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WO2019240361A1 - Masque intelligent - Google Patents

Masque intelligent Download PDF

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Publication number
WO2019240361A1
WO2019240361A1 PCT/KR2019/003893 KR2019003893W WO2019240361A1 WO 2019240361 A1 WO2019240361 A1 WO 2019240361A1 KR 2019003893 W KR2019003893 W KR 2019003893W WO 2019240361 A1 WO2019240361 A1 WO 2019240361A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
mask
earplug
pair
air
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2019/003893
Other languages
English (en)
Korean (ko)
Inventor
김미영
윤선홍
배일지
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Korea Electronics Technology Institute
Original Assignee
Korea Electronics Technology Institute
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 Korea Electronics Technology Institute filed Critical Korea Electronics Technology Institute
Publication of WO2019240361A1 publication Critical patent/WO2019240361A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/003—Means for influencing the temperature or humidity of the breathing gas
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/429—Means for wireless communication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee

Definitions

  • the present invention relates to a mask, and more particularly, to a smart mask that purifies the outside air and supplies it to the inside of the mask.
  • the mask is a device for protecting the user's respiratory organs from external factors by covering the nose and mouth of the user's face.
  • Masks are often composed of a main body and an earring, and are classified into a cold mask, a dust mask, and a medical mask according to external factors.
  • dust masks have recently emerged as a necessity for the development of lung and respiratory diseases caused by fine dust and yellow dust in China and other dust and fine dust in Korea.
  • an object of the present invention is to provide a smart mask that does not cause inconvenience to breathing by supplying clean air while maintaining a certain distance from the user's face.
  • the present invention provides a pair of earplugs with a built-in control unit for controlling the air purification unit and the driving of the air purification unit; Connecting the pair of earplugs, the earplug connecting portion worn on the user's head; And a mask unit having both ends connected to the pair of earplugs and maintaining a predetermined distance from the face of the user and supplied with purified air through the air purifying unit. do.
  • the mask unit may be driven by any one of a PDLC method, a photochromic method, and an electrochromic method under the control of the controller.
  • the mask part may change transparency or color under the control of the controller.
  • the pair of earplugs may further include a communication unit configured to receive a communication signal from a user terminal under the control of the controller.
  • the communication unit receives a communication signal from the user terminal
  • the mask unit controls the control unit.
  • the transparency or color may change.
  • the pair of earplugs may further include a communication unit configured to receive a communication signal from a user terminal under the control of the controller.
  • the controller drives the air purifier. Can be controlled.
  • the pair of earplugs may further include a voice output unit, and the controller may control driving of the voice output unit.
  • the pair of earplugs may further include a communication unit configured to receive a communication signal from a user terminal under control of the controller.
  • the controller drives the voice output unit. Can be controlled.
  • the air purifying unit includes a first air purifying unit embedded in one ear plug of the pair of ear plugs; And a second air purifying unit embedded in the other ear plug of the pair of ear plugs, wherein the first air purifying unit comprises: an intake fan for sucking air from the outside under the control of the controller; And a filter configured to purify the air sucked through the intake fan and to provide the inside of the mask unit, wherein the second air purifier discharges the air provided inside the mask unit to the outside under the control of the controller. It may include; an exhaust fan.
  • the air purifying unit may form a flow of air from the first air purifying unit to the second air purifying unit inside the mask unit, and suppress the flow of air immediately flowing into the mask unit from the outside.
  • the filter may be made of any one of HEPA, ULPA, and nanofibers.
  • the pair of earplugs includes a first earplug; And a second earplug; wherein the earplug connecting portion comprises: a first earplug connecting portion connected to the first earplug; A second earplug connection unit connected to the second earplug; And a hinge member formed between the first earplug connection part and the second earplug connection part to allow the first earplug connection part and the second earplug connection part to be folded.
  • the present invention also includes a pair of earplugs with a built-in control unit for controlling the operation of the air purifier and the air purifier; Connecting the pair of earplugs, the earplug connecting portion worn on the user's head; And a mask unit having both ends connected to the pair of earplugs and maintaining a predetermined distance from the face of the user, and supplied with purified air through the air purifier, and whose transparency or color is changed under the control of the controller. It provides a smart mask comprising a.
  • the smart mask according to the present invention maintains a predetermined distance from the user's face in a worn state, and is supplied with purified air to the inside of the mask to reduce user's discomfort.
  • FIG. 1 is a wearing state diagram of a smart mask according to a first embodiment of the present invention.
  • FIG. 2 is a view from above of the wearing state of FIG. 1.
  • FIG. 2 is a view from above of the wearing state of FIG. 1.
  • FIG 3 is a view showing a folding and disassembling process of the smart mask according to the first embodiment of the present invention.
  • FIG. 4 is a block diagram showing the configuration of a smart mask according to a first embodiment of the present invention.
  • FIG. 5 is a block diagram showing the configuration of a smart mask according to a second embodiment of the present invention.
  • FIG. 1 is a wearing state diagram of a smart mask according to a first embodiment of the present invention
  • Figure 2 is a view from above of the wearing state of FIG.
  • the smart mask 100 includes a pair of earplugs 10, an earplug connecting unit 20, and a mask unit 70.
  • the pair of earplugs 10 includes a control unit for controlling the driving of the air purifying unit and the air purifying unit.
  • Earplug connection portion 20 connects a pair of earplugs 10 and is worn on the user's head. Both ends of the mask part 70 are connected to the pair of ear plugs 10 and maintain a predetermined distance from the face of the user, and the purified air is supplied to the inside through the air purifying part.
  • the pair of earplugs 10 includes a control unit for controlling each configuration of the air purifier and driving of the air purifier, and a battery (not shown) for supplying power to each part of the smart mask 100.
  • the pair of earplugs 10 may be composed of a first earplug 11 and a second earplug 13. If necessary, a button unit (not shown) may be further formed on the surface of the pair of ear plugs 10 to allow the controller to control driving of each unit of the smart mask 100.
  • the mask part 70 is configured to cover a part of the face including the user's nose and mouth when viewed from the outside while maintaining a constant interval without being in close contact with the face.
  • Conventional masks are mostly made of fabric, but the mask portion 70 of the present invention is made of a bandable material such as plastic.
  • the mask unit 70 may be driven by any one of a PDLC method, a photochromic method, and an electrochromic method under the control of the controller.
  • Earplug connection portion 20 is a belt shape for connecting a pair of earplugs 10, is worn on the user's head. 1 and 2, the earplug connection portion 20 is worn on the user's head like the earplug connection portion of a typical headset, but a pair of earplugs 10 when the user wears by connecting a pair of earplugs 10 If the load of) can be evenly distributed, the technical idea of the present invention is not limited thereto.
  • the earplug connection unit 20 may be worn to the user's back head side.
  • the earplug connector 20 may be made of a material that can be bent, such as plastic.
  • the smart mask 100 When the hinge member 25 is formed on the earplug connection portion 20, the smart mask 100 may be folded, which will be described below in detail with reference to FIG. 3.
  • FIG 3 is a view showing a folding and disassembling process of the smart mask according to the first embodiment of the present invention.
  • the earplug connector 20 may be formed in an integral band shape, but as shown in FIG. 3, the first earplug connector 21 connected to the first earplug 11 and the second earplug connector 13 connected to the second earplug 13 ( 23) and hinge member 25.
  • the hinge member 25 is formed between the first earplug connecting portion 21 and the second earplug connecting portion 23, and is composed of several joint members (not shown) to form the first earplug connecting portion 21 and the second earplug connecting portion 23. ) Can be folded to abut. Through this, the volume of the smart mask 100 is reduced, so that the user can easily store the smart mask 100 when not wearing it.
  • both ends of the mask portion 70 is separated from both the first ear plug 11 and the second ear plug 13, but the technical concept of the present invention Is not limited to this.
  • the mask part 70 may be separated from only one of the first earplug 11 and the second earplug 13 so that the user may store the mask part 70 without fear of losing the mask part 70.
  • FIG. 4 is a block diagram showing the configuration of a smart mask according to a first embodiment of the present invention.
  • the pair of earplugs 10 may be composed of a first earplug 11 and a second earplug 13.
  • the first earplug 11 may include a first air purifying unit 31 including an intake fan 33 and a filter 35.
  • the second earplug 13 may include a second air purifier 37 including an exhaust fan 39.
  • the intake fan 33 receives air from the outside under the control of the controller 50, and the exhaust fan 39 discharges the air to the outside under the control of the controller 50 so that the inside of the mask unit 70 can be Flow the air.
  • a flow of air from the first air purifier 31 to the second air purifier 37 is generated, which is caused by the external air purifying the air purifier 30 even though the mask part 70 is spaced apart from the face of the user. It can be suppressed to flow into the mask portion 70 immediately without passing through).
  • the intake fan 33 and the exhaust fan 39 are inserted into the pair of earplugs 10, the size thereof is determined according to the size of the pair of earplugs 10.
  • the intake fan 33 and the exhaust fan 39 may be a small fan having a diameter of 7 cm or less.
  • the filter 35 filters the air sucked through the intake fan 33 and provides the inside of the mask unit 70.
  • the material of the filter 35 those known in the art may be used.
  • HEPA High Efficiency Particulate Air
  • ULPA Ultra Low Penetration Air
  • nanofiber a nanofiber
  • the HEPA filter is a filter which collects and filters the fine nonwoven fabric, and according to the DOE standard, it can be classified as a HEPA filter when 99.97% of particles having a size of 0.3 ⁇ m or more in the passing air is removed.
  • the ULPA filter is a finer filter than the HEPA filter, and it is known to filter 99.999% of particles having a size of 0.10 ⁇ m or more in the passing air.
  • Nanofiber refers to a fiber made of ultra-fine fibers having a nanometer scale, and examples thereof include polymer nanofibers and carbon nanofibers. Nanofibers are known to have a high surface area per unit volume, like general nanomaterials, and thus have high filtration efficiency and high porosity when used as a filter material.
  • a spinning solution is prepared by adding an organic solvent to a polymer material such as polyester sulfone (PES), polyacrylonitrile (PAN), polystyrene (PS), and the spinning solution by electrospinning the web. It is possible to form a nanofiber filter of (web).
  • PES polyester sulfone
  • PAN polyacrylonitrile
  • PS polystyrene
  • the pair of earplugs 10 may further include a voice output unit 80 including a speaker.
  • the voice output unit 80 may be controlled by the controller 50 to control whether or not the voice is output and the strength of the voice.
  • the voice output unit 80 is embedded only in the second earplug 13, but the technical spirit of the present disclosure is not limited thereto.
  • the voice output unit 80 may be embedded only in the first earplug 11 or in both the first earplug 11 and the second earplug 13.
  • the controller 50 controls the driving of the smart mask 100 by controlling each part and the mask unit 70 embedded in the pair of earplugs 10.
  • the controller 50 may include a processor, controllers, microcontrollers, microprocessors, a central processing unit (CPU) for performing other functions, or a microprocessing unit (MPU). Can be used.
  • the controller 50 is embedded in the second earplug 13, but the technical spirit of the present disclosure is not limited thereto.
  • the controller 50 may be embedded in the first earplug 11.
  • the controller 50 may control the air purification unit 30 to adjust the rotational speed of the intake fan 33 or the exhaust fan 39.
  • the controller 50 may control the voice output unit 80 to adjust whether or not the voice is output.
  • the controller 50 may control the mask unit 70 to adjust the transparency or color of the mask unit 70.
  • the mask unit 70 may be driven through any one of a PDLC method, a photochromism method, and an electrochromism method in which transmittance is controlled by electricity or a light source, thereby changing transparency or color.
  • a button part (not shown) that the user can touch or press may be formed on the surface of the mask part 70 or the pair of earplugs 10.
  • the driving of the 70 may be controlled to change the transparency or the color of the mask unit 70.
  • the mask unit 70 When using the PDLC method, the mask unit 70 includes liquid crystal particles (not shown) and a polymer (not shown) solution. In the state in which no voltage is applied, the liquid crystal particles and the polymer are irregularly arranged to scatter light, thereby making it opaque. However, when voltage is applied, the liquid crystal particles are polarized and arranged in a direction parallel to the electric field, and thus have a refractive index similar to that of a polymer. As such, when the liquid crystal particles and the polymer have a regular arrangement, the light incident on the mask part 70 is transmitted to be in a transparent state. The user can adjust the transparency of the mask unit 70 between the transparent color and the opaque white by adjusting the voltage applied according to the preference.
  • liquid crystal particles and the polymer used in the mask unit 70 may be those known in the art.
  • liquid crystal particles include a mixed liquid crystal in which cyano-Biphenyl-based single liquid crystals are mixed, a mixed liquid crystal in which fluorine is substituted in biphenyl mesogen, and tertiary phenyl (Ter).
  • -Phenyl) and biphenyl series mixed liquid crystals of a single liquid crystal may be used, and the polymer may be a polyvinyl alcohol-based, epoxy-based or urethane acrylate-based polymer.
  • the electrochromic method uses a material that changes color reversibly due to a redox reaction (hereinafter referred to as an 'electrochromic material'), and controls the amount of light or heat passing through the mask part 70 by adjusting the energy supplied. .
  • an 'electrochromic material' a material that changes color reversibly due to a redox reaction
  • the user may adjust the voltage applied according to the preference to adjust the color of the mask part 70 with blue or the like in addition to the original color of the mask part 70.
  • the electrochromic material not shown
  • those known in the art may be used.
  • tungsten oxide (WO 3 ), titanium dioxide (TiO 2), zinc oxide (ZnO), or the like may be used.
  • Photochromic methods use the phenomenon that one species reversibly changes to two or more colors as the wavelength to be irradiated changes.
  • the PDLC method and the electrochromic method can adjust the transparency or the color by the user applied voltage, while the photochromic method is dependent on the external light source.
  • the mask unit 70 may have a black color in addition to the original color according to the illuminance.
  • the photochromic method is used, the mask unit 70 is manufactured to include a photochromic dye (not shown).
  • the photochromic dye those known in the art may be used.
  • a photochromic dye for example, as a photochromic dye, a spiropyran series, a pulgide series, an azo-benzene series, a spiro-oxazine series, a naphtopyran series Or a quinone-based organic compound may be used.
  • the smart mask 100 according to the first embodiment of the present invention does not include a separate configuration capable of communicating with the outside, but the technical idea of the present invention is not limited thereto.
  • the communication unit 90 may be further embedded in a pair of earplugs.
  • FIG. 5 is a block diagram showing the configuration of a smart mask according to a second embodiment of the present invention.
  • a pair of earplugs supplies power to each of the air purifying unit 30, the control unit 50, the communication unit 90, and the smart mask 200.
  • a battery (not shown) is built in, and the configuration except for the communication unit 90 is the same as that of the first embodiment, which will be described with reference to the communication unit 90.
  • the communication unit 90 may transmit and receive a communication signal with the user terminal 300 under the control of the control unit 50.
  • the controller 50 controls the air cleaner 30 or the mask 70.
  • the user may control the driving of the air purifier 30 or the mask unit 70 through the user terminal 300.
  • the rotation speed of the intake fan 33 or the exhaust fan 39 may be adjusted or the transparency or the color of the mask part 70 may be adjusted through the control of the controller 50.
  • the communication unit 90 may transmit a communication signal to the user terminal 300 under the control of the control unit 50.
  • Short-range wireless communication such as Bluetooth may be used as the communication unit 90.
  • the controller ( 50 may control the driving of the voice output unit 80. For example, whether or not the voice is output, the strength of the voice, etc. may be controlled, and the music stored in the user terminal 300 may be received and output through short range communication.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Psychology (AREA)
  • Veterinary Medicine (AREA)
  • Acoustics & Sound (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Textile Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un masque intelligent pour réduire l'inconfort et distribuer de l'air propre dans un état dans lequel un utilisateur porte le masque. Le masque intelligent selon la présente invention comprend : une paire d'unités de bouchon d'oreille dans lesquelles est incorporée une unité de purification d'air et un dispositif de commande pour commander le fonctionnement de l'unité de purification d'air ; une unité de raccordement de bouchon d'oreille pour relier la paire d'unités de bouchon d'oreille ; et une unité de masque reliée à la paire d'unités de bouchon d'oreille, maintenant un certain espace par rapport au visage d'un utilisateur et distribuant de l'air purifié dans l'unité de masque.
PCT/KR2019/003893 2018-06-14 2019-04-02 Masque intelligent Ceased WO2019240361A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180067901A KR102106437B1 (ko) 2018-06-14 2018-06-14 스마트 마스크
KR10-2018-0067901 2018-06-14

Publications (1)

Publication Number Publication Date
WO2019240361A1 true WO2019240361A1 (fr) 2019-12-19

Family

ID=68843449

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/003893 Ceased WO2019240361A1 (fr) 2018-06-14 2019-04-02 Masque intelligent

Country Status (2)

Country Link
KR (1) KR102106437B1 (fr)
WO (1) WO2019240361A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021261608A1 (fr) * 2020-06-22 2021-12-30 이상혁 Masque de stérilisation uv
KR102476256B1 (ko) * 2020-09-15 2022-12-09 김영진 외이도염 치료용 헤드셋
KR20220089582A (ko) 2020-12-21 2022-06-28 황도연 마스크 오염 감지 테이프

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200409163Y1 (ko) * 2005-11-15 2006-02-20 신덕수 방한용 귀마개
KR20090011130U (ko) * 2008-04-26 2009-10-29 세 원 김 마스크
US20160029716A1 (en) * 2014-07-30 2016-02-04 Elwha Llc Customized face mask
KR101733287B1 (ko) * 2015-06-08 2017-05-08 재단법인 다차원 스마트 아이티 융합시스템 연구단 사용자에게 흡입되는 공기 질을 모니터링 가능한 스마트 마스크
KR101848674B1 (ko) * 2017-01-19 2018-04-16 주식회사 스포컴 필터링된 공기 정화 기능을 갖는 마스크 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200473598Y1 (ko) * 2014-03-06 2014-07-10 이길순 음이온이 나오는 미세먼지 방지용 마스크
KR101785804B1 (ko) * 2015-12-02 2017-10-16 이주원 마스크장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200409163Y1 (ko) * 2005-11-15 2006-02-20 신덕수 방한용 귀마개
KR20090011130U (ko) * 2008-04-26 2009-10-29 세 원 김 마스크
US20160029716A1 (en) * 2014-07-30 2016-02-04 Elwha Llc Customized face mask
KR101733287B1 (ko) * 2015-06-08 2017-05-08 재단법인 다차원 스마트 아이티 융합시스템 연구단 사용자에게 흡입되는 공기 질을 모니터링 가능한 스마트 마스크
KR101848674B1 (ko) * 2017-01-19 2018-04-16 주식회사 스포컴 필터링된 공기 정화 기능을 갖는 마스크 장치

Also Published As

Publication number Publication date
KR102106437B1 (ko) 2020-05-07
KR20190141311A (ko) 2019-12-24

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