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
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Filing date
Publication date
Application filed by 주식회사 아모센스 filed Critical 주식회사 아모센스
Priority to CN202080033282.9A priority Critical patent/CN113796000A/zh
Priority to US17/610,205 priority patent/US20220224167A1/en
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
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
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

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20190076435 2019-06-26
KR10-2019-0076435 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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US (1) US20220224167A1 (ko)
KR (1) KR102565042B1 (ko)
WO (1) WO2020262976A2 (ko)

Families Citing this family (4)

* 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

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
KR20190021033A (ko) * 2017-08-22 2019-03-05 삼성전자주식회사 자력을 이용한 개폐 구조를 갖는 커버를 포함하는 전자 장치
KR20190069365A (ko) * 2016-02-04 2019-06-19 주식회사 아모센스 무선전력 전송모듈용 차폐유닛 및 이를 구비한 무선전력 전송모듈

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018106053A2 (ko) * 2016-12-09 2018-06-14 주식회사 아모센스 인덕션렌지용 발열모듈 및 이를 포함하는 인덕션렌지

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

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

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