JP7409327B2 - 音響装置 - Google Patents
音響装置 Download PDFInfo
- Publication number
- JP7409327B2 JP7409327B2 JP2020570377A JP2020570377A JP7409327B2 JP 7409327 B2 JP7409327 B2 JP 7409327B2 JP 2020570377 A JP2020570377 A JP 2020570377A JP 2020570377 A JP2020570377 A JP 2020570377A JP 7409327 B2 JP7409327 B2 JP 7409327B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- sound
- earpiece
- section
- acoustic device
- 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.)
- Active
Links
- 210000003454 tympanic membrane Anatomy 0.000 claims description 58
- 210000000613 ear canal Anatomy 0.000 claims description 45
- 238000002955 isolation Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 230000005236 sound signal Effects 0.000 description 11
- 229920002379 silicone rubber Polymers 0.000 description 10
- 239000000806 elastomer Substances 0.000 description 5
- 210000003128 head Anatomy 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 210000000624 ear auricle Anatomy 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000002847 sound insulator Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04R1/1083—Reduction of ambient noise
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- 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
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3219—Geometry of the configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/11—Aspects relating to vents, e.g. shape, orientation, acoustic properties in ear tips of hearing devices to prevent occlusion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Headphones And Earphones (AREA)
Description
外耳道の入り口付近に配置され、周囲音を収音する収音部と、
前記収音部よりも鼓膜側に配置され、音響信号を出力する発音部と、
を具備する音響装置である。
前記収音部よりも鼓膜側に配置され、音響信号を出力する発音部と、
を具備する音響装置。
前記遮音部よりも鼓膜側に配置され、音響信号を出力する発音部と、
前記遮音部により周囲音を遮音する遮音位置付近に配置され、周囲音を収音する収音部と、
を具備する音響装置。
前記発音部は、前記遮音部よりも鼓膜側に配置され、
前記収音部は、前記遮音部により周囲音を遮音する遮音位置付近に配置される、
上記(1)に記載の音響装置。
上記(2)に記載の音響装置。
上記(3)に記載の音響装置。
上記(4)に記載の音響装置。
上記(3)に記載の音響装置。
上記(5)に記載の音響装置。
上記(6)に記載の音響装置。
前記イヤピースは、前記ハウジングの中心軸の傾斜角度が可変となるように、前記ハウジングを支持する、
上記(6)又は(7)のいずれかに記載の音響装置。
上記(8)に記載の音響装置。
上記(6)乃至(9)のいずれかに記載の音響装置。
前記音孔は、前記傘部の内側に配置される、
上記(10)に記載の音響装置。
前記筒部は、前記音孔に対応する場所に開口部を有する、
上記(11)に記載の音響装置。
上記(5)乃至(12)のいずれかに記載の音響装置。
上記(13)に記載の音響装置。
上記(13)に記載の音響装置。
110…ドライバーユニット、111…イヤホンアンプ
120…マイクロホン、121…マイクロホンアンプ
130…信号処理部
131…DSP(Digital Signal Processor)
132…システムコントローラ、133…AD変換器(ADC)
134…AD変換器(ADC)、135…イコライザ
136…ノイズキャンセルエンジン部、137…合成部
138…DA変換器(DAC)
200…音響装置、210…ハウジング、211…音孔
250…イヤピース、251…傘部、252…筒部
Claims (10)
- 外耳道の入り口付近に配置され、周囲音を収音する収音部と、
前記収音部よりも鼓膜側に配置され、音響信号を出力する発音部と、
前記収音部が収音した周囲音に基づいて前記音響信号に対してノイズキャンセリングを実施する処理部と、
前記収音部、前記収音部、及び前記処理部を収容するハウジングと、
前記ハウジングを外耳道入り口付近で支持するイヤピースと、
を具備し、
前記発音部は、前記イヤピースよりも鼓膜側に配置され、
前記収音部は、前記イヤピースにより周囲音を遮音する遮音位置付近に配置される、
音響装置。 - 前記イヤピースは、前記発音部が鼓膜側を向くように、前記ハウジングを支持する、
請求項1に記載の音響装置。 - 前記ハウジングは、ほぼ円筒形状を有し、
前記イヤピースは、前記ハウジングの中心軸の傾斜角度が可変となるように、前記ハウジングを支持する、
請求項1に記載の音響装置。 - 前記イヤピースは、外耳道の内壁と当接する傘部と、前記傘部内で前記ハウジングを保持する筒部を備え、前記傘部の中心軸に対する前記ハウジングの中心軸の傾斜角度が可変となるように、前記ハウジングを支持する、
請求項3に記載の音響装置。 - 前記ハウジングは、前記イヤピースにより周囲音を遮音する遮音位置付近に、前記収音部用の音孔が穿設されている、
請求項1に記載の音響装置。 - 前記イヤピースは、外耳道の内壁と当接する傘部と、前記傘部内で前記ハウジングを保持する筒部を備え、
前記音孔は、前記傘部の内側に配置される、
請求項5に記載の音響装置。 - 前記イヤピースは、前記傘部内で前記ハウジングを保持する筒部を備え、
前記筒部は、前記音孔に対応する場所に開口部を有する、
請求項6に記載の音響装置。 - 前記ハウジングは、前記発音部から出力される音響の音響特性を調整するための前面空間又は背面空間の少なくとも一方を有する、
請求項1に記載の音響装置。 - 前記ハウジングは、前記前面空間と、前記前面空間から前記ハウジングの鼓膜側の先端まで延びる音導部を備える、
請求項8に記載の音響装置。 - 前記ハウジングは、前記前面空間及び前記背面空間を後方に備える、
請求項8に記載の音響装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023214482A JP2024026421A (ja) | 2019-02-05 | 2023-12-20 | 音響装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019018482 | 2019-02-05 | ||
JP2019018482 | 2019-02-05 | ||
PCT/JP2019/044410 WO2020161982A1 (ja) | 2019-02-05 | 2019-11-12 | 音響装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023214482A Division JP2024026421A (ja) | 2019-02-05 | 2023-12-20 | 音響装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020161982A1 JPWO2020161982A1 (ja) | 2021-12-02 |
JP7409327B2 true JP7409327B2 (ja) | 2024-01-09 |
Family
ID=71947533
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020570377A Active JP7409327B2 (ja) | 2019-02-05 | 2019-11-12 | 音響装置 |
JP2023214482A Pending JP2024026421A (ja) | 2019-02-05 | 2023-12-20 | 音響装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023214482A Pending JP2024026421A (ja) | 2019-02-05 | 2023-12-20 | 音響装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220095033A1 (ja) |
EP (1) | EP3923596A4 (ja) |
JP (2) | JP7409327B2 (ja) |
KR (1) | KR102651750B1 (ja) |
CN (1) | CN113383558A (ja) |
WO (1) | WO2020161982A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7405660B2 (ja) * | 2020-03-19 | 2023-12-26 | Lineヤフー株式会社 | 出力装置、出力方法及び出力プログラム |
KR102248583B1 (ko) * | 2021-02-16 | 2021-05-06 | 주식회사 아즈라 | 액티브 노이즈 켄슬링 기능을 향상시킨 격벽구조를 포함하는 이어팁 |
KR102396123B1 (ko) * | 2021-02-24 | 2022-05-10 | 목포해양대학교 산학협력단 | 이어플러그 이어폰 |
US11540043B1 (en) * | 2021-06-29 | 2022-12-27 | Bose Corporation | Active noise reduction earbud |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015194234A1 (ja) | 2014-06-18 | 2015-12-23 | ソニー株式会社 | 挿耳装置 |
WO2018105668A1 (ja) | 2016-12-06 | 2018-06-14 | ヤマハ株式会社 | 音響装置及び音響処理方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539440A (en) * | 1983-05-16 | 1985-09-03 | Michael Sciarra | In-canal hearing aid |
US7804975B2 (en) * | 2005-07-01 | 2010-09-28 | Phonak Ag | In-ear device |
US20110051979A1 (en) * | 2009-09-03 | 2011-03-03 | Monster Cable Products, Inc. | Headphone Ear Tips with Sound Conduit Mounting Structure |
US9082388B2 (en) * | 2012-05-25 | 2015-07-14 | Bose Corporation | In-ear active noise reduction earphone |
US20160277837A1 (en) * | 2013-11-11 | 2016-09-22 | Sharp Kabushiki Kaisha | Earphone and earphone system |
JP2016086281A (ja) | 2014-10-24 | 2016-05-19 | ソニー株式会社 | イヤホン |
JP6330649B2 (ja) * | 2014-12-19 | 2018-05-30 | 株式会社Jvcケンウッド | マイク付イヤホン |
JP6274247B2 (ja) | 2016-04-18 | 2018-02-07 | ソニー株式会社 | フィードフォワード方式のノイズキャンセリングヘッドホン及びフィードバック方式のノイズキャンセリングヘッドホン |
-
2019
- 2019-11-12 EP EP19914318.1A patent/EP3923596A4/en active Pending
- 2019-11-12 WO PCT/JP2019/044410 patent/WO2020161982A1/ja unknown
- 2019-11-12 CN CN201980090851.0A patent/CN113383558A/zh active Pending
- 2019-11-12 JP JP2020570377A patent/JP7409327B2/ja active Active
- 2019-11-12 US US17/426,622 patent/US20220095033A1/en active Pending
- 2019-11-12 KR KR1020217023275A patent/KR102651750B1/ko active IP Right Grant
-
2023
- 2023-12-20 JP JP2023214482A patent/JP2024026421A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015194234A1 (ja) | 2014-06-18 | 2015-12-23 | ソニー株式会社 | 挿耳装置 |
WO2018105668A1 (ja) | 2016-12-06 | 2018-06-14 | ヤマハ株式会社 | 音響装置及び音響処理方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113383558A (zh) | 2021-09-10 |
JP2024026421A (ja) | 2024-02-28 |
US20220095033A1 (en) | 2022-03-24 |
EP3923596A1 (en) | 2021-12-15 |
EP3923596A4 (en) | 2022-03-30 |
KR102651750B1 (ko) | 2024-03-28 |
WO2020161982A1 (ja) | 2020-08-13 |
JPWO2020161982A1 (ja) | 2021-12-02 |
KR20210124221A (ko) | 2021-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7409327B2 (ja) | 音響装置 | |
CN107787589B (zh) | 噪声消除***、耳机和电子装置 | |
EP2991376B1 (en) | Acoustic reproduction apparatus and sound-collecting acoustic reproduction apparatus | |
US10075783B2 (en) | Acoustically summed reference microphone for active noise control | |
JP4836744B2 (ja) | ヘッドホン | |
JP2007214883A (ja) | 受話装置 | |
JP5059501B2 (ja) | ヘッドホン | |
WO2007089033A1 (ja) | 電気音響変換器及びイヤースピーカ装置 | |
JP7020398B2 (ja) | ウェアラブル装置 | |
CN111801950A (zh) | 无线耳机 | |
JP2017125937A (ja) | 音声信号処理装置 | |
CN110300345B (zh) | 音响输出装置以及音响输出装置的控制方法 | |
US20240064454A1 (en) | Active Noise Reduction Earbud | |
JP4963979B2 (ja) | ヘッドホン | |
JPH05333873A (ja) | 雑音低減装置 | |
KR200426390Y1 (ko) | 마이크를 구비하는 이어폰 | |
JPH0354990A (ja) | イヤーマイクロフォンおよびその使用方法 | |
WO2023095757A1 (ja) | 音響装置 | |
JP4208138B2 (ja) | 耳装着型の音情報伝達器 | |
KR101065856B1 (ko) | 골전도 스피커 | |
JPS6031350Y2 (ja) | 収音再生機器システム | |
JPH099383A (ja) | イヤホン等のイヤピース | |
JPH08265888A (ja) | 骨伝導イヤホンマイク | |
JP2017112529A (ja) | 音響出力装置 | |
CN115580801A (zh) | 耳机及耳机盒组件 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220915 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20231031 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231106 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231121 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231204 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7409327 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |