WO2022114379A1 - Corde à sauter ayant diverses fonctions de rendement - Google Patents

Corde à sauter ayant diverses fonctions de rendement Download PDF

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Publication number
WO2022114379A1
WO2022114379A1 PCT/KR2020/019395 KR2020019395W WO2022114379A1 WO 2022114379 A1 WO2022114379 A1 WO 2022114379A1 KR 2020019395 W KR2020019395 W KR 2020019395W WO 2022114379 A1 WO2022114379 A1 WO 2022114379A1
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WO
WIPO (PCT)
Prior art keywords
lighting
music data
output
unit
data
Prior art date
Application number
PCT/KR2020/019395
Other languages
English (en)
Korean (ko)
Inventor
김동환
Original Assignee
김동환
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김동환 filed Critical 김동환
Publication of WO2022114379A1 publication Critical patent/WO2022114379A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • A63B5/20—Skipping-ropes or similar devices rotating in a vertical plane
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0625—Emitting sound, noise or music
    • A63B2071/0627—Emitting sound, noise or music when used improperly, e.g. by giving a warning
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A63B2220/34—Angular speed
    • A63B2220/35—Spin
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/50—Force related parameters
    • A63B2220/51—Force
    • A63B2220/53—Force of an impact, e.g. blow or punch
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/74—Miscellaneous features of sport apparatus, devices or equipment with powered illuminating means, e.g. lights
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present invention relates to jumping rope, and more particularly, to jumping rope having various output functions.
  • skipping rope is a simple tool consisting of a handle and a skipping rope, and as an aerobic exercise tool that can be performed regardless of time or place, it has been widely used in physical education for diet and health.
  • Jumping rope is a device that can be used regardless of gender and age to show an exercise effect even in a narrow space, but it is difficult to generate interest continuously by repeating the same motion.
  • various forms of skipping rope such as music output and light emission are being released, but they are not output according to the user's rotation pattern, so there is a lack of inducing continuous movement.
  • the present invention is to solve the problems of the prior art as described above, and by providing a rotation detection sensor installed on a skipping rope, music is output one by one through a speaker according to the rotation sensed by the rotation detection sensor, and the sound output from the lighting unit at the same time Lyrics or scales matching the Its purpose is to provide jump rope with output function.
  • the present invention provides a skipping rope body including a skipping rope and a handle including a handle provided on both sides of the skipping line, a control unit provided in the handle portion, and a control unit provided in the handle portion to be connected to the control unit and connected to the skipping line
  • the rotation detection sensor detects the rotation of the skipping rope, the detection signal is transmitted to the control unit, the music data stored in the memory unit is output to the speaker, and various output functions in which the lighting unit is controlled according to the pattern of the lighting data stored in the memory unit Provides jumping rope with
  • the music data and the lighting data are matched with each other and stored in the memory unit, and the switch unit includes a music selection switch; It is characterized in that the music data selected by the user among the music data stored in the memory unit is output to the speaker, and the lighting unit is turned on with the lighting data pattern matched to the selected music data.
  • each music data is stored by dividing the notes constituting the music data one by one, and the pattern of the lighting data corresponding to each sound is matched and stored;
  • the selected music data is output, the sound constituting the corresponding music data is sequentially output from the speaker, and the lighting unit is turned on in a pattern of the lighting data matched to the sound of the selected music data.
  • the lighting unit is composed of a plurality of LED modules arranged horizontally and vertically, and the pattern of the lighting data is set to output a scale or a lyric syllable of each note of the selected music data, and the selected music data sound is sequentially output from the speaker and the scale or lyrics of each note are lit and output from the lighting unit.
  • each of the plurality of LED modules constituting the lighting unit is provided with a red (Red) LED, a blue (Blue) LED and a green (Green) LED in a pair;
  • the lighting data includes the intensity information of the red LED, blue LED, and green LED matched to the scale of each note, and each note is output through the speaker and It is characterized in that the light of the matched color is emitted.
  • music data is divided and stored one by one, and the divided and stored sounds are sequentially output through the speaker 160 in accordance with the sensing of the rotation sensor 150, while the output sound Since the light of the scale or the lyrics of the corresponding note is emitted from the lighting unit 140, a visually and aurally matched environment is created to increase the fun of jumping rope, and in the light emission of the lighting unit 140, the light is colored according to the scale As this light is regulated, it has the effect of making people more interested in jumping rope.
  • FIG. 1 is a schematic perspective view showing jumping rope having various output functions according to the present invention
  • FIG. 2 is a configuration diagram showing a skipping rope having various output functions according to the present invention
  • Figure 3 shows a light emitting state as an example of the lighting unit provided for jumping rope having various output functions according to the present invention.
  • a component when referred to as being “connected” or “coupled” to another component, it means that the component can be directly connected or coupled to another component, or a new other component. It should be understood that the components may be connected or coupled through the medium.
  • FIG. 1 is a schematic perspective view showing a jumping rope having various output functions according to the present invention
  • FIG. 2 is a configuration diagram showing a jumping rope having various output functions according to the present invention
  • FIG. 3 is various outputs according to the present invention It is shown in order to explain the light emitting state of the lighting unit provided for skipping rope having a function.
  • the skipping rope 100 having various output functions includes a skipping rope body 110 including a skipping line 113 and a handle portion comprising handles 111 provided on both sides of the skipping line 113, and the handle portion A control unit 190 provided in the handle, a rotation sensor 150 that is provided in the handle and connected to the control unit 190 to detect the rotation of the skipping rope 113, and among the skipping rope 113 and the handle A lighting unit 140 provided in one or more and controlled by the control unit 190 to emit light, a speaker 160 provided in the handle unit and output controlled by the control unit 190, and the handle unit provided It includes a switch unit, a memory unit provided in the handle unit and connected to the control unit 190 , and a power supply provided in the handle unit and connected to the control unit 190 to supply necessary electricity.
  • the control unit 190 is provided with a transmitting/receiving unit 191, so that music data stored in the memory unit may be transmitted and output to a device such as a smartphone.
  • the skipping rope body 110 further includes a rotating member 115 inserted in a rotatable state into the handle hole 111-1 formed in the handle 111, and the skipping rope 113 has rotating members 115 on both sides. ) is bound to An insertion hole may be formed in the rotation member 115 , and an end of the skipping rope 113 may be inserted into the insertion hole and tied to the rotation member 115 .
  • the handle 111 on one side is formed of a hollow body, and the control unit 190, the speaker 160, the memory unit, and the power supply may be provided.
  • the other side handle 111 may also be formed of a solid body or a hollow body.
  • the rotation detection sensor 150 is provided on the handle 111 , and is connected to the control unit 190 , and the rotation signal sensed by the rotation detection sensor 150 is transmitted to the control unit 190 .
  • a rotation detection sensor 150 is provided on a portion of the handle 111 facing the outer diameter surface of the rotation member 115 .
  • the magnet 116 is installed in the rotating member 115, and it is possible to use the rotation detecting sensor 150 as a sensor for detecting the magnetic force of the rotating member 115 when the rotating member 115 rotates. Alternatively, it is also possible to use the magnet 116 as a metal material, and a sensor for detecting the metal material as the rotation detection sensor 150 .
  • the switch unit is provided on the handle 111 and includes an on/off switch 121 and a music selection switch 123 .
  • the switch unit is provided on the handle 111 on which the control unit 190 is installed.
  • the on/off switch 121 is a switch connected to power.
  • the music selection switch 123 is a switch for selecting desired music data from among a plurality of music data stored in the memory unit.
  • a press signal is transmitted to the control unit 190 , and music data stored in the memory unit is output through the speaker 160 according to a command from the control unit 190 , and selects music again
  • the switch 123 is pressed, the next music data is output through the speaker 160 so that the user can select the music data to be output from among the plurality of music data. For example, when a time is set and a two-press signal is transmitted to the controller 190 at a time shorter than the set time, the output music data may be selected.
  • the speaker 160, the memory unit, and power are connected to the control unit. Electricity supply to the speaker 160 is controlled to control the output of the speaker 160 .
  • the power source is a battery, and it is preferable to use a rechargeable battery.
  • the lighting unit 140 is connected to the control unit, and is provided on the handle 111 as shown in FIG. 1 .
  • the lighting unit 140 may be provided on the skipping rope 113 .
  • the lighting unit 140 may be provided on the skipping rope 113 in a state that is not damaged by impact by being wrapped in a material such as urethane.
  • the memory unit stores music data and lighting data.
  • the music data is a song, a performance song, and the like, and a plurality of songs and performance songs are stored as music data.
  • the lighting data is a pattern in which the lighting unit 140 is turned on, and the lighting of the lighting unit 140 is controlled according to the lighting pattern of the lighting data stored in the memory unit.
  • the lighting data is stored in plurality, and is matched with each music data and stored.
  • the memory unit may include a music data memory 170 in which music data is stored, and a lighting data memory 180 in which lighting data is stored.
  • the lighting unit 140 includes a plurality of LED modules 141 , and the plurality of LED modules 141 are arranged horizontally and vertically.
  • a black circle denoted by reference numeral 141a denotes a lit LED module 141
  • a white circle exemplarily shows an unlit LED module 141 .
  • a plurality of LED modules 141 arranged in 7 columns and 5 rows are illustrated as forming the lighting unit 140 , but in the case of English output, it is natural that this combination is changed. Accordingly, the lighting unit 140 having a plurality of LED modules 141 in various arrangements according to an output target may be provided.
  • Each of the music data stored in the memory unit is stored by dividing the notes constituting the music data one by one.
  • the lyrics of 'Rabbit rabbit' are data outputted with the pronunciation of 'mountain', the data outputted with the pronunciation of 'sat', the data outputted with the pronunciation of 'ki', and the pronunciation of 'to'.
  • the output data, the data output with the 'ki' pronunciation, and the data output with the 'ya' pronunciation are stored respectively to form the music data of the hares song.
  • the LED module 141 According to the lighting pattern constituting the lighting data matched to the song of the rabbit, as shown in FIG. 3 , power is controlled to be supplied to the LED module 141 at the position where the plurality of LED modules 141 are lit.
  • the LED module 141 When the second syllable 'SAT' is output, the LED module 141 is turned on as shown in FIG. 3 among the plurality of LED modules 141 and the light of the letter 'SAT' is emitted from the lighting unit 140 .
  • the sound output from the speaker 160 and the letters indicated by the light emitted from the lighting unit 140 are matched, so that the user can jump rope while recognizing them visually and aurally. You will be able to exercise while focusing more on jumping rope.
  • the light of the letter shape (scale or lyrics) corresponding to one note and one sound sensed by the rotation detection sensor 150 is emitted from the lighting unit 140, and continues to rotate until the next rotation is sensed. Light is emitted, and when the next rotation is sensed, the letter shape (scale or lyrics) of the sound corresponding to the next sound is emitted from the lighting unit 140 and output.
  • the scale of each note in the music data from the lighting unit 140 .
  • a pattern (on/off information of each LED module 141) that matches each note constituting the music data and represents the character of the scale is stored as lighting data, and the character that matches the sound output and represents the scale of each note is displayed in the lighting unit
  • the light emission is output to 140 .
  • the switch unit further includes an output changeover switch (not shown).
  • an output changeover switch (not shown).
  • a press signal is transmitted to the control unit 190, the lighting data, which is the lighting pattern information of the lighting unit 140, is selected, and the light representing the lyrics shape is output with a sound, and when pressed again, the press signal is transmitted to the control unit Lighting data transmitted to (190) and stored as information about the scale is selected, and light representing the shape of the scale is output together with the sound.
  • Each of the LED modules 141 is provided with a red (Red) LED, a blue (Blue) LED and a green (Green) LED in a pair. Intensity information of the red LED, blue LED, and green LED corresponding to the information on the scale of individual notes constituting the music data is stored in the memory unit, and each note is transmitted from the speaker 160. When it is output, the intensity of the red LED, blue LED, and green LED light is adjusted to match the sound scale that is output, and the light is emitted from the lighting unit 140 .
  • the intensity of the blue LED is high and the intensity of the red LED is small.
  • the intensity of the blue LED is small and red.
  • the intensity of the light of the LED can be greatly adjusted so that it can be emitted. That is, it is divided into 256 steps, and the intensity of the light of the blue LED becomes stronger as the tone goes up and the intensity of the light of the red LED becomes weaker, so that the light can be adjusted and output according to the scale.
  • the light of the shape representing the scale eg, the letter shape of 'mi'
  • the light of the shape representing the lyrics eg, the letter shape of 'Sat'
  • the user can You can do jump rope exercise in a more clear visual environment for the output music.
  • the scale (or lyrics) of the notes that are stored and composing the selected music data are sequentially output from the speaker 160, and the lighting unit 140 emits light with a matching lighting pattern to the scale (or Lyrics) are output in a shape and the light is adjusted according to the scale and output in different colors, so the user can jump rope while sensing it visually and aurally, You can exercise while feeling the unity between jumping rope and the user. Also, the color of light is adjusted and emitted according to the height of the scale, so you can exercise while feeling the fun of jumping rope.
  • the shock sensor 130 is provided in the skipping rope 113, and when jumping rope, the shock signal sensed by the shock sensor 130 is transmitted to the control unit 190, and as described above, music is transmitted through the speaker 160.
  • a sound constituting data may be output, and light may be emitted from the lighting unit 140 .
  • skipping rope having various output functions according to an embodiment of the present invention will be described.
  • the user turns on the on/off switch 121 so that electricity is supplied from the power source, and by pressing the music selection switch 123, selects the music data to be output by skipping the rope among a plurality of music data stored in the memory unit. do.
  • the music selection switch 123 selects the music data to be output by skipping the rope among a plurality of music data stored in the memory unit. do.
  • arbitrary music data may be selected.
  • a random function is stored in the memory unit, so that, when there is no music selection by the user, arbitrary music data among a plurality of music data can be selected.
  • the detection signal is transmitted to the control unit 190, and the sound composing the music data selected by the control command from the control unit 190 (lyrics, musical scales, or musical instruments) are sequentially output from the speaker 160 .
  • the lighting unit 140 is controlled by the pattern information (on/off information) of the lighting data matched to the music data, and the lighting unit 140 emits light in the shape of lyrics or scale letters matching the sound output from the speaker 160 . do.
  • the color of light is controlled according to the musical scale, and the light is emitted from the lighting unit 140 .
  • the performance process through the skipping rope movement is continued until the output of the sound constituting the selected music data is completed.
  • the music data may be sequentially output from the plurality of music data to output the last music data, and it may be controlled to output the first music data again.
  • a display device (not shown) is additionally provided on the handle portion, through which a list of music data is provided, and music data from which a sound and an afterimage effect are to be selected can be selected by performing a performance effect through skipping rope.
  • the notes constituting the music data are output through the speaker 160 one by one according to the rotation, and at the same time, the lighting unit according to the lighting data composed of the lighting pattern information matched to each note constituting the music data.
  • the on/off of the plurality of LED modules 141 constituting 140 is controlled, respectively, and lyrics or scales matching the output sound are emitted from the lighting unit 140 provided in the handle 111 or the skipping rope 113, and the air is displayed, and the color of the light of the LED module 141 matched according to the pitch of the scale is emitted.
  • music data is divided and stored one by one, and the divided and stored sounds are sequentially output through the speaker 160 according to the sensing of the rotation sensor 150, and the scale or Since the light of the lyrics of the corresponding note is emitted from the lighting unit 140, a visually and aurally matched environment is created, thereby increasing the fun of jumping rope.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Auxiliary Devices For Music (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Toys (AREA)

Abstract

La présente invention concerne une corde à sauter (100) ayant diverses fonctions de rendement, la corde à sauter comportant : un corps principal (110) de corde à sauter comprenant un fil (113) de corde à sauter et une partie poignée ayant des poignées (111) disposées sur les deux extrémités du fil (113) de corde à sauter ; un dispositif de commande (190) disposé dans la partie poignée ; un capteur de rotation (150) qui est disposé dans la partie poignée, qui est relié au dispositif de commande (190) et qui détecte la rotation du fil (113) de corde à sauter ; une unité d'éclairage (140) qui est disposée dans le fil (113) de corde à sauter et/ou la partie poignée et qui est commandée par le dispositif de commande (190) pour éclairer ; un haut-parleur (160) qui est disposé dans la partie poignée et dont la sortie est commandée par le dispositif de commande (190) ; une unité de commutation disposée dans la partie poignée ; une unité mémoire disposée dans la partie poignée ; une source d'alimentation disposée dans la partie poignée, l'unité mémoire stockant des données de musique et des données d'éclairage, et lorsque le capteur de rotation (150) détecte la rotation du fil (113) de corde à sauter, un signal de détection est transmis au dispositif de commande (190), les données de musique stockées dans l'unité mémoire sont fournies au haut-parleur (160), et l'éclairage de l'unité d'éclairage (140) est commandé en fonction du modèle des données d'éclairage stockées dans l'unité mémoire.
PCT/KR2020/019395 2020-08-25 2020-12-30 Corde à sauter ayant diverses fonctions de rendement WO2022114379A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020200106708A KR20200106860A (ko) 2020-08-25 2020-08-25 노래의 가사와 음계가 표시되는 줄넘기
KR1020200162057A KR102521035B1 (ko) 2020-08-25 2020-11-27 다양한 출력 기능을 가지는 줄넘기
KR10-2020-0162057 2020-11-27

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WO2022114379A1 true WO2022114379A1 (fr) 2022-06-02

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PCT/KR2020/019395 WO2022114379A1 (fr) 2020-08-25 2020-12-30 Corde à sauter ayant diverses fonctions de rendement

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WO (1) WO2022114379A1 (fr)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
KR20200106860A (ko) * 2020-08-25 2020-09-15 김동환 노래의 가사와 음계가 표시되는 줄넘기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010018526A (ko) * 1999-08-19 2001-03-05 김경희 훌라후프 운동기구
KR200391385Y1 (ko) * 2005-05-20 2005-08-01 민병문 잔상을 이용한 다기능 줄넘기
KR200411675Y1 (ko) * 2006-01-04 2006-03-16 하늘다람쥐 주식회사 엘이디가 장착된 줄넘기
KR102075483B1 (ko) * 2019-08-27 2020-03-02 김동일 음향 출력 줄넘기 및 줄넘기 시스템
KR20200106860A (ko) * 2020-08-25 2020-09-15 김동환 노래의 가사와 음계가 표시되는 줄넘기

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200236814Y1 (ko) * 2001-03-21 2001-10-08 김봉근 줄넘기
KR200454174Y1 (ko) 2009-07-15 2011-06-23 현정아 음악 재생 기능을 갖는 줄넘기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010018526A (ko) * 1999-08-19 2001-03-05 김경희 훌라후프 운동기구
KR200391385Y1 (ko) * 2005-05-20 2005-08-01 민병문 잔상을 이용한 다기능 줄넘기
KR200411675Y1 (ko) * 2006-01-04 2006-03-16 하늘다람쥐 주식회사 엘이디가 장착된 줄넘기
KR102075483B1 (ko) * 2019-08-27 2020-03-02 김동일 음향 출력 줄넘기 및 줄넘기 시스템
KR20200106860A (ko) * 2020-08-25 2020-09-15 김동환 노래의 가사와 음계가 표시되는 줄넘기

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KR20200106860A (ko) 2020-09-15
KR20220026453A (ko) 2022-03-04
KR102521035B1 (ko) 2023-04-12

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