KR101845171B1 - Foldable sound camera - Google Patents

Abstract

There is provided a foldable acoustic camera including a folding portion connected to the wing portion and extending in the radial direction or connecting the different wing portions. Wherein the folding acoustic camera includes a first array in which a plurality of microphones are disposed, the plurality of wings extending radially about a first position of the folding acoustic camera, And may include a plurality of folds including a second array and connected to a second position of the first wing of the plurality of wings and extending radially or connecting the first wing and the second wing .

Description

Foldable sound camera {FOLDABLE SOUND CAMERA}

And more particularly to a foldable acoustic camera device implemented with a carbon fiber.

에서

의 온도 범위에서 신뢰성을 가지며 습도 및 복잡한 온도 변동에도 신뢰성을 유지할 수 있다.The acoustic camera is a state-of-the-art equipment that visualizes and utilizes sound, and is a new technology equipment used in various fields such as multimedia information communication equipment, home appliance, automobile, and construction. Generally, a diaphragm that performs a mechanical or electrical reaction in a capacitive microphone used in an acoustic camera is made of a dielectric such as a polysilicon, a silicon nitride film, or a silicon oxide film.

in

Lt; RTI ID = 0.0 > temperature, < / RTI > and reliability can be maintained even with humidity and complex temperature variations.

Japanese Patent Laid-Open Publication No. 10-0838239 discloses a sound sensing unit for sensing sound generated from a sound source; A background photographing unit photographing a background where the sound source is located; A sound source signal generator for generating a sound source signal which is a sound signal on a sound source surface on which the sound source is located by sequentially performing Fourier transform, beamforming, and inverse Fourier transform on the sound signal sensed by the sound sensing unit; Discloses a sound quality display apparatus which performs processing of 1/3 octave band analysis processing, loudness weight application processing on the sound source signal, processing of calculating loudness index by determining a loudness index in a predetermined loudness index, and displaying sound quality image data .

KR 10-0838239

According to one aspect of the present invention, there is provided a foldable acoustic camera including a folding portion connected to the wing portion and extending radially together or connecting the different wing portions. Wherein the folding acoustic camera includes a first array in which a plurality of microphones are disposed, the plurality of wings extending radially about a first position of the folding acoustic camera, And may include a plurality of folds including a second array and connected to a second position of the first wing of the plurality of wings and extending radially or connecting the first wing and the second wing .

According to one embodiment, the plurality of fold portions may connect the end points of each of the plurality of wing portions to each other when the folding acoustic camera operates in the first mode. In addition, the plurality of folds may include a circular ring connecting the end points of the plurality of wing portions to each other when the folding type acoustic camera operates in the first mode for increasing the accuracy of a depth value obtained by the folding acoustic camera And the second electrode layer.

According to another embodiment, the plurality of folds may be arranged such that when operating in a second mode of increasing the effective distance of the depth value obtained by the folding acoustic camera, And extends in the radial direction.

According to another embodiment, the plurality of microphones may be implemented as a micro-electro-mechanical systems (MEMS) microphone.

According to another embodiment, the plurality of wings and the plurality of folds may be formed of a carbon fiber.

According to another embodiment of the present invention, there is provided a communication system including a communication unit for receiving a control command related to an operation mode of the folding acoustic camera from a predetermined user terminal, and a control unit for automatically controlling a folding state of the plurality of folding units based on the control command And a control unit for generating the control signal.

According to another aspect, there is provided a method of producing a folding acoustic camera including a radially extending wing portion and a folded portion connected through a foldable fastening means. The method of producing a folding acoustic camera includes the steps of connecting a first substrate with a plurality of microphones arranged thereon to a housing area of at least one wing, connecting the at least one wing in a radial direction from a center of the folding acoustic camera, Connecting a second substrate on which the plurality of microphones are arranged to a housing area of at least one folding section and connecting the at least one folding section to each of the at least one wing section using foldable fastening means connected to an end point of the wing section .

According to an embodiment of the present invention, the at least one wing may include a hole area corresponding to an inner space to be connected to the at least one fold, as the folding fastening means. And a second fold portion adjacent to the first fold portion is connected to a hole region of the first wing portion in accordance with a folding mode of the folding acoustic camera when the first fold portion is connected to the end point of the first wing portion have.

1A is a front view of a folding acoustic camera operating in a first mode according to one embodiment.
1B is a rear view of a folding acoustic camera operating in a first mode according to one embodiment.
2A is a front view of a folding acoustic camera operating in a second mode according to another embodiment.
2B is a rear view of a folding acoustic camera operating in a second mode according to one embodiment.
3 shows a block diagram of a folding acoustic camera according to an embodiment.
Fig. 4 shows an exemplary view specifically showing a configuration of a folding portion according to an embodiment.
Fig. 5 shows an exemplary diagram specifically showing a configuration of a wing portion according to an embodiment.
6 is a flowchart showing a production method of a folding acoustic camera according to an embodiment.

Specific structural or functional descriptions of embodiments are set forth for illustration purposes only and may be embodied with various changes and modifications. Accordingly, the embodiments are not intended to be limited to the specific forms disclosed, and the scope of the disclosure includes changes, equivalents, or alternatives included in the technical idea.

The terms first or second, etc. may be used to describe various elements, but such terms should be interpreted solely for the purpose of distinguishing one element from another. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected or connected to the other element, although other elements may be present in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises ", or" having ", and the like, are used to specify one or more of the described features, numbers, steps, operations, elements, But do not preclude the presence or addition of steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning of the context in the relevant art and, unless explicitly defined herein, are to be interpreted as ideal or overly formal Do not.

1A is a front view of a folding acoustic camera operating in a first mode according to one embodiment. Referring to Figure 1A, there is shown a foldable acoustic camera implemented to operate in a first mode. The first mode may indicate a mode of adjusting the folding state of the acoustic camera such that a plurality of microphones included in the folding acoustic camera are arranged within a predetermined distance range.

1A, a folding acoustic camera includes a wing 110 extending in a radial direction with respect to a center and a wing 110 extending in the same radial direction or connected to an end point of the wing, And a folding part 120 arranged to connect the first wing part and the second wing part. An embodiment in which the folding portion 120 extends in the same radial direction as the wing portion 110 will be described in more detail with reference to the following drawings.

Each of the wing part 110 and the folding part 120 may include a plurality of microphones based on predetermined intervals. Illustratively, a plurality of microphones included in each of the wing portion 110 and the folding portion 120 may represent an array type mounted on a printed circuit board (PCB). The wing portion 110 and the folding portion 120 according to the present embodiment may include a printed circuit board including a microphone array and a housing region constituting a skeletal structure of an acoustic camera. The folding acoustic camera according to the present embodiment can be implemented such that the housing area and the printed circuit board are detachable. Accordingly, the user can adjust the performance of the sound camera by inserting the printed circuit board corresponding to the specification of the desired sound camera into the sound camera. In addition, the user may upgrade the performance of the entire acoustic camera by inserting a printed circuit board having a function improved in the acoustic camera.

1B is a rear view of a folding acoustic camera operating in a first mode according to one embodiment. Referring to FIG. 1B, there is shown a combined wing 110 and fold 120 in a first mode of a folding acoustic camera. A fastening means for housing a plurality of vanes 110 may be disposed at the center of the folding acoustic camera. More specifically, the fastening means disposed at the center portion may include a housing space into which the plurality of wing portions 110 can engage.

In this embodiment, the wing portion 110 is shown extending radially from the central fastening means in a spiral shape, but this should not be construed as limiting or limiting the scope of other embodiments. For example, embodiments in which the wings 110 are linearly shaped and extend in the radial direction with respect to the center of the folding acoustic camera may also be implemented. In this embodiment, eight wing portions 110 are arranged on the basis of the central fastening means, but this should not be construed as limiting or limiting the scope of other embodiments. For example, variations of various embodiments such as five wing portions 110 or ten wing portions 110 may be arranged based on the center portion of the folding acoustic camera.

2A is a front view of a folding acoustic camera operating in a second mode according to another embodiment. Referring to Fig. 2A, a folding acoustic camera is shown implemented to operate in a second mode. In the second mode, the folding portion is expanded so that the distance covered by the plurality of microphones disposed in the folding acoustic camera is maximized, and the folding state is adjusted so that the image data acquired by the acoustic camera covers a wider range. Can be displayed.

As shown in FIG. 2A, the folding acoustic camera includes a wing portion 210 extending in a radial direction with reference to a fastening means at the center portion, and a folding portion 210 connected to an end point of the wing portion 210 and extending together in the same radial direction. (Not shown).

The folding acoustic camera according to the present embodiment is implemented in a form in which the wing portion 210 and the folding portion 220 are extended in the same direction and a wider distance image can be obtained through acoustic sensing using a microphone. Illustratively, the diameter of the imaginary circle corresponding to the space in which the wing portion 210 and the fold 220 are deployed may be about 1.2 m. The foldable acoustic camera according to the present embodiment can cover a frequency range from 250 Hz to 8000 Hz as a visible frequency.

2B is a rear view of a folding acoustic camera operating in a second mode according to one embodiment. Referring to FIG. 2B, a combined wing 210 and fold 220 in a second mode of a folding acoustic camera are shown. A plurality of microphones may be disposed in the wing portion 210 and the folding portion 220. More specifically, each of the plurality of microphones may be implemented as a micro-electro-mechanical systems (MEMS) microphone. Illustratively, the MEMS microphone can detect a change in capacitance due to a negative sound pressure when a direct current bias voltage is applied between the diaphragm and the reference plate. Accordingly, when the MEMS microphone is used, the effect of reducing the sensitivity of the influence of the external environment such as mechanical vibration, temperature change, and electromagnetic field interference can be expected.

3 shows a block diagram of a folding acoustic camera according to an embodiment. 3, the folding type acoustic camera 300 may include a plurality of wing portions 310, a plurality of folding portions 320, a communication portion 330, and a control portion 340. The plurality of wing portions 310 may include a first array in which a plurality of microphones are disposed. More specifically, the first array may represent an array in which a plurality of microphones are implemented in a predetermined shape on a printed circuit board. Each of the plurality of wings 310 may be embodied as extending radially about a first position of the foldable acoustic camera 300.

The plurality of folding portions 320 may include a second array in which a plurality of microphones are disposed. The second array may also represent an array in which a plurality of microphones are implemented in a predetermined shape on a printed circuit board. Each of the plurality of folding portions 320 may be connected to a second position of any one of the plurality of wings 310. Illustratively, the second position of the first wing portion may indicate an end point in the radial direction with respect to a center portion of the folding acoustic camera 300. [ More specifically, the plurality of wing portions 310 may include a hole area corresponding to an inner space to be connected to each of the plurality of folding portions 320, as foldable fastening means.

Each of the plurality of wing portions 310 may include a first fastening means and a second fastening means for connecting to the plurality of folding portions 320. More specifically, the first fastening means may be realized by connection means such as bolts and nuts, and each of the plurality of wing portions 310 may be fixedly connected to any one of the plurality of folding portions 320. In addition, the second fastening means includes a hole region for connecting to the plurality of folding portions 320, and the hole region includes an inner space for accommodating the plurality of folding portions 320 and a plurality of folding portions 320 The frame can be implemented as a frame for supporting.

More specifically, the second fastening means may be connected to each of the plurality of folding portions 320 different from the wing portion connected by the first fastening means. Illustratively, there may be a case where the first wing portion is connected to the first folding portion through the first fastening means. In this case, the first wing portion may implement the first mode of the folding type acoustic camera 300 by supporting the second folding portion on the frame existing in the second fastening means. The second folding portion may be a folding portion different from the first folding portion and may be a folding portion connected to the first fastening means of the second wing portion adjacent to the first wing portion.

In one embodiment, when the folding acoustic camera 300 operates in the first mode, the plurality of folds 320 may be characterized by connecting the end points of each of the plurality of wings 310 to each other. More specifically, the first mode of the folding acoustic camera 300 may represent a mode for increasing the accuracy of the obtained depth value. The plurality of folding portions 320 may connect the plurality of end points of the plurality of wing portions 310 to each other to form a circular ring. The circular ring described in the present embodiment is an exemplary description only and should not be construed as limiting or limiting the scope of the rights of other embodiments.

In another embodiment, when the folding acoustic camera 300 is operated in the second mode, the plurality of folds 320 extend radially about a second position connected to the plurality of wings 310 . More specifically, the second mode of the folding acoustic camera 300 may increase the effective distance with respect to the depth value obtained, thereby indicating a mode of widening the range covered by the folding acoustic camera 300. [

Illustratively, each of the plurality of wing portions 310 and the plurality of fold portions 320 may include a printed circuit board region including a plurality of microphones and a housing region formed of a carbon fiber. The plurality of microphones may be implemented as digital MEMS microphones.

The communication unit 330 may receive a control command related to the operation mode of the folding acoustic camera 300 from a predetermined user terminal. The user terminal may be a laptop computer, a mobile phone, a smart phone, a tablet PC, a mobile internet device (MID), a personal digital assistant (PDA), an enterprise digital assistant (EDA) , A portable game console (handheld console), an e-book, or a smart device. For example, a smart device may include a smart watch or a smart band.

The communication unit 330 may receive a control command regarding the operation mode of the folding acoustic camera 300 from the user terminal using a communication interface. The communication interface may be a wireless interface such as a wireless LAN (WLAN), a wireless fidelity (WiFi) direct, a DLNA (Digital Living Network Alliance), a Wibro (Wireless broadband), a Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) May include an Internet interface and a short range communication interface such as Bluetooth (TM), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), UWB (Ultra Wideband), ZigBee, NFC . In addition, the communication interface may represent any interface (e.g., a wired interface) capable of communicating with the outside.

The control unit 340 may generate a control signal for automatically controlling the control states of the plurality of folding units 320 based on the received control command. More specifically, the control unit 340 generates either the first control signal corresponding to the first mode of the folding acoustic camera 300 and the second control signal corresponding to the second mode based on the received control command . The folding acoustic camera 300 according to the present embodiment can automatically correct the operation mode according to a control command of the user and can increase the accuracy of the depth value of the generated image data or increase the acquisition range of the depth value You can select either one automatically.

Fig. 4 shows an exemplary view specifically showing a configuration of a folding portion according to an embodiment. Referring to FIG. 4, a printed circuit board region 410 and a housing region 420 included in the fold portion are shown. Illustratively, printed circuit board area 410 may comprise a plurality of microphones arranged based on a predetermined number and spacing. In addition, the housing area 420 may include securing means for securing the printed circuit board area 410. The printed circuit board area 410 may be secured to the folding acoustic camera through the frame and fastening means contained within the housing area 420.

Fig. 5 shows an exemplary diagram specifically showing a configuration of a wing portion according to an embodiment. Referring to FIG. 5, a printed circuit board region 510 and a housing region 520 included in the wing portion are shown. The housing area 520 of the wing portion may include at least two fastening means. Illustratively, the first wing portion is connected to the first folding portion through the first fastening means, and can be connected to the second folding portion through the second fastening means. Since the detailed description of the first fastening means and the second fastening means is the same as that described above, the duplicated description will be omitted.

6 is a flowchart showing a production method of a folding acoustic camera according to an embodiment. Referring to FIG. 6, a method of manufacturing a folding acoustic camera includes connecting (610) a first substrate having a plurality of microphones arranged thereon to a housing area of at least one wing, the at least one wing being connected to the center of the folding acoustic camera (630) connecting a second substrate on which the plurality of microphones are arranged to a housing area of at least one folding portion, and connecting the at least one folding portion to a folding portion And connecting (640) each of the at least one wing using fastening means.

In step 610, a first substrate on which a plurality of microphones are arranged may be connected to the housing area of each of the at least one wing. In one embodiment, the connection may be performed in such a manner that the fixing pin is inserted into the hole area included in the housing area of each of the first substrate and the at least one wing.

In step 620, the at least one wing portion may be radially connected from the center of the folding acoustic camera. In one embodiment, the at least one wing can be implemented in a spiral shape. In another embodiment, the at least one wing portion may be implemented in a straight line shape.

In step 630, a second substrate on which a plurality of microphones are arranged may be connected to the housing area of each of the at least one fold. In one embodiment, the first substrate and the at least one fold portion may be connected to each other through fastening means such as bolts and nuts.

In step 640, the at least one fold may be connected to each of the at least one wing using foldable fastening means connected to an end of the wing.

The steps 610, 620, 630, and 640 described in this embodiment are described in order to facilitate understanding of the inventive concept, but are not limited or limited to the sequential relationship of the specific series of steps. For example, in step 610, a first substrate on which a plurality of microphones are arranged is connected to a housing area of at least one wing, and a second substrate on which a plurality of microphones are arranged, as in step 630, Embodiments that perform step 620 and step 640 after coupling with the housing area of the minor part will also be feasible.

The embodiments described above may be implemented in hardware components, software components, and / or a combination of hardware components and software components. For example, the devices, methods, and components described in the embodiments may be implemented within a computer system, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, such as an array, a programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

Although the embodiments have been described with reference to the drawings, various technical modifications and variations may be applied to those skilled in the art. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Claims (12)

In a folding acoustic camera,
A plurality of wings including a first array in which a plurality of microphones are disposed, the wings extending radially about a first position of the folding acoustic camera; And
A second array of the plurality of microphones disposed thereon and connected to a second position of the first wing portion of the plurality of wing portions and extending in a radial direction or connecting the first wing portion and the second wing portion The folded portion
Lt; / RTI >
Wherein the plurality of folds are arranged in a circular shape that connects the end points of each of the plurality of wings when they operate in a first mode for increasing the accuracy of the depth value obtained by the folding acoustic camera Of the folded sound camera.
delete delete In a folding acoustic camera,
A plurality of wings including a first array in which a plurality of microphones are disposed, the wings extending radially about a first position of the folding acoustic camera; And
A second array of the plurality of microphones disposed thereon and connected to a second position of the first wing portion of the plurality of wing portions and extending in a radial direction or connecting the first wing portion and the second wing portion The folded portion
Lt; / RTI >
Wherein the plurality of folds extend radially about the second position coupled to the plurality of wings when operating in a second mode of increasing the effective distance of the depth value obtained by the folding acoustic camera Wherein the folding type camera is a folding type camera.
The method according to claim 1,
Wherein the plurality of microphones are implemented as digital micro-electro-mechanical systems (MEMS) microphones.
The method according to claim 1,
Wherein the plurality of wings and the plurality of folds are formed of a carbon fiber.
The method according to claim 1,
A communication unit for receiving a control command related to an operation mode of the folding acoustic camera from a predetermined user terminal; And
A control unit for generating a control signal for automatically controlling the folding state of the plurality of folding units based on the control command,
Wherein the folding sound camera further comprises:
delete delete delete delete delete

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