CN104377429A - Signal processing device, antenna device and signal processing method - Google Patents
Signal processing device, antenna device and signal processing method Download PDFInfo
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- CN104377429A CN104377429A CN201310349339.8A CN201310349339A CN104377429A CN 104377429 A CN104377429 A CN 104377429A CN 201310349339 A CN201310349339 A CN 201310349339A CN 104377429 A CN104377429 A CN 104377429A
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Abstract
The invention provides a signal processing device, an antenna device and a signal processing method. The signal processing device comprises an antenna radiation part, a first filtering unit and a second filtering unit. The antenna radiation part is used for radiating and receiving an antenna signal and generating a sensing signal, the sensing signal is used for showing the contact state of a human body and electronic equipment, and the frequency of the sensing signal is different from the frequency of the antenna signal. The first filtering unit is connected between the antenna radiation part and an antenna signal receiving unit and is used for transmitting the antenna signal and preventing the sensing signal from being transmitted. The second filtering unit is connected between the antenna radiation part and a sensing signal receiving unit and is used for transmitting the sensing signal and preventing the antenna signal from being transmitted. According to the technical scheme, transmitting of the antenna signal and sensing of the using state of the electronic equipment can be achieved in the electronic equipment by occupying relatively small space.
Description
Technical field
The present invention relates to areas of information technology, more specifically, relate to a kind of signal processing apparatus, antenna assembly and signal processing method.
Background technology
Along with the development of the communication technology, such as each class of electronic devices of computer, personal digital assistant, mobile communication terminal, audio player etc. can both utilize antenna to transmit and/or receive data, thus is very easy to the transmission of information and data.In addition, described electronic equipment has good portability usually, can be used in various environment.Under different environments for use, need to use transducer to sense the using state of described electronic equipment, such as electronic equipment by left-handed, by right hand gripping or by hands grasping etc., thus adjusts the work of electronic equipment, to meet the demand of user for different environments for use.
In existing electronic equipment, usually design described antenna and transducer dividually, therefore occupy larger space in the electronic device.But, as consumption electronic product described electronic equipment towards lightweight, thickness is thin and the miniaturization that volume is little development, this greatly have compressed the antenna in electronic equipment and the space shared by transducer.Therefore, conventional antenna and sensor design have been difficult to the trend toward miniaturization adapting to electronic equipment, thus how to arrange that antenna and sensor become a problem demanding prompt solution in a limited space.
Summary of the invention
Embodiments provide a kind of signal processing apparatus, antenna assembly and signal processing method, it can take relatively few sensing carrying out the using state of aerial signal transmission and electronic equipment spatially in the electronic device.
On the one hand, provide a kind of signal processing apparatus, be applied to electronic equipment, this electronic equipment comprises received antenna signal unit and sensing signal receiving element, this signal processing apparatus can comprise: aerial radiation portion, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal; First filter unit, is connected between described aerial radiation portion and described received antenna signal unit, for transmitting described aerial signal and for stoping the transmission of described sensing signal; Second filter unit, is connected between described aerial radiation portion and described sensing signal receiving element, for transmitting described sensing signal and for stoping the transmission of described aerial signal.
In described signal processing apparatus, described aerial radiation portion can comprise: the first radiation branch; Second radiation branch; First filter, is connected between described first radiation branch and the second radiation branch, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch and second radiation branch.
In described signal processing apparatus, described first radiation branch can be positioned in the primary importance of described electronic equipment, and it produces the first sensing signal of the contact condition between this primary importance for representing human body and electronic equipment; Described second radiation branch can be positioned in the second place being different from described primary importance of described electronic equipment, and it produces the second sensing signal of the contact condition between this second place for representing human body and electronic equipment.
In described signal processing apparatus, described second filter unit can comprise: the second filter, is connected to described first radiation branch, for the first sensing signal is sent to described sensing signal receiving element; 3rd filter, is connected to described second radiation branch, for the second sensing signal is sent to described sensing signal receiving element.
In described signal processing apparatus, the human body represented by described sensing signal and the contact condition between electronic equipment can comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.
In described signal processing apparatus, described electronic equipment also can comprise the aerial signal transmitter be connected with described aerial signal Department of Radiation, described signal processing apparatus also can comprise adjustment unit, this adjustment unit is connected to described aerial signal transmitter and described sensing signal receiving element, for adjusting the transmitted power of the aerial signal that described aerial signal transmitter sends according to the information the sensing signal received from described sensing signal receiving element, meet specific absorption rate standard to make described electronic equipment.
On the other hand, provide a kind of antenna assembly, be applied to electronic equipment, this electronic equipment comprises received antenna signal unit, sensing signal receiving element and the second filter unit, this antenna assembly can comprise: Department of Radiation, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal; First filter unit, is connected between described Department of Radiation and described received antenna signal unit, for transmitting described aerial signal and for stoping the transmission of described sensing signal; Wherein, described second filter unit is connected between described Department of Radiation and described sensing signal receiving element, for transmitting described sensing signal and for stoping the transmission of described aerial signal.
In described antenna assembly, described Department of Radiation can comprise: the first radiation branch; Second radiation branch; First filter, is connected between described first radiation branch and the second radiation branch, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch and second radiation branch.
In described antenna assembly, described first radiation branch can be positioned in the primary importance of described electronic equipment, with the contact condition between this primary importance sensing human body and electronic equipment; Described second radiation branch can be positioned in the second place being different from described primary importance of described electronic equipment, with the contact condition between this second place sensing human body and electronic equipment.
In described antenna assembly, described sensing signal can comprise the second sensing signal utilizing the first sensing signal of described first radiation branch sensing and utilize described second radiation branch sensing, described second filter unit can comprise: the second filter, be connected to described first radiation branch, for the first sensing signal is sent to described sensing signal receiving element; 3rd filter, is connected to described second radiation branch, for the second sensing signal is sent to described sensing signal receiving element.
On the other hand, provide a kind of signal processing method, be applied to electronic equipment, this electronic equipment comprises received antenna signal unit, sensing signal receiving element and aerial radiation portion, and described signal processing method can comprise: utilize described aerial radiation portion to carry out reception antenna signal; Utilize described aerial radiation portion to produce a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal; First filtering process is carried out to the signal in described aerial radiation portion, is sent to described received antenna signal unit with the aerial signal received in described aerial radiation portion and stops described sensing signal to be sent to described received antenna signal unit; Second filtering process is carried out to the signal in described aerial radiation portion, is sent to described sensing signal receiving element with the sensing signal produced in described aerial radiation portion and stops described aerial signal to be sent to described sensing signal receiving element.
In described signal processing method, the first filter that described aerial radiation portion can comprise the first radiation branch, the second radiation branch and be connected between described first radiation branch and the second radiation branch, describedly utilizes described aerial radiation portion to carry out reception antenna signal also can to comprise: between this first radiation branch and second radiation branch, transmit described aerial signal via described first filter and stop the transmission of described sensing signal.
In described signal processing method, described first radiation branch can be positioned in the primary importance of described electronic equipment, described second radiation branch can be positioned in the second place being different from described primary importance of described electronic equipment, wherein saidly utilize described aerial radiation portion to produce a sensing signal can to comprise: utilize described first radiation branch to produce the first sensing signal, this first sensing signal for represent human body and electronic equipment this primary importance between contact condition; Utilize described second radiation branch to produce the second sensing signal, this second sensing signal for represent human body and electronic equipment this second place between contact condition.
In described signal processing method, describedly the second filtering process is carried out to the signal in described aerial radiation portion can comprise: utilize the second filter that described first radiation branch is produced the first sensing signal and be sent to described sensing signal receiving element; Utilize the 3rd filter that described second radiation branch is produced the second sensing signal and be sent to described sensing signal receiving element.
In described signal processing method, the human body represented by described sensing signal and the contact condition between electronic equipment can comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.
In described signal processing method, described electronic equipment also can comprise the aerial signal transmitter be connected with described aerial signal Department of Radiation, described signal processing method also can comprise: the transmitted power adjusting the aerial signal that described aerial signal transmitter sends according to the information in the sensing signal that described sensing signal receiving element receives, meets specific absorption rate standard to make described electronic equipment.
In the technical scheme of the signal processing apparatus of the embodiment of the present invention, antenna assembly and signal processing method, utilize the Department of Radiation of antenna to obtain the sensing signal for determining using state, thus relatively few sensing carrying out the transmission of aerial signal and the using state of electronic equipment spatially can be taken in the electronic device.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block diagram of the signal processing apparatus schematically illustrated according to the embodiment of the present invention;
Fig. 2 is another example block diagram of the signal processing apparatus schematically illustrated according to the embodiment of the present invention;
Fig. 3 is the block diagram of the antenna assembly schematically illustrated according to the embodiment of the present invention;
Fig. 4 be a diagram that the flow chart of the signal processing method according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.
In the present invention, when be described to particular elements between first component and second component time, can intervening elements be there is between this particular elements and first component or second component, also can not there is intervening elements; When being described to particular elements and connecting other parts, this particular elements directly can be connected with other parts described and not have intervening elements, also directly can not be connected with other parts described and have intervening elements.
Fig. 1 is the block diagram of the signal processing apparatus 100 schematically illustrated according to the embodiment of the present invention.Utilize this signal processing apparatus 100, not only can transmitting the aerial signal for communicating, the using state of the electronic equipment used for it can also be sensed.Described signal processing apparatus 100 can be applicable to any electronic equipment, includes but not limited to computer, personal digital assistant, mobile communication terminal, audiovisual players etc.The type of the electronic equipment that this signal processing apparatus is applied to is not construed as limiting the invention.This electronic equipment can comprise received antenna signal unit and sensing signal receiving element, and can comprise other building block as required.
Described signal processing apparatus 100 comprises: aerial radiation portion 110, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal; First filter unit 120, is connected between described aerial radiation portion 110 and described received antenna signal unit, for transmitting described aerial signal and for stoping the transmission of described sensing signal; Second filter unit 130, is connected between described aerial radiation portion 110 and described sensing signal receiving element, for transmitting described sensing signal and for stoping the transmission of described aerial signal.
Described aerial radiation portion 110 can be the Department of Radiation of various types of antenna, be such as Department of Radiation or the planar inverted-F antenna (PIFA of unipole antenna, planer inverted F antenna) Department of Radiation, the communication requirement of this electronic equipment that can be applied to according to signal processing apparatus 100 adjusts.The concrete structure in described aerial radiation portion 110 does not form the restriction to the embodiment of the present invention, and it can be as a whole, can also comprise several different part.
Described aerial radiation portion 110, can also for generation of a sensing signal not only for radiation and reception antenna signal.Usually, the wiring that aerial radiation portion 110 is formed by conductor (such as copper), with wirelessly radiation and Received signal strength.When the object of such as human body is near this conductor wiring, described conductor wiring and object will form capacitor, wherein this conductor wiring is an electrode of capacitor, described object is another electrode of capacitor, and the capacitance characteristic (such as capacitance) of the capacitor so formed changes along with object near conductor wiring (namely distance) therebetween.That is, object makes the capacitance characteristic in aerial radiation portion 110 change near described aerial radiation portion 110.Herein, be described near described electronic equipment for human body.It should be noted that described object is not limited to human body.
The capacitance characteristic change in aerial radiation portion 110 makes the signal producing such as KHz (KHz) magnitude in aerial radiation portion 110, and it can as the sensing signal for representing the contact condition between human body and electronic equipment.The frequency, intensity etc. of this sensing signal can with the velocity correlation of human body near aerial radiation portion 110.Correspondingly, the human body represented by described sensing signal and the contact condition between electronic equipment can comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.The state that human body grips described electronic equipment such as can comprise electronic equipment described in left-handed, the right hand grips electronic equipment described in described electronic equipment, hands grasping etc.Electronic equipment can adjust the performance parameter etc. of all parts in its using forestland, electronic equipment based on described sensing signal, thus meets the various user demands of user.
The frequency of described sensing signal is generally KHz magnitude, and the frequency of aerial signal is generally megahertz (MHz) magnitude.That is, the frequency of this sensing signal is different from the frequency of described aerial signal, and this makes likely to isolate both aerial signal and sensing signal from described aerial radiation portion 110, thus realizes both state sensings of antenna communication and electronic equipment.
Described first filter unit 120 is connected between described aerial radiation portion 110 and described received antenna signal unit, it is for being sent to received antenna signal unit by aerial signal from described aerial radiation portion 110, and stops the sensing signal that described aerial radiation portion 110 produces to be sent to received antenna signal unit.In addition, if needed, the aerial signal that described in this, the first filter unit 120 can also be used for the aerial signal transmitter in electronic equipment sends is sent to aerial radiation portion 110.Exemplarily, this first filter unit 120 can be band pass filter, high pass filter etc., as long as the frequency of described aerial signal is in its free transmission range, described sensing signal is in its stopband range.
Second filter unit 130 is connected between described aerial radiation portion 110 and described sensing signal receiving element, it is for being sent to sensing signal receiving element by sensing signal from described aerial radiation portion 110, and stops the aerial signal of flowing in described aerial radiation portion 110 to be sent to sensing signal receiving element.Exemplarily, this second filter unit 130 can be band pass filter, low pass filter etc., as long as the frequency of described sensing signal is in its free transmission range, described aerial signal is in its stopband range, and namely this second filter unit 130 is for transmitting described sensing signal and for stoping the transmission of described aerial signal.
Due to the transmission that described first filter unit 120 prevents the transmission of sensing signal, the second filter unit 130 prevents aerial signal, so utilize described first filter unit 120 and the second filter unit 130 can avoid mutual interference between aerial signal and sensing signal.
According in the signal processing apparatus of the embodiment of the present invention, utilize the Department of Radiation of antenna to produce the sensing signal for determining using state, namely devise antenna and the sensing part of electronic equipment integratedly, thus relatively few sensing carrying out the transmission of aerial signal and the using state of electronic equipment spatially can be taken in the electronic device.
Other variant of signal processing apparatus in the embodiment of the present invention is described below in conjunction with Fig. 2.Fig. 2 is another example block diagram of the signal processing apparatus schematically illustrated according to the embodiment of the present invention.
Identical with the signal processing apparatus 100 in Fig. 1 of the first filter unit 120 in signal processing apparatus 200 in Fig. 2, received antenna signal unit and sensing signal receiving element, is employed herein identical Reference numeral, and no longer describes in detail.Signal processing apparatus 200 in Fig. 2 is to illustrated therein is a concrete structure in aerial radiation portion 110, a concrete structure of the second filter unit 130 with the difference of the signal processing apparatus 100 in Fig. 1, and the signal processing apparatus 200 in Fig. 2 also comprises adjustment unit 140, is described in detail below.
Aerial radiation portion 110 in Fig. 2 can comprise: the first radiation branch 111; Second radiation branch 112; First filter 113, is connected between described first radiation branch 111 and the second radiation branch 112, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch 111 and second radiation branch 112.That is, the first radiation branch 111 in Fig. 2 is connected via the first filter 113 with the second radiation branch 112, thus when aerial radiation portion 110 is for radiation and reception antenna signal, first radiation branch 111 and the second radiation branch 112 are an entirety, and when aerial radiation portion 110 is for generation of sensing signal, first radiation branch 111 and the second radiation branch 112 are two parts separately, thus the different branches in aerial radiation portion 110 may be utilized to the contact condition of the diverse location and human body that sense electronic equipment.Exemplarily, described first radiation branch 111 can be positioned in the primary importance of described electronic equipment, and it produces the first sensing signal of the contact condition between this primary importance for representing human body and electronic equipment; Described second radiation branch 112 can be positioned in the second place being different from described primary importance of described electronic equipment, and it produces the second sensing signal of the contact condition between this second place for representing human body and electronic equipment.Certainly, if the first radiation branch 111 and the second radiation branch 112 are positioned at the same position on electronic equipment, two conductor wirings also can increase the accuracy of sensing signal, thus represent the contact condition between human body and electronic equipment exactly.In addition, the raising of the receiving sensitivity of described sensing signal receiving element also contributes to the accuracy increasing sensing signal.
With the radiation branch of two in Fig. 2 (111,112) accordingly, described second filter unit 130 comprises two corresponding with two radiation branch respectively filters.Particularly, described second filter unit 130 can comprise: the second filter 131, is connected to described first radiation branch 111, for the first sensing signal is sent to described sensing signal receiving element; 3rd filter 132, is connected to described second radiation branch 112, for the second sensing signal is sent to described sensing signal receiving element.This second filter 131 can stop the aerial signal in the first radiation branch 111 to be sent to sensing signal receiving element, and the 3rd filter 132 also can stop the aerial signal in the second radiation branch 112 to be sent to sensing signal receiving element.If it should be noted that the frequency of described first sensing signal is different from the frequency of the second sensing signal or differ greatly, then the different sensing signal receiver of employing two may be needed in described sensing signal receiving element to receive.
The quantity of the radiation branch in described aerial radiation portion 110 is also not limited to two above, can also be three or more, the quantity also corresponding increase of the filter correspondingly in the second filter unit 130.
Relative to Fig. 1, also add adjustment unit 140 in fig. 2, for adjusting the operating state etc. of other component units in the mode of operation of electronic equipment or electronic equipment or parts according to sensing signal.Exemplarily, when described electronic equipment also comprises the aerial signal transmitter be connected with described aerial signal Department of Radiation, adjustment unit 140 in described signal processing apparatus can be connected to described aerial signal transmitter and described sensing signal receiving element, for adjusting the transmitted power of the aerial signal that described aerial signal transmitter sends according to the information the sensing signal received from described sensing signal receiving element, meet specific absorption rate standard to make described electronic equipment.Certainly, if user does not pay close attention to the specific absorption rate of electronic equipment, and just pay close attention to the communication quality of antenna, correspondingly can also carry out other adjustment.In addition, this sensing signal can also be used for other building block of adjusting in electronic equipment except antenna.
In the signal processing apparatus shown in Fig. 2 of the embodiment of the present invention, utilize aerial radiation portion to obtain the sensing signal for determining using state, thus relatively few sensing carrying out the transmission of aerial signal and the using state of electronic equipment spatially can be taken in the electronic device; By the different radiation branch in aerial radiation portion being arranged diverse location on an electronic device, the state sensing of the information comprised at sensing signal, the diverse location realizing electronic equipment can also be enriched.
Antenna increases day by day for the importance of electronic equipment, signal processing apparatus above in conjunction with the description in Fig. 1 and 2 can realize at the basis of antenna increase filter unit usually, antenna assembly 300 according to the embodiment of the present invention is described below, to promote the understanding to the embodiment of the present invention.Fig. 3 is the block diagram of the antenna assembly 300 schematically illustrated according to the embodiment of the present invention.This antenna assembly 300 can be applicable to various electronic equipment, and this electronic equipment comprises received antenna signal unit, sensing signal receiving element and the second filter unit.
Antenna assembly 300 according to the embodiment of the present invention can comprise: Department of Radiation 310, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal; First filter unit 320, is connected between described Department of Radiation and described received antenna signal device, for transmitting described aerial signal and for stoping the transmission of described sensing signal; Wherein, described second filter unit is connected between described Department of Radiation and described sensing signal receiver, for transmitting described sensing signal and for stoping the transmission of described aerial signal.About this Department of Radiation 310 and the first filter unit 320, can see the description of the aerial radiation portion 110 in Fig. 1 and the first filter unit 120.
Described Department of Radiation 110 in antenna assembly 300 can comprise as the aerial radiation portion in Fig. 2: the first radiation branch 311; Second radiation branch 312; First filter 313, is connected between described first radiation branch 311 and the second radiation branch 312, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch 311 and second radiation branch 312.Described first radiation branch can be positioned in the primary importance of described electronic equipment, and it produces the first sensing signal of the contact condition between this primary importance for representing human body and electronic equipment; Described second radiation branch can be positioned in the second place being different from described primary importance of described electronic equipment, and it produces the second sensing signal of the contact condition between this second place for representing human body and electronic equipment.About the first radiation branch 311, second radiation branch 312, first filter 313, can see the first radiation branch 111, second radiation branch 112, first filter 113 described in conjunction with Figure 2.With two radiation branch (311,312) accordingly, two corresponding with two radiation branch respectively filters can be comprised in described second filter unit.Particularly, described second filter unit can comprise: the second filter, is connected to described first radiation branch, for the first sensing signal is sent to described sensing signal receiver; 3rd filter, is connected to described second radiation branch, for the second sensing signal is sent to described sensing signal receiver.In addition, the adjustment unit for the performance according to sensing signal adjustment antenna assembly can also be comprised in this antenna assembly 300.
In the antenna assembly of the embodiment of the present invention, utilize the Department of Radiation of antenna to obtain the sensing signal for determining using state, this Department of Radiation can be used in the sensing signal of the using state produced for representing electronic equipment, can take relatively few sensing carrying out the transmission of aerial signal and the using state of electronic equipment spatially in the electronic device.
Fig. 4 be a diagram that the flow chart of the signal processing method 400 according to the embodiment of the present invention.This signal processing method 400 can be applicable to various types of electronic equipment, and the type of electronic equipment is not construed as limiting the invention.This electronic equipment can comprise received antenna signal unit, sensing signal receiving element and aerial radiation portion, and can comprise other building block as required.
Described signal processing method 400 can comprise: utilize described aerial radiation portion to carry out reception antenna signal (S410); Utilize described aerial radiation portion to produce a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency (S420) of described aerial signal; First filtering process is carried out to the signal in described aerial radiation portion, is sent to described received antenna signal unit with the aerial signal received in described aerial radiation portion and stops described sensing signal to be sent to described received antenna signal unit (S430); Second filtering process is carried out to the signal in described aerial radiation portion, is sent to described sensing signal receiving element with the sensing signal produced in described aerial radiation portion and stops described aerial signal to be sent to described sensing signal receiving element (S440).
In S410, described aerial radiation portion is utilized to carry out reception antenna signal.In practice, the Department of Radiation of various types of antenna can be utilized to carry out reception antenna signal, such as, can be the Department of Radiation of unipole antenna or the Department of Radiation of planar inverted-F antenna.The concrete structure in described aerial radiation portion does not form the restriction to the embodiment of the present invention, and it can be as a whole, can also comprise several different part.
When described aerial radiation portion comprises the first radiation branch, the second radiation branch and be connected to the first filter between described first radiation branch and the second radiation branch, describedly utilize described aerial radiation portion to carry out reception antenna signal also can to comprise: between this first radiation branch and second radiation branch, transmit described aerial signal via described first filter and stop the transmission of described sensing signal between this first radiation branch and second radiation branch.That is, when aerial radiation portion is used for radiation and reception antenna signal, the first radiation branch and the second radiation branch are cooperated with each other radiation and Received signal strength.
In S420, utilize described aerial radiation portion to produce a sensing signal, and do not use special signal sensing device, thus saved the space hold of electronic equipment.Usually, the wiring that formed by conductor (such as copper) of aerial radiation portion.When human body is near this conductor wiring, described conductor wiring and object will form capacitor, and the capacitance characteristic (such as capacitance) of the capacitor so formed changes along with human body near conductor wiring (namely distance) therebetween.That is, human body makes the capacitance characteristic in aerial radiation portion 110 change near described aerial radiation portion 110.
The capacitance characteristic change in aerial radiation portion makes the signal producing such as KHz magnitude in aerial radiation portion, and it can as the sensing signal for representing the contact condition between human body and electronic equipment.The frequency, intensity etc. of this sensing signal can with the velocity correlation of human body near aerial radiation portion.Correspondingly, the human body represented by described sensing signal and the contact condition between electronic equipment can comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.The state that human body grips described electronic equipment such as can comprise electronic equipment described in left-handed, the right hand grips electronic equipment described in described electronic equipment, hands grasping etc.The performance parameter etc. of all parts in the using forestland of electronic equipment, electronic equipment can be adjusted based on described sensing signal, thus meet the various user demands of user.
The frequency of described sensing signal is generally KHz magnitude, and the frequency of aerial signal is generally MHz magnitude.That is, the frequency of this sensing signal is different from the frequency of described aerial signal, and this makes likely to isolate both aerial signal and sensing signal from described aerial radiation portion, thus realizes both state sensings of antenna communication and electronic equipment.
In addition, when the first above-mentioned radiation branch is connected via the first filter with the second radiation branch, when aerial radiation portion is for generation of sensing signal, first radiation branch and the second radiation branch are two parts separately, thus the different branches in aerial radiation portion may be utilized overall to the contact of the diverse location and human body that sense electronic equipment.If described first radiation branch is positioned in the primary importance of described electronic equipment, described second radiation branch is positioned in the second place being different from described primary importance of described electronic equipment, then can comprise in this step S420: utilize described first radiation branch to produce the first sensing signal, this first sensing signal for represent human body and electronic equipment this primary importance between contact condition; Utilize described second radiation branch to produce the second sensing signal, this second sensing signal for represent human body and electronic equipment this second place between contact condition.Certainly, if the first radiation branch and the second radiation branch are positioned at the same position on electronic equipment, then can use the sensing signal produced via the first radiation branch and the second radiation branch ordinatedly, to increase the accuracy of sensing signal, thus represent the contact condition between human body and electronic equipment exactly.
In S430, the first filtering process is carried out to the signal in described aerial radiation portion, be sent to described received antenna signal unit with the aerial signal received in described aerial radiation portion and stop described sensing signal to be sent to described received antenna signal unit.Exemplarily, band pass filter, high pass filter etc. can be utilized realize this first filtering process.
In S440, the second filtering process is carried out to the signal in described aerial radiation portion, be sent to described sensing signal receiving element with the sensing signal produced in described aerial radiation portion and stop described aerial signal to be sent to described sensing signal receiving element.Second filter unit 130 is connected between described aerial radiation portion 110 and described sensing signal receiving element, it is for being sent to sensing signal receiving element by sensing signal from described aerial radiation portion 110, and stops the aerial signal of flowing in described aerial radiation portion 110 to be sent to sensing signal receiving element.Exemplarily, band pass filter, low pass filter etc. can be utilized realize this second filtering process.Utilize this S430 and S440, the mutual interference between aerial signal and sensing signal can be avoided.
When the first above-mentioned radiation branch is connected via the first filter with the second radiation branch, this carries out the second filtering process to the signal in described aerial radiation portion and can comprise: utilize the second filter that described first radiation branch is produced the first sensing signal and be sent to described sensing signal receiving element; Utilize the 3rd filter that described second radiation branch is produced the second sensing signal and be sent to described sensing signal receiving element.If the frequency of described first sensing signal is different from the frequency of the second sensing signal or differ greatly, then the different sensing signal receiver of employing two may be needed in the sensing signal receiving element of electronic equipment to receive.In addition, when the quantity of the radiation branch in aerial radiation portion is three or more, the filter of respective numbers can correspondingly be adopted in the second filtering process.
As previously mentioned, described sensing can be used for adjusting the operating state etc. of other component units in the mode of operation of electronic equipment or electronic equipment or parts.Alternatively, when described electronic equipment also comprises the aerial signal transmitter be connected with described aerial signal Department of Radiation, signal processing method 400 according to the embodiment of the present invention can also comprise: the transmitted power adjusting the aerial signal that described aerial signal transmitter sends according to the information in the sensing signal that described sensing signal receiving element receives, and meets specific absorption rate standard (S450) to make described electronic equipment.This S450 is only example, can also adjust other component units in antenna related device or adjustment electronic equipment or parts as required in a different manner.
In the signal processing method of the embodiment of the present invention, utilize the aerial radiation portion being used for radiation and reception antenna signal to obtain sensing signal for determining using state, thus relatively few sensing carrying out the transmission of aerial signal and the using state of electronic equipment spatially can be taken in the electronic device.And, by the different radiation branch in aerial radiation portion being arranged diverse location on an electronic device, the state sensing of the information comprised at sensing signal, the diverse location realizing electronic equipment can also be enriched.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the specific implementation of device, parts and unit involved in the signal processing method of foregoing description, with reference to the diagram in aforementioned means embodiment and operation, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed apparatus and method can realize by another way.Such as, the part steps in said method embodiment can reconfigure, or can execution sequence before changing section step.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (16)
1. a signal processing apparatus, is applied to electronic equipment, and this electronic equipment comprises received antenna signal unit and sensing signal receiving element, and this signal processing apparatus comprises:
Aerial radiation portion, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal;
First filter unit, is connected between described aerial radiation portion and described received antenna signal unit, for transmitting described aerial signal and for stoping the transmission of described sensing signal;
Second filter unit, is connected between described aerial radiation portion and described sensing signal receiving element, for transmitting described sensing signal and for stoping the transmission of described aerial signal.
2. signal processing apparatus according to claim 1, wherein, described aerial radiation portion comprises:
First radiation branch;
Second radiation branch;
First filter, is connected between described first radiation branch and the second radiation branch, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch and second radiation branch.
3. signal processing apparatus according to claim 2, wherein,
Described first radiation branch is positioned in the primary importance of described electronic equipment, and it produces the first sensing signal of the contact condition between this primary importance for representing human body and electronic equipment;
Described second radiation branch is positioned in the second place being different from described primary importance of described electronic equipment, and it produces the second sensing signal of the contact condition between this second place for representing human body and electronic equipment.
4. signal processing apparatus according to claim 3, wherein, described second filter unit comprises:
Second filter, is connected to described first radiation branch, for the first sensing signal is sent to described sensing signal receiving element;
3rd filter, is connected to described second radiation branch, for the second sensing signal is sent to described sensing signal receiving element.
5. signal processing apparatus according to claim 1, wherein, the human body represented by described sensing signal and the contact condition between electronic equipment comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.
6. signal processing apparatus according to claim 1, wherein, described electronic equipment also comprises the aerial signal transmitter be connected with described aerial signal Department of Radiation, described signal processing apparatus also comprises adjustment unit, this adjustment unit is connected to described aerial signal transmitter and described sensing signal receiving element, for adjusting the transmitted power of the aerial signal that described aerial signal transmitter sends according to the information the sensing signal received from described sensing signal receiving element, meet specific absorption rate standard to make described electronic equipment.
7. an antenna assembly, is applied to electronic equipment, and this electronic equipment comprises received antenna signal unit, sensing signal receiving element and the second filter unit, and this antenna assembly comprises:
Department of Radiation, for radiation and reception antenna signal, and for generation of a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal;
First filter unit, is connected between described Department of Radiation and described received antenna signal unit, for transmitting described aerial signal and for stoping the transmission of described sensing signal;
Wherein, described second filter unit is connected between described Department of Radiation and described sensing signal receiving element, for transmitting described sensing signal and for stoping the transmission of described aerial signal.
8. antenna assembly according to claim 7, wherein, described Department of Radiation comprises:
First radiation branch;
Second radiation branch;
First filter, is connected between described first radiation branch and the second radiation branch, for transmitting described aerial signal and stop the transmission of described sensing signal between this first radiation branch and second radiation branch.
9. antenna assembly according to claim 8, wherein,
Described first radiation branch is positioned in the primary importance of described electronic equipment, and it produces the first sensing signal of the contact condition between this primary importance for representing human body and electronic equipment;
Described second radiation branch is positioned in the second place being different from described primary importance of described electronic equipment, and it produces the second sensing signal of the contact condition between this second place for representing human body and electronic equipment.
10. antenna assembly according to claim 9, wherein, described second filter unit comprises:
Second filter, is connected to described first radiation branch, for the first sensing signal is sent to described sensing signal receiving element;
3rd filter, is connected to described second radiation branch, for the second sensing signal is sent to described sensing signal receiving element.
11. 1 kinds of signal processing methods, are applied to electronic equipment, and this electronic equipment comprises received antenna signal unit, sensing signal receiving element and aerial radiation portion, and described signal processing method comprises:
Described aerial radiation portion is utilized to carry out reception antenna signal;
Utilize described aerial radiation portion to produce a sensing signal, this sensing signal is for representing the contact condition between human body and electronic equipment, and the frequency of this sensing signal is different from the frequency of described aerial signal;
First filtering process is carried out to the signal in described aerial radiation portion, is sent to described received antenna signal unit with the aerial signal received in described aerial radiation portion and stops described sensing signal to be sent to described received antenna signal unit;
Second filtering process is carried out to the signal in described aerial radiation portion, is sent to described sensing signal receiving element with the sensing signal produced in described aerial radiation portion and stops described aerial signal to be sent to described sensing signal receiving element.
12. signal processing methods according to claim 11, wherein, the first filter that described aerial radiation portion comprises the first radiation branch, the second radiation branch and is connected between described first radiation branch and the second radiation branch, describedly utilizes described aerial radiation portion to carry out reception antenna signal also to comprise:
Between this first radiation branch and second radiation branch, transmit described aerial signal via described first filter and stop the transmission of described sensing signal.
13. signal processing methods according to claim 12, wherein, described first radiation branch is positioned in the primary importance of described electronic equipment, described second radiation branch is positioned in the second place being different from described primary importance of described electronic equipment, wherein saidly utilizes described aerial radiation portion to produce a sensing signal to comprise:
Utilize described first radiation branch to produce the first sensing signal, this first sensing signal for represent human body and electronic equipment this primary importance between contact condition;
Utilize described second radiation branch to produce the second sensing signal, this second sensing signal for represent human body and electronic equipment this second place between contact condition.
14. signal processing methods according to claim 13, wherein, describedly carry out the second filtering process to the signal in described aerial radiation portion and comprise:
Utilize the second filter that described first radiation branch is produced the first sensing signal and be sent to described sensing signal receiving element;
Utilize the 3rd filter that described second radiation branch is produced the second sensing signal and be sent to described sensing signal receiving element.
15. signal processing methods according to claim 11, wherein, the human body represented by described sensing signal and the contact condition between electronic equipment comprise at least one in following information: whether human body grips the state of described electronic equipment near the distance of described electronic equipment and human body near described electronic equipment, human body.
16. signal processing methods according to claim 11, wherein, described electronic equipment also comprises the aerial signal transmitter be connected with described aerial signal Department of Radiation, and described signal processing method also comprises:
Adjust the transmitted power of the aerial signal that described aerial signal transmitter sends according to the information in the sensing signal that described sensing signal receiving element receives, meet specific absorption rate standard to make described electronic equipment.
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| CN114094330A (en) * | 2021-11-24 | 2022-02-25 | 歌尔光学科技有限公司 | Equipment and antenna thereof |
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| CN104377429B (en) | 2017-12-29 |
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