CN105208423A - Method and system for remote control based on electromagnetic induction - Google Patents
Method and system for remote control based on electromagnetic induction Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42201—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] biosensors, e.g. heat sensor for presence detection, EEG sensors or any limb activity sensors worn by the user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42226—Reprogrammable remote control devices
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Abstract
The invention discloses a method for remote control based on electromagnetic induction, which comprises the steps that a remote controller forms induction capacitance with a human body when the human body approaches, and oscillation signals are generated when a capacitance value of the induction capacitance reaches a preset value; a remote control code value is generated according to the oscillation signals and sent to a terminal device; the terminal device receives the remote control code value sent by the remote controller, and a frequency value in the remote control code value is decoded, wherein the frequency value is oscillation frequency of the oscillation signals; the frequency value is compared with preset frequency intervals, wherein each preset frequency interval corresponds to an action of the terminal device; and when the frequency value is located at a certain preset frequency interval in a preset length of time, an action corresponding to the preset frequency interval is executed. The invention further discloses a system for remote control based on electromagnetic induction, which is used for executing the method for remote control based on electromagnetic induction. The method and the system disclosed by the invention can realize that key functions of the remote controller can be completed without contacting the remote controller, thereby improving the reliability of the remote controller and the terminal device, and improving intelligentization of the terminal device.
Description
Technical field
The present invention relates to telecontrol engineering field, particularly relate to a kind of based on electromagnetic induction remote control thereof and system.
Background technology
Remote controller is the most basic standard accessory of television set, is also the most frequently used accessory of user.Nowadays functions of television set gets more and more, and the button of remote controller also gets more and more, in fact for the conventional button of most users i.e. channel switch button and switching on and shutting down button.But for certain customers, especially old man, children are in the process of using a teleswitch often easy confusion, do not know the function that each button is corresponding.In addition when user is under insufficient light environment, be also not easy to identify each button particular location.Certainly some television set adds gesture identification function, the basic function of remote controller can be replaced by gesture, but this function needs to add camera on TV, gather human body gesture, and the method is also by the impact of external environmental light, if under comparatively dark situation, television set is difficult to identify human body gesture.
Summary of the invention
Main purpose of the present invention is that providing a kind of is intended to realize noncontact remote controller namely completes function of remote controller keys based on electromagnetic induction remote control thereof and system, improves the reliability of remote controller and terminal equipment, improves the intellectuality of terminal equipment.
In order to achieve the above object, the invention provides a kind of based on electromagnetic induction remote control thereof, describedly to comprise the following steps based on electromagnetic induction remote control thereof:
Remote controller human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal;
Generate remote control code value according to described oscillator signal and be sent to terminal equipment;
Terminal equipment receives the remote control code value that remote controller sends, and decodes the frequency values in described remote control code value; Wherein, described frequency values is the frequency of oscillation of described oscillator signal;
Described frequency values and predeterminated frequency interval are compared; Wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment;
When frequency values described in preset duration is in a certain predeterminated frequency interval, perform corresponding action interval with this predeterminated frequency.
Preferably, described remote controller human body near time and human body form inductance capacitance, and produce the step of oscillator signal when the capacitance of this inductance capacitance reaches preset value and be specially:
Remote controller human body near time, form inductance capacitance by built-in antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator occurs vibrate and produce oscillator signal.
Preferably, the described step being sent to terminal equipment according to described oscillator signal generation remote control code value comprises:
Read the frequency of oscillation of described oscillator signal;
According to pre-arranged code form, described frequency of oscillation is encoded, generate the remote control code value containing frequency values;
Described remote control code value is sent to terminal equipment.
Preferably, described predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval, and described when frequency values described in preset duration is in a certain predeterminated frequency interval, the step performing corresponding action interval with this predeterminated frequency comprises:
When frequency values described in described preset duration is in a certain predeterminated frequency interval, judge that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval;
When described frequency values is in the first predeterminated frequency interval, perform corresponding action interval with this first predeterminated frequency;
When described frequency values is in the second predeterminated frequency interval, perform corresponding action interval with this second predeterminated frequency.
In order to achieve the above object, the present invention also provides a kind of based on electromagnetic induction remote control system further, describedly comprises remote controller and terminal equipment based on electromagnetic induction remote control system;
Described remote controller comprises:
Oscillator, for human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal;
Controller, is sent to terminal equipment for generating remote control code value according to described oscillator signal;
Described terminal equipment comprises:
Decoder module, for receiving the remote control code value that remote controller sends, decodes the frequency values in described remote control code value; Wherein, described frequency values is the frequency of oscillation of described oscillator signal;
Comparison module, for comparing described frequency values and predeterminated frequency interval; Wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment;
Action executing module, when being in a certain predeterminated frequency interval for frequency values described in preset duration, performs corresponding action interval with this predeterminated frequency.
Preferably, described oscillator comprises antenna, described oscillator specifically for human body near time, inductance capacitance is formed by antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator occurs vibrate and produce oscillator signal.
Preferably, described controller comprises:
Frequency reading unit, for reading the frequency of oscillation of described oscillator signal;
Coding unit, for encoding to described frequency of oscillation according to pre-arranged code form, generates the remote control code value containing frequency values;
Code value transmitting element, for being sent to terminal equipment by described remote control code value.
Preferably, described predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval, and described action executing module comprises:
Judging unit, when being in a certain predeterminated frequency interval for frequency values described in described preset duration, judges that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval;
Performance element, during for being in the first predeterminated frequency interval at described frequency values, performs corresponding action interval with this first predeterminated frequency; When described frequency values is in the second predeterminated frequency interval, perform corresponding action interval with this second predeterminated frequency.
Provided by the invention based on electromagnetic induction remote control thereof, due to remote controller human body near time, form inductance capacitance with human body, and produce oscillator signal when the capacitance of this inductance capacitance reaches preset value, and be sent to terminal equipment according to described oscillator signal generation remote control code value.Therefore, when user uses a teleswitch remote terminal equipment, only need do human action on a remote control, pressing respective keys without the need to contacting remote controller, namely can perform corresponding actions by control terminal without the need to being carried out remote controller by key mode, achieving and namely complete function of remote controller keys by noncontact remote controller, owing to not being carry out remote controller by key mode, remote controller neither replaced by gesture, therefore not affect by external environment light, the reliability of remote controller can improved.And, because terminal equipment identifies action to be dealt with by the frequency values in the remote control code value of acquisition remote controller transmission, and the remote control code value of remote controller does not affect by external environment light, thus the remote control code value of terminal equipment response remote controller accurately performs corresponding actions and interference-free, avoid misoperation, thus the reliability of terminal equipment can be improved, improve the intellectuality of terminal equipment.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention is based on the preferred embodiment of electromagnetic induction remote control thereof;
Fig. 2 is the schematic flow sheet of step S102 in Fig. 1;
Fig. 3 is the schematic flow sheet of step S105 in Fig. 1;
Fig. 4 is the structural representation that the present invention is based on the preferred embodiment of electromagnetic induction remote control system;
Fig. 5 is the structural representation of Fig. 4 middle controller;
Fig. 6 is the structural representation of action executing module in Fig. 4.
The realization of object of the present invention, functional characteristics and advantage, will in conjunction with the embodiments, and be described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of based on electromagnetic induction remote control thereof, be applied to the method for remote control device terminal equipment (as television set).
Reference Fig. 1, Fig. 1 are the schematic flow sheet that the present invention is based on the preferred embodiment of electromagnetic induction remote control thereof.
The present invention is based in the preferred embodiment of electromagnetic induction remote control thereof, the present invention is based on electromagnetic induction remote control thereof and comprise the following steps:
Step S101: remote controller human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal.
Human body near time, remote controller and human body generation electromagnetic induction, and form inductance capacitance between human body, and, the capacitance of this inductance capacitance reach preset value (this preset value can according to test of many times after the reference value determined, be not restricted herein) time, vibrate according to formed inductance capacitance, produce the oscillator signal of different frequency of oscillation.
Step S102: generate remote control code value according to described oscillator signal and be sent to terminal equipment.
After generation oscillator signal, remote controller utilizes described oscillator signal to generate remote control code value, and this remote control code value is the control command for control terminal, such as, and channel switching instruction, volume adjusting instruction etc.Generated remote control code value is sent to terminal equipment by remote controller, thus is controlled terminal equipment by remote control code value, and the different remote control code values that terminal equipment can be sent according to remote controller hold different actions, realize carrying out remote control to terminal equipment.Such as, terminal equipment is television set, if control command corresponding to remote control code value that remote controller sends is upwards switching channels, then terminal equipment performs upwards switching channels action.
Step S103: terminal equipment receives the remote control code value that remote controller sends, and decodes the frequency values in described remote control code value.
Terminal equipment receives the remote control code value that remote controller sends, and after the remote control code value receiving remote controller transmission, for identifying remote control code value, remote control code value is decoded, remote control code value is decoded as the data before coding, thus obtains the frequency values in remote control code value, wherein, described frequency values is the frequency of oscillation of described oscillator signal, and namely this frequency values is the oscillation frequency that remote controller and human body form the oscillator signal that inductance capacitance produces.
Step S104: described frequency values and predeterminated frequency interval are compared.
Described frequency values and predeterminated frequency interval, after decoding the frequency values in remote control code value, compare by the present embodiment, whether are in a certain predeterminated frequency interval with determination frequency value.Predeterminated frequency interval can be that one or more predeterminated frequency is interval, and wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment.Need action to be processed by setting the interval corresponding terminal equipment of each predeterminated frequency, thus after determining the predeterminated frequency interval at frequency values place, can determine that terminal equipment needs action to be processed, terminal equipment performs corresponding action interval with this predeterminated frequency.
Step S105: when frequency values described in preset duration is in a certain predeterminated frequency interval, performs corresponding action interval with this predeterminated frequency.
When frequency values and predeterminated frequency interval are compared, if it is interval that frequency values as described in preset duration (as 1s) is in a certain predeterminated frequency always, namely the duration that described frequency values is in a certain predeterminated frequency interval reaches preset duration, then terminal equipment judges that the remote control code value that now remote controller sends is control command, the action that terminal equipment presets according to this predeterminated frequency interval, perform this action, such as terminal equipment is television set, the interval corresponding action of the predeterminated frequency at the frequency values place in remote control code value is upwards switching channels, then television set performs upwards switching channels action.On the contrary, if described frequency values is not all in predeterminated frequency interval, or there is frequency values in preset duration not when predeterminated frequency interval, then terminal equipment judges that the remote control code value that now remote controller sends is not control command, and terminal equipment does not respond.
The present invention is based on electromagnetic induction remote control thereof, remote controller human body near time, form inductance capacitance with human body and produce oscillator signal, and generating remote control code value according to described oscillator signal and be sent to terminal equipment.Therefore, when user uses a teleswitch remote terminal equipment, only need do human action on a remote control, pressing respective keys without the need to contacting remote controller, namely can perform corresponding actions by control terminal without the need to being carried out remote controller by key mode, achieving and namely complete function of remote controller keys by noncontact remote controller, owing to not being carry out remote controller by key mode, remote controller neither replaced by gesture, therefore not affect by external environment light, the reliability of remote controller can improved.And, terminal equipment identifies action to be dealt with by the frequency values obtained in the remote control code value of remote controller transmission, and the remote control code value of remote controller does not affect by external environment light, thus the remote control code value of terminal equipment response remote controller accurately performs corresponding actions and interference-free, avoid misoperation, thus the reliability of terminal equipment can be improved, improve the intellectuality of terminal equipment.
The present invention arranges oscillator in remote controller inside, this oscillator comprises antenna, particularly, human body near time, remote controller forms inductance capacitance by built-in antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator occurs vibrate and produce oscillator signal.
Because human body can think a pole plate of electric capacity in physics, and, in the present embodiment, the antenna of remote controller inside can as another pole plate of electric capacity, therefore when human body is when the antenna of remote controller inside, an inductance capacitance is formed between antenna and human body, this inductance capacitance is as the electric capacity of oscillator, and antenna is as the inductance of oscillator, and the oscillator now in remote controller forms LC oscillator.
When antenna and human body form inductance capacitance, remote controller can obtain the capacitance C of this inductance capacitance.Known according to formula C=k* (a/d), when antenna and human body distance change, the capacitance of the inductance capacitance formed between antenna and human body changes, and capacitance C and a is directly proportional, be inversely proportional to d, wherein, k is a constant (as 0.95), a is the area of antenna, and d is the distance of antenna and human body.
According to formula
known, the frequency of oscillation of the oscillator signal that LC oscillator produces and the inductance value L of antenna, and the capacitance C of the inductance capacitance formed between antenna with human body is relevant, i.e. the frequency of oscillation of LC oscillator and the distance dependent between antenna and human body.Thus when antenna and human body distance change, the capacitance of the inductance capacitance formed between antenna and human body changes, and the frequency of oscillation of the oscillator signal that LC oscillator produces also changes.
In conjunction with seeing figures.1.and.2, wherein Fig. 2 is the schematic flow sheet of step S102 in Fig. 1.
Based on above-described embodiment, as shown in Figure 2, the present invention is based on step S102 in electromagnetic induction remote control thereof shown in Fig. 1 to comprise:
Step S111: the frequency of oscillation reading described oscillator signal.
After oscillator in remote controller produces oscillator signal, read the frequency of oscillation of described oscillator signal, due at human body near remote controller, namely user does in human action process on a remote control, the frequency of oscillation of the oscillator signal that oscillator produces changes, thus can read multiple frequency values.
Step S112: encode to described frequency of oscillation according to pre-arranged code form, generates the remote control code value containing frequency values.
After reading oscillator signal, remote controller carries out coding according to pre-arranged code form to frequency of oscillation and obtains remote control code value, this remote control code value is the control command for control terminal, and the remote control code value obtained after encoded comprises frequency values, i.e. the frequency of oscillation of oscillator.
The remote control code value of usual remote controller comprises guidance code, customer number and numeric data code, and the present invention increases frequency values at the remote control code value of remote controller, and particularly, described pre-arranged code form is:
| Guidance code | Customer number | Numeric data code | Frequency values |
Wherein, described guidance code represents the type of remote controller, such as, represent that this remote controller is TV remote controller, DVD remote controller or air-conditioning remote control etc., described customer number represents the producer of the terminal equipment that remote controller controls, described numeric data code represents remote controller key value, and described frequency values is the frequency of oscillation of remote controller internal oscillator.
Step S113: described remote control code value is sent to terminal equipment.
After obtaining the remote control code value containing frequency values, generated remote control code value is sent to terminal equipment by remote controller, thus by remote control code value, terminal equipment is controlled, the different remote control code values that terminal equipment can be sent according to remote controller perform corresponding actions, realize carrying out remote control to terminal equipment.Such as, terminal equipment is television set, if control command corresponding to remote control code value that remote controller sends is upwards switching channels, then terminal equipment performs upwards switching channels action.
In conjunction with reference Fig. 1 and Fig. 3, wherein Fig. 3 is the schematic flow sheet of step S105 in Fig. 1.
Particularly, as shown in Figure 3, in Fig. 1, step S105 comprises:
Step S211: when frequency values described in described preset duration is in a certain predeterminated frequency interval, judges that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval.
In the present embodiment, when described frequency values and predeterminated frequency interval being compared, this predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval.
When judging that the frequency values in described preset duration in remote control code value is in a certain predeterminated frequency interval, judge which predeterminated frequency described frequency values is specifically in again interval, particularly, the present embodiment judges that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval, namely judges that whether the frequency values decoded from remote control code value in described preset duration is always interval or always interval at the second predeterminated frequency at the first predeterminated frequency.First predeterminated frequency interval and the second predeterminated frequency interval can set according to actual conditions, such as the first predeterminated frequency interval is 1500 ~ 2000Hz, second predeterminated frequency interval is 1000 ~ 1500Hz, and, only to arrange, the first predeterminated frequency is interval and the second predeterminated frequency is interval is described for the present embodiment, can also arrange more multiple preset frequency separation as required, this is not restricted.
Step S212: when described frequency values is in the first predeterminated frequency interval, performs corresponding action interval with this first predeterminated frequency.
When judging that the frequency values in described preset duration in remote control code value is in a certain predeterminated frequency interval, if specifically judge, described frequency values is interval at the first predeterminated frequency, and terminal equipment then performs corresponding action interval with this first predeterminated frequency.It is interval if specifically judge, described frequency values is not all in the first predeterminated frequency, or in described preset duration, there is described frequency values when not being in the first predeterminated frequency interval, and terminal equipment does not then respond.
Such as, terminal equipment is television set, and action corresponding to described first predeterminated frequency is upwards switching channels, then in described preset duration frequency values be in the first predeterminated frequency interval time, terminal equipment performs upwards switching channels action; The first predeterminated frequency is not all in interval at described frequency values, or there is described frequency values when not being in the moment in the first predeterminated frequency interval in described preset duration, terminal equipment does not respond, namely do not perform upwards switching channels operation, do not perform other operation, keep current state yet.
Step S213: when described frequency values is in the second predeterminated frequency interval, performs corresponding action interval with this second predeterminated frequency.
When judging that the frequency values in described preset duration in remote control code value is in a certain predeterminated frequency interval, if specifically judge, described frequency values is interval at the second predeterminated frequency, and terminal equipment then performs corresponding action interval with this second predeterminated frequency.It is interval if specifically judge, described frequency values is not all in the second predeterminated frequency, or in described preset duration, there is described frequency values when not being in the second predeterminated frequency interval, and terminal equipment does not then respond.
Such as, terminal equipment is television set, and the interval corresponding action of described second predeterminated frequency is downward switching channels, then, when in described preset duration, frequency values is in the second predeterminated frequency interval, terminal equipment performs downward switching channels action; When described frequency values is not all in the second predeterminated frequency interval, or there is described frequency values when not being in the moment in the second predeterminated frequency interval in described preset duration, terminal equipment does not respond, namely do not perform the operation of downward switching channels, do not perform other operation, keep current state yet.
The present invention also provides a kind of based on electromagnetic induction remote control system.
Reference Fig. 4, Fig. 4 are the structural representation that the present invention is based on the preferred embodiment of electromagnetic induction remote control system.
The present invention is based in the preferred embodiment of electromagnetic induction remote control system, describedly comprise remote controller 110 and terminal equipment 120 based on electromagnetic induction remote control system.
Described remote controller 110 comprises oscillator 100 and controller 200.
Wherein, oscillator 100 for human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal.
Controller 200 is sent to terminal equipment 120 for generating remote control code value according to described oscillator signal.
Human body near time, oscillator 100 in remote controller 110 and human body generation electromagnetic induction, and form inductance capacitance between human body, and, the capacitance of this inductance capacitance reach preset value (this preset value can according to test of many times after the reference value determined, be not restricted herein) time, vibrate according to formed inductance capacitance, produce the oscillator signal of different frequency of oscillation.
After generation oscillator signal, the controller 200 in remote controller 110 utilizes described oscillator signal to generate remote control code value, and this remote control code value is the control command for control terminal 120, such as, and channel switching instruction, volume adjusting instruction etc.Generated remote control code value is sent to terminal equipment 120 by the controller 200 in remote controller 110, thus by remote control code value, terminal equipment 120 is controlled, the different remote control code values that terminal equipment 120 can be sent according to remote controller 110 hold different actions, realize carrying out remote control to terminal equipment 120.Such as, terminal equipment 120 is television set, if control command corresponding to remote control code value that remote controller 110 sends is upwards switching channels, then terminal equipment 120 performs upwards switching channels action.
And described terminal equipment 120 comprises decoder module 300, comparison module 400 and action executing module 500.
Wherein, the remote control code value that decoder module 300 sends for receiving remote controller 110, decodes the frequency values in described remote control code value; Wherein, described frequency values is the frequency of oscillation of described oscillator signal.
Comparison module 400 is for comparing described frequency values and predeterminated frequency interval; Wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment 120.
When action executing module 500 is in a certain predeterminated frequency interval for frequency values described in preset duration, perform corresponding action interval with this predeterminated frequency.
Terminal equipment 120 receives the remote control code value that remote controller 110 sends, and after the remote control code value receiving remote controller 110 transmission, for identifying remote control code value, decoded by decoder module 300 pairs of remote control code values, remote control code value is decoded as the data before coding, thus obtains the frequency values in remote control code value, wherein, described frequency values is the frequency of oscillation of described oscillator signal, and namely this frequency values is that remote controller 110 forms the oscillation frequency of the oscillator signal that inductance capacitance produces with human body.
The present embodiment is after decoder module 300 decodes the frequency values in remote control code value, and described frequency values and predeterminated frequency interval compare by comparison module 400, whether is in a certain predeterminated frequency interval with determination frequency value.Predeterminated frequency interval can be that one or more predeterminated frequency is interval, and wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment 120.Action to be processed is needed by setting the interval corresponding terminal equipment 120 of each predeterminated frequency, thus after determining the predeterminated frequency interval at frequency values place, can determine that terminal equipment 120 needs action to be processed, terminal equipment 120 performs corresponding action interval with this predeterminated frequency.
When frequency values and predeterminated frequency interval compare by comparison module 400, if it is interval that frequency values as described in preset duration (as 1s) is in a certain predeterminated frequency always, namely the duration that described frequency values is in a certain predeterminated frequency interval reaches preset duration, action executing module 500 then in terminal equipment 120 judges that the remote control code value that now remote controller 110 sends is control command, the action that terminal equipment 120 presets according to this predeterminated frequency interval, perform this action, such as terminal equipment 120 is television set, the interval corresponding action of the predeterminated frequency at the frequency values place in remote control code value is upwards switching channels, then television set performs upwards switching channels action.On the contrary, if described frequency values is not all in predeterminated frequency interval, or there is frequency values in preset duration not when predeterminated frequency interval, then terminal equipment 120 judges that the remote control code value that now remote controller 110 sends is not control command, and terminal equipment 120 does not respond.
The present invention is based on electromagnetic induction remote control system, remote controller 110 human body near time, form inductance capacitance with human body and produce oscillator signal, and generating remote control code value according to described oscillator signal and be sent to terminal equipment 120.Therefore, when user uses a teleswitch 110 remote terminal equipment 120, only need do human action on remote controller 110, respective keys is pressed without the need to contacting remote controller 110, namely corresponding actions can be performed by control terminal 120 without the need to being carried out remote controller 110 by key mode, achieve and namely complete remote controller 110 keypress function by noncontact remote controller 110, owing to not being carry out remote controller 110 by key mode, remote controller 110 neither replaced by gesture, therefore do not affect by external environment light, the reliability of remote controller 110 can be improved.And, terminal equipment 120 identifies action to be dealt with by the frequency values obtained in the remote control code value of remote controller 110 transmission, and the remote control code value of remote controller 110 does not affect by external environment light, thus the remote control code value that terminal equipment 120 responds remote controller 110 accurately performs corresponding actions and interference-free, avoid misoperation, thus the reliability of terminal equipment 120 can be improved, improve the intellectuality of terminal equipment 120.
Particularly, described oscillator 100 comprises antenna, described oscillator 100 specifically for human body near time, inductance capacitance is formed by antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator 100 respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator 100 occurs vibrate and produce oscillator signal.
Because human body can think a pole plate of electric capacity in physics, and, in the present embodiment, the antenna of remote controller 110 inside can as another pole plate of electric capacity, therefore when human body is when the antenna of remote controller 110 inside, an inductance capacitance is formed between antenna and human body, this inductance capacitance is as the electric capacity of oscillator 100, and antenna is as the inductance of oscillator 100, and the oscillator 100 now in remote controller 110 forms LC oscillator.
When antenna and human body form inductance capacitance, remote controller 110 can obtain the capacitance C of this inductance capacitance.Known according to formula C=k* (a/d), when antenna and human body distance change, the capacitance of the inductance capacitance formed between antenna and human body changes, and capacitance C and a is directly proportional, be inversely proportional to d, wherein, k is a constant (as 0.95), a is the area of antenna, and d is the distance of antenna and human body.
According to formula
known, the frequency of oscillation of the oscillator signal that LC oscillator produces and the inductance value L of antenna, and the capacitance C of the inductance capacitance formed between antenna with human body is relevant, i.e. the frequency of oscillation of LC oscillator and the distance dependent between antenna and human body.Thus when antenna and human body distance change, the capacitance of the inductance capacitance formed between antenna and human body changes, and the frequency of oscillation of the oscillator signal that LC oscillator produces also changes.
In conjunction with reference Fig. 4 and Fig. 5, wherein Fig. 5 is the structural representation of Fig. 4 middle controller.
As shown in Figure 5, described controller 200 comprises frequency reading unit 210, coding unit 220 and code value transmitting element 230.
Wherein, frequency reading unit 210 is for reading the frequency of oscillation of described oscillator signal.
Coding unit 220, for encoding to described frequency of oscillation according to pre-arranged code form, generates the remote control code value containing frequency values.
Code value transmitting element 230 is for being sent to terminal equipment 120 by described remote control code value.
After oscillator 100 in remote controller 110 produces oscillator signal, frequency reading unit 210 in controller 200 reads the frequency of oscillation of described oscillator signal, due at human body near remote controller 110, namely user does in human action process on remote controller 110, the frequency of oscillation of the oscillator signal that oscillator 100 produces changes, thus frequency reading unit 210 can read multiple frequency values.
After frequency reading unit 210 reads oscillator signal, coding unit 220 carries out coding according to pre-arranged code form to frequency of oscillation and obtains remote control code value, this remote control code value is the control command for control terminal 120, the remote control code value obtained after encoded comprises frequency values, i.e. the frequency of oscillation of oscillator 100.
The remote control code value of usual remote controller comprises guidance code, customer number and numeric data code, and the present invention increases frequency values at the remote control code value of remote controller 110, and particularly, described pre-arranged code form is:
| Guidance code | Customer number | Numeric data code | Frequency values |
Wherein, described guidance code represents the type of remote controller 110, such as, represent that this remote controller 110 is TV remote controller, DVD remote controller or air-conditioning remote control etc., described customer number represents the producer of the terminal equipment 120 that remote controller 110 controls, described numeric data code represents the key value of remote controller 110, and described frequency values is the frequency of oscillation of remote controller 110 internal oscillator 100.
After the remote control code value that coding unit 220 obtains containing frequency values, generated remote control code value is sent to terminal equipment 120 by the code value transmitting element 230 in controller 200, thus by remote control code value, terminal equipment 120 is controlled, the different remote control code values that terminal equipment 120 can be sent according to remote controller 110 perform corresponding actions, realize carrying out remote control to terminal equipment 120.Such as, terminal equipment 120 is television set, if control command corresponding to remote control code value that remote controller 110 sends is upwards switching channels, then terminal equipment 120 performs upwards switching channels action.
In conjunction with reference Fig. 4 and Fig. 6, wherein Fig. 6 is the structural representation of action executing module in Fig. 4.
As shown in Figure 6, described action executing module 500 comprises judging unit 510 and performance element 520.
Wherein, described predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval.
When judging unit 510 is in a certain predeterminated frequency interval for frequency values described in described preset duration, judge that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval;
Performance element 520 is for being in the first predeterminated frequency interval during at described frequency values, perform corresponding action interval with this first predeterminated frequency; When described frequency values is in the second predeterminated frequency interval, perform corresponding action interval with this second predeterminated frequency.
In the present embodiment, when described frequency values and predeterminated frequency interval being compared, this predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval.
At comparison module 400, described frequency values and predeterminated frequency interval are compared, the frequency values judging in described preset duration in remote control code value be in a certain predeterminated frequency interval time, it is interval that judging unit 510 judges which predeterminated frequency described frequency values is specifically in, particularly, by judging unit 510, the present embodiment judges that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval, namely judge that whether the frequency values decoded from remote control code value in described preset duration is always interval or always interval at the second predeterminated frequency at the first predeterminated frequency.First predeterminated frequency interval and the second predeterminated frequency interval can set according to actual conditions, such as the first predeterminated frequency interval is 1500 ~ 2000Hz, second predeterminated frequency interval is 1000 ~ 1500Hz, and, only to arrange, the first predeterminated frequency is interval and the second predeterminated frequency is interval is described for the present embodiment, can also arrange more multiple preset frequency separation as required, this is not restricted.
The frequency values that judging unit 510 is judged in described preset duration in remote control code value be in a certain predeterminated frequency interval time, if specifically judge, described frequency values is interval at the first predeterminated frequency, the interval corresponding action of this first predeterminated frequency of performance element 520 response, namely terminal equipment 120 performs corresponding action interval with this first predeterminated frequency.It is interval if specifically judge, described frequency values is not all in the first predeterminated frequency, or in described preset duration, there is described frequency values when not being in the first predeterminated frequency interval, and 120, terminal equipment does not respond.
Such as, terminal equipment 120 is television set, and action corresponding to described first predeterminated frequency is upwards switching channels, then in described preset duration frequency values be in the first predeterminated frequency interval time, terminal equipment 120 performs upwards switching channels action; The first predeterminated frequency is not all in interval at described frequency values, or there is described frequency values when not being in the moment in the first predeterminated frequency interval in described preset duration, terminal equipment 120 does not respond, namely do not perform upwards switching channels operation, do not perform other operation, keep current state yet.
The frequency values that judging unit 510 is judged in described preset duration in remote control code value be in a certain predeterminated frequency interval time, if specifically judge, described frequency values is interval at the second predeterminated frequency, the interval corresponding action of performance element 520 response second predeterminated frequency, namely terminal equipment 120 performs corresponding action interval with this second predeterminated frequency.It is interval if specifically judge, described frequency values is not all in the second predeterminated frequency, or in described preset duration, there is described frequency values when not being in the second predeterminated frequency interval, and 120, terminal equipment does not respond.
Such as, terminal equipment 120 is television set, and the interval corresponding action of described second predeterminated frequency is downward switching channels, then, when in described preset duration, frequency values is in the second predeterminated frequency interval, terminal equipment 120 performs downward switching channels action; When described frequency values is not all in the second predeterminated frequency interval, or there is described frequency values when not being in the moment in the second predeterminated frequency interval in described preset duration, terminal equipment 120 does not respond, namely do not perform the operation of downward switching channels, do not perform other operation, keep current state yet.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. based on an electromagnetic induction remote control thereof, it is characterized in that, describedly to comprise the following steps based on electromagnetic induction remote control thereof:
Remote controller human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal;
Generate remote control code value according to described oscillator signal and be sent to terminal equipment;
Terminal equipment receives the remote control code value that remote controller sends, and decodes the frequency values in described remote control code value; Wherein, described frequency values is the frequency of oscillation of described oscillator signal;
Described frequency values and predeterminated frequency interval are compared; Wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment;
When frequency values described in preset duration is in a certain predeterminated frequency interval, perform corresponding action interval with this predeterminated frequency.
2. as claimed in claim 1 based on electromagnetic induction remote control thereof, it is characterized in that, described remote controller human body near time form inductance capacitance with human body, and the step of generation oscillator signal is specially when the capacitance of this inductance capacitance reaches preset value:
Remote controller human body near time, form inductance capacitance by built-in antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator occurs vibrate and produce oscillator signal.
3. as claimed in claim 1 or 2 based on electromagnetic induction remote control thereof, it is characterized in that, the described step being sent to terminal equipment according to described oscillator signal generation remote control code value comprises:
Read the frequency of oscillation of described oscillator signal;
According to pre-arranged code form, described frequency of oscillation is encoded, generate the remote control code value containing frequency values;
Described remote control code value is sent to terminal equipment.
4. as claimed in claim 1 based on electromagnetic induction remote control thereof, it is characterized in that, described predeterminated frequency interval comprises the first predeterminated frequency interval and the second predeterminated frequency interval, described when frequency values described in preset duration is in a certain predeterminated frequency interval, the step performing corresponding action interval with this predeterminated frequency comprises:
When frequency values described in described preset duration is in a certain predeterminated frequency interval, judge that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval;
When described frequency values is in the first predeterminated frequency interval, perform corresponding action interval with this first predeterminated frequency;
When described frequency values is in the second predeterminated frequency interval, perform corresponding action interval with this second predeterminated frequency.
5. based on an electromagnetic induction remote control system, it is characterized in that, describedly comprise remote controller and terminal equipment based on electromagnetic induction remote control system;
Described remote controller comprises:
Oscillator, for human body near time and human body form inductance capacitance, and when the capacitance of this inductance capacitance reaches preset value produce oscillator signal;
Controller, is sent to terminal equipment for generating remote control code value according to described oscillator signal;
Described terminal equipment comprises:
Decoder module, for receiving the remote control code value that remote controller sends, decodes the frequency values in described remote control code value; Wherein, described frequency values is the frequency of oscillation of described oscillator signal;
Comparison module, for comparing described frequency values and predeterminated frequency interval; Wherein, each predeterminated frequency is interval corresponding with each action of terminal equipment;
Action executing module, when being in a certain predeterminated frequency interval for frequency values described in preset duration, performs corresponding action interval with this predeterminated frequency.
6. as claimed in claim 5 based on electromagnetic induction remote control system, it is characterized in that, described oscillator comprises antenna, described oscillator specifically for human body near time, inductance capacitance is formed by antenna and human body, wherein, described antenna and human body form the two poles of the earth of inductance capacitance, and described inductance capacitance and described antenna form electric capacity and the inductance of oscillator respectively; When the capacitance of described inductance capacitance reaches described preset value, described oscillator occurs vibrate and produce oscillator signal.
7. as described in claim 5 or 6 based on electromagnetic induction remote control system, it is characterized in that, described controller comprises:
Frequency reading unit, for reading the frequency of oscillation of described oscillator signal;
Coding unit, for encoding to described frequency of oscillation according to pre-arranged code form, generates the remote control code value containing frequency values;
Code value transmitting element, for being sent to terminal equipment by described remote control code value.
8. as described in claim 5 or 6 based on electromagnetic induction remote control system, it is characterized in that, described predeterminated frequency interval comprises interval and the second predeterminated frequency interval of the first predeterminated frequency, and described action executing module comprises:
Judging unit, when being in a certain predeterminated frequency interval for frequency values described in described preset duration, judges that described frequency values is in the first predeterminated frequency interval or is in the second predeterminated frequency interval;
Performance element, during for being in the first predeterminated frequency interval at described frequency values, performs corresponding action interval with this first predeterminated frequency; When described frequency values is in the second predeterminated frequency interval, perform corresponding action interval with this second predeterminated frequency.
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| CN201510393806.6A CN105208423B (en) | 2015-07-07 | 2015-07-07 | based on electromagnetic induction remote control method and system |
| PCT/CN2016/084355 WO2017005065A1 (en) | 2015-07-07 | 2016-06-01 | Remote control method and system based on electromagnetic induction |
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| CN201510393806.6A CN105208423B (en) | 2015-07-07 | 2015-07-07 | based on electromagnetic induction remote control method and system |
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| CN105208423B (en) | 2018-12-07 |
| WO2017005065A1 (en) | 2017-01-12 |
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