WO2020262976A3 - 충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들 - Google Patents

충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들 Download PDF

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Publication number
WO2020262976A3
WO2020262976A3 PCT/KR2020/008266 KR2020008266W WO2020262976A3 WO 2020262976 A3 WO2020262976 A3 WO 2020262976A3 KR 2020008266 W KR2020008266 W KR 2020008266W WO 2020262976 A3 WO2020262976 A3 WO 2020262976A3
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WO
WIPO (PCT)
Prior art keywords
charging cradle
shielding sheet
power reception
reception module
magnetic shielding
Prior art date
Application number
PCT/KR2020/008266
Other languages
English (en)
French (fr)
Other versions
WO2020262976A2 (ko
Inventor
장길재
Original Assignee
주식회사 아모센스
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 주식회사 아모센스 filed Critical 주식회사 아모센스
Priority to US17/610,205 priority Critical patent/US20220224167A1/en
Priority to CN202080033282.9A priority patent/CN113796000A/zh
Priority claimed from KR1020200077594A external-priority patent/KR20210002004A/ko
Publication of WO2020262976A2 publication Critical patent/WO2020262976A2/ko
Publication of WO2020262976A3 publication Critical patent/WO2020262976A3/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/13—Amorphous metallic alloys, e.g. glassy metals
    • H01F10/131—Amorphous metallic alloys, e.g. glassy metals containing iron or nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C2011/001—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable audio devices, e.g. headphones or MP3-players
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/20—The network being internal to a load
    • H02J2310/22—The load being a portable electronic device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Telephone Set Structure (AREA)

Abstract

충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들이 제공된다. 본 발명의 예시적인 실시예에 따른 충전 크래들용 자기장 차폐시트는 자기장을 차폐할 수 있도록 자성체로 이루어진 시트본체;를 포함하고, 상기 시트본체는 포화자속밀도가 1.2 테슬러 이상인 자성체로 형성된다.
PCT/KR2020/008266 2019-06-26 2020-06-25 충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들 WO2020262976A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/610,205 US20220224167A1 (en) 2019-06-26 2020-06-25 Magnetic shielding sheet for charging cradle, wireless power reception module for charging cradle, and charging cradle for wireless earphones including the same
CN202080033282.9A CN113796000A (zh) 2019-06-26 2020-06-25 充电座用磁场屏蔽片、包括其的充电座用无线电力接收模块以及无线耳机用充电座

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2019-0076435 2019-06-26
KR20190076435 2019-06-26
KR1020200077594A KR20210002004A (ko) 2019-06-26 2020-06-25 충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들
KR10-2020-0077594 2020-06-25

Publications (2)

Publication Number Publication Date
WO2020262976A2 WO2020262976A2 (ko) 2020-12-30
WO2020262976A3 true WO2020262976A3 (ko) 2021-02-18

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PCT/KR2020/008266 WO2020262976A2 (ko) 2019-06-26 2020-06-25 충전 크래들용 자기장 차폐시트, 이를 포함하는 충전 크래들용 무선전력 수신모듈 및 무선 이어폰용 충전 크래들

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Country Link
US (1) US20220224167A1 (ko)
KR (1) KR102565042B1 (ko)
WO (1) WO2020262976A2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD979491S1 (en) * 2020-12-08 2023-02-28 Shenzhen Aoni Electronic Co., Ltd Charging case for earphones
USD978794S1 (en) * 2021-05-12 2023-02-21 Shenzhen Thousandshores Technology Co., Ltd. Earphone charger box
WO2023027213A1 (ko) * 2021-08-26 2023-03-02 엘지전자 주식회사 크래들 및 휴대용 음향기기
USD1028877S1 (en) * 2022-03-04 2024-05-28 Google Llc Charging tray
CN115175078A (zh) * 2022-05-19 2022-10-11 深圳沃迪声科技股份有限公司 耳机检测装置、方法及存储介质
WO2024172293A1 (ko) * 2023-02-15 2024-08-22 삼성전자 주식회사 무선 오디오 장치를 안착하는 전자 장치 및 이를 이용한 fm 라디오 신호 출력 방법
USD1040784S1 (en) * 2023-02-24 2024-09-03 Besing Technology (Shenzhen) Co., Ltd. Wireless earphones with charging case

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KR20170017416A (ko) * 2015-08-06 2017-02-15 주식회사 아모센스 무선충전용 안테나유닛 및 이를 포함하는 무선전력 수신모듈
KR20170067635A (ko) * 2015-12-08 2017-06-16 삼성전기주식회사 자기장 차폐 구조물 및 전자기기
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KR20190069365A (ko) * 2016-02-04 2019-06-19 주식회사 아모센스 무선전력 전송모듈용 차폐유닛 및 이를 구비한 무선전력 전송모듈

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CN110036691B (zh) * 2016-12-09 2021-08-17 阿莫善斯有限公司 用于电磁炉的发热模块及包括其的电磁炉

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008296431A (ja) * 2007-05-30 2008-12-11 Kitagawa Ind Co Ltd セラミックシート
US20150326058A1 (en) * 2014-05-07 2015-11-12 Htc Corporation Electronic Device for Handling Sharing of Communication Hardware in Wireless Charging System
KR20160138909A (ko) * 2015-05-26 2016-12-06 주식회사 아모센스 무선전력 수신모듈
KR20170017416A (ko) * 2015-08-06 2017-02-15 주식회사 아모센스 무선충전용 안테나유닛 및 이를 포함하는 무선전력 수신모듈
KR20170067635A (ko) * 2015-12-08 2017-06-16 삼성전기주식회사 자기장 차폐 구조물 및 전자기기
KR20190069365A (ko) * 2016-02-04 2019-06-19 주식회사 아모센스 무선전력 전송모듈용 차폐유닛 및 이를 구비한 무선전력 전송모듈
KR20190021033A (ko) * 2017-08-22 2019-03-05 삼성전자주식회사 자력을 이용한 개폐 구조를 갖는 커버를 포함하는 전자 장치

Also Published As

Publication number Publication date
US20220224167A1 (en) 2022-07-14
WO2020262976A2 (ko) 2020-12-30
KR102565042B1 (ko) 2023-08-09
KR20230004351A (ko) 2023-01-06

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