WO2022270864A1 - 골프공 선별 장치 - Google Patents
골프공 선별 장치 Download PDFInfo
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- WO2022270864A1 WO2022270864A1 PCT/KR2022/008762 KR2022008762W WO2022270864A1 WO 2022270864 A1 WO2022270864 A1 WO 2022270864A1 KR 2022008762 W KR2022008762 W KR 2022008762W WO 2022270864 A1 WO2022270864 A1 WO 2022270864A1
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- golf ball
- support
- electromagnetic wave
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- sorting device
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Classifications
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- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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Definitions
- the present invention relates to a golf ball sorting apparatus, and more particularly, to a golf ball sorting apparatus capable of sorting high-quality balls having a uniform inner and outer surface and close to symmetry using electromagnetic wave signals. It is about.
- Defects due to damage to the outer skin can be directly detected by a person through visual or tactile senses, or can be detected by image analysis after image capture.
- a method to check defects due to the tilt of the core or defects due to imbalance of the internal medium is to float a golf ball in a liquid mixed with salt water and surfactant, but it takes a long time to sort and apply to the production process not suitable for Therefore, there is currently no suitable means for detecting the imbalance of the medium inside the golf ball.
- an object of the present invention is to solve such conventional problems, by transmitting an electromagnetic wave signal toward a golf ball, receiving an electromagnetic wave signal transmitted or reflected by the golf ball, and analyzing it to ensure that the inside is uniform and has a quality close to symmetry.
- An object of the present invention is to provide a golf ball selection device capable of selecting good golf balls.
- a measurement unit for transmitting a signal toward a golf ball and receiving a signal reflected from the golf ball or a signal transmitted through the golf ball; and an analyzer configured to select a golf ball by analyzing the received signal.
- the measurement unit rotation support for rotatably supporting the golf ball; an electromagnetic wave transmission antenna disposed on one side of the golf ball to transmit electromagnetic waves toward the golf ball; and an electromagnetic wave receiving antenna disposed on the other side of the golf ball to receive electromagnetic waves transmitted from the electromagnetic wave transmitting antenna.
- the measurement unit rotation support for rotatably supporting the golf ball;
- An electromagnetic wave transmission/reception antenna disposed on one side of the golf ball to transmit electromagnetic waves toward the golf ball and receive reflected electromagnetic waves.
- the rotational support is a golf ball support for supporting the golf ball to be spaced vertically from the ground; and a rotating means for rotating the golf ball support around a vertical axis, spaced apart from the golf ball support, and the electromagnetic wave transmitting antenna and the electromagnetic wave receiving antenna on a plane parallel to a golf ball supported by the golf ball support. It may include a first antenna support and a second antenna support for respectively supporting.
- the rotational support is a golf ball support for supporting the golf ball to be spaced vertically from the ground; and a rotating means for rotating the golf ball support about a vertical axis, spaced apart from the golf ball support, and supporting the electromagnetic wave transmission/reception antenna on a plane parallel to the golf ball supported by the golf ball support.
- a rotating means for rotating the golf ball support about a vertical axis, spaced apart from the golf ball support, and supporting the electromagnetic wave transmission/reception antenna on a plane parallel to the golf ball supported by the golf ball support.
- a base may further include a base supporting the golf ball supporter and the antenna supporter on one surface, and the base may include an absorber attached to or applied to the one surface to absorb irregularly reflected electromagnetic waves.
- the antenna supporter may slide between the golf ball supporter and adjust the separation distance.
- the rotation support portion includes a first rotation support plate that supports a first point of the golf ball to the side and rotates by a motor; And it may include a second rotation support plate that supports the second point of the golf ball to the side and is rotated by a motor.
- first point and the second point are preferably two points orthogonal to the center of the golf ball.
- the rotating support unit may further include a rotating bar for supporting a third point of the golf ball with a bar on both sides of which freely rotates.
- the signal may be an RF electromagnetic wave signal.
- the signal is electromagnetic waves, and may further include a detector that generates and transmits and receives electromagnetic waves and outputs and detects the magnitude and phase of the received electromagnetic waves.
- the detector may be composed of a transmitter circuit and a receiver circuit, a network analyzer, or a signal generator and a spectrum analyzer.
- the analyzer rotates the golf ball and selects a golf ball having a uniform interior and close to symmetry based on the uniformity of signals received with respect to a plurality of measurement planes.
- the analyzer may select a golf ball having a uniform interior and close to symmetry based on the uniformity of the magnitude and phase of the received signal with respect to the plurality of measurement planes.
- the analysis unit may select a golf ball having a uniform interior and close to symmetry based on the magnitude and phase of the received signal for a plurality of measurement planes based on deep learning.
- the golf ball sorting apparatus of the present invention there is an advantage in that it is possible to easily and quickly sort golf balls having a uniform interior and a good quality close to symmetry using electromagnetic wave signals.
- FIG. 1 is a block diagram briefly explaining the configuration of a golf ball sorting device according to an embodiment of the present invention.
- FIG. 2 is a perspective view and a side view of a golf ball sorting device according to an embodiment of the present invention.
- FIG. 3 is a modified example of FIG. 2 .
- FIG. 4 is a diagram showing a golf ball sorting device according to another embodiment of the present invention.
- FIG. 5 is a perspective view showing details of the rotational support of FIG. 4 .
- 6 and 7 are views each showing a modified example of the detection unit of FIG. 4 .
- FIG. 8 is a modified example of FIG. 4 .
- FIG. 9 and 10 are views each showing a modified example of the detection unit of FIG. 8 .
- 11 is a golf ball with symmetrical inside and outside (a), a golf ball with an eccentricity of the inner core (b), a golf ball with an asymmetric imbalance of the inner core (c), and a golf ball with damage to the outer cover (d). It is a diagram showing transmission and reflection signals of electromagnetic wave signals for
- FIG. 12 is a perspective view of a golf ball for explaining the eccentricity of the golf ball.
- FIG. 13 and 14 are graphs showing the results of measuring electromagnetic wave transmission characteristics using the golf ball sorting device according to the present invention.
- FIG. 15 is a graph showing the results of driver shots with a swing speed of 115 mph for the balls selected in (a) and (b) of FIG. 14 .
- FIG. 16 is a graph showing the results of driver shots at a swing speed of 95 mph for the balls selected in (a) and (b) of FIG. 14 .
- FIG. 17 is a graph showing the results of a 7-iron shot at a swing speed of 85 mph for the balls selected in (a) and (b) of FIG. 14 .
- FIG. 18 is a graph showing the results of pitching wedge shots at a swing speed of 75 mph for the balls selected in (a) and (b) of FIG. 14 .
- FIG. 1 is a block diagram briefly explaining the configuration of a golf ball sorting device according to an embodiment of the present invention.
- An apparatus for sorting golf balls may include a measuring unit 100 and an analyzing unit 200 .
- the measurement unit 100 may transmit a signal toward the golf ball to be measured and receive a signal reflected from the golf ball or a signal transmitted through the golf ball. At this time, signals may be transmitted and received with respect to a plurality of measurement surfaces of the golf ball.
- the measurement plane may be a plane perpendicular to the direction of the transmitted signal.
- the signal may be an electromagnetic wave, and may be, for example, a radio frequency (RF) electromagnetic wave signal, but is not limited thereto.
- RF radio frequency
- the golf ball to be measured is rotated at an arbitrary angle and the reflected or transmitted first electromagnetic waves are received. , and after rotating the golf ball to be measured at an arbitrary angle, the reflected or transmitted second electromagnetic waves are received. In this way, it is possible to repeat measurements on a plurality of measurement surfaces by transmitting and receiving electromagnetic waves while rotating the golf ball.
- the analysis unit 200 may be configured with software installed in a computer including a computing device and a storage device or a smart device such as a smart phone.
- FIG. 2 is a perspective view and a side view of a golf ball sorting device according to an embodiment of the present invention
- FIG. 3 is a modified example of FIG. 2 .
- the measuring unit 100 of the golf ball sorting apparatus may include a rotation support unit and two antennas 110 and 120 .
- the measuring unit 100 of FIG. 2 may further include antenna supports 115 and 125 .
- the antenna supports 115 and 125 are spaced apart from the golf ball support 130 and the electromagnetic wave transmission antenna 110 and the electromagnetic wave reception antenna 120 are located on a plane horizontal to the golf ball supported by the golf ball support 130, respectively. It may be composed of a first antenna supporter 115 and a second antenna supporter 125 that support it.
- the golf ball support 130 and the antenna supports 115 and 125 are provided to be vertically extendable, respectively, and the vertical distance of the support object from the base 160 can be adjusted.
- the electromagnetic wave transmission antenna 110 and the electromagnetic wave reception antenna 120 may be connected to the detector 140 .
- the detector 140 generates an electromagnetic wave, transmits and receives the electromagnetic wave through the electromagnetic wave transmitting antenna 110 and the electromagnetic wave receiving antenna 120, and outputs and detects the magnitude and phase of the received electromagnetic wave.
- the detector 140 may be formed in various shapes.
- the detector 140 may consist of a transmitter circuit 1413 and a receiver circuit 1414, a network analyzer 1420, or a signal generator 1430 and a spectrum analyzer 1432, but is not limited thereto. no.
- the electromagnetic wave transmitting antenna 110 and the electromagnetic wave receiving antenna 120 are connected to the electromagnetic wave transmitting side and the electromagnetic wave receiving side of the network analyzer 1420.
- the detector 140 is composed of a signal generator 1430 and a spectrum analyzer 1432, an electromagnetic wave transmitting antenna 110 is connected to the signal generator 1430 and an electromagnetic wave receiving antenna 120 is connected to the spectrum analyzer 1432. do.
- the detector 140 may be connected to the analyzer 200 to transmit information on the magnitude and phase of the detected electromagnetic wave.
- FIG. 3 shows a modified example of the measuring unit 100 shown in FIG. 2 .
- the differences compared with the above-described embodiment will be mainly described.
- an electromagnetic wave transmitting/receiving antenna 1120 in which an electromagnetic wave transmitting antenna 110 and an electromagnetic wave receiving antenna 120 are integrally formed is disposed.
- the antenna support 1125 supports the electromagnetic wave transmission/reception antenna 1120 .
- the antenna support 1125 is spaced apart from the golf ball support 130 and supports the electromagnetic wave transmission/reception antenna 1120 on a plane parallel to the golf ball to be measured supported by the golf ball support 130 .
- the antenna support 1125 is slidably disposed between the golf ball support 130 and the separation distance from the golf ball support 130 can be adjusted.
- the electromagnetic wave transmission/reception antenna 1120 is connected to the detector 140 and can receive only electromagnetic waves reflected from the plurality of measurement surfaces of the golf ball to be measured.
- the detector 140 is connected to the electromagnetic wave transmission/reception antenna 1120, transmits and receives electromagnetic waves, detects the magnitude and phase of the received electromagnetic waves, and transmits the detection result to the analyzer 200.
- Figure 4 is a view showing a golf ball sorting device according to another embodiment of the present invention
- Figure 5 is a perspective view showing in detail the rotation support of Figure 4
- Figures 6 and 7 are each a variation of the detection unit of Figure 4 8 is a modified example of FIG. 4
- FIGS. 9 and 10 are views each showing a modified example of the detection unit of FIG. 8 .
- the measuring unit 100 may be composed of a rotating support, an electromagnetic wave transmitting antenna 110 and an electromagnetic wave receiving antenna 120.
- the rotating support shown in FIG. 5 supports a golf ball and rotates the golf ball to change its posture.
- the rotation support includes a first rotation support plate 170, a first motor 171 for rotating the first rotation support plate 170, a second rotation support plate 172, and a second motor for rotating the second rotation support plate 172 ( 173).
- the rotation support may further include a rotation bar 174 .
- the first rotary support plate 170 and the first motor 171 may be supported and fixed to the frame 180 having a hexahedral structure.
- the first rotation support plate 170 may be disposed in a disk or cylindrical shape with an axial direction parallel to the ground, and may support a first point, which is a side surface of a golf ball, through a side surface as shown.
- a motor shaft of the first motor 171 is connected to the central axis of the first rotary support plate 170 so that the first rotary support plate 170 can be rotated by driving the first motor 171 . Therefore, the attitude of the golf ball can be changed by rotating the golf ball supported at the first point by the rotation of the first rotation support plate 170 .
- the second rotation support plate 172 and the second motor 173 may support the second point, which is the side surface of the golf ball, in the same form as the first rotation support plate 170 and the first motor 171 .
- the first rotation support plate 170 and the second rotation support plate 172 are arranged to support the left and right centers of the golf ball in directions orthogonal to each other, and the first and second points where the golf ball is supported are the golf ball. It is desirable to have two points orthogonal to the center.
- the golf ball By rotating the first rotation support plate 170 by the first motor 171 or by rotating the second rotation support plate 172 by the second motor 173, the golf ball can be rotated in two orthogonal directions. . Therefore, the attitude of the golf ball can be changed in various ways so that the entire area of the golf ball can be positioned toward the fixedly disposed electromagnetic wave transmitting antenna 110 or electromagnetic wave receiving antenna 120 .
- the lower three points of the golf ball are supported by the first rotation support plate 170, the second rotation support plate 172, and the rotation bar 174, and the first rotation support plate 170 or the second rotation support plate 172 )
- the rotating bar 174 rotates freely, thereby stably supporting and rotating the golf ball.
- the electromagnetic wave transmitting antenna 110 may be disposed on one side of a golf ball to transmit signals toward the golf ball.
- a fixing groove 182 may be formed on an upper surface of the frame 180 so that the electromagnetic wave transmission antenna 110 can be easily fixed.
- the electromagnetic wave receiving antenna 120 is disposed on the other side of the golf ball, and a signal transmitted from the electromagnetic wave transmitting antenna 110 toward the golf ball may receive a signal transmitted through the golf ball.
- control board 190 which is a predetermined circuit board, has a micro controller unit (MCU) 1412, a motor control unit for controlling driving of the first motor 171 or the second motor 173 ( 1412), the detection unit 140 may be formed.
- MCU micro controller unit
- the detection unit 140 generates a signal transmitted from the electromagnetic wave transmitting antenna 110 and transmits the signal received from the transmitting circuit 1413 and the electromagnetic wave receiving antenna 120 to the electromagnetic wave transmitting antenna 110, and determines the size of the signal and It may consist of a receiving circuit 1414 that processes information about the phase.
- the communication unit 1415 may transfer the processed signal from the receiving circuit 1414 to the analysis unit 200 configured with a terminal such as a smart phone or a smart pad or a PC, which is an external device.
- the communication unit 1415 may transmit data wired or wirelessly, and FIG. 4 shows a structure for transmitting a signal processed by the receiving circuit 1414 to a terminal such as a smart phone using a BLE signal.
- the analysis unit 200 that has received the signal may analyze the received signal to determine the uniformity characteristics of the golf ball and display the selection result on the display screen.
- FIG. 6 shows a modified example of the detector 140 of FIG. 4 .
- a signal transmitted from the electromagnetic wave transmitting antenna 110 is generated and transmitted to the electromagnetic wave transmitting antenna 110, and the electromagnetic wave receiving antenna 120
- the network analyzer 1420 that receives and processes the signal received from the network analyzer 1420 performs the function of the above-described transmission/reception circuit. At this time, information about the magnitude and phase of the signal processed by the network analyzer 1420 may be transmitted to the analysis unit 200 in real time.
- the analysis unit 200 is configured as a PC.
- the operation of the motor controller 1412 for driving the first motor 171 or the second motor 173 may be controlled by a control command from a PC.
- FIG. 7 shows another modified example of the detection unit of FIG. 4 .
- a signal generator 1430 generating a signal transmitted from the electromagnetic wave transmitting antenna 110 and transmitting the signal to the electromagnetic wave transmitting antenna 110 and receiving the electromagnetic wave
- a spectrum analyzer 1432 that receives and processes the signal received from the antenna 120 performs the function of a transmission/reception circuit. At this time, information on the magnitude and phase of the signal processed by the spectrum analyzer 1432 may be transmitted to the analysis unit 200 in real time.
- the analysis unit 200 is also configured as a PC.
- the operation of the motor controller 1412 driving the first motor 171 or the second motor 173 may be controlled by a control command from a PC.
- FIG. 8 shows a modified example of the measuring unit 100 shown in FIG. 4 .
- the differences compared with the above-described embodiment will be mainly described.
- an electromagnetic wave transmitting/receiving antenna 1120 in which an electromagnetic wave transmitting antenna 110 and an electromagnetic wave receiving antenna 120 are integrally formed is disposed.
- the golf ball sorting device may include a rotational support, an electromagnetic wave transmitting and receiving antenna 1120, and an analysis unit 200.
- the electromagnetic wave transmission antenna 110 transmits the golf ball through the electromagnetic wave transmission antenna 110 disposed on one side of the golf ball and the electromagnetic wave reception antenna 120 disposed on the other side of the golf ball.
- the transmitted signal is received by the electromagnetic wave reception antenna 120 and a golf ball is selected based on the received signal.
- an electromagnetic wave transmission/reception antenna 1120 may be formed on one side of a golf ball to transmit a signal toward the golf ball and receive a signal reflected from the golf ball.
- the control board 190 includes an MCU 1411, a motor control unit 1412 that controls driving of the motor, and an electromagnetic wave transmission and reception antenna 1120.
- a transmitting circuit 1413 that generates and transmits a transmitted signal
- a receiving circuit 1414 that processes the signal received from the electromagnetic wave transmitting and receiving antenna 1120
- a signal processed by the receiving circuit 1414 is composed of an external terminal or PC.
- a communication unit 1415 for transmitting to the analyzing unit 200 may be formed.
- a signal transmitted from the electromagnetic wave transmitting and receiving antenna 1120 is generated and transmitted to the electromagnetic wave transmitting and receiving antenna 1120, and the signal received from the electromagnetic wave transmitting and receiving antenna 1120 is generated.
- a network analyzer 1420 that receives and processes signals may perform functions of a transmission/reception circuit. At this time, information on the magnitude and phase of the signal processed by the network analyzer 1420 is transmitted to the analyzer 200 in real time, and the selected result may be displayed on a monitor.
- the operation of the motor controller 1412 for driving the first motor 171 or the second motor 173 may be controlled by a control command from the PC.
- a signal generator 1430 and an electromagnetic wave transmitting and receiving antenna may perform the function of a transmission/reception circuit.
- information about the magnitude and phase of the signal processed by the spectrum analyzer 1432 is transmitted to the analyzer 200 in real time, and the result selected by the analyzer 200 may be displayed on a monitor.
- the operation of the motor controller 1412 driving the first motor 171 or the second motor 173 may be controlled by a control command from a PC.
- a circulator 1440 may be additionally disposed in the detecting unit 140 to distinguish transmission/reception signals during signal transmission.
- 11 is a golf ball with symmetrical inside and outside (a), a golf ball with an eccentricity of the inner core (b), a golf ball with an asymmetric imbalance of the inner core (c), and a golf ball with damage to the outer cover (d).
- 12 is a perspective view of a golf ball for explaining the eccentricity of the golf ball.
- a golf ball may have a core, an inner shell, and an outer shell made of different materials.
- a golf ball may include a core made of rubber, an inner layer made of plastic, and an outer layer made of thermosetting polyurethane, thermoplastic polyurethane, or ionomer plastic.
- various materials have been developed and applied to the golf ball, and each manufacturer may use a composite material for the golf ball.
- the reflected wave may be transmitted to the electromagnetic wave transmitting and receiving antenna 1120 again, and the transmitted wave may be received by the electromagnetic wave receiving antenna 120 on the opposite side. Since the reflection and transmission characteristics of electromagnetic waves are very sensitive to the dielectric constant of the medium, the size and phase characteristics of the reflected or transmitted electromagnetic waves may vary according to the uniformity of the medium inside the golf ball.
- reflection or transmission characteristics measured while rotating the golf ball may be uniformly measured.
- the core and the outer shell of the golf ball have different physical properties, and the diameter of the golf ball is approximately 42 mm. It is preferable to select and measure a frequency that exhibits good reactivity in the physical properties of the core and shell of the golf ball.
- the inner core layer is eccentric in a specific direction as in FIG. 11 (b) or the medium of the inner inner core layer is asymmetric as in FIG. 11 (c), the reflection or The characteristics of the transmitted electromagnetic waves are different from each other.
- the measured reflection or transmission characteristics may be different from each measurement surface. Since the external flaw is relatively very small compared to the size of the golf ball, it is preferable to measure it at a higher frequency than when detecting balance and eccentricity inside the golf ball.
- the internal uniformity of the golf ball can be quantified and evaluated based on the characteristics of the measured electromagnetic waves (uniformity of magnitude and phase of the reflected or transmitted signal) while the golf ball is rotated by the rotating support.
- FIG. 13(a) shows the magnitude of the frequency of the received electromagnetic wave according to the eccentricity of a defective golf ball
- FIG. 13(b) shows the phase of the frequency of the received electromagnetic wave according to the eccentricity of the defective golf ball.
- eccentricity and balance can be quantified by applying a data set of eccentricity and transmission and reflection characteristics to a deep learning technique, and through this, it is possible to automatically select defective golf balls.
- FIG. 14 is a result of measuring electromagnetic wave transmission characteristics of a golf ball of a specific brand sold on the market using the golf ball sorting device according to the present invention.
- the size difference (SOD: Sum of Deviation) of the maximum value and minimum value of the transmission coefficient measured while rotating the golf balls in the same packaging box is the smallest golf ball (Ball-A) (FIG. 14 (a)) and the largest A golf ball (Ball-B) (FIG. 14(b)) was selected.
- test club can hit 14 different points on the ball, and the distance and left and right Off-line deviation was measured.
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Abstract
Description
Claims (16)
- 골프공을 향하여 신호를 송신하고, 상기 골프공으로부터 반사된 신호 또는 상기 골프공을 투과한 신호를 수신하는 측정부; 및상기 수신된 신호를 분석하여 골프공을 선별하는 분석부를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제1 항에 있어서,상기 측정부는상기 골프공을 회전 가능하게 지지하는 회전 지지부;상기 골프공의 일측에 배치되어 상기 골프공을 향하여 전자파를 송신하는 전자파 송신 안테나; 및상기 골프공의 타측에 배치되어 상기 전자파 송신 안테나로부터 송신된 전자파를 수신하는 전자파 수신 안테나를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제1 항에 있어서,상기 측정부는상기 골프공을 회전 가능하게 지지하는 회전 지지부;상기 골프공의 일측에 배치되어 상기 골프공을 향하여 전자파를 송신하고 반사된 전자파를 수신하는 전자파 송수신 안테나를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제2 항에 있어서,상기 회전 지지부는 상기 골프공을 지면으로부터 수직으로 이격시켜 지지하는 골프공 지지체; 및 상기 골프공 지지체의 수직의 축을 중심으로 회전시키는 회전수단을 포함하고,상기 골프공 지지체와 이격되고, 상기 골프공 지지체에 의해 지지되는 골프공과 수평한 면에 상기 전자파 송신 안테나와 상기 전자파 수신 안테나를 각각 지지하는 제1 안테나 지지체 및 제2 안테나 지지체를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제3 항에 있어서,상기 회전 지지부는 상기 골프공을 지면으로부터 수직으로 이격시켜 지지하는 골프공 지지체; 및 상기 골프공 지지체의 수직의 축을 중심으로 회전시키는 회전수단을 포함하고,상기 골프공 지지체와 이격되고, 상기 골프공 지지체에 의해 지지되는 골프공과 수평한 면에 상기 전자파 송수신 안테나를 지지하는 안테나 지지체를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제4 항 또는 제5 항에 있어서,일면에 상기 골프공 지지체 및 상기 안테나 지지체를 지지하는 베이스를 더 포함하고,상기 베이스는 상기 일면에 부착 또는 도포되어 난반사되는 전자파를 흡수하는 흡수체를 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제4 항 또는 제5 항에 있어서,상기 안테나 지지체는 상기 골프공 지지체와의 사이에서 슬라이딩되어 이격 거리를 조절하는 특징으로 하는 골프공 선별 장치.
- 제2 항 또는 제3 항에 있어서,상기 회전 지지부는측면으로 상기 골프공의 제1 지점을 지지하고 모터에 의해 회전하는 제1 회전지지판; 및측면으로 상기 골프공의 제2 지점을 지지하고 모터에 의해 회전하는 제2 회전지지판을 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제8 항에 있어서,상기 제1 지점과 상기 제2 지점은 상기 골프공의 중심을 기준으로 직교하는 두 지점인 것을 특징으로 하는 골프공 선별 장치.
- 제8 항에 있어서,상기 회전 지지부는양측이 자유 회전하는 막대로 상기 골프공의 제 3 지점을 지지하는 회전바를 더 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제1 항에 있어서,상기 신호는 RF 전자파 신호인 것을 특징으로 하는 골프공 선별 장치.
- 제2 항 또는 제3 항에 있어서,상기 신호는 전자파이고,전자파를 발생시켜 송수신하고 수신된 전자파의 크기 및 위상을 출력 및 검출하는 검출기를 더 포함하는 것을 특징으로 하는 골프공 선별 장치.
- 제12 항에 있어서,상기 검출기는 송신 회로와 수신 회로로 구성되거나, 네크워크 분석기로 구성되거나, 신호 발생기와 스펙트럼 분석기로 구성되는 것을 특징으로 하는 골프공 선별 장치.
- 제1항에 있어서,상기 분석부는 상기 골프공을 회전시키며 복수의 측정면들에 대하여 수신한 신호의 균일도를 기준으로 내부가 균일하고 대칭에 가까운 골프공으로 선별하는 것을 특징으로 하는 골프공 선별 장치.
- 제14 항에 있어서,상기 분석부는 복수의 측정면들에 대하여 수신된 신호의 크기 및 위상의 균일도를 기준으로 내부가 균일하고 대칭에 가까운 골프공으로 선별하는 특징으로 하는 골프공 선별 장치.
- 제1 항에 있어서,상기 분석부는 딥러닝 기반으로 복수의 측정면들에 대한 수신된 신호의 크기 및 위상에 기초하여 내부가 균일하고 대칭에 가까운 골프공으로 선별하는 것을 특징으로 하는 골프공 선별 장치.
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CN202280006154.4A CN116324399A (zh) | 2021-06-24 | 2022-06-21 | 高尔夫球筛选装置 |
EP22828711.6A EP4335521A1 (en) | 2021-06-24 | 2022-06-21 | Golf ball sorting device |
US17/907,609 US20240207693A1 (en) | 2021-06-24 | 2022-06-21 | Apparatus for selecting high-quality golf ball |
JP2023506290A JP7505828B2 (ja) | 2021-06-24 | 2022-06-21 | ゴルフボール選別装置 |
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KR10-2021-0128704 | 2021-09-29 | ||
KR1020210128704A KR20230045878A (ko) | 2021-09-29 | 2021-09-29 | 골프공 선별 장치 |
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KR970058431A (ko) * | 1995-12-28 | 1997-07-31 | 김광호 | 납땜부 검사방법 및 검사장치 |
JP2004523768A (ja) * | 2001-04-02 | 2004-08-05 | イムプレソニック アーベー | 材料または物体の損傷を検出する方法および装置 |
JP2004230325A (ja) * | 2003-01-31 | 2004-08-19 | Kazuya Shiraiwa | ゴルフボール選別方法および装置 |
JP2013195219A (ja) * | 2012-03-19 | 2013-09-30 | Hakko Automation Kk | 内部欠陥検査装置及び内部欠陥の検査方法 |
KR20170136906A (ko) * | 2016-06-02 | 2017-12-12 | 고성우 | 구체의 크랙 검사방법 및 장치 |
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US7116413B2 (en) | 2002-09-13 | 2006-10-03 | Kla-Tencor Corporation | Inspection system for integrated applications |
JP6290036B2 (ja) | 2013-09-25 | 2018-03-07 | 株式会社東芝 | 検査装置及び検査システム |
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KR970058431A (ko) * | 1995-12-28 | 1997-07-31 | 김광호 | 납땜부 검사방법 및 검사장치 |
JP2004523768A (ja) * | 2001-04-02 | 2004-08-05 | イムプレソニック アーベー | 材料または物体の損傷を検出する方法および装置 |
JP2004230325A (ja) * | 2003-01-31 | 2004-08-19 | Kazuya Shiraiwa | ゴルフボール選別方法および装置 |
JP2013195219A (ja) * | 2012-03-19 | 2013-09-30 | Hakko Automation Kk | 内部欠陥検査装置及び内部欠陥の検査方法 |
KR20170136906A (ko) * | 2016-06-02 | 2017-12-12 | 고성우 | 구체의 크랙 검사방법 및 장치 |
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