WO2017005065A1 - 基于电磁感应遥控方法及系统 - Google Patents

基于电磁感应遥控方法及系统 Download PDF

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Publication number
WO2017005065A1
WO2017005065A1 PCT/CN2016/084355 CN2016084355W WO2017005065A1 WO 2017005065 A1 WO2017005065 A1 WO 2017005065A1 CN 2016084355 W CN2016084355 W CN 2016084355W WO 2017005065 A1 WO2017005065 A1 WO 2017005065A1
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WO
WIPO (PCT)
Prior art keywords
value
preset
remote control
frequency
frequency interval
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PCT/CN2016/084355
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English (en)
French (fr)
Inventor
吴春林
曾庆忠
曹芝勇
Original Assignee
深圳Tcl数字技术有限公司
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Application filed by 深圳Tcl数字技术有限公司 filed Critical 深圳Tcl数字技术有限公司
Publication of WO2017005065A1 publication Critical patent/WO2017005065A1/zh

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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
    • 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
    • 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
    • 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]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42226—Reprogrammable remote control devices

Definitions

  • the present invention relates to the field of remote control technologies, and in particular, to a remote sensing method and system based on electromagnetic induction.
  • the remote control is the most basic standard accessory for TVs and the most commonly used accessory for users.
  • TV functions and the buttons of the remote control are more and more.
  • the buttons commonly used by most users are the channel switching buttons and the switch buttons.
  • the process of using the remote controller is often confusing, and the functions corresponding to the respective buttons are not known.
  • the user is in a low light environment, it is not easy to identify the specific position of each button.
  • some TVs add gesture recognition function, which can replace the basic functions of the remote control by gestures, but this function needs to add a camera on the TV to collect human gestures, and this method is also affected by ambient light, if it is in a dark environment. It is difficult for the TV to recognize human gestures.
  • the main object of the present invention is to provide an electromagnetic induction remote control method and system, which aims to realize a non-contact remote control, that is, to complete a remote control button function, improve the reliability of the remote controller and the terminal device, and improve the intelligence of the terminal device.
  • the present invention provides an electromagnetic induction remote control method, and the electromagnetic induction remote control method comprises the following steps:
  • the remote controller forms a sensing capacitor with the human body through the built-in antenna when the human body approaches, wherein the antenna and the human body constitute two poles of the sensing capacitor, and the sensing capacitor and the antenna respectively constitute a capacitor and an inductor of the oscillator;
  • the capacitance value of the sensing capacitor reaches the preset value, the oscillator oscillates and generates an oscillating signal;
  • the oscillating frequency is encoded according to a preset encoding format, and a remote control code value containing a frequency value is generated; and the remote control code value is sent to the terminal device;
  • each preset frequency interval corresponds to each action of the terminal device
  • the preset frequency interval includes a first preset frequency interval and a second preset frequency interval, and when the frequency value is within a preset frequency interval, the preset frequency is executed.
  • the steps of the action corresponding to the interval include:
  • the present invention further provides an electromagnetic induction remote control method, the electromagnetic induction remote control method comprising the following steps:
  • the remote controller forms a sensing capacitance with the human body when the human body approaches, and generates an oscillating signal when the capacitance value of the sensing capacitor reaches a preset value;
  • each preset frequency interval corresponds to each action of the terminal device
  • the remote controller forms a sensing capacitance with the human body when the human body approaches, and the step of generating an oscillating signal when the capacitance value of the sensing capacitor reaches a preset value is specifically:
  • the remote controller forms a sensing capacitor with the human body through the built-in antenna when the human body approaches, wherein the antenna and the human body constitute two poles of the sensing capacitor, and the sensing capacitor and the antenna respectively constitute a capacitor and an inductor of the oscillator;
  • the capacitance value of the sensing capacitor reaches the preset value, the oscillator oscillates and generates an oscillating signal.
  • the step of generating the remote control code value according to the oscillating signal and transmitting the method to the terminal device comprises:
  • the oscillation frequency is encoded according to a preset encoding format to generate a remote control code value including a frequency value;
  • the preset frequency interval includes a first preset frequency interval and a second preset frequency interval, and when the frequency value is within a preset frequency interval, the preset frequency is executed.
  • Step package for the action corresponding to the interval include:
  • the present invention further provides an electromagnetic induction remote control system, the electromagnetic induction remote control system comprising a remote controller and a terminal device;
  • the remote controller includes:
  • the oscillator is configured to form a sensing capacitor with the human body when the human body approaches, and generate an oscillating signal when the capacitance value of the sensing capacitor reaches a preset value;
  • a controller configured to generate a remote control code value according to the oscillating signal and send the signal to the terminal device
  • the terminal device includes:
  • a decoding module configured to receive a remote control code value sent by the remote controller, and decode a frequency value in the remote control code value; wherein the frequency value is an oscillation frequency of the oscillation signal;
  • a comparison module configured to compare the frequency value with a preset frequency interval; wherein each preset frequency interval corresponds to each action of the terminal device;
  • the action execution module is configured to perform an action corresponding to the preset frequency interval when the frequency value is within a preset frequency interval within a preset duration.
  • the oscillator includes an antenna, and the oscillator is specifically configured to form a sensing capacitor with the human body through the antenna when the human body approaches, wherein the antenna and the human body form two poles of the sensing capacitor, and the sensing capacitor and the The antennas respectively constitute a capacitance and an inductance of the oscillator; when the capacitance value of the sensing capacitor reaches the preset value, the oscillator oscillates and generates an oscillating signal.
  • the controller comprises:
  • a frequency reading unit configured to read an oscillation frequency of the oscillating signal
  • a coding unit configured to encode the oscillation frequency according to a preset coding format, to generate a remote control code value including a frequency value
  • a code value sending unit configured to send the remote control code value to the terminal device.
  • the preset frequency interval includes a first preset frequency interval and a second preset frequency interval
  • the action execution module includes:
  • a determining unit configured to determine, when the frequency value is in a preset frequency interval, the frequency value is in a first preset frequency interval or a second preset frequency interval;
  • An execution unit configured to perform an action corresponding to the first preset frequency interval when the frequency value is in the first preset frequency interval; and execute the first time when the frequency value is in the second preset frequency interval The action corresponding to the two preset frequency intervals.
  • the remote controller forms an induction capacitance with the human body when the human body approaches, and generates an oscillation signal when the capacitance value of the induction capacitance reaches a preset value, and generates a remote control code according to the oscillation signal.
  • the value is sent to the terminal device. Therefore, when the user uses the remote control to remotely control the terminal device, only the human body action is performed on the remote controller, and the corresponding button is not required to be touched by the remote controller, that is, the terminal device can be controlled to perform corresponding actions without operating the remote controller by pressing the button.
  • the function of the remote control button is completed by the non-contact remote controller.
  • the reliability of the remote controller can be improved without being affected by the external environment light.
  • the terminal device since the terminal device recognizes the action to be processed by acquiring the frequency value in the remote control code value sent by the remote controller, and the remote control code value of the remote controller is not affected by the ambient light, the terminal device responds to the remote control code value of the remote controller. Accurately perform the corresponding actions without interference and avoid misoperation, thereby improving the reliability of the terminal device and improving the intelligence of the terminal device.
  • FIG. 1 is a schematic flow chart of a preferred embodiment of an electromagnetic induction remote control method according to the present invention
  • FIG. 2 is a schematic flow chart of step S102 in FIG. 1;
  • step S105 in FIG. 1 is a schematic flow chart of step S105 in FIG. 1;
  • FIG. 4 is a schematic structural view of a preferred embodiment of an electromagnetic induction remote control system according to the present invention.
  • Figure 5 is a schematic structural view of the controller of Figure 4.
  • FIG. 6 is a schematic structural diagram of an action execution module in FIG. 4.
  • the invention provides a method for applying to a remote control terminal device (such as a television) of a remote controller based on an electromagnetic induction remote control method.
  • FIG. 1 is a schematic flow chart of a preferred embodiment of an electromagnetic induction remote control method according to the present invention.
  • the electromagnetic induction remote control method of the present invention comprises the following steps:
  • Step S101 The remote controller forms a sensing capacitance with the human body when the human body approaches, and generates an oscillating signal when the capacitance value of the sensing capacitor reaches a preset value.
  • the remote controller When the human body approaches, the remote controller generates electromagnetic induction with the human body, and forms a sensing capacitance with the human body, and the capacitance value of the sensing capacitor reaches a preset value (the preset value may be based on a reference value determined after multiple tests, When there is no limitation here, an oscillation signal of different oscillation frequencies is generated according to the oscillation of the formed sensing capacitor.
  • Step S102 Generate a remote control code value according to the oscillating signal and send it to the terminal device.
  • the remote controller After generating the oscillating signal, the remote controller generates the remote control code value by using the oscillating signal, and the remote control code value is a control command for controlling the terminal device, for example, a channel switching instruction, a volume adjustment instruction, and the like.
  • the remote controller sends the generated remote control code value to the terminal device, so that the terminal device is controlled by the remote control code value, so that the terminal device can perform different actions according to different remote control code values sent by the remote controller, thereby realizing remote control of the terminal device. . For example, if the terminal device is a television set, if the control command corresponding to the remote control code value sent by the remote controller is to switch the channel upward, the terminal device performs an upward switching channel action.
  • Step S103 The terminal device receives the remote control code value sent by the remote controller, and decodes the frequency value in the remote control code value.
  • the terminal device receives the remote control code value sent by the remote controller, and after receiving the remote control code value sent by the remote controller, decodes the remote control code value for decoding the remote control code value, and decodes the remote control code value into the data before the encoding, thereby obtaining a frequency value in the remote control code value, wherein the frequency value is an oscillation frequency of the oscillation signal, that is, the frequency is an oscillation frequency of an oscillation signal generated by the remote controller and the human body forming an induced capacitance.
  • Step S104 Compare the frequency value with a preset frequency interval.
  • the frequency value is compared with the preset frequency interval to determine whether the frequency value is in a certain preset frequency interval.
  • the preset frequency interval may be one or more preset frequency intervals, wherein each preset frequency interval corresponds to each action of the terminal device. After the action that the terminal device corresponding to each preset frequency interval needs to be processed, after determining the preset frequency interval where the frequency value is located, the action that the terminal device needs to process may be determined, and the terminal device performs corresponding to the preset frequency interval. Actions.
  • Step S105 When the frequency value is within a preset frequency interval within the preset duration, an action corresponding to the preset frequency interval is performed.
  • the terminal device determines that the remote control code value sent by the remote controller is a control command, and the terminal device performs the action according to the preset action of the preset frequency interval, for example, the terminal device is a television, and the remote control code
  • the action corresponding to the preset frequency interval in which the frequency value in the value corresponds is to switch the channel upward, and the television performs an upward switching channel action.
  • the terminal device determines that the remote control code value sent by the remote controller is not a control command, and the terminal device Not responding.
  • the invention is based on an electromagnetic induction remote control method.
  • the remote controller forms an induced capacitance with the human body to generate an oscillating signal, and generates a remote control code value according to the oscillating signal to be transmitted to the terminal device. Therefore, when the user uses the remote control to remotely control the terminal device, only the human body action is performed on the remote controller, and the corresponding button is not required to be touched by the remote controller, that is, the terminal device can be controlled to perform corresponding actions without operating the remote controller by pressing the button.
  • the function of the remote control button is completed by the non-contact remote controller. Since the remote controller is not operated by the button method, and the remote controller is not replaced by the gesture, the reliability of the remote controller can be improved without being affected by the external environment light.
  • the terminal device identifies the action to be processed by acquiring the frequency value in the remote control code value sent by the remote controller, and the remote control code value of the remote controller is not affected by the ambient light, so that the terminal device accurately executes the remote control code value in response to the remote controller.
  • the corresponding actions are free from interference and avoid misoperation, thereby improving the reliability of the terminal device and improving the intelligence of the terminal device.
  • the invention provides an oscillator inside the remote controller, and the oscillator includes an antenna.
  • the remote controller forms a sensing capacitor with the human body through the built-in antenna, wherein the antenna and the human body constitute two poles of the sensing capacitor.
  • the sensing capacitor and the antenna respectively constitute a capacitance and an inductance of the oscillator; when the capacitance value of the sensing capacitor reaches the preset value, the oscillator oscillates and generates an oscillating signal.
  • the human body can be considered as a plate of the capacitor in physics, and the antenna inside the remote controller can be used as the other plate of the capacitor in this embodiment, when the human body is close to the antenna inside the remote controller, the antenna and the human body A sensing capacitor is formed between the inductor and the inductor as the oscillator, and the oscillator in the remote controller constitutes the LC oscillator.
  • the remote controller can obtain the capacitance value C of the sensing capacitor.
  • C k*(a/d)
  • the capacitance value of the induced capacitance formed between the antenna and the human body changes, and the capacitance value C is proportional to a, which is inversely proportional to d.
  • k is a constant (eg 0.95)
  • a is the area of the antenna
  • d is the distance between the antenna and the human body.
  • the oscillation frequency of the oscillation signal generated by the LC oscillator is related to the inductance value L of the antenna and the capacitance value C of the induction capacitance formed between the antenna and the human body, that is, the oscillation frequency of the LC oscillator and the antenna and the human body.
  • Distance related Therefore, when the distance between the antenna and the human body changes, the capacitance value of the induced capacitance formed between the antenna and the human body changes, and the oscillation frequency of the oscillation signal generated by the LC oscillator also changes.
  • FIG. 2 is a schematic flowchart of step S102 in FIG.
  • step S102 of the present invention based on the electromagnetic induction remote control method shown in FIG. 1 includes:
  • Step S111 Read the oscillation frequency of the oscillation signal.
  • the oscillating frequency of the oscillating signal is read, because the oscillating frequency of the oscillating signal generated by the oscillator is in the process of the human body approaching the remote controller, that is, the user performs the human body motion on the remote controller. A change occurs so that multiple frequency values can be read.
  • Step S112 Encoding the oscillation frequency according to a preset encoding format to generate a remote control code value including a frequency value.
  • the remote controller After reading the oscillating signal, the remote controller encodes the oscillating frequency according to the preset encoding format to obtain a remote control code value, which is a control command for controlling the terminal device, and the obtained remote control code value includes the frequency value. , that is, the oscillation frequency of the oscillator.
  • the remote control code value of the remote controller includes a boot code, a client code, and a data code.
  • the remote control code value of the remote controller increases the frequency value.
  • the preset encoding format is:
  • the guiding code indicates a type of a remote controller, for example, indicating that the remote controller is a television remote controller, a DVD remote controller or an air conditioner remote controller, etc., and the customer code indicates a manufacturer of the terminal device controlled by the remote controller, and the data
  • the code represents the value of the remote control button, and the frequency value is the oscillation frequency of the internal oscillator of the remote controller.
  • Step S113 Send the remote control code value to the terminal device.
  • the remote controller After obtaining the remote control code value containing the frequency value, the remote controller sends the generated remote control code value to the terminal device, thereby controlling the terminal device by the remote control code value, so that the terminal device can according to different remote control code values sent by the remote controller. Perform corresponding actions to remotely control the terminal device. For example, if the terminal device is a television set, if the control command corresponding to the remote control code value sent by the remote controller is to switch the channel upward, the terminal device performs an upward switching channel action.
  • FIG. 3 is a schematic flowchart of step S105 in FIG.
  • step S105 in FIG. 1 includes:
  • Step S211 When the frequency value in the preset duration is in a certain preset frequency interval, determine whether the frequency value is in the first preset frequency interval or in the second preset frequency interval.
  • the preset frequency interval when the frequency value is compared with a preset frequency interval, includes a first preset frequency interval and a second preset frequency interval.
  • the frequency value in the remote control code value of the preset duration is in a certain preset frequency interval, it is further determined in which preset frequency interval the frequency value is specifically. Specifically, the frequency value is determined in this embodiment. Whether it is in the first preset frequency interval or in the second preset frequency interval, that is, whether the frequency value decoded from the remote control code value within the preset duration is always in the first preset frequency interval or has been in the second Preset frequency interval.
  • the first preset frequency interval and the second preset frequency interval may be set according to actual conditions, for example, the first preset frequency interval is 1500-2000 Hz, and the second preset frequency interval is 1000-1500 Hz, and the embodiment only uses Setting a first preset frequency interval and a second preset frequency interval as For example, it is also possible to set more preset frequency intervals as needed, and no limitation is imposed here.
  • Step S212 When the frequency value is in the first preset frequency interval, perform an action corresponding to the first preset frequency interval.
  • the terminal device executes the first pre- Set the action corresponding to the frequency interval. If it is determined that the frequency value is not in the first preset frequency interval, or the time when the frequency value is not in the first preset frequency interval, the terminal device does not respond.
  • the terminal device is a television, and the action corresponding to the first preset frequency interval is to switch the channel upwards, and when the frequency value in the preset duration is in the first preset frequency interval, the terminal device performs an upward switching channel action.
  • the terminal device does not respond, that is, does not perform upward. Switch channel operations, do not perform other operations, and maintain the current state.
  • Step S213 When the frequency value is in the second preset frequency interval, perform an action corresponding to the second preset frequency interval.
  • the terminal device executes the second pre- Set the action corresponding to the frequency interval. If it is determined that the frequency value is not in the second preset frequency interval, or the time when the frequency value is not in the second preset frequency interval, the terminal device does not respond.
  • the terminal device is a television, and the action corresponding to the second preset frequency interval is to switch the channel downward, and the terminal device performs the downward switching when the frequency value is in the second preset frequency interval within the preset duration.
  • a channel action when the frequency value is not in the second preset frequency interval, or the time when the frequency value is not in the second preset frequency interval, the terminal device does not respond, that is, does not Perform a downward switching of the channel operation, and do not perform other operations to maintain the current state.
  • the invention also provides an electromagnetic induction remote control system.
  • FIG. 4 is a schematic structural view of a preferred embodiment of an electromagnetic induction remote control system according to the present invention.
  • the electromagnetic induction remote control system includes a remote controller 110 and a terminal device 120.
  • the remote controller 110 includes an oscillator 100 and a controller 200.
  • the oscillator 100 is configured to form a sensing capacitance with the human body when the human body approaches, and generate an oscillating signal when the capacitance value of the sensing capacitor reaches a preset value.
  • the controller 200 is configured to generate a remote control code value according to the oscillating signal and send it to the terminal device 120.
  • the oscillator 100 in the remote controller 110 When the human body approaches, the oscillator 100 in the remote controller 110 generates electromagnetic induction with the human body, and forms an induced capacitance with the human body, and the capacitance value of the sensing capacitor reaches a preset value (the preset value may be based on multiple tests)
  • a preset value the preset value may be based on multiple tests
  • an oscillation signal of different oscillation frequencies is generated according to the oscillation of the formed sensing capacitor.
  • the controller 200 in the remote controller 110 After generating the oscillating signal, the controller 200 in the remote controller 110 generates a remote control code value by using the oscillating signal, and the remote control code value is a control command for controlling the terminal device 120, for example, a channel switching instruction, a volume adjustment instruction, and the like. .
  • the controller 200 in the remote controller 110 transmits the generated remote control code value to the terminal device 120, thereby controlling the terminal device 120 by the remote control code value, so that the terminal device 120 can perform the remote control code value according to the remote controller 110.
  • Different actions enable remote control of the terminal device 120.
  • the terminal device 120 is a television. If the control command corresponding to the remote control code value sent by the remote controller 110 is to switch the channel upward, the terminal device 120 performs an upward switching channel action.
  • the terminal device 120 includes a decoding module 300, a comparison module 400, and an action execution module 500.
  • the decoding module 300 is configured to receive a remote control code value sent by the remote controller 110, and decode a frequency value in the remote control code value; wherein the frequency value is an oscillation frequency of the oscillation signal.
  • the comparison module 400 is configured to compare the frequency value with a preset frequency interval; wherein each preset frequency interval corresponds to each action of the terminal device 120.
  • the action execution module 500 is configured to perform an action corresponding to the preset frequency interval when the frequency value is within a preset frequency interval within a preset duration.
  • the terminal device 120 receives the remote control code value sent by the remote controller 110, and after receiving the remote control code value sent by the remote controller 110, in order to identify the remote control code value, the remote control code value is decoded by the decoding module 300, and the remote control code value is decoded into Pre-encoding data, thereby obtaining a frequency value in the remote control code value, wherein the frequency value is an oscillation frequency of the oscillation signal, that is, the frequency value is an oscillation of an oscillation signal generated by the remote controller 110 forming a sensing capacitance with the human body frequency.
  • the comparison module 400 compares the frequency value with the preset frequency interval to determine whether the frequency value is in a certain preset frequency interval.
  • the preset frequency interval may be one or more preset frequency intervals, wherein each preset frequency interval corresponds to each action of the terminal device 120. After the action that the terminal device 120 corresponding to each preset frequency interval needs to be processed, after determining the preset frequency interval where the frequency value is located, the action that the terminal device 120 needs to process may be determined, and the terminal device 120 executes the preset. The action corresponding to the frequency interval.
  • the comparison module 400 compares the frequency value with the preset frequency interval, if the frequency value is always within a predetermined frequency interval within a preset duration (eg, 1 s), that is, the frequency value is at a predetermined frequency. If the duration of the interval reaches the preset duration, the action execution module 500 in the terminal device 120 determines that the remote control code value sent by the remote controller 110 is a control command, and the terminal device 120 performs the action according to the preset frequency interval.
  • This action such as terminal design
  • the device 120 is a television, and the action corresponding to the preset frequency interval in which the frequency value in the remote control code value corresponds is to switch the channel upward, and the television performs the upward switching channel action.
  • the terminal device 120 determines that the remote control code value sent by the remote controller 110 is not a control command. The terminal device 120 does not respond.
  • the invention is based on an electromagnetic induction remote control system.
  • the remote controller 110 When the human body approaches, the remote controller 110 generates an oscillating signal with the human body to generate an oscillating signal, and generates a remote control code value according to the oscillating signal and transmits it to the terminal device 120. Therefore, when the user remotely controls the terminal device 120 by using the remote controller 110, only the human body action is performed on the remote controller 110, and the corresponding button is not required to be touched by the remote controller 110, that is, the terminal device can be controlled without operating the remote controller 110 by pressing the button. 120 performs the corresponding action, and realizes the function of pressing the remote controller 110 through the non-contact remote controller 110.
  • the remote controller 110 Since the remote controller 110 is not operated by the button mode, and the remote controller 110 is not replaced by the gesture, it is not affected by the ambient light. The reliability of the remote controller 110 can be improved. Moreover, the terminal device 120 identifies the action to be processed by acquiring the frequency value in the remote control code value sent by the remote controller 110, and the remote control code value of the remote controller 110 is not affected by the ambient light, so that the terminal device 120 responds to the remote controller 110. The remote control code value accurately performs the corresponding action without interference, avoiding erroneous operations, thereby improving the reliability of the terminal device 120 and improving the intelligence of the terminal device 120.
  • the oscillator 100 includes an antenna, and the oscillator 100 is specifically configured to form a sensing capacitor with the human body through the antenna when the human body approaches, wherein the antenna and the human body form two poles of the sensing capacitor, and the sensing capacitor is
  • the antennas respectively constitute a capacitance and an inductance of the oscillator 100; when the capacitance value of the sensing capacitor reaches the preset value, the oscillator 100 oscillates and generates an oscillating signal.
  • the human body can be regarded as one plate of the capacitor in physics, and the antenna inside the remote controller 110 in this embodiment can serve as the other plate of the capacitor, when the human body approaches the antenna inside the remote controller 110, the antenna and the antenna A sensing capacitor is formed between the human body, the sensing capacitor is used as the capacitance of the oscillator 100, and the antenna is used as the inductance of the oscillator 100.
  • the oscillator 100 in the remote controller 110 constitutes an LC oscillator.
  • the remote controller 110 can obtain the capacitance value C of the sensing capacitor.
  • C k*(a/d)
  • the capacitance value of the induced capacitance formed between the antenna and the human body changes, and the capacitance value C is proportional to a, which is inversely proportional to d.
  • k is a constant (eg 0.95)
  • a is the area of the antenna
  • d is the distance between the antenna and the human body.
  • the oscillation frequency of the oscillation signal generated by the LC oscillator is related to the inductance value L of the antenna and the capacitance value C of the induction capacitance formed between the antenna and the human body, that is, the oscillation frequency of the LC oscillator and the antenna and the human body.
  • Distance related Therefore, when the distance between the antenna and the human body changes, the capacitance value of the induced capacitance formed between the antenna and the human body changes, and the oscillation frequency of the oscillation signal generated by the LC oscillator also changes.
  • FIG. 5 is a schematic structural view of the controller of FIG.
  • the controller 200 includes a frequency reading unit 210, an encoding unit 220, and a code value transmitting unit 230.
  • the frequency reading unit 210 is configured to read an oscillation frequency of the oscillation signal.
  • the encoding unit 220 is configured to encode the oscillation frequency according to a preset encoding format to generate a remote control code value including a frequency value.
  • the code value transmitting unit 230 is configured to send the remote control code value to the terminal device 120.
  • the frequency reading unit 210 in the controller 200 reads the oscillating frequency of the oscillating signal, since the human body approaches the remote controller 110, that is, the user does the remote controller 110. During the human body motion, the oscillation frequency of the oscillation signal generated by the oscillator 100 changes, so that the frequency reading unit 210 can read a plurality of frequency values.
  • the encoding unit 220 encodes the oscillating frequency according to the preset encoding format to obtain a remote control code value, which is a control command for controlling the terminal device 120, and is obtained after being encoded.
  • the remote control code value includes the frequency value, that is, the oscillation frequency of the oscillator 100.
  • the remote control code value of the remote controller includes a boot code, a client code, and a data code.
  • the remote control code value of the remote controller 110 increases the frequency value.
  • the preset encoding format is:
  • the guiding code indicates the type of the remote controller 110, for example, the remote controller 110 is a television remote controller, a DVD remote controller or an air conditioner remote controller, etc., and the customer code indicates a manufacturer of the terminal device 120 controlled by the remote controller 110.
  • the data code represents a key value of the remote controller 110, and the frequency value is an oscillation frequency of the internal oscillator 100 of the remote controller 110.
  • the code value transmitting unit 230 in the controller 200 transmits the generated remote control code value to the terminal device 120, thereby controlling the terminal device 120 by the remote control code value, so that The terminal device 120 can perform corresponding actions according to different remote control code values sent by the remote controller 110 to implement remote control of the terminal device 120.
  • the terminal device 120 is a television. If the control command corresponding to the remote control code value sent by the remote controller 110 is to switch the channel upward, the terminal device 120 performs an upward switching channel action.
  • FIG. 6 is a schematic structural diagram of the action execution module in FIG.
  • the action execution module 500 includes a determination unit 510 and an execution unit 520.
  • the preset frequency interval includes a first preset frequency interval and a second preset frequency interval.
  • the determining unit 510 is configured to determine, when the frequency value is within a preset frequency interval within the preset duration Whether the frequency value is in the first preset frequency interval or in the second preset frequency interval;
  • the executing unit 520 is configured to: when the frequency value is in the first preset frequency interval, perform an action corresponding to the first preset frequency interval; when the frequency value is in the second preset frequency interval, perform the The action corresponding to the two preset frequency intervals.
  • the preset frequency interval when the frequency value is compared with a preset frequency interval, includes a first preset frequency interval and a second preset frequency interval.
  • the determining unit 510 determines that the frequency value is specific. In the preset frequency interval, in particular, the determining unit 510 determines whether the frequency value is in the first preset frequency interval or in the second preset frequency interval, that is, determining that the remote control is within the preset time period. Whether the decoded frequency value in the code value is always in the first preset frequency interval or in the second preset frequency interval.
  • the first preset frequency interval and the second preset frequency interval may be set according to actual conditions, for example, the first preset frequency interval is 1500-2000 Hz, and the second preset frequency interval is 1000-1500 Hz, and the embodiment only uses
  • the first preset frequency interval and the second preset frequency interval are set as an example for description, and more preset frequency intervals may be set as needed, and are not limited herein.
  • the determining unit 510 determines that the frequency value in the remote control code value of the preset duration is in a certain preset frequency interval, if it is specifically determined that the frequency value is in the first preset frequency interval, the executing unit 520 responds to the The action corresponding to the first preset frequency interval, that is, the terminal device 120 performs an action corresponding to the first preset frequency interval. If it is determined that the frequency value is not in the first preset frequency interval, or the time when the frequency value is not in the first preset frequency interval, the terminal device 120 does not respond.
  • the terminal device 120 is a television, and the action corresponding to the first preset frequency interval is to switch the channel upwards, and when the frequency value in the preset duration is in the first preset frequency interval, the terminal device 120 performs an upward switching.
  • the channel device does not respond when the frequency value is not in the first preset frequency interval, or when the frequency value is not in the first preset frequency interval.
  • the channel switching operation is not performed, and other operations are not performed, and the current state is maintained.
  • the determining unit 510 determines that the frequency value in the remote control code value of the preset duration is in a certain preset frequency interval, if it is specifically determined that the frequency value is in the second preset frequency interval, the executing unit 520 responds to the first The action corresponding to the two preset frequency intervals, that is, the terminal device 120 performs an action corresponding to the second preset frequency interval. If it is determined that the frequency value is not in the second preset frequency interval, or the time when the frequency value is not in the second preset frequency interval, the terminal device 120 does not respond.
  • the terminal device 120 is a television, and the action corresponding to the second preset frequency interval is to switch the channel downward.
  • the terminal device 120 performs the Switching channel action; when the frequency values are not in the second preset frequency interval, or the frequency value is not present in the preset duration
  • the terminal device 120 does not respond, that is, does not perform the downward switching channel operation, does not perform other operations, and maintains the current state.

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Abstract

本发明公开了一种基于电磁感应遥控方法，包括：遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号；根据振荡信号生成遥控码值发送至终端设备；终端设备接收遥控器发送的遥控码值，解码出遥控码值中的频率值，该频率值为所述振荡信号的振荡频率；将频率值与预设频率区间进行比较，其中，每一预设频率区间与终端设备的每一动作对应；当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。本发明还公开了一种基于电磁感应遥控系统，用于执行上述基于电磁感应遥控方法。本发明能够实现非接触遥控器即完成遥控器按键功能，提高遥控器和终端设备的可靠性，提高终端设备的智能化。

Description

基于电磁感应遥控方法及系统 技术领域
本发明涉及遥控技术领域，尤其涉及一种基于电磁感应遥控方法及系统。
背景技术
遥控器是电视机最基本标准配件，也是用户最常用的配件。如今电视机功能越来越多，遥控器的按键也越来越多，其实对于多数用户常用的按键也就是频道切换按键以及开关机按键。但是对于部分用户，尤其是老人、儿童在使用遥控器过程经常容易混乱，不知道各个按键对应的功能。另外当用户在光线不足环境下，也不容易识别各个按键具体位置。当然有些电视机添加手势识别功能，通过手势可以替换遥控器的基本功能，但是此功能需要在电视上添加摄像头，采集人体手势，而且此方法也受外界环境光的影响，如果在较暗环境下，电视机很难识别出人体手势。
发明内容
本发明的主要目的在于提供一种基于电磁感应遥控方法及系统，旨在实现非接触遥控器即完成遥控器按键功能，提高遥控器和终端设备的可靠性，提高终端设备的智能化。
为了达到上述目的，本发明提供一种基于电磁感应遥控方法，所述基于电磁感应遥控方法包括以下步骤：
遥控器在人体靠近时，通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号；
读取所述振荡信号的振荡频率；
按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；并将所述遥控码值发送至终端设备；
终端设备接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率；
将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
优选地，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作的步骤包括：
当所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
当所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；
当所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
为了达到上述目的，本发明进一步还提供一种基于电磁感应遥控方法，所述基于电磁感应遥控方法包括以下步骤：
遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号；
根据所述振荡信号生成遥控码值发送至终端设备；
终端设备接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率；
将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
优选地，所述遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号的步骤具体为：
遥控器在人体靠近时，通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
优选地，所述根据所述振荡信号生成遥控码值发送至终端设备的步骤包括：
读取所述振荡信号的振荡频率；
按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
将所述遥控码值发送至终端设备。
优选地，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作的步骤包 括：
当所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
当所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；
当所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
为了达到上述目的，本发明进一步还提供一种基于电磁感应遥控系统，所述基于电磁感应遥控系统包括遥控器和终端设备；
所述遥控器包括：
振荡器，用于在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号；
控制器，用于根据所述振荡信号生成遥控码值发送至终端设备；
所述终端设备包括：
解码模块，用于接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率；
比较模块，用于将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
动作执行模块，用于在预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
优选地，所述振荡器包括天线，所述振荡器具体用于在人体靠近时，通过天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；在所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
优选地，所述控制器包括：
频率读取单元，用于读取所述振荡信号的振荡频率；
编码单元，用于按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
码值发送单元，用于将所述遥控码值发送至终端设备。
优选地，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述动作执行模块包括：
判断单元，用于在所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
执行单元，用于在所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；在所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
本发明提供的基于电磁感应遥控方法，由于遥控器在人体靠近时，与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号，并根据所述振荡信号生成遥控码值发送至终端设备。因此，当用户使用遥控器遥控终端设备时，只需在遥控器上做人体动作，无需接触遥控器按下相应按键，即无需通过按键方式来操作遥控器即可控制终端设备执行相应动作，实现了通过非接触遥控器即完成遥控器按键功能，由于不是通过按键方式来操作遥控器，也不是在通过手势代替遥控器，因此不受外界环境光线影响，可提高遥控器的可靠性。而且，由于终端设备是通过获取遥控器发送的遥控码值中的频率值来识别所要处理的动作，并且遥控器的遥控码值不受外界环境光线影响，从而终端设备响应遥控器的遥控码值准确执行相应动作而不受干扰，避免误操作，从而能够提高终端设备的可靠性，提高终端设备的智能化。
附图说明
图1为本发明基于电磁感应遥控方法较佳实施例的流程示意图；
图2为图1中步骤S102的流程示意图；
图3为图1中步骤S105的流程示意图；
图4为本发明基于电磁感应遥控系统较佳实施例的结构示意图；
图5为图4中控制器的结构示意图；
图6为图4中动作执行模块的结构示意图。
本发明的目的、功能特点及优点的实现，将结合实施例，并参照附图作进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供一种基于电磁感应遥控方法，应用于遥控器遥控终端设备(如电视机)的方法。
参照图1，图1为本发明基于电磁感应遥控方法较佳实施例的流程示意图。
本发明基于电磁感应遥控方法较佳实施例中，本发明基于电磁感应遥控方法包括以下步骤：
步骤S101：遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号。
在人体靠近时，遥控器与人体发生电磁感应，与人体之间形成感应电容，并且，在该感应电容的电容值达到预设值(该预设值可以根据多次试验后确定的参考值，此处不作限制)时，根据所形成的感应电容发生振荡，产生不同振荡频率的振荡信号。
步骤S102：根据所述振荡信号生成遥控码值发送至终端设备。
在产生振荡信号后，遥控器利用所述振荡信号生成遥控码值，该遥控码值即为用于控制终端设备的控制指令，例如，频道切换指令、音量调节指令等。遥控器将所生成的遥控码值发送至终端设备，从而通过遥控码值对终端设备进行控制，使得终端设备可根据遥控器所发送的不同遥控码值执不同的动作，实现对终端设备进行遥控。例如，终端设备为电视机，若遥控器发送的遥控码值对应的控制指令是向上切换频道，则终端设备执行向上切换频道动作。
步骤S103：终端设备接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值。
终端设备接收遥控器发送的遥控码值，且在接收到遥控器发送的遥控码值后，为识别遥控码值，对遥控码值进行解码，将遥控码值解码为编码前的数据，从而获得遥控码值中的频率值，其中，所述频率值为所述振荡信号的振荡频率，即该频率值为遥控器与人体形成感应电容而产生的振荡信号的振荡频。
步骤S104：将所述频率值与预设频率区间进行比较。
本实施例在解码出遥控码值中的频率值后，将所述频率值与预设频率区间进行比较，以判断频率值是否处于某一预设频率区间。预设频率区间可以是一个或多个预设频率区间，其中，每一预设频率区间与终端设备的每一动作对应。通过设定每一预设频率区间对应的终端设备需要处理的动作，从而在确定频率值所在的预设频率区间后，可确定终端设备需要处理的动作，终端设备执行与该预设频率区间对应的动作。
步骤S105：当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
在将频率值与预设频率区间进行比较时，若在预设时长(如1s)内所述频率值一直处于某一预设频率区间，即所述频率值处于某一预设频率区间的持续时间达到预设时长，则终端设备判断此时遥控器发送的遥控码值是控制指令，终端设备根据该预设频率区间预先设定的动作，执行该动作，例如终端设备为电视机，遥控码值中的频率值所在的预设频率区间对应的动作是向上切换频道，则电视机执行向上切换频道动作。相反，若所述频率值均不在预设频率区间内，或者预设时长内存在频率值不在预设频率区间的时刻，则终端设备判断此时遥控器发送的遥控码值不是控制指令，终端设备不作响应。
本发明基于电磁感应遥控方法，遥控器在人体靠近时，与人体形成感应电容而产生振荡信号，并根据所述振荡信号生成遥控码值发送至终端设备。因此，当用户使用遥控器遥控终端设备时，只需在遥控器上做人体动作，无需接触遥控器按下相应按键，即无需通过按键方式来操作遥控器即可控制终端设备执行相应动作，实现了通过非接触遥控器即完成遥控器按键功能，由于不是通过按键方式来操作遥控器，也不是在通过手势代替遥控器，因此不受外界环境光线影响，可提高遥控器的可靠性。而且，终端设备通过获取遥控器发送的遥控码值中的频率值来识别所要处理的动作，并且遥控器的遥控码值不受外界环境光线影响，从而终端设备响应遥控器的遥控码值准确执行相应动作而不受干扰，避免误操作，从而能够提高终端设备的可靠性，提高终端设备的智能化。
本发明在遥控器内部设置振荡器，该振荡器包括天线，具体地，在人体靠近时，遥控器通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
由于人体在物理学中可以认为是电容的一个极板，而且，本实施例中遥控器内部的天线可以作为电容的另一个极板，因此当人体靠近遥控器内部的天线时，天线与人体之间形成一感应电容，该感应电容作为振荡器的电容，天线作为振荡器的电感，此时遥控器内的振荡器构成LC振荡器。
在天线与人体形成感应电容时，遥控器可获取该感应电容的电容值C。根据公式C＝k*(a/d)可知，当天线与人体距离变化时，天线与人体之间形成的感应电容的电容值发生变化，而且电容值C与a成正比，与d成反比，其中，k为一常数(如0.95)，a为天线的面积，d为天线与人体的距离。
根据公式
Figure PCTCN2016084355-appb-000001
可知，LC振荡器所产生的振荡信号的振荡频率与天线的电感值L，以及天线与人体之间形成的感应电容的电容值C有关，即LC振荡器的振荡频率与天线和人体之间的距离有关。从而，当天线与人体距离变化时，天线与人体之间形成的感应电容的电容值发生变化，LC振荡器产生的振荡信号的振荡频率也发生变化。
结合参照图1和图2，其中图2为图1中步骤S102的流程示意图。
基于上述实施例，如图2所示，图1所示本发明基于电磁感应遥控方法中步骤S102包括：
步骤S111：读取所述振荡信号的振荡频率。
在遥控器内的振荡器产生振荡信号后，读取所述振荡信号的振荡频率，由于在人体靠近遥控器，即用户在遥控器上做人体动作过程中，振荡器产生的振荡信号的振荡频率发生变化，从而能够读取到多个频率值。
步骤S112：按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值。
在读取振荡信号后，遥控器按照预设编码格式对振荡频率进行编码获得遥控码值，该遥控码值即为用于控制终端设备的控制指令，经编码后得到的遥控码值包括频率值，即振荡器的振荡频率。
通常遥控器的遥控码值包括引导码、客户码和数据码，本发明在遥控器的遥控码值增加频率值，具体地，所述预设编码格式为：
引导码 客户码 数据码 频率值
其中，所述引导码表示遥控器的类型，例如，表示该遥控器为电视遥控器、DVD遥控器或空调遥控器等，所述客户码表示遥控器所控制的终端设备的厂家，所述数据码表示遥控器按键值，所述频率值为遥控器内部振荡器的振荡频率。
步骤S113：将所述遥控码值发送至终端设备。
在获得含有频率值的遥控码值后，遥控器将所生成的遥控码值发送至终端设备，从而通过遥控码值对终端设备进行控制，使得终端设备可根据遥控器所发送的不同遥控码值执行相应动作，实现对终端设备进行遥控。例如，终端设备为电视机，若遥控器发送的遥控码值对应的控制指令是向上切换频道，则终端设备执行向上切换频道动作。
结合参照图1和图3，其中图3为图1中步骤S105的流程示意图。
具体地，如图3所示，图1中步骤S105包括：
步骤S211：当所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间。
本实施例中，将所述频率值与预设频率区间进行比较时，该预设频率区间包括第一预设频率区间和第二预设频率区间。
在判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，再判断所述频率值具体处于哪个预设频率区间，具体地，本实施例判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间，即判断在所述预设时长内从遥控码值中解码出的频率值是否一直在第一预设频率区间或一直在第二预设频率区间。第一预设频率区间和第二预设频率区间可根据实际情况设定，例如第一预设频率区间为1500～2000Hz，第二预设频率区间为1000～1500Hz，而且，本实施例仅以设置第一预设频率区间和第二预设频率区间为 例进行说明，还可以根据需要设置更多预设频率区间，在此不作限制。
步骤S212：当所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作。
在判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，若具体判断出所述频率值在第一预设频率区间，终端设备则执行与该第一预设频率区间对应的动作。若具体判断出所述频率值均不处于第一预设频率区间，或者在所述预设时长内存在所述频率值不处于第一预设频率区间的时刻，终端设备则不作响应。
例如，终端设备为电视机，所述第一预设频率区间对应的动作是向上切换频道，则在所述预设时长内频率值处于第一预设频率区间时，终端设备执行向上切换频道动作；在所述频率值均不处于第一预设频率区间，或者在所述预设时长内存在所述频率值不处于第一预设频率区间的时刻时，终端设备不作响应，即不执行向上切换频道操作，也不执行其它操作，保持当前状态。
步骤S213：当所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
在判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，若具体判断出所述频率值在第二预设频率区间，终端设备则执行与该第二预设频率区间对应的动作。若具体判断出所述频率值均不处于第二预设频率区间，或者在所述预设时长内存在所述频率值不处于第二预设频率区间的时刻，终端设备则不作响应。
例如，终端设备为电视机，所述第二预设频率区间对应的动作是向下切换频道，则在所述预设时长内频率值处于第二预设频率区间时，终端设备执行向下切换频道动作；当所述频率值均不处于第二预设频率区间，或者在所述预设时长内存在所述频率值不处于第二预设频率区间的时刻时，终端设备不作响应，即不执行向下切换频道操作，也不执行其它操作，保持当前状态。
本发明还提供一种基于电磁感应遥控系统。
参照图4，图4为本发明基于电磁感应遥控系统较佳实施例的结构示意图。
本发明基于电磁感应遥控系统较佳实施例中，所述基于电磁感应遥控系统包括遥控器110和终端设备120。
所述遥控器110包括振荡器100和控制器200。
其中，振荡器100用于在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号。
控制器200用于根据所述振荡信号生成遥控码值发送至终端设备120。
在人体靠近时，遥控器110中的振荡器100与人体发生电磁感应，与人体之间形成感应电容，并且，在该感应电容的电容值达到预设值(该预设值可以根据多次试验后确定的参考值，此处不作限制)时，根据所形成的感应电容发生振荡，产生不同振荡频率的振荡信号。
在产生振荡信号后，遥控器110中的控制器200利用所述振荡信号生成遥控码值，该遥控码值即为用于控制终端设备120的控制指令，例如，频道切换指令、音量调节指令等。遥控器110中的控制器200将所生成的遥控码值发送至终端设备120，从而通过遥控码值对终端设备120进行控制，使得终端设备120可根据遥控器110所发送的不同遥控码值执不同的动作，实现对终端设备120进行遥控。例如，终端设备120为电视机，若遥控器110发送的遥控码值对应的控制指令是向上切换频道，则终端设备120执行向上切换频道动作。
而且，所述终端设备120包括解码模块300、比较模块400和动作执行模块500。
其中，解码模块300用于接收遥控器110发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率。
比较模块400用于将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备120的每一动作对应。
动作执行模块500用于在预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
终端设备120接收遥控器110发送的遥控码值，且在接收到遥控器110发送的遥控码值后，为识别遥控码值，通过解码模块300对遥控码值进行解码，将遥控码值解码为编码前的数据，从而获得遥控码值中的频率值，其中，所述频率值为所述振荡信号的振荡频率，即该频率值为遥控器110与人体形成感应电容而产生的振荡信号的振荡频。
本实施例在解码模块300解码出遥控码值中的频率值后，比较模块400将所述频率值与预设频率区间进行比较，以判断频率值是否处于某一预设频率区间。预设频率区间可以是一个或多个预设频率区间，其中，每一预设频率区间与终端设备120的每一动作对应。通过设定每一预设频率区间对应的终端设备120需要处理的动作，从而在确定频率值所在的预设频率区间后，可确定终端设备120需要处理的动作，终端设备120执行与该预设频率区间对应的动作。
在比较模块400将频率值与预设频率区间进行比较时，若在预设时长(如1s)内所述频率值一直处于某一预设频率区间，即所述频率值处于某一预设频率区间的持续时间达到预设时长，则终端设备120中的动作执行模块500判断此时遥控器110发送的遥控码值是控制指令，终端设备120根据该预设频率区间预先设定的动作，执行该动作，例如终端设 备120为电视机，遥控码值中的频率值所在的预设频率区间对应的动作是向上切换频道，则电视机执行向上切换频道动作。相反，若所述频率值均不在预设频率区间内，或者预设时长内存在频率值不在预设频率区间的时刻，则终端设备120判断此时遥控器110发送的遥控码值不是控制指令，终端设备120不作响应。
本发明基于电磁感应遥控系统，遥控器110在人体靠近时，与人体形成感应电容而产生振荡信号，并根据所述振荡信号生成遥控码值发送至终端设备120。因此，当用户使用遥控器110遥控终端设备120时，只需在遥控器110上做人体动作，无需接触遥控器110按下相应按键，即无需通过按键方式来操作遥控器110即可控制终端设备120执行相应动作，实现了通过非接触遥控器110即完成遥控器110按键功能，由于不是通过按键方式来操作遥控器110，也不是在通过手势代替遥控器110，因此不受外界环境光线影响，可提高遥控器110的可靠性。而且，终端设备120通过获取遥控器110发送的遥控码值中的频率值来识别所要处理的动作，并且遥控器110的遥控码值不受外界环境光线影响，从而终端设备120响应遥控器110的遥控码值准确执行相应动作而不受干扰，避免误操作，从而能够提高终端设备120的可靠性，提高终端设备120的智能化。
具体地，所述振荡器100包括天线，所述振荡器100具体用于在人体靠近时，通过天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器100的电容和电感；在所述感应电容的电容值达到所述预设值时，所述振荡器100发生振荡并产生振荡信号。
由于人体在物理学中可以认为是电容的一个极板，而且，本实施例中遥控器110内部的天线可以作为电容的另一个极板，因此当人体靠近遥控器110内部的天线时，天线与人体之间形成一感应电容，该感应电容作为振荡器100的电容，天线作为振荡器100的电感，此时遥控器110内的振荡器100构成LC振荡器。
在天线与人体形成感应电容时，遥控器110可获取该感应电容的电容值C。根据公式C＝k*(a/d)可知，当天线与人体距离变化时，天线与人体之间形成的感应电容的电容值发生变化，而且电容值C与a成正比，与d成反比，其中，k为一常数(如0.95)，a为天线的面积，d为天线与人体的距离。
根据公式
Figure PCTCN2016084355-appb-000002
可知，LC振荡器所产生的振荡信号的振荡频率与天线的电感值L，以及天线与人体之间形成的感应电容的电容值C有关，即LC振荡器的振荡频率与天线和人体之间的距离有关。从而，当天线与人体距离变化时，天线与人体之间形成的感应电容的电容值发生变化，LC振荡器产生的振荡信号的振荡频率也发生变化。
结合参照图4和图5，其中图5为图4中控制器的结构示意图。
如图5所示，所述控制器200包括频率读取单元210、编码单元220和码值发送单元230。
其中，频率读取单元210用于读取所述振荡信号的振荡频率。
编码单元220用于按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值。
码值发送单元230用于将所述遥控码值发送至终端设备120。
在遥控器110内的振荡器100产生振荡信号后，控制器200中的频率读取单元210读取所述振荡信号的振荡频率，由于在人体靠近遥控器110，即用户在遥控器110上做人体动作过程中，振荡器100产生的振荡信号的振荡频率发生变化，从而频率读取单元210能够读取到多个频率值。
在频率读取单元210读取振荡信号后，编码单元220按照预设编码格式对振荡频率进行编码获得遥控码值，该遥控码值即为用于控制终端设备120的控制指令，经编码后得到的遥控码值包括频率值，即振荡器100的振荡频率。
通常遥控器的遥控码值包括引导码、客户码和数据码，本发明在遥控器110的遥控码值增加频率值，具体地，所述预设编码格式为：
引导码 客户码 数据码 频率值
其中，所述引导码表示遥控器110的类型，例如，表示该遥控器110为电视遥控器、DVD遥控器或空调遥控器等，所述客户码表示遥控器110所控制的终端设备120的厂家，所述数据码表示遥控器110的按键值，所述频率值为遥控器110内部振荡器100的振荡频率。
在编码单元220获得含有频率值的遥控码值后，控制器200中的码值发送单元230将所生成的遥控码值发送至终端设备120，从而通过遥控码值对终端设备120进行控制，使得终端设备120可根据遥控器110所发送的不同遥控码值执行相应动作，实现对终端设备120进行遥控。例如，终端设备120为电视机，若遥控器110发送的遥控码值对应的控制指令是向上切换频道，则终端设备120执行向上切换频道动作。
结合参照图4和图6，其中图6为图4中动作执行模块的结构示意图。
如图6所示，所述动作执行模块500包括判断单元510和执行单元520。
其中，所述预设频率区间包括第一预设频率区间和第二预设频率区间。
判断单元510用于在所述预设时长内所述频率值处于某一预设频率区间时，判断所述 频率值是处于第一预设频率区间还是处于第二预设频率区间；
执行单元520用于在所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；在所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
本实施例中，将所述频率值与预设频率区间进行比较时，该预设频率区间包括第一预设频率区间和第二预设频率区间。
在比较模块400将所述频率值与预设频率区间进行比较，判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，判断单元510判断所述频率值具体处于哪个预设频率区间，具体地，本实施例通过判断单元510判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间，即判断在所述预设时长内从遥控码值中解码出的频率值是否一直在第一预设频率区间或一直在第二预设频率区间。第一预设频率区间和第二预设频率区间可根据实际情况设定，例如第一预设频率区间为1500～2000Hz，第二预设频率区间为1000～1500Hz，而且，本实施例仅以设置第一预设频率区间和第二预设频率区间为例进行说明，还可以根据需要设置更多预设频率区间，在此不作限制。
在判断单元510判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，若具体判断出所述频率值在第一预设频率区间，执行单元520则响应该第一预设频率区间对应的动作，即终端设备120执行与该第一预设频率区间对应的动作。若具体判断出所述频率值均不处于第一预设频率区间，或者在所述预设时长内存在所述频率值不处于第一预设频率区间的时刻，终端设备120则不作响应。
例如，终端设备120为电视机，所述第一预设频率区间对应的动作是向上切换频道，则在所述预设时长内频率值处于第一预设频率区间时，终端设备120执行向上切换频道动作；在所述频率值均不处于第一预设频率区间，或者在所述预设时长内存在所述频率值不处于第一预设频率区间的时刻时，终端设备120不作响应，即不执行向上切换频道操作，也不执行其它操作，保持当前状态。
在判断单元510判断出所述预设时长内遥控码值中的频率值处于某一预设频率区间时，若具体判断出所述频率值在第二预设频率区间，执行单元520则响应第二预设频率区间对应的动作，即终端设备120执行与该第二预设频率区间对应的动作。若具体判断出所述频率值均不处于第二预设频率区间，或者在所述预设时长内存在所述频率值不处于第二预设频率区间的时刻，终端设备120则不作响应。
例如，终端设备120为电视机，所述第二预设频率区间对应的动作是向下切换频道，则在所述预设时长内频率值处于第二预设频率区间时，终端设备120执行向下切换频道动作；当所述频率值均不处于第二预设频率区间，或者在所述预设时长内存在所述频率值不 处于第二预设频率区间的时刻时，终端设备120不作响应，即不执行向下切换频道操作，也不执行其它操作，保持当前状态。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种基于电磁感应遥控方法，其特征在于，所述基于电磁感应遥控方法包括以下步骤：
    遥控器在人体靠近时，通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号；
    读取所述振荡信号的振荡频率；
    按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；并将所述遥控码值发送至终端设备；
    终端设备接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率；
    将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
    当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
  2. 如权利要求1所述的基于电磁感应遥控方法，其特征在于，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作的步骤包括：
    当所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
    当所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；
    当所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
  3. 一种基于电磁感应遥控方法，其特征在于，所述基于电磁感应遥控方法包括以下步骤：
    遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号；
    根据所述振荡信号生成遥控码值发送至终端设备；
    终端设备接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述 频率值为所述振荡信号的振荡频率；
    将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
    当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
  4. 如权利要求3所述的基于电磁感应遥控方法，其特征在于，所述遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号的步骤具体为：
    遥控器在人体靠近时，通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
  5. 如权利要求3所述的基于电磁感应遥控方法，其特征在于，所述根据所述振荡信号生成遥控码值发送至终端设备的步骤包括：
    读取所述振荡信号的振荡频率；
    按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
    将所述遥控码值发送至终端设备。
  6. 如权利要求3所述的基于电磁感应遥控方法，其特征在于，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述当预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作的步骤包括：
    当所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
    当所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；
    当所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
  7. 如权利要求6所述的基于电磁感应遥控方法，其特征在于，所述遥控器在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号的步骤具体为：
    遥控器在人体靠近时，通过内置的天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；当所述感 应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
  8. 如权利要求6所述的基于电磁感应遥控方法，其特征在于，所述根据所述振荡信号生成遥控码值发送至终端设备的步骤包括：
    读取所述振荡信号的振荡频率；
    按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
    将所述遥控码值发送至终端设备。
  9. 一种基于电磁感应遥控系统，其特征在于，所述基于电磁感应遥控系统包括遥控器和终端设备；
    所述遥控器包括：
    振荡器，用于在人体靠近时与人体形成感应电容，且在该感应电容的电容值达到预设值时产生振荡信号；
    控制器，用于根据所述振荡信号生成遥控码值发送至终端设备；
    所述终端设备包括：
    解码模块，用于接收遥控器发送的遥控码值，解码出所述遥控码值中的频率值；其中，所述频率值为所述振荡信号的振荡频率；
    比较模块，用于将所述频率值与预设频率区间进行比较；其中，每一预设频率区间与终端设备的每一动作对应；
    动作执行模块，用于在预设时长内所述频率值处于某一预设频率区间时，执行与该预设频率区间对应的动作。
  10. 如权利要求9所述的基于电磁感应遥控系统，其特征在于，所述振荡器包括天线，所述振荡器具体用于在人体靠近时，通过天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；在所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
  11. 如权利要求9所述的基于电磁感应遥控系统，其特征在于，所述控制器包括：
    频率读取单元，用于读取所述振荡信号的振荡频率；
    编码单元，用于按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
    码值发送单元，用于将所述遥控码值发送至终端设备。
  12. 如权利要求9所述的基于电磁感应遥控系统，其特征在于，所述预设频率区间包括第一预设频率区间和第二预设频率区间，所述动作执行模块包括：
    判断单元，用于在所述预设时长内所述频率值处于某一预设频率区间时，判断所述频率值是处于第一预设频率区间还是处于第二预设频率区间；
    执行单元，用于在所述频率值处于第一预设频率区间时，执行与该第一预设频率区间对应的动作；在所述频率值处于第二预设频率区间时，执行与该第二预设频率区间对应的动作。
  13. 如权利要求12所述的基于电磁感应遥控系统，其特征在于，所述振荡器包括天线，所述振荡器具体用于在人体靠近时，通过天线与人体形成感应电容，其中，所述天线与人体构成感应电容的两极，所述感应电容与所述天线分别构成振荡器的电容和电感；在所述感应电容的电容值达到所述预设值时，所述振荡器发生振荡并产生振荡信号。
  14. 如权利要求12所述的基于电磁感应遥控系统，其特征在于，所述控制器包括：
    频率读取单元，用于读取所述振荡信号的振荡频率；
    编码单元，用于按照预设编码格式对所述振荡频率进行编码，生成含有频率值的遥控码值；
    码值发送单元，用于将所述遥控码值发送至终端设备。
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