor 12, signal transacting
Device 12 adjusts the matching impedance of antenna tuning circuit 11 according to comparative result generation adjustment signal.
It should be noted that the signal strength values detected are also sent to signal and posted by the sign register 16 of the present embodiment
Storage 16, sign register 16 updates reference signal according to the control signal from signal processor 12 using signal strength values
Intensity level, comparator 13 is compared the intensity level of the reference signal after the signal strength values of subsequent time and renewal;
Wherein, signal processor 12 can be will not be repeated here using aforesaid way one or the generation control signal of mode two.
Exemplarily, the antenna tuning circuit of the present embodiment is π type structures, it is clear that can also set antenna tuning circuit
Be calculated as well type, the other structures such as T-shaped.
With reference to Fig. 2, antenna tuning circuit 11 includes the first inductance L1, the first electric capacity C1 and the second electric capacity C2;First inductance
L1 one end connects the load end of antenna tuning circuit 11, and the other end connects the signal source end of antenna tuning circuit 12;First electricity
The one end for holding C1 connects the signal source end of antenna tuning circuit 11, other end ground connection;Second electric capacity C2 one end connection antenna is adjusted
The load end of humorous circuit 11, other end ground connection.
Wherein, the first electric capacity C1 and the second electric capacity C2 are voltage controlled capacitor, and signal processor 12 includes adjustment voltage controlled capacitor
The voltage branch 121 of capacitance;
Signal processor 12 passes through the voltage branch 121, the comparative result sent according to comparator 13, according to the step of setting
Enter value increase or reduce the magnitude of voltage of voltage branch 121, the first electric capacity C1 and the second electric capacity C2 capacitance is occurred accordingly
Change, and then change the matching impedance of antenna tuning circuit.Specifically, signal strength values of the signal processor 12 at current time
Not less than reference signal signal strength values when, the magnitude of voltage of voltage branch is adjusted according to current means of voltage regulation, otherwise,
Change means of voltage regulation, and according to the magnitude of voltage of the means of voltage regulation adjustment voltage branch after change.
Exemplarily, the circuit structure with reference to shown in Fig. 2, it is assumed that the current electricity to voltage branch 121 of signal processor 12
Pressure value VCT adjustment mode is to increase magnitude of voltage according to the step value of setting, if the comparative result that signal processor 12 is received
It is more than the signal strength values of reference signal for the signal strength values of the coupled signal at current time, illustrates to voltage branch 121
Magnitude of voltage VCT adjustment mode is correct, and now signal processor 12 continues to increase voltage branch 121 according to the step value of setting
Magnitude of voltage VCT;If the comparative result that signal processor 12 is received is less than for the signal strength values of the coupled signal at current time
The signal strength values of reference signal, illustrate incorrect to the magnitude of voltage VCT of voltage branch 121 adjustment mode, now at signal
The magnitude of voltage VCT that device 12 reduces voltage branch 121 according to the step value of setting is managed, changes the first electric capacity C1's and the second electric capacity C2
Capacitance, and then change the matching impedance of antenna tuning circuit, realize and the dynamic of aerial signal is adjusted.
It should be noted that Fig. 2, which illustrates signal processor 12, includes a voltage branch, a voltage branch is utilized
The first electric capacity C1 and the second electric capacity C2 capacitance synchronously change in road adjustment antenna tuning circuit;In the design process, signal
Processor can also correspond to the voltage branch of voltage controlled capacitor quantity, i.e., including first voltage branch road and second voltage branch road, profit
The capacitance of the first electric capacity C1 in antenna tuning circuit is adjusted with first voltage branch road, and utilizes second voltage branch road adjustment day
Second electric capacity C2 capacitance in line tuning circuit.
Explanation is needed further exist for, in order to avoid shadow of the DC current in antenna tuning circuit 11 to aerial signal
Ring, the array signal processing circuit in the present embodiment also includes the first capacitance C3 and the second capacitance C4, the first blocking
Electric capacity C3 is connected between the input of two sub-signal couplers 14 and the signal source end of antenna tuning circuit 11, the second blocking electricity
Hold C4 to be connected between the load end of antenna tuning circuit 11 and antenna 1.
Signal path S2 signal processing flow is:
Two sub-signal couplers 14 will be wrapped after the signal received is divided into two-way coupled signal in two-way coupled signal
The many coupled signal all the way relatively containing original signal is sent to radio circuit BF 17, and 17 pairs of coupled signals of radio circuit BF are carried out
Demodulation process, baseband processing circuitry 18, the signal demodulated signal that 18 pairs of baseband processing circuitry is received are sent to by demodulated signal
Analog/digital conversion processing is carried out, obtains data signal and be sent to the microprocessor of wearable device being handled accordingly.
Signal path S3 signal processing flow is:
Transmission signal is sent to baseband processing circuitry 18 and carries out D/A switch processing by the microprocessor of wearable device,
Obtain analog signal and be sent to radio circuit BF 17, radio circuit BF 17 is modulated processing to analog signal, modulation is believed
Number two sub-signal couplers 14 are sent to, now the first output end and the second output end of two sub-signal couplers 14 correspond to defeated
Enter end, and input is as output end, i.e. now equivalent to one combining element of two sub-signal couplers 14, two sub-signals are coupled
(actually the second input is not for the signal that the adjustment signal and the second input that device 14 receives first input end are received
Having signal) combining is sent to antenna tuning circuit 11 for signal all the way and carries out impedance matching processing, antenna 1 is sent to after processing and is entered
Row transmitting.
The signal processing flow of three signal paths shown in the present embodiment Fig. 2, signal path S1 and signal pass through S2
Aerial signal from antenna is handled, signal path S3 enters to the transmission signal of the microprocessor from wearable device
Row processing, wherein the utility model is handled aerial signal accordingly by signal path S2, realizes aerial signal
Dynamic adjustment, improves the quality of aerial signal.
Embodiment two
Based on the identical technical concept of embodiment one, present embodiments provide a kind of intelligent watch.
The structured flowchart for the intelligent watch that Fig. 3 provides for the utility model embodiment, as shown in figure 3, the intelligence of the present embodiment
Energy wrist-watch includes array signal processing circuit 31, and the array signal processing circuit 31 is connected to antenna and the center of wearable device
Between controller CPU, the adjustment to its aerial signal by the array signal processing circuit realiration improves the day received
The quality of line signal.
The circuit structure reference implementation example one of the array signal processing circuit 31 of the present embodiment, will not be repeated here.
Wherein, the wearable device of this implementation is the miniaturization mobile device such as intelligent watch, intelligent glasses.In design process
In, to save center control of the microprocessor in the space of wearable device, and section component, the present embodiment for intelligent watch
The action such as judgement, calculating, control that signal processor is performed in device CPU processed, i.e. array signal processing circuit is by wearable device
Central controller CPU perform.
The central controller CPU of wearable device is the arithmetic core and control core of wearable device, can be according to can wear
The function of wearing equipment realizes that the component of central controller CPU and wearable device is attached, if wearable device is supported to touch
Shield function, the touch-screen of intelligent watch should be connected with central controller CPU.
Baseband processing circuitry in usual array signal processing circuit is also substantially a microcontroller, therefore, day
Baseband processing circuitry in line signal processing circuit can also be the central controller CPU of wearable device.
For the ease of clearly describing the technical scheme of the utility model embodiment, in the embodiment of utility model, use
Printed words such as " first ", " second " are to function and act on essentially identical identical entry or similar item makes a distinction, art technology
Personnel are appreciated that the printed words such as " first ", " second " are not defined to quantity and execution order.
It is described above, embodiment only of the present utility model, under above-mentioned teaching of the present utility model, this area
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions are more preferable explanation the purpose of this utility model, and protection domain of the present utility model should be with claim
Protection domain be defined.
Claims (10)
1. a kind of array signal processing circuit of wearable device, it is characterised in that including:Antenna tuning circuit, signal transacting
Device and comparator;
The antenna tuning circuit includes control end, load end and signal source end, and the load end connects the day of wearable device
Line, the signal source end connects the first input end of the comparator, and the second input incoming reference signal of comparator compares
The output end of device connects the input of signal processor, and the output end of signal processor is connected with the control end;
The comparative result that signal processor is exported by comparator is adjusted signal, and adjusts antenna tuning by adjusting signal
The matching impedance of circuit, realizes the dynamic adjustment of aerial signal.
2. array signal processing circuit according to claim 1, it is characterised in that also including signal deteching circuit and signal
Register;
The input of signal deteching circuit connects the signal source end of antenna tuning circuit, two output ends point of signal deteching circuit
Not Lian Jie comparator first input end and sign register, the intensity level of reference signal is preserved in sign register, respectively
It is connected with the second input and signal processor of comparator;
Signal deteching circuit receives the signal from antenna tuning circuit signal source end, and the signal strength values detected are distinguished
It is sent to comparator and sign register;
Signal processor control signal register updates the signal strength values of reference signal using signal strength values, makes comparator will
The signal strength values of reference signal after the signal strength values of subsequent time and renewal are compared.
3. array signal processing circuit according to claim 2, it is characterised in that also including radio circuit, Base-Band Processing
Circuit and coupler;
The input of coupler connects the signal source end of antenna tuning circuit, the first output end connection radio circuit of coupler
One end, the second output end of coupler connects the input of signal deteching circuit, the other end connection Base-Band Processing of radio circuit
Circuit, the baseband processing circuitry, radio circuit, coupler and antenna tuning circuit constitute the radio frequency path of aerial signal.
4. array signal processing circuit according to claim 3, it is characterised in that antenna tuning circuit includes the first inductance
L1, the first electric capacity C1 and the second electric capacity C2;
First inductance L1 one end connects the load end of antenna tuning circuit, and the other end connects the signal source of antenna tuning circuit
End;
First electric capacity C1 one end connects the signal source end, other end ground connection;One end of second electric capacity connects the load end,
The other end is grounded.
5. array signal processing circuit according to claim 4, it is characterised in that also including the first capacitance C3 and
Two capacitance C4, the first capacitance C3 are connected between the input of coupler and the signal source end of antenna tuning circuit,
Second capacitance C4 is connected between the load end of antenna tuning circuit and antenna.
6. array signal processing circuit according to claim 4, it is characterised in that the first electric capacity C1 and the second electric capacity C2 are equal
For voltage controlled capacitor, the signal processor includes adjusting the voltage branch of the voltage controlled capacitor capacitance;
Signal processor increases or reduced the voltage of the voltage branch by the voltage branch according to the step value of setting
Value, makes the first electric capacity C1 and the second electric capacity C2 capacitance occur corresponding change.
7. array signal processing circuit according to claim 6, it is characterised in that signal processor includes a voltage branch
Road, the capacitance for adjusting the first electric capacity C1 and the second electric capacity C2 in antenna tuning circuit using a voltage branch synchronously changes;
Or, signal processor includes first voltage branch road and second voltage branch road, is adjusted using first voltage branch road adjustment antenna
First electric capacity C1 capacitance in humorous circuit, and utilize the second electric capacity C2 in second voltage branch road adjustment antenna tuning circuit
Capacitance.
8. a kind of wearable device, it is characterised in that including the array signal processing circuit described in claim any one of 1-7.
9. wearable device according to claim 8, it is characterised in that the signal processor in array signal processing circuit
For the central controller of wearable device.
10. wearable device according to claim 8, it is characterised in that the wearable device includes intelligent watch.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106785339A (en) * | 2016-12-29 | 2017-05-31 | 歌尔股份有限公司 | A kind of wearable device and its array signal processing circuit and method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106785339A (en) * | 2016-12-29 | 2017-05-31 | 歌尔股份有限公司 | A kind of wearable device and its array signal processing circuit and method |
WO2018121207A1 (en) * | 2016-12-29 | 2018-07-05 | 歌尔股份有限公司 | Wearable device, and antenna signal processing circuit and method therefor |
US11101575B2 (en) | 2016-12-29 | 2021-08-24 | Goeriek Inc. | Wearable device, and antenna signal processing circuit and method therefor |
CN106785339B (en) * | 2016-12-29 | 2023-11-24 | 歌尔股份有限公司 | Wearable device and antenna signal processing circuit and method thereof |
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