TWI743127B - Modularized signal converting apparatus and method thereof - Google Patents

Abstract

The present invention relates to a modular signal conversion device and a method thereof, in particular to a signal conversion device that is modularized for playing digital content and can be used in combination with other electrical equipment.

Description

Modular signal conversion equipment and method

The present invention relates to a signal conversion equipment and method.

The conventional digital signal conversion device has a structure that combines additional boxes with various sub-functions required to perform the conversion. Therefore, there are disadvantages that the volume of the overall system increases and the manufacturing cost increases. In addition, the increase in manual work steps during production and assembly leads to the disadvantages of increased labor costs, long production periods, and many restrictions on operation. This leads to a lot of waste of manpower and time, and the aesthetics are not good. In addition, since the other boxes of the digital signal conversion device having various functions are used independently, there is no compatibility between the boxes, which also leads to an increase in manufacturing costs.

In addition, the modular signal conversion equipment with the aforementioned functions is not manufactured separately, but as a finished product. The product is marketed as a single unit part. In this regard, after a certain period of time, the compression rate and signal processing will increase with the format With the technological development of deformation and additional equipment, the internal equipment is incompatible with each other, and there is the inconvenience of repurchasing the latest digital signal conversion equipment.

Nevertheless, as far as discrete signal conversion equipment, especially audio playback equipment is concerned, there is currently no or lack of an integrated device that takes into account the compatibility of the equipment and includes the power supply unit, amplifier unit and converter required to convert discrete signals. Modularized discrete signal conversion equipment.

In addition, in the case of manufacturers and platform suppliers sharing specific standards, in terms of combining components and solutions of digital signal conversion equipment, each manufacturer faces the problem of failure to upgrade products due to lack of experts, especially when it is difficult to obtain specific Issues with digital signal conversion equipment or company licensing support with playback equipment technology

Therefore, in the corresponding technical field, the required technical development is that after the demander or manufacturer only purchases the components of the audio equipment with the basic device, the remaining units can be purchased and easily disassembled according to the user’s orientation and purpose. It also requires a solution that anyone can easily and diversify.

The present invention was developed to solve the aforementioned problems, and relates to a signal conversion device and method that can be applied to a digital audio playback device required for playing audio source signals. This manual discloses a modular signal conversion equipment and method, which enables users and manufacturers to purchase compatible signal conversion equipment and directly install them on electrical contacts such as computers and vehicle audio The external electronic device selects the signal of the quality consistent with its own orientation and purpose.

In addition, an object of the present invention is to provide a solution for realizing simple hardware upgrades by mass-produced and introduced compatible components that can be converted with technological development.

The present invention is developed to achieve the foregoing purpose. A modular signal conversion device that can be combined with an external circuit includes: a power supply part, which supplies power; a connection part, which is in electrical contact with the aforementioned external circuit; and a converter, which Receiving power from the power supply unit, converting the discrete signal transmitted from the connecting unit into an analog signal; and an amplifying unit, which amplifies the analog signal converted by the converter.

In the present invention, the connecting portion may include: an electrode for electrical contact with the aforementioned external circuit; and a connecting portion for mechanically coupling with the aforementioned circuit.

In the present invention, a housing is located outside the power supply unit, the converter, and the amplifying unit and surrounds the housing, and the housing may be provided so that at least a part of the connecting portion is exposed to the outside.

The aforementioned connecting portion can be equipped to be able to use magnetic force to interact with the aforementioned external In the circuit disassembly and assembly, the housing is located outside the power supply unit, the converter, and the amplifying unit and surrounds it, and is provided so that at least a part of the electrode is exposed to the outside.

The electrode may be a pin structure, which includes a guide shaft that operates with a spring and a guide hole that can transmit electrical signals to the inside of the guide shaft. When pressurized with a force greater than the elastic force of the spring, the guide hole can be connected to the circuit touch.

The aforementioned power supply unit may include: a plurality of separate power supply units; and a plurality of separate noise removal units, which are connected to the aforementioned separate power supply units and have a structure in which electrical components for step-by-step removal of noise are arranged in sequence; The power supply unit can cut off the noise caused by the power supply unit by the noise removal unit and supply power.

The aforementioned converter is characterized in that it uses the synchronized control signal and clock signal of the external processor to convert the aforementioned discrete signal into the aforementioned analog signal.

Preferably, the converter may have an SPDIF structure that accepts the input clock signal and the discrete signal transmitted by the connection part in a cable, and the cable may be at least one of a coaxial cable or an optical fiber cable. In the present invention, the aforementioned converter can convert the aforementioned discrete signal into the aforementioned analog signal through the aforementioned SPDIF structure.

In order to prevent the digital signal and the analog signal from overlapping, the aforementioned converter may have a separation structure in which the internal circuit wiring interval is greater than a preset distance.

This embodiment may include a shielding cover located outside of the aforementioned power supply part, converter, amplifying part, and housing, and surrounded in order to prevent the inflow of radiated noise. The material of the aforementioned shielding cover can be at least one of nickel-brass or stainless steel. The material.

The amplifying part may include a plurality of output channels, and the internal circuits of the plurality of output channels may have a structure in which each output channel is surrounded by ground in order to reduce the signal interference phenomenon between the plurality of output channels.

The amplifying unit and the converter may have a filter for cutting off noise generated by the power supply unit.

This embodiment may include a clock generating unit that generates a clock signal that determines the operating time of the modular signal conversion device. The clock signal generated by the clock generating unit can be input to the processor of the aforementioned external circuit and the aforementioned The aforementioned converter of modular signal conversion equipment.

This embodiment may include a mute part that adjusts the output of the aforementioned modular signal conversion device.

In addition, in order to achieve the objective, the modular signal conversion method includes: the step of receiving power from the internal power supply of the modular signal conversion device; and the step of confirming whether the modular signal conversion device is in electrical contact with the external circuit. ; The foregoing modular signal conversion device receives the input discrete signal transmitted from the foregoing external circuit, and converts the foregoing discrete signal into an analog signal; and the step of amplifying the foregoing analog signal.

The aforementioned confirmation step further includes: when the contact with the aforementioned external circuit is normally achieved, the aforementioned modular signal conversion device sends a contact signal ready to receive the aforementioned discrete signal to the aforementioned external circuit; the aforementioned external circuit In the case of receiving the aforementioned contact signal, the aforementioned discrete signal can be transmitted to the aforementioned modular signal conversion device.

The aforementioned conversion step further includes the step of receiving synchronized control signals and clock signals from the aforementioned external circuit; the aforementioned modular signal conversion equipment can use the synchronized control signals and clock signals to convert the aforementioned discrete signals into the aforementioned discrete signals Analog signal.

The step of performing conversion and the step of amplifying further includes the step of receiving power supply from the power supply unit inside the modular signal conversion device; the step of receiving power supply can remove the noise caused by the power supply unit and receive the power supply .

The aforementioned conversion step is such that the aforementioned discrete signal and the aforementioned analog signal do not overlap, and the conversion can be performed by using an internal circuit having a spaced apart structure with a wiring interval greater than a preset distance.

In addition, the present invention discloses a computer program stored in a computer-readable recording medium for running the aforementioned information processing method in a computer.

According to the present invention, the modularization of the digital signal processing equipment has the effect of realizing system changes such as modification, replacement, and upgrade of the modularized signal processing equipment according to user requirements. As far as modular equipment is concerned, it has the effect of minimizing the noise generated and obtaining high-quality analog signals at low cost.

10: Modular signal conversion equipment

20: External circuit

22: processor

24: Memory

26: display unit/display device

50: Audio device/circuit

60: computer/circuit

70: video recorder/circuit

80: Circuit

100: Power supply department

120, 140, 160: power supply department

130, 150, 170: Noise removal section

132: Table

134: Table

136: table

152: Capacitor

154: LDO regulator

156: Capacitor

172: Voltage input node

174: Voltage output node

200: connecting part

220: connecting part

240: Electrode

242: guide shaft

244: guide hole

300: converter

320: The first power supply terminal

340: Clock input section

360: Data Input Department

370: Conversion Department

380: Control signal receiving part

390: Analog signal output section

400: Enlargement section

420: Second power supply terminal

440: Analog signal input section

460: Amplification Department

480: Amplified signal output section

482: Ground

500: Clock Generator

582, 592: Clock signal

584, 594: control signal

600: Silent Department

612, 614: mute input section/input terminal of mute section

620: The first silent department

662, 664: mute output section/output terminal of mute section

640: The second silent department

660: The third silent department

672, 674: POP noise

700: Shell

800: shield

1000: Modular signal conversion equipment

1100, 1200, 1300, 1400, 1500, 1600: signal conversion equipment

2000: Modular signal conversion equipment

2300, 2400: internal equipment/internal equipment module

2600: basic module

FIG. 1 is an enlarged block diagram of the inside of a modular signal conversion device according to an embodiment of the present invention.

FIG. 2 is an application example diagram of a modular signal conversion device combined with an external circuit that can be electrically contacted according to an embodiment of the present invention.

Fig. 3 is an enlarged block diagram of the power supply unit in the embodiment of Fig. 1.

FIG. 4 is a circuit diagram of a noise removal section in which electrical components located in the power supply section are sequentially arranged in the embodiment of FIG. 1.

Fig. 5 is a conceptual diagram of the connecting portion in the embodiment of Fig. 1.

Fig. 6 is a diagram showing an example of the connecting portion and the electrode in the embodiment of Fig. 1.

Fig. 7 is an enlarged block diagram of the converter in the embodiment of Fig. 1.

Fig. 8 is an enlarged block diagram of the enlarged part in the embodiment of Fig. 1.

Fig. 9 is an enlarged block diagram of the mute part in the embodiment of Fig. 1.

FIG. 10 is an exemplary diagram of the housing and the shielding cover inside the modular signal conversion device according to an embodiment of the present invention.

FIG. 11 is a conceptual diagram illustrating the appearance of a modular signal conversion device according to an embodiment of the present invention.

FIG. 12 is a conceptual diagram of the modularization of the internal equipment of a modular signal conversion device according to an embodiment of the present invention.

FIG. 13 is a conceptual diagram depicting a state in which a modular signal conversion device according to an embodiment of the present invention contacts a circuit inside a vehicle electronic device.

FIG. 14 is a conceptual diagram depicting a modular signal conversion device of an embodiment of the present invention installed in a circuit in a computer device.

FIG. 15 is a conceptual diagram depicting the appearance of a modular signal conversion device added to a circuit in an audio device according to an embodiment of the present invention.

FIG. 16 is a conceptual diagram depicting a circuit of the modular signal conversion device installed in a mobile device according to an embodiment of the present invention.

FIG. 17 is a conceptual diagram of a user interface and a graphical user interface (UI/GUI) that can be linked and changed with a modular signal conversion device according to an embodiment of the present invention.

FIG. 18 is a flowchart of a modular signal conversion method according to an embodiment of the present invention.

Fig. 19 is an enlarged flowchart of the confirmation step in the embodiment of Fig. 18.

FIG. 20 is a diagram showing an example of the circuit structure of a mute section according to an embodiment of the present invention.

Fig. 21 is a measurement diagram of the intensity of POP noise removed by the silent part.

FIG. 22 is a conceptual diagram of synchronization using a clock signal and a control signal of a processor according to an embodiment of the present invention.

FIG. 23 is a conceptual diagram of a clock signal and control signal synchronization scheme using an internal phase synchronization circuit (Phased lock loop) according to an embodiment of the present invention.

FIG. 24 is an example of a circuit diagram having a structure in which the output channel of the amplifying section is surrounded by grounding according to an embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

In the description with reference to the drawings, the same or corresponding constituent elements are given the same reference numerals, and repeated descriptions thereof are omitted.

In addition, in describing the present invention, if it is judged that specific descriptions of related well-known structures or functions may confuse the gist of the present invention, detailed descriptions thereof may be omitted.

The terms used in this application are only used to describe specific embodiments, and are not intended to limit the meaning of the terms. As long as the difference is not clearly expressed in the arts and sciences, the expression of the singular includes the expression of the plural.

The steps described below can be equipped with one or more software modules, can also be embodied by the hardware responsible for each function, or can be embodied in the form of a combination of software and hardware.

The specific meaning and examples of each term will be described in the order of each figure below.

The structure of the audio playback device according to the embodiment of the present invention will be described in detail below with reference to related drawings.

FIG. 1 is an enlarged block diagram of the inside of a modular signal conversion device according to an embodiment of the present invention.

The modular signal conversion device 10 includes a power supply part 100, a connection part 200, a converter 300, an amplifying part 400, a clock generation part 500 and a mute part 600.

The modular signal conversion device 10, as a collection of devices required to convert the aforementioned signals with preset functions, is in electrical contact with an external communicable circuit to perform a signal conversion function.

As an embodiment, the modular signal conversion device 10 may be a device that plays digital content and outputs high-quality audio sources. In addition, modular signal transfer The switching device 10 can be used as an electrical device that requires signal conversion, such as a computer 60 having an electrical connection part, a video recorder 70, an audio device 50 inside a vehicle electronic device, and the like. The modular signal conversion device 10 realizes modularization, and the user can easily change, replace, and upgrade the device, and has the advantage that the system can be changed according to the user's requirements.

As an embodiment, the signal converted by the modular signal conversion device 10 is used as a discrete signal, which can be a quantized signal, especially a digital signal. If referring to FIGS. 2 and 13, the aforementioned discrete signal may be in an external circuit capable of communication. Storage device to send. In addition, the aforementioned discrete signals can be transmitted in a stream on the Internet.

As another embodiment, the modular signal conversion device 10, as a device that outputs high-quality audio sources, has a higher current consumption when it functions. At this time, the converter 300 and the amplifying part 400 of the aforementioned modular signal conversion device 10 can be independently controlled to minimize the current consumption caused by use.

In the modular signal conversion device 10, the configuration of the power supply unit, the converter 300, the amplifier unit 400, etc. can be changed according to the purpose of noise reduction. The change will affect the quality of the final analog signal. Modularization The position and connection relationship of the power supply part 100, the converter 300, the amplifying part 400, etc. in the signal conversion device 10 may have a design structure optimized for data flow and signal flow. The configuration and design of the modular signal conversion device 10 The meter can be set up using hardware or software.

As an embodiment, in terms of changing the equipment in the modular signal conversion device 10, initialization of data or signal flow is required. This initialization can be done by means of a built-in module in the hardware or by means of another Internet or It is automatically set by the software that the mobile application can receive.

The power supply unit 100 performs a function of supplying electric energy to the converter 300, the amplifying unit 400, the clock generating unit 500, and the mute unit 600 by physical or chemical action.

As an embodiment, when the high-fidelity audio module is sensitive to noise, the power supply unit 100 may have a circuit structure for reducing noise. 3 and 4, the power supply unit 100 can include a plurality of power supply units 120, 140, 160 and a plurality of noise removal units 130, 150, 170, each power supply unit 120, 140, 160 separate, can have: The preset voltage value optimized to reduce noise.

As another embodiment, the power supply unit 100 may be located outside the modular signal conversion device 10 instead of inside, and supply power. If referring to FIGS. 2 and 13, the external circuit 20 capable of communication or the internal circuit 50 of the vehicle electronic device may include a power supply part to supply power when the modular signal conversion device 10 is installed.

As an embodiment, the power supply units 120, 140, and 160 can utilize the potential difference derived from the difference in metal ionization, and can include a primary battery that cannot be charged and a secondary battery that can be charged. The type of the aforementioned power supply unit can be changed according to the characteristics of the external circuit 20 capable of communication. In the case of the circuit 50 inside the vehicle electronic device, a power supply part such as a battery may be used.

The noise removal units 130, 150, and 170 perform a function of removing noise caused by the power supply unit 100.

As an embodiment, the noise removal parts 130, 150, 170 may have a circuit structure in which electrical components are connected in sequence. The foregoing circuit structure may use beads for removing high-frequency noise for the first time, and use it for the second time. For the LDO (Low Drop Out) regulator 154, a capacitor 152 with a low series equivalent resistance is used for the third time, and a large-capacity capacitor 156 is used for the fourth time.

The LDO (Low Drop Out) regulator 154 linearly adjusts the voltage even when the supply voltage is very close to the output voltage, and has the advantages of small voltage drop, small fluctuation, low noise, simple circuit, and low price.

If referring to FIGS. 5 and 6, the connecting portion 200 includes a connecting portion 220 and an electrode 240. As an embodiment, the connecting portion 200 makes the modular signal conversion device 10 and the external circuit 20 capable of communication electrically and mechanically connect, and play the role of a path of electrical signals. In addition, the connection part 200 The input discrete signal is received from the external circuit 20 capable of communication and sent to the data input unit 360 of the converter 300. In order to prevent the electrical signal from flowing into the air or the user's body, an insulating material may be included.

The connecting portion 220 allows the modular signal conversion device 10 to be mechanically attached to the external circuit 20 capable of communication.

As an embodiment, the connecting portion 220 may include a connector of a standardized specification, and may have a connecting structure that utilizes magnetic force for the convenience of the user. In addition, it may have a removable connection structure that a common electronic device has, and the material of the connection portion 220 may include an insulating material to prevent leakage of electrical signals.

The electrode 240 can become an electrical signal path between the modular signal conversion device 10 and the external circuit 20. Description will be made with reference to FIG. 10, FIG. 11, and FIG. 12.

As an embodiment, the electrode 240 can be a path for discrete signals, contact signals and clock signals 582 and 592. The structure of the electrode 240 may be a pin structure, which includes a guide shaft 242 operated by a spring and a guide hole 244 capable of transmitting electrical signals to the inside of the aforementioned guide shaft. When the electrode 240 is pressurized with a force greater than the elastic force of the aforementioned spring, the aforementioned guide hole 244 can contact the aforementioned circuit, and the aforementioned structure of the electrode 240 can have a shape similar to the structure of a pogo pin connector (POGO PIN).

The converter 300 includes a first power terminal portion 320, a clock input portion 340, a control signal receiving portion 380, a synchronization device, a data input portion 360, a conversion portion 370, and an analog signal output portion 390.

If referring to FIGS. 7, 22 and 23, the converter 300 uses synchronized control signals 584, 594 and clock signals 582, 592 to convert discrete signals input from the external circuit 20 capable of communication into analog signals for output.

As an embodiment, the converter 300 may include a plurality of converters 300. When the plurality of converters 300 are used, high-quality analog signals can be converted by averaging the output noise. When a plurality of converters 300 are used, the current consumption will increase. This can be solved by individually controlling the currents of the converters 300.

As another embodiment, the converter 300 may have a partition structure to prevent the repetition of the digital noise (Digital Noise) portion on the internal circuit pattern. The separation structure can be separated by a distance on a two-dimensional plane, or separated in a three-dimensional space on another layer. The aforementioned separation distance takes into account the size of the final digital signal device and the playback sound quality and has a value above the preset value.

Synchronization refers to aligning the operating time of the modular signal conversion device 10 with the external circuit 20 that can communicate, with the unified clock signal 582, 592 The benchmark time is achieved. Synchronization is not only aimed at the operating time between devices, but can mean the consistency of data.

The first power supply terminal 320 receives power supply from the power supply unit 100.

The clock input unit 340 receives input clock signals 582 and 592 generated by the clock generator 500.

As an embodiment, the clock signal input to the clock input unit 340 may include MCLK (Master Clock), LRCK (Left-Right Clock), and BITCLK (Bit Clock). MCLK (Master Clock) is used as the main clock to determine the final operating time of the modular signal conversion equipment. LRCK (Left-Right Clock) is the clock used for the L (Left) and R (Right) channels of digital audio signals. BITCLK (Bit Clock) is the clock that connects to the basic phase of the digital signal for transmission, and is synchronized with the bit clock to determine whether the digital signal is 0 or 1.

The control signal receiving unit 380 performs the function of receiving synchronized control signals 584 and 594 from the external processor. The external processor 22 senses whether the clock generating unit is abnormal, and when an abnormality occurs, it initializes the clock generating unit. When an abnormality occurs in the clock generation unit even after initialization, a control signal for ending the operation of the clock generation unit 500 is generated.

The data input unit 360 receives discrete signals from an external circuit 20 capable of communication. The discrete signal received by the data input unit 360 is converted into an analog signal, which is amplified by the amplifying unit 400 and output.

As an embodiment, the clock input unit 340 and the data input unit 360 may have an S/PDIF (Sony Philips Digital Interface) structure. S/PDIF (Sony Philips Digital Interface), as a digital interface, refers to a connector that sends and receives discrete signals between electronic devices. The S/PDIF (Sony Philips Digital Interface) digital interface can include a coaxial cable method or an optical cable method. If S/PDIF (Sony Philips Digital Interface) is used, the signals of 4 digital lines (Digtal Line) can be formed into a digital line (Digtal Line), and the effect of reducing digital noise (Digital Noise) can be obtained.

The conversion unit 370 converts the discrete signal into an analog signal and outputs it.

As an embodiment, the conversion unit 370 may use the clock signal 592 generated by the phase synchronization circuit (Phased lock loop) inside the external processor 22. When the conversion unit 370 utilizes the clock signal 592 generated by the phase synchronization circuit (Phased lock loop) inside the external processor 22, the clock signal 592 changes abruptly according to the usage of the external processor 22 core. JITTER occurs in the pulse signal 592, and an accurate analog signal cannot be formed. JITTER is a transition (Transition) that occurs in the normal clock. When a jitter occurs, it is impossible to accurately determine the setting. Operating time of the spare room. However, when the conversion unit 370 uses the clock signal 582 generated by the phase synchronization circuit (Phased lock loop) in the clock generation unit 500, an accurate analog signal can be formed. The phase synchronization circuit (Phased lock loop) performs the function of controlling the output signal by using the phase difference between the input signal and the feedback signal of the output signal, and the purpose is to adjust the frequency of the output signal according to the input signal.

The analog signal output part 390 outputs the converted analog signal and transmits it to the amplifying part 400.

The amplification part 400 includes a second power terminal part 420, an analog signal input part 440, an amplification part 460 and an amplification signal output part 480.

The amplifying part 400 performs the function of amplifying the electrical analog signal output by the converter.

As an embodiment, the amplifying part 400 may include a preamplifier (Preamp) that adjusts the analog signal and a power amplifier (Power Amp) that amplifies the power. Integrated Amp. The shape of the amplifying part 400 is not fixed and can be changed according to the purpose and function of the modular signal conversion device 10.

As another embodiment, the amplifying part 400 may have a surface to reduce noise. In an optimized design of the converter 300, the wiring of the internal circuit of the amplifying part 400 may have a maximum separation structure in order to prevent the repetition of the part that may cause digital noise (Digital Noise). The description about the configuration of the foregoing partition structure is the same as the foregoing. The separation distance takes into account the size of the final digital signal device and the playback sound quality, and can have a value above the preset value.

The second power supply terminal part 420 receives power supply from the power supply part 100. However, the power supply can be received from an external power supply. If referring to FIG. 2 and FIG. 13, the external circuit 20 capable of communication may have another power supply unit, and the modular signal conversion device 10 may supply power when it is connected.

As an embodiment, when the second power supply terminal 420 receives power supply, it can be supplied by a filter unit for reducing power supply noise. The aforementioned filter unit can be provided with power supply noise removal units 130, 150, 170. The circuit has the same structure.

The analog signal input unit 440 can receive the electrical analog signal output by the input converter 300 through two channels.

As an embodiment, the analog signal input part 440 may have the clock input part 340 of the converter 300 and the SPDIF interface structure of the data input part 360, and the noise can be reduced by the SPDIF digital interface structure.

The amplification part 460 performs the function of increasing the power of the analog signal.

As an embodiment, the amplification part 460 may include an amplification signal output part 480, which is composed of a plurality of OP-AMP elements, and may have a structure to increase the gain in stages. The gain of each OP-AMP element may have an optimized value in consideration of noise, and may have a feedback circuit including a resistance element between each amplifying element.

The amplified signal output unit 480 outputs the amplified analog signal. Description will be given with reference to FIG. 24. As an embodiment, the left and right output channels of the amplified signal output unit 480 may have a structure surrounded by a GND (ground) 482 in order to avoid signal interference. The amplified signal output unit 480 uses CROSS TALK as a reference for evaluating the signal interference of the left and right output channels. This means the channel separation, which represents the signal in the left and right channels of the amplified signal output unit 480. Degree of interference. The amplified signal output unit 480 has a structure in which the left and right output channels are surrounded by GND, so that the channel separation can be improved.

The clock generator 500 generates clock signals 582 and 592 that determine the operating time of the audio playback device of the present invention. Description will be made with reference to FIG. 18 and FIG. 19.

The clock generator 500 generates MCLK (Master Clock), LRCK (Left-Right Clock) and BITCLK (Bit Clock). MCLK (Master Clock) is used as the main clock to determine the final operating time of the digital signal device. LRCK (Left-Right Clock) is used for digital audio The clock of the L (Left) channel and R (Right) channel of the number. It can be 1 when transmitting L channel information, and it can be 0 when transmitting R channel information. BITCLK (Bit Clock, bit clock) is used as a clock that is connected to the basic bit of the digital signal for transmission, and is synchronized with the bit clock to determine whether the digital signal is 0 or 1.

As an example, the clock signals 582 and 592 generated by the clock generator 500 are input to the processor and converter 300 of an external circuit capable of communication. The clock generator 500 of the present invention is different from ordinary signal conversion equipment. Since the clock signal 582 formed by the phase synchronization circuit (Phased lock loop) in the clock generator 500 is used, an accurate analog signal can be formed. That is, the clock is directly formed and used in the modular signal conversion device 10, so that a low-jitter (JITTER) analog signal can be formed.

The mute part 600 includes a first mute part 620, a second mute part 640, and a third mute part 660.

The mute part 600 performs a function of adjusting high output. This will be described with reference to FIGS. 7 and 16.

For example, when the modular signal conversion device 10 is used as a high-fidelity audio module (HIFI AUDIO MODULE), in order to control the high output, the mute part 600 is required. The mute part 600 receives from the mute input parts 612 and 614 Amplify the signal input of the signal output part 480, and transmit the third muted signal from the mute output parts 662, 664 to the connection part.

As an embodiment, the mute part 600 may include a plurality of mute parts, and the number of the mute parts may vary depending on the output of the modular signal conversion device 10. The mute part 600 includes a plurality of field effect transistors (Field Effect Transistor) elements, which can solve the problem of increasing the negative end through the structure where the source (SOURCE) and the drain (DRAIN) of the field effect transistor (Field Effect Transistor) are opposite POP noise. The POP noise 672 is the noise generated when the power is supplied or interrupted, and it refers to the noise generated by the voltage of the charged capacitor when a circuit with a capacitor with a charged voltage is connected to other circuits.

The first silent unit 620 determines the overall silent time. If referring to FIG. 20, the first silent part 620 may include a resistor, a capacitor, and an odd number of field effect transistors (Field Effect Transistor). The number of electrical components in the first silent section is not fixed and can be changed according to the output of the modular signal conversion device 10.

The second mute section 640 and the third mute section 660 determine the fine time of mute. The second silent part 640 and the third silent part 660 may include a plurality of resistors and an odd number of capacitors. The drain voltage of the field effect transistor (Field Effect Transistor) of the second mute part 640 and the third mute part 660 may have an output power value for the modular signal conversion device 10 Optimized value.

FIG. 2 is an application example diagram of a modular signal conversion device combined with an external circuit that can be electrically contacted according to an embodiment of the present invention. This will be described with reference to FIG. 13.

The modular signal conversion device 10 can be connected to an external circuit 20 having a contact portion electrically contactable with the modular signal conversion device 10. The aforementioned external circuit 20 includes a processor 22, a memory 24 and a display unit 26.

In addition to the aforementioned processor 22, memory 24, and display unit 26, the external circuit 20 capable of communication may also include other devices.

As an embodiment, the external circuit 20 capable of communication performs the function of electrically connecting with the modular signal conversion device 10 and transmitting discrete signals. In addition, the external circuit 20 capable of communication may include a connection part capable of mechanically contacting the modular signal conversion device 10. If referring to FIGS. 14, 15 and 16, the external circuit 20 can utilize the modular signal conversion device 10 to output high-quality analog signals. The external circuit 20 capable of communication may correspond to the circuit 50 in the vehicle electronic device, the circuit 60 in the computer device, the circuit 70 in the audio device, and the circuit 80 in the mobile device.

The function performed by the processor 22 is to issue a command to transmit the discrete signal stored in the memory 24 to the modular signal conversion device 10, from the module The signal conversion device 10 receives the converted discrete signal, executes the calculation process, and displays it on the display device 26.

For example, the processor 22 may be a central processing unit (CPU) or a microprocessor (Microprocessor). If referring to FIG. 22 and FIG. 23, the processor 22 can receive the clock signals 582 and 592 and perform arithmetic processing on the synchronized control signals 584 and 594 and the clock signals 582 and 592 as described above.

The function of the memory 24 is to store discrete signals for transmission to the external modular signal conversion device 10 or the display device 26.

As an embodiment, the memory 24 has the same meaning as a memory device or a storage device, and may include a hard disk drive, a solid-state hard disk drive, and a random access memory (Randon Access Memory). In addition, it may be fixed in an external circuit 20 capable of communication, or it may have a separate type such as a portable drive.

The function performed by the display device 26 is to output the signal calculated by the processor 22 as a graphic image.

As an embodiment, the display device 26 divides the aforementioned graphic images into pixels and outputs them as sets of pixel values. The display device 26 can accept input from the user in a touch screen mode, but includes a liquid crystal display (Liquid Crystal Display) and an organic light-emitting diode (Organic Light-Emitting Diode) component display device. In addition, the display device 26 can display the play list of the audio playback device and the artist list of the digital content.

If referring to FIG. 2, the horizontal or vertical length of the modular signal conversion device 10 can be between 7 mm and 30 mm. If necessary, the size can be changed, and this will vary depending on the specifications of the connection portion of the external circuit 20.

Fig. 3 is an enlarged block diagram of the power supply unit in the embodiment of Fig. 1. Description will be given with reference to FIG. 4.

The power supply unit 100 includes a plurality of power supply units 120, 140, and 160 and a plurality of noise removal units 130, 150, and 170.

The power supply parts 120, 140, and 160 generate electrical energy through physical or chemical action. As an embodiment, the power supply parts 120, 140, and 160 may utilize potential differences derived from differences in metal ionization. In addition, the power supply units 120, 140, and 160 may have preset voltage values optimized for reducing the noise of the modular signal conversion device 10. The details of the power supply units 120, 140, and 160 are the same as those described above.

The noise removal units 130, 150, and 170 perform a function of removing noise caused by the power supply unit 100. The noise removal parts 130, 150, 170 may have a circuit structure in which electrical components are connected in sequence. The structure of the noise removal section is the same as the above same.

FIG. 4 is a circuit diagram of a noise removal section in which electrical components located in the power supply section are sequentially arranged in the embodiment of FIG. 1. Description will be given with reference to FIG. 3.

The internal circuits of the noise removal units 130, 150, 170 include a voltage input node 172, a voltage output node 174, an LDO (Low Drop Out) regulator 154, and capacitors 152, 156.

The voltage input node 172 is the part that generates power, which means the output part of the power supply parts 120, 140, 160, and the voltage output node 174 is the part that outputs the noise-removed voltage, and is connected to the first power terminal 320 and the second power source. The input of the terminal 420 is connected.

The graph 132 is a table for measuring the noise intensity of the voltage input node 172. The graph 134 is a table for measuring the noise intensity after the noise is removed for the first time. The graph 136 is a table for measuring the noise intensity after the noise is finally removed. The noise can be removed in stages, and the measured voltage of the voltage output node 174 can have a smooth value.

Fig. 5 is a conceptual diagram of the connecting portion in the embodiment of Fig. 1. Description will be given with reference to FIG. 2.

The connection part 200 includes a connection part 220 and an electrode 240.

The connection unit 200 receives the input discrete signal from the external circuit 20 capable of communication, transmits it to the data input unit 360 of the converter 300, and transmits the signal of the amplified signal output unit 480 of the amplifier unit 400 to an external device. Description will be made with reference to FIG. 18 and FIG. 19.

As an embodiment, the connecting part 200 can send and receive clock signals 582, 592 and control signals 584, 594 in the processor 22 in the external circuit 20 that can communicate, so as to prevent electrical signals from flowing into the air or the user's body. Can include insulating materials. The structure and shape of the connecting portion 200 can be changed according to the purpose of the external circuit 20 capable of communication.

The connecting portion 220 mechanically attaches the modular signal conversion device 10 to an external circuit 20 capable of communication.

As an embodiment, the connecting portion 220 may include a connector of a standardized specification. For the convenience of the user, the connecting portion 220 may have a connecting structure utilizing magnetic force, and may have a common detachable connecting structure. In addition, the material of the connecting portion 220 may include insulating materials to prevent leakage of electrical signals.

The electrode 240 transmits and receives electrical signals between the modular signal conversion device 10 and the external circuit 20. Description will be made with reference to FIG. 9, FIG. 18, and FIG. 19.

As an embodiment, the electrode 240 can be a discrete signal, a contact signal The signal and clock signal 582, 592 path may include a plurality of electrodes.

The structure and operation of the electrode 240 are the same as those described above.

Fig. 6 is a diagram showing an example of the connecting portion and the electrode in the embodiment of Fig. 1.

The connection part 200 includes a connection part 220 and an electrode 240.

The description of the connection part 200 is the same as the foregoing.

The description of the connecting portion 220 is the same as the foregoing.

The electrode 240 includes a guide shaft 242 and a guide hole 244.

As an embodiment, the guide shaft 242 is electrically separated from the guide hole 244 through which the power supply signal flows, and may include an insulating material. When pressurized with a force greater than the elastic force of the spring, the guide hole 244 performs the function of contacting the circuit to send and receive electrical signals. The guide hole 244 may include a conductive substance such as gold, silver, copper, and platinum. The shape of the connecting portion 220 and the electrode 240 is not limited to the shape of FIG. 6, and it may have various specifications capable of being connected to the external circuit 20 capable of communication.

Fig. 7 is an enlarged block diagram of the converter in the embodiment of Fig. 1.

The converter 300 includes a first power terminal portion 320, a clock input portion 340, a control signal receiving portion 380, a data input portion 360, a conversion portion 370, and an analog signal output portion 390.

The related matters of the first power terminal portion 320, the clock input portion 340, the control signal receiving portion 380, the data input portion 360, the conversion portion 370, and the analog signal output portion 390 are the same as those described above. If referring to FIG. 18 and FIG. 19, the clock input unit 340 can receive three kinds of clock signals 582 and 592 generated by the input clock generator 500. The description of the clock signals 582 and 592 is the same as the foregoing content.

As an embodiment, the analog signal output unit 390 inputs the converted analog signal. The analog signal output unit 390 has a total of 4 channels, including two RIGHT channels and two LEFT channels. The conversion unit 370 and the analog signal output unit 390 can be implemented in one device, and therefore, the conversion unit 370 can perform the function of outputting the amplified signal.

Fig. 8 is an enlarged block diagram of the enlarged part in the embodiment of Fig. 1. Description will be given with reference to FIG. 2.

The amplification part 400 includes a second power terminal part 420, an analog signal input part 440, an amplification part 460 and an amplification signal output part 480.

The second power terminal part 420, the analog signal input part 440, the amplification part The related matters of the 460 and the amplified signal output unit 480 are the same as the foregoing content.

As an example, the second power supply terminal part 420 may receive power supply from the power supply part 100 or from an external circuit 20 capable of communication including another power supply part. The amplifying section 400 can reduce the signal interference in the left and right output channels of the amplified signal output section 480, and may have a structure surrounded by GND (ground).

Fig. 9 is an enlarged block diagram of the mute part in the embodiment of Fig. 1.

The mute part 600 includes a first mute part 620, a second mute part 640, and a third mute part 660. If referring to FIGS. 7 and 16, the first-time mute part 620, the second-time mute part 640, and the third-time mute part 660 may have the circuit structure in FIG. 16.

The first mute section 620 performs the mute function for the first time, and the second mute section 640 receives as input the signal muted by the first mute section 620, and after performing the second mute function, transmits it to the third mute section 660. The third mute section 660 includes two output channels, left and right, and performs a final mute function. The details are the same as above. The mute part 600 may include an additional mute part according to the output of the modular signal conversion device 10.

FIG. 10 is an exemplary diagram of the housing and the shielding cover inside the modular signal conversion device according to an embodiment of the present invention.

The modular signal conversion device 10 has a power supply part 100, a converter 300, and an amplifying part 400, and includes a housing 700 and a shielding cover 800 that are located outside and enclosed.

The housing 700 is located outside of at least one of the power supply part 100, the converter 300, the amplifying part 400, the clock generation part 500, or the mute part 600, so as to perform the function of fixing the aforementioned equipment, and can perform the same function as the shielding cover 800. Function.

For example, the housing 700 may have a removable connection part with the shield cover 800, and the description of the material is the same as the foregoing content. In addition, in order for the housing 700 to make the modular signal conversion device 10 electrically contact the external circuit 20, at least a part of the connecting portion 200 can be exposed to the outside.

The shielding cover 800 performs a function for preventing the inflow of radiation noise.

As an embodiment, the material of the shielding cover 800 may be a material including at least one of nickel-brass or stainless steel, which may be used to prevent the inflow of radiation noise between internal devices (Devices).

FIG. 11 is a conceptual diagram illustrating the appearance of a modular signal conversion device according to an embodiment of the present invention. Description will be made with reference to FIG. 1.

As an embodiment, the appearance and internal block diagram of the modular signal conversion device 1000 can be changed according to the characteristics and purpose of the external circuit capable of communication. The modular signal conversion device 1000 is a collection of modular signal conversion devices that perform preset functions, and includes a power supply unit, a connection unit, a converter, an amplifier unit, a clock generation unit, and a mute unit. The modular signal conversion device in the modular signal conversion device 1000 may correspond to the 1100, 1200, 1300, 1400, 1500, and 1600 marks in FIG. 11. The number of devices in the modular signal conversion device 1000 can be different, and the functions of the blocks marked 1100, 1200, 1300, 1400, 1500, and 1600 can also be changed.

The modular signal conversion equipment 1000 adopts the modularization of the signal conversion equipment, including the modification and replacement of the modular signal conversion equipment, and the system can be freely changed according to user requirements. Ordinary users who use the modular signal conversion device 1000, and vehicle manufacturers who want advanced audio/home appliances and electronic devices, can modify the signal conversion device by themselves at low cost to obtain effects such as multi-line audio playback devices.

FIG. 12 is a conceptual diagram of the modularization of the internal equipment of a modular signal conversion device according to an embodiment of the present invention. Description will be made with reference to FIG. 1 and FIG. 2.

The internal equipment 2300, 2400 can be modularized and the modular signal conversion equipment 2000 includes a basic module 2600 and internal equipment modules 2300, 2400.

As an embodiment, the modular signal conversion device 2000 is not only the same as the modular signal conversion device 10, the device itself can be modularized, and the internal devices can also be modularized. The modular signal conversion equipment 2000 can modularize the basic module 2600, the removable converter 300, and the amplifying part 400 to include a total of three types of modules. Among them, the aforementioned basic module 2600 may include a power supply part 100, a connection Department 200 and so on. That is, not only the modularization of the modular signal conversion device 10 itself, but the user can also select the playback sound quality of various digital contents through the modularization of the internal equipment.

The basic module 2600 may include a power supply unit 100, a connection unit 200, etc., in the modular signal conversion device 2000, as a main module, it can include functions other than the modularized device.

FIG. 13 is a conceptual diagram depicting the appearance of the modular signal conversion device of an embodiment of the present invention in contact with the circuit inside the vehicle electronic device. Description will be given with reference to FIG. 2.

The function performed by the circuit 50 inside the vehicle electronic device is to transmit the discrete signal to be converted to the modular signal conversion device 10, receive the converted analog signal, and output it in the vehicle.

As an example, the internal circuit 50 of the vehicle electronic device may correspond to the external circuit 20 capable of communication, and the internal circuit of the vehicle electronic device 50 may include a connection part that can be electrically connected to the processor 22, the memory 24, the display part 26, and the modular signal conversion device 10.

For example, the size and specifications of the modular signal conversion device 10 can be changed according to the specifications of the circuit 50 inside the electronic device of the vehicle. Vehicle manufacturers who want advanced electronic devices can use the modular signal conversion device 10 at a low cost. Seek to improve the sound quality in digital signal equipment, especially in audio playback equipment.

FIG. 14 is a conceptual diagram depicting a modular signal conversion device of an embodiment of the present invention installed in a circuit in a computer device. Description will be given with reference to FIG. 2.

The function performed by the circuit 60 in the computer device is to transmit the discrete signal to be converted to the modular signal conversion device 10, and to receive the converted analog signal and output it.

As an embodiment, the circuit 60 in the computer device may correspond to the external circuit 20 capable of communication, and may include a connection portion that can be electrically connected to the processor 22, the memory 24, the display portion 26, and the modular signal conversion device 10 .

The description of the modular signal conversion device 10 is the same as the foregoing content.

Figure 15 depicts a modular signal conversion of an embodiment of the present invention A conceptual diagram of the equipment installed in the circuit inside the audio device. Description will be given with reference to FIG. 2.

The function performed by the circuit 70 in the audio device is to transmit the discrete signal to be converted to the modular signal conversion device 10, and to receive the converted analog signal and output it. Discrete signals can be digital content, and users can add modular signal conversion equipment 10 to listen to high-quality digital content.

As an embodiment, the circuit 70 in the audio device can correspond to the external circuit 20 capable of communication, and the circuit 70 in the audio device can include the processor 22, the memory 24, the display unit 26, and a modular signal conversion device. 10 The connection part of the electrical connection.

The description of the modular signal conversion device 10 is the same as the foregoing content.

FIG. 16 is a conceptual diagram depicting a circuit of the modular signal conversion device installed in a mobile device according to an embodiment of the present invention. Description will be given with reference to FIG. 2.

The function performed by the internal circuit 80 of the mobile device is to transmit the discrete signal to be converted to the modular signal conversion device 10, receive the converted analog signal, and output it through the speaker of the mobile device.

As an example, the internal circuit 80 of the mobile device may correspond to External circuit 20 capable of communication. The internal circuit 80 of the mobile device may include a connection part that can be electrically connected to the processor 22, the memory 24, the display part 26, and the modular signal conversion device 10.

The description of the modular signal conversion device 10 is the same as the foregoing content.

The case where the modular signal conversion device 10 contacts the internal circuit 80 of the mobile device is different from the case where it contacts the external circuit 20 capable of communication, and may have the form of a chip.

FIG. 17 is a conceptual diagram of a user interface and a graphical user interface (UI/GUI) that can be linked and changed with a modular signal conversion device according to an embodiment of the present invention.

The descriptions of the external circuit 20, the processor 22, the memory 24, and the display device 26 capable of communication are the same as those described above.

As an embodiment, the user interface and graphical user interface (UI/GUI) environment displayed in the display device 26 can be linked with the unique ID of the modular signal conversion device 10, and can be changed in accordance with the user's orientation. On the screen of the device 26, the color of the user interface UI is changed according to the content of the discrete signal received from the external circuit 20. When the aforementioned discrete signal is audio data, the artist's photo can be changed according to the type of track. The above-mentioned linkage can be achieved by simply changing the hardware, or software Way to execute.

As an embodiment, the modular signal conversion device 10 is combined with UI (USER INTERFACE) and GUI (GRAPHIC USER INTERFACE), which can be manufactured and delivered by itself, and the aforementioned modules can be authorized and licensed as a new business model. Create demand.

FIG. 18 is a flowchart of a modular signal conversion method according to an embodiment of the present invention. Description will be made with reference to FIG. 1, FIG. 2 and FIG. 19.

The modular signal conversion method includes the following steps executed by the modular signal conversion device in time sequence.

In S200, the modular signal conversion device 10 confirms whether it is in electrical contact with an external circuit 20 capable of communication.

As an embodiment, in order to confirm whether the modular signal conversion device 10 is in normal contact with the external circuit 20, the contact signal and the received signal can be used to confirm. The contact signal is a signal to inform the external circuit 20 that can communicate that the modular signal conversion device 10 has been in normal contact, and the reception signal is to inform the modular signal conversion device 10 that the external circuit 20 that can communicate receives the contact signal and communicates with it. Correspondingly, the signal is prepared to transmit discrete signals. The modular signal conversion device 10 can receive discrete signals when it is in normal contact with the external circuit 20 capable of communication.

In S300, the converter 300 converts the discrete signal received by the external circuit 20 capable of communication into an analog signal for output.

The details of the converter 300 are the same as those described above.

In S400, the amplifying part 400 amplifies and outputs the electrical analog signal converted by the converter 300. The details are the same as above.

The modular signal conversion device 10 implements a modular signal conversion method, and may also include a step of receiving power supply and a step of making electrical contact.

Fig. 19 is an enlarged flowchart of the confirmation step in the embodiment of Fig. 18. Description will be made with reference to FIG. 2 and FIG. 18.

In S220, when the modular signal conversion device 10 is in normal contact with the external circuit 20 capable of communication, a contact signal is sent. The description of the contact signal is the same as the previous content.

In S240, when the external circuit 20 capable of communication receives the aforementioned contact signal, it transmits a received signal indicating that it is ready to transmit a discrete signal. The sequence of the steps for the modular signal conversion device 10 to confirm whether it can be electrically contacted with the external circuit 20 capable of communication can be changed as needed Even.

FIG. 20 is a diagram showing an example of the circuit structure of a mute section according to an embodiment of the present invention. Description will be made with reference to FIG. 1 and FIG. 21.

The mute part 600 performs the function of adjusting the high output of the modular signal conversion device 10.

As an embodiment, the mute circuit in the mute section 600 includes input terminals 612 and 614 of the mute section, output terminals 662 and 664 of the mute section, a plurality of field effect transistors (Field Effect Transistors), resistors and capacitor elements. The input terminals 612 and 614 of the mute section receive the signal output by the amplified signal output section 480 as input, and the output terminals 662 and 664 of the mute section perform the function of outputting the muted amplified signal and transmitting it to the connecting section 200.

As an embodiment, the mute part 600 is different from a single FET (Field Effect Transistor) structure of a common mute circuit, and can be composed of a dual FET (Field Effect Transistor). The structure of the DRAIN facing each other can solve the POP noise 672 that is enhanced to the negative end. The POP noise 672, 674 is the noise generated when the power is supplied or interrupted, and it refers to the noise generated by the voltage of the charged capacitor when a circuit with a capacitor with a charged voltage is connected to other circuits.

Fig. 21 is a measurement diagram of the intensity of POP noise removed by the silent part. Description will be made with reference to FIG. 1 and FIG. 20.

For example, in a modular signal conversion device that does not have the mute section 600, as shown in FIG. 20, noise leaking to the negative terminal may be generated. POP noise 672, 674 is generated by capacitors such as voltage charging components in the circuit, and when power is supplied or interrupted to the circuit, or when the circuit is connected to other circuits.

The vertical axis marked by labels 1 and 2 in FIG. 21 can mean the effective voltage value.

FIG. 22 is a conceptual diagram of synchronization using a clock signal and a control signal of a processor according to an embodiment of the present invention. Description will be made with reference to FIG. 1, FIG. 2 and FIG. 23.

The processor 22 generates a control signal 594 synchronized with the clock signal 592.

As an embodiment, the processor 22 may be located in an external circuit 20 capable of communication. The processor 22 transmits a control signal in order to perform synchronization required to finally determine the operating time between devices including the converter 300 and the like. The description of the aforementioned clock signal is the same as the aforementioned content.

The description of the converter 300 is the same as the foregoing.

As an embodiment, the converter 300 receives the clock signals 582 and 592 generated by the phase synchronization circuit (Phased lock loop) in the processor 22 so as to synchronize with the control signal in the processor. Synchronization is to unify the reference time of the clock signal, so as to eliminate the time transition of the clock signal 592 used as the reference by the processor 22 and the converter 300. Synchronization can mean the consistency of the operating time of the system and the consistency of the data in the database.

FIG. 23 is a conceptual diagram of a clock signal and control signal synchronization scheme using an internal phase synchronization circuit (Phased lock loop) according to an embodiment of the present invention. Description will be made with reference to FIG. 1 and FIG. 22.

The function of the clock generator 500 is to use an internal phase synchronization circuit to generate a clock signal 582 and a control signal 584 for synchronization of clock signals between devices, and transmit them to the processor 22 and the converter 300. The description of the clock signal 582 is the same as the foregoing content.

The processor 22 receives the clock signal 582 and the control signal 584 from the clock generator 500, and transmits the control signal 584 required to determine the final operating time between the devices to the converter 300.

The converter 300 receives the clock signal 582 from the clock generator 500, receives the control signal from the clock generator 500 and the processor 22, and converts the discrete signal into an analog signal.

In FIG. 23, the difference in signal flow between devices lies in the advantages of using the clock signal 582 generated by the clock generator 500 to convert the converter 300 using the clock signal 582 generated in the modular signal conversion device 10 The description is the same as the previous content.

FIG. 24 is an example of a circuit diagram having a structure in which the output channel of the amplifying section is surrounded by a ground according to an embodiment of the present invention. Description will be made with reference to FIG. 1.

As an embodiment, the amplifying unit 400 may have a structure surrounded by a ground (GND) 482 to reduce signal interference in the left and right output channels of the amplified signal output unit 480.

For example, the amplified signal output unit 480 includes two output channels, left and right, and uses CROSS TALK as a reference for evaluating signal interference. Crosstalk (CROSS TALK) refers to the channel separation. The higher the channel separation, the less interference the output signal of the amplifier 400 will be, and a clear amplified signal can be output.

The details of the ground (GND) 482 are the same as above.

As an embodiment, the analog signal output part 390 may have a ground (GND) 482 structure in the internal circuit, and the noise removal parts 130, 150, 170 may also have a ground (GND) 482 structure in the internal circuit.

The whole or part of the method of one embodiment of the present invention described above may be embodied in the form of a computer-runable recording medium such as a program module that is run by a computer. Among them, the computer-readable medium can be any available medium that can be accessed by the computer, and all include electrical and non-electrical media, separate and non-separable media. In addition, computer-readable media may all include computer storage media and communication media. Computer storage media all include electrical-dependent and non-dependent, separate and non-separable media embodied by any method or technology for storing information such as computer-readable commands, data structures, program modules, or other data.

In addition, all or part of the method of an embodiment of the present invention may also include commands that can be executed by a computer, and may be embodied by a computer program (or computer program product) recorded on a medium. The computer program may include programmable mechanical commands processed by the processor, and may be embodied in high-level programming language, object-oriented programming language, assembly language, or mechanical language. In addition, the computer program can be recorded on a tangible computer-readable recording medium (for example, memory, hard disk, magnetic/optical medium, or SSD (Solid-State Drive), etc.).

Therefore, the method of an embodiment of the present invention can be embodied by running the computer program as described above with the aid of a computing device. Computing devices can include processors, memory, storage devices, high-speed interfaces connected to memory and high-speed expansion ports, and low-speed interfaces connected to low-speed buses and storage devices At least part of. Such components can be connected to each other by various buses, mounted on a common main board or installed in other suitable ways.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains will understand that various modifications, changes and substitutions can be made within the scope of the essential characteristics of the present invention. . Therefore, the embodiments and drawings disclosed in the present invention are not intended to limit but to illustrate the technical ideas of the present invention, and the scope of the technical ideas of the present invention is not limited by such embodiments and drawings. The protection scope of the present invention should be interpreted according to the attached patent scope, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

10‧‧‧Modular signal conversion equipment

100‧‧‧Power Department

200‧‧‧Connecting part

300‧‧‧Converter

400‧‧‧Magnifying Department

500‧‧‧Clock Generator

600‧‧‧Silent Department

Claims (17)

A modular signal conversion device, the aforementioned modular signal conversion device can be combined with an external circuit, the aforementioned modular signal conversion device includes: a power supply part, which supplies power; a connection part, which is in electrical contact with the aforementioned external circuit; A converter that receives power from the power supply unit and converts the discrete signal transmitted from the connection portion into an analog signal; and an amplifying unit that amplifies the analog signal converted by the converter, wherein the power supply unit includes: a plurality of Separate power supply parts; and a plurality of separate noise removal parts, which are connected to the plurality of separate power supply parts, and have a structure in which electrical components for removing noise in stages are sequentially arranged, wherein the power supply part is borrowed The noise removal unit cuts off the noise caused by the power supply unit and supplies power, wherein the noise removal unit includes a first noise removal unit, a second noise removal unit, a third noise removal unit, and a second noise removal unit. Four noise removal parts, wherein one end of the first noise removal part is connected to the voltage input node, and the other end of the first noise removal part is connected to one end of the second noise removal part and the third noise One end of the removing part, wherein the other end of the second noise removing part is grounded, and the other end of the third noise removing part is connected to the One end of the fourth noise removal part and the voltage output node, and wherein the other end of the fourth noise removal part is grounded. The modular signal conversion device described in claim 1, wherein the connection portion includes: an electrode for electrical contact with the external circuit; and a connection portion for mechanically coupling with the external circuit . The modular signal conversion device described in claim 1, further comprising: a housing located outside and surrounding the power supply part, the converter, and the amplifying part, the housing being equipped so that at least a part of the connecting part Exposed to the outside. The modular signal conversion device described in claim 2, which further includes a housing located outside and surrounding the power supply part, the converter, and the amplifying part, and the housing is equipped so that at least a part of the electrode is exposed External; wherein, the connecting portion is equipped to be able to use magnetic force to be detached from the external circuit. The modular signal conversion device described in claim 2, wherein the electrode is a pin structure, which includes a guide shaft that operates with a spring, and a guide hole capable of transmitting electrical signals to the inside of the guide shaft, and should be larger than the spring When pressurized by the force of the elastic force, the guide hole is in contact with the external circuit. Such as the modular signal conversion equipment described in claim 1, where the former The converter receives the input synchronized control signal and clock signal from the aforementioned external circuit, and uses the received input synchronized control signal and clock signal to convert the aforementioned discrete signal into the aforementioned analog signal. The modular signal conversion device described in claim 6, wherein the converter has an interface structure for receiving the clock signal and the discrete signal transmitted from the connecting portion in a cable, and the cable is a coaxial cable or At least one of optical fiber cables; the aforementioned converter converts the aforementioned discrete signal into the aforementioned analog signal through the aforementioned interface structure. The modular signal conversion device described in claim 3, wherein the aforementioned converter has a partition structure in which the digital signal and the analog signal do not overlap, and the internal circuit wiring interval is a predetermined distance or more. The modular signal conversion device described in claim 4, further comprising: a shielding cover located outside the power supply part, the converter, the amplifying part, and the housing and surrounding it to prevent the inflow of radiated noise In the power supply unit, the converter, the amplifying unit, and the housing, the material of the shielding cover is a material including at least one of nickel brass or stainless steel. The modular signal conversion device described in claim 8, wherein the amplifying part includes a plurality of output channels, and the plurality of output channels In order to reduce the signal interference phenomenon between the multiple output channels mentioned above, the internal circuit is a structure that surrounds each output channel with ground. The modular signal conversion device described in claim 10, wherein the amplifying part and the converter each have a filter for cutting off noise generated by the power supply part. The modular signal conversion device described in claim 1, further comprising: a clock generation unit that generates a clock signal that determines the operating time of the aforementioned modular signal conversion device; the aforementioned time generated by the aforementioned clock generation unit The pulse signal is input to the processor of the aforementioned external circuit and the aforementioned converter of the aforementioned modular signal conversion equipment. The modular signal conversion device described in claim 1, further comprising: a mute part that adjusts the output of the aforementioned modular signal conversion device, wherein the mute part includes when the negative terminal POP noise occurs based on a predetermined time The first muting section for muting audio and the second muting section for muting the audio when the positive end POP noise occurs based on the predetermined time, wherein the first muting section is implemented to include a first A dual FET of a FET and a second FET, the first FET and the second FET are arranged such that the drain and source of the first FET and the drain and source of the second FET face each other, and Wherein, the aforementioned second mute part is implemented as a dual FET including a third FET and a fourth FET, and the aforementioned third FET and the aforementioned fourth FET are arranged such that the drain and source of the aforementioned third FET and the aforementioned fourth FET The drain and source of the FET face each other. A modular signal conversion method includes the following steps: receiving power from a power supply part inside the modular signal conversion device; confirming whether the aforementioned modular signal conversion device is in electrical contact with an external circuit; the aforementioned modular signal conversion device accepts The discrete signal transmitted from the aforementioned external circuit, and the aforementioned discrete signal is converted into an analog signal; and the aforementioned analog signal is amplified, wherein the step of receiving the power includes receiving the noise by removing the noise caused from the power section A power supply, wherein the power supply unit includes: a plurality of separate power supply units; and a plurality of separate noise removal units, which are connected to the plurality of separate power supply units, and have electrical components arranged in sequence for removing noise in stages. The structure of the device, wherein the aforementioned noise removal portion includes a first noise removal portion, a second noise removal portion, a third noise removal portion, and a fourth noise removal portion, wherein the first noise removal portion One end is connected to the voltage input node, and the other end of the first noise removal part is connected to one end of the second noise removal part and one end of the third noise removal part, Wherein, the other end of the second noise removing part is grounded, and the other end of the third noise removing part is connected to one end of the fourth noise removing part and the voltage output node, and the fourth noise removing part is connected to the voltage output node. The other end of the removed part is grounded. For example, the modular signal conversion method described in claim 14, wherein the step of confirming includes: when the contact with the external circuit is normally achieved, the modular signal conversion device will be ready to receive the discrete signal The contact signal is sent to the aforementioned external circuit; and the aforementioned modular signal conversion device receives the response signal to the aforementioned contact signal from the aforementioned external circuit; the aforementioned modular signal conversion device receives the aforementioned response signal from The aforementioned external circuit receives discrete signals. The modular signal conversion method described in claim 15, wherein the step of performing the conversion further includes: the step of receiving synchronized control signals and clock signals from the aforementioned external circuit; the aforementioned modular signal conversion device uses the aforementioned The synchronized control signal and the aforementioned clock signal convert the aforementioned discrete signal into the aforementioned analog signal. The modular signal conversion method described in claim 14, wherein the step of performing the conversion is such that the discrete signal and the analog signal do not overlap, and an internal circuit with a separation structure with a wiring interval greater than a preset distance is used Perform the conversion.

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