TW201901631A - Long-distance brainwave fiber-optic transmission system - Google Patents

Abstract

A brainwave signal fiber transmission system is proposed, which consists of a brainwave light emitter and a brainwave light receiver. The former is used for receiving and modulating the brainwave signal, generates the data light wave according to the modulated primary brainwave data before outputs the light wave signal; while the latter is used for receiving the light wave signal, transforms the output light wave signals into electrical signals, and then generates the secondary brainwave data corresponding to the primary one after modulating the electric signals.

Description

 Long-distance brainwave signal fiber transmission system  

The invention relates to a brain wave signal optical communication technology, in particular to a long-distance optical fiber transmission applied to a brain wave signal.

With the advancement of technology, some products known as brainwave control have come out one after another. For example, science fiction can open lights, TVs, and control remote control cars/airplanes, video games, etc. through ideas. In recent years, the application of brainwave control to medical treatment has made it difficult for patients with diseased limbs to get up. Therefore, as long as the brain can still work, it will be able to control the electrical appliances through their own minds and brainwave control. Even the machine prosthetic.

Optical fiber transmission system refers to a way to transmit information by using optical fibers and optical fibers. The optical fiber has many advantages such as large transmission capacity, low loss, high confidentiality, and no need for too many repeaters. In the optical fiber transmission system, the information to be transmitted is input to the transmitter by the transmitting end, the information is modulated onto the optical carrier as the information signal carrier, and then the modulated optical carrier is transmitted to the remote through the transmission medium. At the receiving end, the receiver demodulates the original information.

The invention relates to a brain wave signal optical communication technology, in particular to a long-distance optical fiber transmission applied to a brain wave signal.

A brain wave signal optical fiber transmission system includes a brain wave light emission and a brain wave light receiver. The brain wave light emitter is configured to receive the brain wave signal, modulate the brain wave signal, and generate the data light wave according to the modulated first brain wave data and emit the output light wave signal. The brain wave light receiver is configured to receive the output light wave signal, convert the output light wave signal into a signal signal, and then demodulate the electric signal to generate second brain wave data corresponding to the first brain wave data.

The long-wavelength brain wave signal fiber transmission system brain wave light emitter of the invention comprises a brain wave signal receiver, a brain wave signal modulation circuit and a laser emission module. The brain wave signal receiver is used for receiving brain wave data to generate first brain wave data. The brain wave signal modulation circuit is coupled to the brain wave signal receiver, and the brain wave signal modulation circuit is configured to modulate the input brain wave signal to generate a modulation signal for exciting the laser according to the modulation signal. Launch module. The laser emission module is coupled to the brain wave signal modulation circuit, and generates and emits an output light wave signal according to the modulation signal.

The long-wavelength brain wave signal fiber transmission system brain wave light receiver of the invention comprises a laser receiving module and a brain wave signal demodulating circuit. The laser receiving module is configured to receive the output optical wave signal, convert the output optical wave signal into an electrical signal, and then demodulate the electrical signal to generate second brain wave data corresponding to the first brain wave data.

Based on the above, the embodiment of the present invention provides a long-distance brain wave signal optical fiber transmission system, which can transmit long-distance brain wave signals through an optical fiber, so that the brain wave control signal can not only control the surrounding things, but also increase the control range to several. Ten kilometers away, and for the application of smart homes in the future, as long as you can easily control the homes of dozens of kilometers through the brainwaves, you can control the homes in Taipei and control the air conditioning and lighting in your home in Kaohsiung. Equipment such as electrical appliances, smart sockets and home security systems.

The above described features and advantages of the invention will be apparent from the following description.

100‧‧‧Long-distance brainwave signal fiber transmission system

110‧‧‧ brain wave light emitter

111‧‧‧ Brainwave Signal Receiver

112‧‧‧ brain wave signal modulation circuit

120‧‧‧Brain wave receiver

121‧‧‧Signal Processing Module

122‧‧‧ brain wave signal demodulation circuit

D_IN‧‧‧Enter brainwave signal

LD‧‧‧Laser launch module

PD‧‧‧Laser Receiver Module

LS‧‧‧ output light wave signal

Sd‧‧‧First Brainwave Information

Sde‧‧‧ modulated signal

Se‧‧‧Electric signal

Sea‧‧‧Second brainwave data

TF‧‧‧ single mode fiber

TIA‧‧‧Transistor Amplifier

D_OUT‧‧‧ Output brain wave signal

FIG. 1 is a schematic structural diagram of a long-distance brainwave signal optical fiber transmission system according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a brain wave light emitter according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a brain wave optical receiver according to an embodiment of the present invention.

4 is a schematic diagram showing the detailed structure of a long-distance brainwave signal optical fiber transmission system according to an embodiment of the present invention.

In order to make the disclosure of the present disclosure easier to understand, the following specific embodiments are illustrative of the embodiments that can be implemented. In addition, wherever possible, the same elements, components, and steps in the drawings and embodiments are used to represent the same or similar components.

FIG. 1 is a schematic structural diagram of a long-distance brainwave signal optical fiber transmission system according to an embodiment of the present invention. Referring to FIG. 1, the brainwave light emitter 110 of the present embodiment is configured to receive input data D_IN (for example, α, β, δ, and θ wave data of brain waves), and modulate the input data D_IN according to The modulated input data D_IN generates an output light wave signal LS that is transmitted into the optical fiber TF. In other words, after the input data D_IN can be modulated, the optical wave is used as a carrier, and the modulated input data D_IN is mounted on the optical carrier to form an output optical wave signal LS.

FIG. 2 is a schematic structural diagram of a brain wave light emitter according to an embodiment of the present invention. Referring to FIG. 2, the brain wave light emitter 110 includes a brain wave signal receiver 111, a brain wave signal modulation circuit 112, and a laser emission module LD.

In a specific application, the brain wave light emitter 110 may form a brainwave fiber transmission system with a corresponding brain wave light receiver 120, and the brain wave light receiver may be used to receive light waves collected from the fiber TF, and The output light wave signal LS is converted into an electrical signal, and after the signal is amplified and equalized, the processed electrical signal is demodulated, thereby generating an output data D_OUT corresponding to the input data D_IN.

Specifically, the brain wave light emitter 110 includes a brain wave signal receiver 111, a brain wave signal modulation circuit 112, and a laser emission module LD. The brain wave signal receiver 111 is configured to receive the brain wave data D_IN to generate the first brain wave data Sd. The brain wave signal modulation circuit 112 is coupled to the brain wave signal receiver 111, and the brain wave signal modulation circuit 112 is configured to modulate the input first brain wave data Sd to generate a modulation signal Sde for The laser emission module LD is excited according to the modulation signal. The laser emission module is coupled to the brain wave signal modulation circuit 112, and generates and emits an output light wave signal LS according to the modulation signal Sde.

From the perspective of the operation of the brain wave light emitter, the data to be transmitted is encoded and then loaded onto the brain wave signal modulation circuit 112, wherein the brain wave signal modulation circuit 112 can adopt phase modulation (Phase modulation). , PM), Frequency Modulation (FM) or Amplitude Modulation (AM) analog modulation, or Amplitude-shift keying (ASK), phase shift modulation (Phase-shift keying, PSK), Quadrature amplitude modulation (QAM), Frequency-shift keying (FSK) or Orthogonal frequency division modulation (Orthogonal frequency division modulation, The first brain wave data Sd is modulated by a digital modulation method such as OFDM). In the present case, the brain wave signal modulation circuit 112 can generate the modulation signal Sde using, for example, ASK, but the invention is not limited thereto.

The laser emission module LD is coupled to the brain wave signal modulation circuit 112, which generates a corresponding data light wave LS according to the received modulation signal Sde, that is, converts the electronic signal into a form of light wave. The signal is converted into an output light wave signal LS, and then the laser emission module LD transmits the output light wave signal LS through the optical fiber in the channel. The laser emitting module LD can employ a laser source such as a VC-ray (Vertical-Cavity Surface-Emitting Laser), a FP laser (Fabry-Perotl laser), or a DFB laser (Distributed feedback laser). In the present case, the laser emitting module LD can generate the light wave signal LS by using a DFB laser, for example, but the invention is not limited thereto. On the other hand, at the receiving end, the brain wave light receiver 120 passes the transmitted light wave signal LS to the laser receiving module PD via the optical fiber light receiving means. Thereafter, the laser receiving module PD converts the received light wave signal into an electrical signal, and then performs signal processing by the signal processing module 121 of the brain wave light receiver 120, and finally demodulates by the brain wave signal demodulating circuit 122. The original message.

FIG. 3 is a schematic structural diagram of a brain wave optical receiver according to an embodiment of the present invention. Referring to FIG. 3, the brain wave light receiver 120 includes a laser receiving module PD, a signal processing module 121, and a brain wave signal demodulating circuit 122. The laser receiving module PD is configured to convert the received input light wave signal LS into an electrical signal Se. In this embodiment, the laser receiving module PD can be, for example, a photodiode, which can be converted into a corresponding photocurrent (ie, the electrical signal Se) based on the number of received photons, but The invention is not limited to this.

The signal processing module 121 is coupled to the laser receiving module PD for performing signal processing on the electrical signal Se received from the laser receiving module PD to generate a baseband signal Sea. In this embodiment, the signal processing module 121 includes, for example, a low noise amplifier, a frequency stabilizer, a filter, an equalizer, and a voltage level modulator. The low noise amplifier first amplifies the received electrical signal Se, and then transmits it to the frequency stabilizer and the filter for noise processing, and then the equalizer EQ processes the electrical signal Se after the noise removal. Second brain wave data Sea.

The brain wave light receiver 120 is configured to receive the light wave from the optical fiber, and convert the output light wave signal LS into the electrical signal Se, and then the signal processing module 121 amplifies and equalizes the electrical signal Se, and then the brain The wave signal demodulation circuit 122 demodulates the processed second brain wave data Sea to generate an output data D_OUT corresponding to the input data D_IN.

The brain wave light receiver 120 includes a laser receiving module PD, a signal processing module 121, and a brain wave signal demodulating circuit 122. The laser receiving module PD is configured to convert the received light wave signal into an electrical signal. In practical applications, the laser receiving module PD can be implemented by using a photodiode, which can convert the light wave signal into an electrical signal by absorbing, detecting, and generating a corresponding photocurrent.

The signal processing module 121 is coupled to the laser receiving module PD, and is configured to perform signal processing such as amplification and equalization on the electrical signal Se received from the laser receiving module PD, thereby generating a second brain wave data Sea. .

The brain wave signal demodulation circuit 122 is coupled to the signal processing module 121 and configured to demodulate the second brain wave data Sea to generate an output data D_OUT corresponding to the input data D_IN. The brain wave signal demodulation circuit 122 is configured corresponding to the brain wave signal modulation circuit 112, that is, the two adopt corresponding modulation and demodulation means.

4 is a schematic diagram showing the detailed structure of a long-distance brainwave signal optical fiber transmission system according to an embodiment of the present invention. Referring to FIG. 4, from the perspective of the overall system operation, at the transmitting end, the data to be transmitted is encoded and loaded onto the brain wave signal modulation circuit 112 to be converted into a current that varies with the signal to drive the laser. The light source in the transmitting module LD converts the electrical signal into an output light wave signal LS, and then the laser emitting module LD transmits the output light wave signal LS in the channel through a light emitting means such as an optical fiber. On the other hand, at the receiving end, the brain wave light receiver 120 receives the transmitted light wave signal LS through the laser receiving module PD via a light receiving means such as an optical fiber. Thereafter, the laser receiving module PD converts the received light wave signal into an electrical signal, and then performs signal processing by the signal processing module 121. Finally, the brain wave signal demodulating circuit 122 demodulates the original message.

Compared with the existing brainwave communication system, the long-distance brainwave signal fiber transmission system 100 of the present embodiment can overcome the transmission and control range of the brain wave signal when applied to brain wave communication. More specifically, in the long-distance brainwave signal fiber transmission system 100 of the present embodiment, since the optical fiber has low attenuation, strong information carrying capacity, and no interference from electromagnetic waves, a long-distance communication link can be formed to make long-distance brainwave signals. The transfer can be implemented.

In an exemplary embodiment, the long-distance brainwave signal fiber transmission system 100 further includes an optical fiber TF, wherein the optical fiber TF can be, for example, a multimode fiber, a single mode fiber, or a plastic optical fiber. ) and other optical fibers. In the present case, the optical fiber TF can transmit the optical wave signal LS, for example, using a single mode fiber, but the invention is not limited thereto.

In summary, the embodiment of the present invention provides a long-distance brainwave signal optical fiber transmission system, which can obtain a long-distance brain wave signal transmission by using an optical fiber transmission method, so that the long-distance brain wave signal optical fiber transmission of the embodiment is transmitted. The system can have a longer brainwave signal transmission distance. Based on this, long-distance (over 40 km) brainwave signal fiber transmission system can be realized.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

Claims (7)

 A long-distance brainwave signal optical fiber transmission system includes: a brain wave light emitter for receiving a brain wave signal, modulating a brain wave signal, and generating a data light wave according to the modulated first brain wave data and emitting an output light wave And a brainwave light receiver for receiving the output light wave signal, and converting the output light wave signal into a signal signal, and then demodulating the electrical signal to generate second brain wave data corresponding to the first brain wave data; and The optical fiber is coupled to the brain wave light emitter and the brain wave light receiver.    The long-distance brainwave signal optical fiber transmission system according to claim 1, wherein the brainwave light emitter comprises: a brain wave signal receiver for receiving the brain wave input data, and converting the input data into a plurality of forms having a binary data stream to generate first brain wave data; and a brain wave signal modulation circuit coupled to the brain wave signal receiver for inputting the first brain The wave data is modulated to generate a modulated signal; and a laser emitting module is coupled to the brain wave signal modulation circuit for generating a corresponding data light wave for the modulated signal.    The long-distance brainwave signal optical fiber transmission system according to claim 2, wherein the data light wave generated by the laser emission module is transmitted to the brain wave light receiver through the optical fiber.    The long-distance brainwave signal optical fiber transmission system according to claim 1, wherein the brainwave optical receiver comprises: a laser receiving module coupled to the optical fiber for receiving data light waves, and receiving the received light waves The signal is converted into an electrical signal; and a signal processing module is coupled to the laser receiving module, and the received electrical signal is processed for signal processing to generate second brain wave data; and a brain wave signal demodulating circuit is coupled The signal processing module is configured to demodulate the second brain wave data to generate an output brain wave signal corresponding to the input brain wave signal.    The long-distance brainwave signal optical fiber transmission system according to claim 1, wherein the optical fiber is coupled between the brain wave light emitter and the brain wave light receiver to transmit the output light wave signal generated by the brain wave light emitter to the brain. A wave-light receiver that transmits long-distance lightwave signals.    For example, the long-distance brainwave signal optical fiber transmission system described in claim 4 of the patent application scope, wherein the transmission length of the optical fiber is greater than 40 kilometers.    The long-distance brainwave signal optical fiber transmission system according to claim 5, wherein the optical fiber is a single-mode optical fiber.