CN110113463B - Mobile phone support based on capacitance detection, signal processing method and device - Google Patents
Mobile phone support based on capacitance detection, signal processing method and device Download PDFInfo
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- CN110113463B CN110113463B CN201910271846.1A CN201910271846A CN110113463B CN 110113463 B CN110113463 B CN 110113463B CN 201910271846 A CN201910271846 A CN 201910271846A CN 110113463 B CN110113463 B CN 110113463B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
Abstract
The application discloses a mobile phone support based on capacitance detection, a signal processing method and a signal processing device. This cell phone stand based on electric capacity detects includes signal processing module, signal processing module includes: the mobile phone support comprises a first signal processing unit and a second signal processing unit, wherein the first signal processing unit and the second signal processing unit are respectively used as two poles of a capacitor, so that the mobile phone support can detect whether an object is placed. The technical problem that the cost of detection equipment of the mobile phone support is high and the power consumption is large is solved. The detection mode that cell phone stand and cell-phone were placed is carried out through using the electric capacity to the detection of placing of realization cell-phone of lower consumption lower cost. In addition, the method and the device can be suitable for placement detection of mobile phones and other objects.
Description
Technical Field
The application relates to the field of supports, in particular to a mobile phone support based on capacitance detection.
Background
The mobile phone support can be used for placing a mobile phone.
The inventor finds that detection equipment adopted in the process of detecting whether the mobile phone is placed and automatically clamping the mobile phone is high in cost and high in power consumption in the process of placing the mobile phone on the mobile phone support.
Aiming at the problem that the detection equipment of the mobile phone support in the related technology is high in cost and power consumption, an effective solution is not provided at present.
Disclosure of Invention
The main aim at of this application provides a cell phone stand based on electric capacity detects to solve cell phone stand's the big problem of check out test set cost high power dissipation.
In order to achieve the above object, according to one aspect of the present application, a mobile phone holder based on capacitance detection is provided.
Cell phone stand based on electric capacity detects according to this application includes: a signal processing module, the signal processing module comprising: the mobile phone support comprises a first signal processing unit and a second signal processing unit, wherein the first signal processing unit and the second signal processing unit are respectively used as two poles of a capacitor, so that the mobile phone support can detect whether an object is placed.
Further, the first signal processing unit and the second signal processing unit are disposed on the same printed circuit board according to a preset arrangement mode.
Further, the first signal processing unit and the second signal processing unit are disposed on different printed circuit boards, respectively.
Further, the first signal processing unit is configured to: transmit an electrical signal, the second signal processing unit configured to: and receiving the electric signal, judging whether the attribute value of the electric signal received in the second signal processing unit accords with a preset variation degree value or not, and judging whether an object is placed according to the electric signal which accords with the preset variation degree value.
Further, the first signal processing unit is configured to: transmitting an electrical signal having a mixed waveform, the second signal processing unit configured to: and demodulating to obtain the relative change degree value of the electric signal.
Further, the first signal processing unit is configured to: transmitting the electrical signal at a low transmission frequency if no change in the electrical signal is detected by the second signal processing unit; transmitting the electrical signal at a high transmission frequency if a change of the electrical signal has been detected at the second signal processing unit; and if the electric signal detected by the second signal processing unit is stable, maintaining the low transmission frequency to transmit the electric signal.
Further, cell phone stand based on electric capacity detects still includes: the signal processing module is electrically connected with the control module and is used for transmitting a trigger signal to the control module when the placement of an object is detected; the control module block is electrically connected with the driving module and used for transmitting a driving control signal to the driving module after the object is detected to be placed.
In order to achieve the above object, according to another aspect of the present application, there is provided a signal processing apparatus based on capacitance detection.
The signal processing device based on capacitance detection comprises: a first detection unit for detecting whether there is one electrode of a capacitor as a transmission electric signal; a second detection unit for detecting whether to serve as the other electrode of the capacitor for receiving the electric signal; and the judgment processing unit is used for detecting whether an object is placed according to the change degree of the capacitance.
In order to achieve the above object, according to still another aspect of the present application, there is provided a signal processing method based on capacitance detection.
The signal processing method based on capacitance detection comprises the following steps: detecting whether a capacitor one pole serving as a transmission electric signal exists; detecting whether the other electrode of the capacitor is used for receiving the electric signal; and detecting whether an object is placed according to the change degree of the capacitance.
Further, detecting whether an object is placed according to the degree of change of the capacitance includes: according to whether the received attribute value of the electric signal meets a preset variation degree value or not; if the position is consistent with the preset position, detecting that an object is placed; if not, no object placement is detected; further comprising: controlling the other electrode of the capacitor to send the electric signal according to a low transmitting frequency if the change of the electric signal is not detected at the other electrode of the capacitor; controlling the transmission of said electrical signal at a high transmission frequency at the other pole of the capacitor if a change of the electrical signal has been detected at the one pole of the capacitor; and if the electric signal detected at one pole of the capacitor is stable, controlling the other pole of the capacitor to keep the low transmitting frequency to transmit the electric signal.
In this application embodiment, adopt the mode of signal processing module, through first signal processing unit and second signal processing unit, first signal processing unit with second signal processing unit is used for the two poles of the earth as electric capacity respectively, has reached the messenger cell phone stand detectable has the purpose that the object was placed to realized the technical effect of low-power consumption short-term test, and then solved cell phone stand's the big technical problem of check out test set cost high-power consumption.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic diagram of a cell phone stand structure based on capacitive detection according to an embodiment of the present application;
2(a) -2 (c) are schematic diagrams of signal emitter and signal receiver structures according to embodiments of the present application;
FIG. 3 is a schematic diagram illustrating the positional relationship between an emitter and a receiver according to an embodiment of the present application;
FIG. 4(a) is a waveform diagram of a transmitting terminal without a handset in accordance with an embodiment of the present application;
fig. 4(b) is a waveform diagram of a receiving end when no mobile phone is placed according to the embodiment of the present application;
FIG. 4(c) is a waveform diagram of a transmitting end with a handset placed according to an embodiment of the present application;
fig. 4(d) is a waveform diagram of a receiving end with a handset placed according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a mobile phone support structure based on capacitive detection according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a detection step in which a first signal processing unit is configured according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a signal processing apparatus based on capacitive detection for a mobile phone holder based on capacitive detection according to an embodiment of the present application;
fig. 8 is a schematic flow chart of a signal processing method based on capacitance detection according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a mobile phone holder 100 based on capacitance detection in the embodiment of the present application includes: a signal processing module 10, said signal processing module 10 comprising: the mobile phone holder 100 comprises a first signal processing unit 101 and a second signal processing unit 102, wherein the first signal processing unit 101 and the second signal processing unit 102 are respectively used as two poles of a capacitor, so that whether an object is placed in the mobile phone holder 100 can be detected. The first signal processing unit 101 and the second signal processing unit 102 are respectively used as two electrodes of a capacitor to be used in cooperation, so that whether an object is placed or not can be detected quickly and with low power consumption.
It should be noted that the first signal processing unit 101 or the second signal processing unit 102 is used for signal transmission or reception. The positions and angles of the first signal processing unit 101 and the second signal processing unit 102 are not particularly limited as long as the two electrodes for use as a capacitor can be used in combination.
From the above description, it can be seen that the following technical effects are achieved by the present application:
in this application embodiment, adopt the mode of signal processing module, through first signal processing unit and second signal processing unit, first signal processing unit with second signal processing unit is used for the two poles of the earth as electric capacity respectively, has reached the messenger cell phone stand detectable has the purpose that the object was placed to realized the technical effect of low-power consumption short-term test, and then solved cell phone stand's the big technical problem of check out test set cost high-power consumption.
According to the embodiment of the present application, as a preferable feature of the embodiment, as shown in fig. 2(a) -2 (c), the first signal processing unit 101 and the second signal processing unit 102 are disposed on the same printed circuit board according to a preset arrangement manner.
According to the embodiment of the present application, as a preference in the embodiment, as shown in fig. 2(a) -2 (c), the first signal processing unit 101 and the second signal processing unit 102 are disposed on different printed circuit boards, respectively.
As shown in fig. 2(a) -2 (c), wherein TX denotes signal transmission and RX denotes signal reception. Specifically, the first signal processing unit 101 and the second signal processing unit 102 are arranged on the PCB in a certain manner, for example, a ring arrangement, a rectangular frame arrangement, a parallel arrangement, etc. may be adopted. Optionally, the first signal processing unit 101 is arranged on one PCB, and the second signal processing unit 102 is arranged on another PCB, and the two PCBs form an included angle of 90 degrees or other included angles. It should be noted that, regardless of how the first signal processing unit 101 and the second signal processing unit 102 are disposed, an electric field is formed in the first signal processing unit 101 and the second signal processing unit 102, and the first signal processing unit 101 and the second signal processing unit 102 become two stages of a capacitor.
It should also be noted that the first signal processing unit 101 may be a signal transmitting unit, and the second signal processing unit 102 may also be a signal receiving unit. Alternatively, the first signal processing unit 101 may be a signal receiving unit, and the second signal processing unit 102 may also be a signal transmitting unit.
According to the embodiment of the present application, as a preference in the embodiment, as shown in fig. 3, the first signal processing unit 101 is configured to: transmitting an electrical signal, the second signal processing unit 102 being configured to: receiving the electrical signal, determining whether the attribute value of the electrical signal received in the second signal processing unit 102 meets a preset variation degree value, and determining whether an object is placed according to the electrical signal meeting the preset variation degree value. TX denotes signal transmission and RX denotes signal reception. There is an electric field effect at the TX and the RX.
According to the embodiment of the present application, as a preference in the embodiment, as shown in fig. 4, the first signal processing unit 101 is configured to: transmitting an electrical signal having a mixed waveform, the second signal processing unit 102 being configured to: and demodulating to obtain the relative change degree value of the electric signal.
Specifically, the first signal processing unit 101 may transmit an electric signal, for example, a direct current signal, a sine wave signal, a triangular wave signal, a square wave signal, or the like, under the control of the controller. The embodiments of the present application are not limited, and mainly can meet the requirement of transmitting signals. Further, the second signal processing unit 102 functions as a signal receiving unit by receiving a signal transmitted by the first signal processing unit 101 as a signal transmitting unit under the control of the controller, and performs detection of whether the cellular phone is placed or not according to the degree of change in waveform, frequency, amplitude, and the like of the received signal.
The first signal processing unit 101 and the second signal processing unit 102 are arranged on a PCB in a certain manner, such as a circular arrangement, a rectangular frame arrangement, a parallel arrangement, or the like, or the first signal processing unit 101 is arranged on a PCB, and the second signal processing unit 102 is arranged on another PCB, and the two PCBs are placed at 90 degrees or other angles, but no matter how they are placed, an electric field is formed in the first signal processing unit 101 and the second signal processing unit 102, and the first signal processing unit 101 and the second signal processing unit 102 become two stages of a capacitor.
The first signal processing unit 101 transmits an electrical signal, such as a direct current signal, a sine wave signal, a triangular wave signal, a square wave signal, etc., under the control of the controller; the second signal processing unit 102 receives the signal transmitted by the first signal processing unit 101 under the control of the controller, and performs detection of whether the mobile phone is placed according to the degree of change in waveform, frequency, amplitude, etc. of the received signal.
For the implementation of the signal detection mode, the transmission waveform of the first signal processing unit 101 may be one waveform or a mixed waveform of several waveforms, and the second signal processing unit 102 has sufficient processing capability to analyze the waveform changes caused by the placement of the mobile phone. Preferably, in view of reducing power consumption, in the case where the second signal processing unit 102 does not detect a signal change, the first signal processing unit 101 maintains a low transmission frequency of the electric signal, for example, 1 Hz; in the case where the second signal processing unit 102 detects a signal change, the first signal processing unit 101 enters a phase of an electrical signal transmission frequency of a high frequency, for example, 1 KHz; after the second signal processing unit 102 detects that the signal is stable, the first signal processing unit 101 is kept at a low electrical signal transmission frequency, so that the purpose of reducing power consumption is achieved.
In addition, the detection method is not limited to the placement detection of the mobile phone, and can also be used for the placement detection of other objects.
According to the embodiment of the present application, as a preference in the embodiment, as shown in fig. 6, the first signal processing unit is configured to:
step S102, if the second signal processing unit does not detect the change of the electric signal, the electric signal is sent according to the low emission frequency;
step S104, if the change of the electric signal detected in the second signal processing unit, sending the electric signal according to a high transmission frequency;
and step S106, if the electric signal detected by the second signal processing unit is stable, maintaining the low transmission frequency to transmit the electric signal.
Specifically, in view of reducing power consumption, the first signal processing unit 101 maintains a low electrical signal transmission frequency, such as a transmission frequency range of 1-10Hz, if the second signal processing unit 102 does not detect a signal change. Further, in the case that the second signal processing unit 102 detects a signal change, the first signal processing unit 101 enters a phase of an electrical signal transmission frequency of a high frequency, for example, 10-12 KHz; after the second signal processing unit 102 detects that the signal is stable, the first signal processing unit 101 is controlled to maintain a low electrical signal transmission frequency, so that the purpose of reducing power consumption is achieved.
According to the embodiment of the present application, as shown in fig. 5, as a preferable option in the embodiment, the mobile phone holder based on capacitance detection further includes: the signal processing module 10 is electrically connected with the control module 20 and is used for transmitting a trigger signal to the control module when an object is detected to be placed; the control module block 20 is electrically connected to the driving module 30, and is configured to transmit a driving control signal to the driving module after detecting that an object is placed.
Specifically, the mobile phone support based on capacitance detection also has a housing 1, and a fixing part 11 may be disposed on the housing 1 for fixing the mobile terminal. A signal processing module 10, a control module 20 and a driving module 30 are disposed in the housing 1.
Besides the signal processing module 10, the device also includes a control module 20 and a driving module 30. The control module 20 is connected to the signal processing module 10 and the driving module 30 respectively. The control module 20 may be a controller, and the driving module 30 may be a driving motor. Further, the control module 20 is mainly configured to receive and process the object detection identification signal transmitted by the signal processing module 10, perform preset operation processing on the signal, and control the driving module 30 to perform corresponding movement. Preferably, the signal processing module 10 includes: a first signal processing unit 101 for transmitting as a signal and a second signal processing unit 102 for receiving as a signal. The first signal processing unit 101 and the second signal processing unit 102 are electrically connected to the control module 20, respectively.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
According to an embodiment of the present application, there is also provided a signal processing apparatus based on capacitive detection for implementing the above-mentioned mobile phone cradle based on capacitive detection, as shown in fig. 7, the apparatus includes: a first detecting unit 200 for detecting whether there is one electrode of a capacitor as a transmission electric signal; a second detecting unit 300 for detecting whether to be the other pole of the capacitor receiving the electric signal; and the judgment processing unit 400 is used for detecting whether an object is placed according to the change degree of the capacitance.
Specifically, the first detecting unit 200 in the embodiment of the present application is configured to detect whether there is one electrode of the capacitor as a transmitting electrical signal, and if so, continue to detect whether there is another electrode of the capacitor as a receiving electrical signal through the second detecting unit 300. According to the two established capacitance levels, whether an object is placed can be detected in the determination processing unit 400 according to the degree of change of the capacitance. As one electrode of the capacitor for transmitting the electric signal, for example, a direct current signal, a sine wave signal, a triangular wave signal, a square wave signal, or the like may be transmitted. The embodiments of the present application are not limited, and mainly can meet the requirement of transmitting signals. As the other electrode of the capacitor for receiving the electric signal, whether the mobile phone is placed or not can be detected according to the change degree of the waveform, the frequency, the amplitude and the like of the received signal.
According to another embodiment of the present application, there is provided a signal processing method based on capacitance detection in another embodiment of the present application, as shown in fig. 8, including:
step S1, detecting whether there is one electrode of capacitor as transmitting electric signal;
if the one pole of the capacitor serving as the transmission electric signal is detected, the position or the angle of the one pole of the capacitor serving as the transmission electric signal can be further judged.
Step S2, detecting whether the other electrode of the capacitor is used as the receiving electric signal;
the position or angle of the one pole of the capacitor as the received electrical signal can be further judged if the other pole of the capacitor as the received electrical signal is detected.
And step S3, detecting whether an object is placed according to the change degree of the capacitance.
The transmission electric signal, for example, may be a direct current signal, a sine wave signal, a triangular wave signal, a square wave signal, or the like. When receiving the signal transmitted by the signal transmitting unit, the mobile phone is detected whether to be placed according to the variation degree of the waveform, frequency, amplitude and the like of the received signal.
Preferably, detecting whether an object is placed according to the degree of change of the capacitance includes:
step S31, according to whether the received attribute value of the electric signal accords with a preset variation degree value;
specifically, the attribute value of the electrical signal includes detection of whether the mobile phone is placed according to the degree of change of the direct current signal, the sine wave electrical signal, the triangle wave electrical signal, different waveforms, different frequencies, different amplitudes, and the like.
Step S32, if yes, detecting that an object is placed;
and if the detection accords with the preset variation degree value, the object placement is considered to be detected.
Step S33, if not, no object placement is detected;
and if the detection does not accord with the preset variation degree value, the object placement is not detected.
Furthermore, the method further comprises:
step S4, if the capacitance of one pole does not detect the change of the electric signal, then controlling the other pole of the capacitance to send the electric signal according to the low transmitting frequency;
specifically, in view of reducing power consumption, the first signal processing unit 101 maintains a low electrical signal transmission frequency, such as a transmission frequency range of 1-10Hz, if the second signal processing unit 102 does not detect a signal change.
Step S5, if the change of the electric signal detected at one pole of the capacitor, controlling the other pole of the capacitor to send the electric signal according to the high transmitting frequency;
further, in case that the second signal processing unit 102 detects a signal change, the first signal processing unit 101 enters a phase of an electric signal transmission frequency of a high frequency, for example, 10-12 KHz.
And step S6, if the electric signal detected at one pole of the capacitor is stable, controlling the other pole of the capacitor to keep the low emission frequency to send the electric signal.
After the second signal processing unit 102 detects that the signal is stable, the first signal processing unit 101 is controlled to maintain a low electrical signal transmission frequency, so that the purpose of reducing power consumption is achieved.
It will be apparent to those skilled in the art that the modules or steps of the present application described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may alternatively be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, or fabricated separately as individual integrated circuit modules, or fabricated as a single integrated circuit module from multiple modules or steps. Thus, the present application is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a cell phone stand based on electric capacity detects which characterized in that includes: a signal processing module, the signal processing module comprising: the mobile phone support comprises a first signal processing unit and a second signal processing unit, wherein the first signal processing unit and the second signal processing unit are respectively used as two poles of a capacitor, so that the mobile phone support can detect whether an object is placed:
the first signal processing unit is configured to: transmitting an electric signal having a mixed waveform, transmitting the electric signal at a low transmission frequency if no change of the electric signal is detected by the second signal processing unit, transmitting the electric signal at a high transmission frequency if a change of the electric signal has been detected by the second signal processing unit, and transmitting the electric signal at a low transmission frequency if the electric signal detected by the second signal processing unit is stabilized; the second signal processing unit is configured to: and receiving the electric signal, judging whether an object is placed according to the electric signal which accords with the preset change degree value or not by judging whether the attribute value of the electric signal received in the second signal processing unit accords with the preset change degree value or not, and demodulating to obtain the relative change degree value of the electric signal.
2. The handset support according to claim 1, wherein the first signal processing unit and the second signal processing unit are disposed on a same printed circuit board according to a predetermined arrangement.
3. The handset cradle according to claim 1, wherein the first signal processing unit and the second signal processing unit are disposed on different printed circuit boards, respectively.
4. The handset cradle of claim 1, further comprising: a control module and a driving module, wherein the driving module is connected with the control module,
the signal processing module is electrically connected with the control module and is used for transmitting a trigger signal to the control module when the object is detected to be placed;
the control module is electrically connected with the driving module and used for transmitting a driving control signal to the driving module after the object is detected to be placed.
5. A signal processing apparatus based on capacitance detection, comprising:
a first detection unit for detecting whether there is one electrode of a capacitor as a transmission electric signal; if the first electrode of the capacitor serving as the transmission electric signal is detected, the position or the angle of the first electrode of the capacitor serving as the transmission electric signal can be further judged;
a second detection unit for detecting whether to serve as the other electrode of the capacitor for receiving the electric signal; if the other pole of the capacitor used as the received electric signal is detected, the position or the angle of the one pole of the capacitor used as the received electric signal can be further judged;
the judgment processing unit is used for detecting whether an object is placed according to the change degree of the capacitance; and when receiving the signal transmitted by the signal transmitting unit, detecting whether the mobile phone is placed according to the waveform, frequency and amplitude change degree of the received signal.
6. A signal processing method based on capacitance detection is characterized by comprising the following steps:
detecting whether a capacitor one pole serving as a transmission electric signal exists; if the first electrode of the capacitor serving as the transmission electric signal is detected, the position or the angle of the first electrode of the capacitor serving as the transmission electric signal can be further judged;
detecting whether the other electrode of the capacitor is used for receiving the electric signal; if the other pole of the capacitor used as the received electric signal is detected, the position or the angle of the one pole of the capacitor used as the received electric signal can be further judged;
detecting whether an object is placed according to the change degree of the capacitance; and when receiving the signal transmitted by the signal transmitting unit, detecting whether the mobile phone is placed according to the waveform, frequency and amplitude change degree of the received signal.
7. The signal processing method of claim 6, wherein detecting whether an object is placed according to the degree of change in the capacitance comprises:
according to whether the attribute value of the received electric signal meets a preset variation degree value or not;
if the position is consistent with the preset position, detecting that an object is placed;
if not, no object placement is detected;
further comprising:
controlling the other electrode of the capacitor to send the electric signal according to a low transmitting frequency if the change of the electric signal is not detected at the other electrode of the capacitor;
controlling the transmission of the electrical signal at a high transmission frequency at the other pole of the capacitor if a change of the electrical signal has been detected at the one pole of the capacitor;
and if the electric signal detected at one pole of the capacitor is stable, controlling the other pole of the capacitor to keep the low transmitting frequency to send the electric signal.
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| CN205407931U (en) * | 2016-03-03 | 2016-07-27 | 陈曦 | Cell phone stand of tape storage |
| CN106790850A (en) * | 2016-12-21 | 2017-05-31 | 深圳市网科技有限公司 | A kind of vehicle-mounted anti-loss handset mounting and anti-loss method |
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