KR20170015409A - 전기 음향 변환 장치 - Google Patents
전기 음향 변환 장치 Download PDFInfo
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- KR20170015409A KR20170015409A KR1020170011684A KR20170011684A KR20170015409A KR 20170015409 A KR20170015409 A KR 20170015409A KR 1020170011684 A KR1020170011684 A KR 1020170011684A KR 20170011684 A KR20170011684 A KR 20170011684A KR 20170015409 A KR20170015409 A KR 20170015409A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/88—Mounts; Supports; Enclosures; Casings
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- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
- H04R1/1058—Manufacture or assembly
- H04R1/1075—Mountings of transducers in earphones or headphones
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- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/01—Non-planar magnetostrictive, piezoelectric or electrostrictive benders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Otolaryngology (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Headphones And Earphones (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
본 발명의 일 실시 형태에 따른 전기 음향 변환 장치는 압전식 발음체(20)와 광체와 지지 부재(23)를 구비한다. 압전식 발음체(20)는 주연부(111)를 포함하는 진동판(11)과, 진동판(11)에 접합된 압전 소자(12)를 포함한다. 상기 광체는 압전식 발음체(20)를 수용한다. 지지 부재(23)는 상기 광체의 일부 또는 별도의 부재로 구성되고, 진동판(11)을 상기 주연부(111)의 복수의 영역에서 지지한다.
Description
도 2는 상기 참고예에 따른 스피커 유닛의 주파수 특성을 도시하는 일 실험 결과.
도 3은 본 발명의 제1 실시 형태에 따른 전기 음향 변환 장치에서의 스피커 유닛의 전체 사시도.
도 4는 도 3에 도시하는 스피커 유닛의 분해 사시도.
도 5는 도 3에 도시하는 스피커 유닛의 주파수 특성을 도시하는 일 실험 결과.
도 6은 도 3에 도시하는 스피커 유닛의 구성의 변형예를 도시하는 개략 측단면도.
도 7은 본 발명의 제2 실시 형태에 따른 전기 음향 변환 장치에서의 스피커 유닛의 개략 측단면도.
도 8은 도 7에 도시하는 스피커 유닛의 주파수 특성을 도시하는 일 실험 결과.
도 9는 도 3에 도시하는 스피커 유닛 및 도 7에 도시하는 스피커 유닛의 주파수 특성을 비교하여 도시하는 도면.
도 10은 본 발명의 제3 실시 형태에 따른 전기 음향 변환 장치에서의 스피커 유닛의 개략 구성도이며, 도 10의 A는 측단면도, 도 10의 B는 평면도.
도 11은 본 발명의 제4 실시 형태에 따른 전기 음향 변환 장치에서의 스피커 유닛의 개략 구성도이며, 도 11의 A는 측단면도, 도 11의 B는 평면도.
도 12는 본 발명의 제5 실시 형태에 따른 전기 음향 변환 장치에서의 스피커 유닛의 개략 측단면도.
도 13은 본 발명의 제6 실시 형태에 따른 전기 음향 변환 장치의 개략 측단면도.
도 14는 도 13에 도시하는 전기 음향 변환 장치의 구성의 변형예를 도시하는 개략 측단면도.
도 15는 도 3에 도시하는 스피커 유닛의 구성의 변형예를 도시하는 전체 사시도.
12: 압전 소자 20, 50, 60: 압전식 발음체
25: 전자식 발음체 23, 33, 43, 53, 73: 지지 부재
34, 44, 74: 점착층 41: 광체
100, 200: 이어폰(전기 음향 변환 장치) 111:(진동판의) 주연부
134: 환 형상 부재(지지 부재) 230, 330, 430, 530, 730: 환 형상체
233, 433: 돌기 511: 돌출편
Claims (2)
- 주연부를 포함하는 진동판과, 상기 진동판에 접합된 압전 소자와, 상기 진동판 상의 상기 압전 소자와 상기 주연부 사이의 영역에 설치된 관통공을 포함하는 압전식 발음체;
상기 압전식 발음체를 수용하는 광체;
상기 광체의 내부에 수용되고, 진동체를 포함하는 전자식 발음체;
상기 광체의 일부 또는 별도의 부재로 구성되고, 상기 진동판의 상기 주연부를 지지하는 복수의 돌기를 포함하는 지지 부재; 및
상기 주연부와 상기 복수의 돌기 사이에 설치된 양면 점착 테이프;
를 구비하는 전기 음향 변환 장치. - 주연부를 포함하는 진동판과, 상기 진동판에 접합된 압전 소자를 포함하는 압전식 발음체;
상기 압전식 발음체를 수용하는 광체;
상기 광체의 내부에 수용되고, 진동체를 포함하는 전자식 발음체;
상기 진동판의 상기 주연부를 지지하는 복수의 돌기를 포함하는 제1 단부와, 상기 전자식 발음체를 지지하는 제2 단부를 포함하고, 상기 광체의 내부에 수용되는 지지 부재; 및
상기 주연부와 상기 복수의 돌기 사이에 설치된 양면 점착 테이프;
를 구비하는 전기 음향 변환 장치.
Applications Claiming Priority (2)
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JPJP-P-2014-243807 | 2014-12-02 | ||
JP2014243807 | 2014-12-02 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020160153795A Division KR101731875B1 (ko) | 2014-12-02 | 2016-11-18 | 전기 음향 변환 장치 |
Publications (2)
Publication Number | Publication Date |
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KR20170015409A true KR20170015409A (ko) | 2017-02-08 |
KR101781901B1 KR101781901B1 (ko) | 2017-09-27 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150110510A Expired - Fee Related KR101731872B1 (ko) | 2014-12-02 | 2015-08-05 | 전기 음향 변환 장치 |
KR1020160153795A Expired - Fee Related KR101731875B1 (ko) | 2014-12-02 | 2016-11-18 | 전기 음향 변환 장치 |
KR1020170011684A Expired - Fee Related KR101781901B1 (ko) | 2014-12-02 | 2017-01-25 | 전기 음향 변환 장치 |
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KR1020150110510A Expired - Fee Related KR101731872B1 (ko) | 2014-12-02 | 2015-08-05 | 전기 음향 변환 장치 |
KR1020160153795A Expired - Fee Related KR101731875B1 (ko) | 2014-12-02 | 2016-11-18 | 전기 음향 변환 장치 |
Country Status (5)
Country | Link |
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US (2) | US9601682B2 (ko) |
JP (3) | JP5768198B1 (ko) |
KR (3) | KR101731872B1 (ko) |
CN (3) | CN105657623A (ko) |
TW (2) | TWI640204B (ko) |
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2015
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- 2015-02-17 JP JP2015028242A patent/JP5826417B1/ja active Active
- 2015-03-27 JP JP2015066539A patent/JP6585361B2/ja active Active
- 2015-08-05 KR KR1020150110510A patent/KR101731872B1/ko not_active Expired - Fee Related
- 2015-09-02 TW TW106110195A patent/TWI640204B/zh active
- 2015-09-02 TW TW104129055A patent/TWI600329B/zh active
- 2015-10-19 US US14/887,214 patent/US9601682B2/en active Active
- 2015-10-29 CN CN201510717670.XA patent/CN105657623A/zh active Pending
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- 2015-11-02 US US14/930,528 patent/US20160157020A1/en not_active Abandoned
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JP2013150305A (ja) | 2011-12-20 | 2013-08-01 | Taiyo Yuden Co Ltd | 圧電発音体及びそれを利用した電子機器 |
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KR20160137471A (ko) | 2016-11-30 |
HK1225888A1 (zh) | 2017-09-15 |
JP2016111662A (ja) | 2016-06-20 |
TW201622435A (zh) | 2016-06-16 |
KR101731872B1 (ko) | 2017-05-02 |
TWI600329B (zh) | 2017-09-21 |
CN105657624B (zh) | 2019-03-12 |
CN105657625B (zh) | 2020-03-10 |
TWI640204B (zh) | 2018-11-01 |
US20160155926A1 (en) | 2016-06-02 |
JP2016111666A (ja) | 2016-06-20 |
KR101781901B1 (ko) | 2017-09-27 |
KR101731875B1 (ko) | 2017-05-02 |
JP5768198B1 (ja) | 2015-08-26 |
CN105657623A (zh) | 2016-06-08 |
CN105657625A (zh) | 2016-06-08 |
US9601682B2 (en) | 2017-03-21 |
HK1225887A1 (zh) | 2017-09-15 |
CN105657624A (zh) | 2016-06-08 |
TW201722173A (zh) | 2017-06-16 |
KR20160066488A (ko) | 2016-06-10 |
JP2016111663A (ja) | 2016-06-20 |
JP6585361B2 (ja) | 2019-10-02 |
US20160157020A1 (en) | 2016-06-02 |
JP5826417B1 (ja) | 2015-12-02 |
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