KR100916007B1 - 소형 확성기들을 위한 고효율 드라이버 - Google Patents
소형 확성기들을 위한 고효율 드라이버 Download PDFInfo
- Publication number
- KR100916007B1 KR100916007B1 KR1020047008275A KR20047008275A KR100916007B1 KR 100916007 B1 KR100916007 B1 KR 100916007B1 KR 1020047008275 A KR1020047008275 A KR 1020047008275A KR 20047008275 A KR20047008275 A KR 20047008275A KR 100916007 B1 KR100916007 B1 KR 100916007B1
- Authority
- KR
- South Korea
- Prior art keywords
- delete delete
- loudspeaker
- level
- driver
- signal
- Prior art date
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Classifications
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- 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
- H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
Abstract
Description
Claims (33)
- 소형 확성기 조립체로서,EMI 차폐재료로 만들어진 확성기 케이스(case)를 포함하여 구성되며,상기 확성기 케이스는,디지털 입력 신호를 수신하는 디지털 인터페이스와;상기 디지털 입력 신호를 수신하며, 3-레벨 PDM 신호를 제공하는 3-레벨 시그마-델타 변조기와;상기 3-레벨 PDM 신호를 적어도 5개의 상태들을 갖는 펄스들의 패턴으로 변환하기 위한 필터를 포함하는 보정 회로와;상기 펄스들의 패턴을 레벨 의존 RTZ 상태들을 갖는 펄스들의 패턴으로 변환하는 패턴 발생기와; 그리고상기 레벨 의존 RTZ 상태들을 갖는 펄스들의 패턴을 수신함과 아울러 음향신호를 생성하기 위해 다이어프램을 구동하는 모터를 포함하는 확성기를 포함하여 구성되는 것을 특징으로 하는 소형 확성기 조립체.
- 제 1 항에 있어서,상기 디지털 인터페이스는 SPDIF, AES/EBU, PCM, SSI 및 I2S로 구성되는 군으로부터 선택된 신호포맷들을 수신하여 처리하는 것을 특징으로 하는 소형 확성기 조립체.
- 제 1 항에 있어서,독립적인 제어를 제공하기 위한 적어도 4개의 스위치들을 포함하는 3-레벨 H-브릿지를 더 포함하는 것을 특징으로 하는 소형 확성기 조립체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 따른 소형 확성기 조립체를 포함하는 이동 디바이스.
- 제 4 항에 있어서,상기 이동 디바이스는 이동 전화기, 보청기, 청각보조장치, 헤드-셋들(head-sets), 팜(palm) 컴퓨터, 및 랩탑(laptop) 컴퓨터로 구성되는 군으로부터 선택되는 것을 특징으로 하는 이동 디바이스.
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33435801P | 2001-11-30 | 2001-11-30 | |
US60/334,358 | 2001-11-30 | ||
US40438902P | 2002-08-20 | 2002-08-20 | |
US60/404,389 | 2002-08-20 | ||
PCT/DK2002/000811 WO2003047309A1 (en) | 2001-11-30 | 2002-12-02 | A high efficiency driver for miniature loudspeakers |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040063980A KR20040063980A (ko) | 2004-07-15 |
KR100916007B1 true KR100916007B1 (ko) | 2009-09-10 |
Family
ID=26989164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047008275A KR100916007B1 (ko) | 2001-11-30 | 2002-12-02 | 소형 확성기들을 위한 고효율 드라이버 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7336794B2 (ko) |
EP (1) | EP1449404B1 (ko) |
KR (1) | KR100916007B1 (ko) |
CN (1) | CN1608393B (ko) |
AT (1) | ATE338440T1 (ko) |
AU (1) | AU2002358454A1 (ko) |
DE (1) | DE60214417T2 (ko) |
WO (1) | WO2003047309A1 (ko) |
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FR2866166B1 (fr) * | 2004-02-06 | 2006-06-16 | Anagram Technologies Sa | Modulateur en treillis vectoriel |
ATE413788T1 (de) * | 2004-02-08 | 2008-11-15 | Widex As | Ausgangsstufe für ein hörgerät und verfahren zur ansteuerung einer ausgangsstufe |
DE102005006858A1 (de) * | 2005-02-15 | 2006-09-07 | Siemens Audiologische Technik Gmbh | Hörhilfegerät mit einem Ausgangsverstärker, der einen Sigma-Delta-Modulator umfasst |
US7746935B2 (en) * | 2005-05-13 | 2010-06-29 | Xienetics, Inc. | Digital amplifier system for driving a capacitive load |
DK1758261T3 (da) * | 2005-08-22 | 2010-10-18 | Oticon As | System til trådløst at sende og modtage induktivt koblede data |
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2002
- 2002-12-02 AU AU2002358454A patent/AU2002358454A1/en not_active Abandoned
- 2002-12-02 KR KR1020047008275A patent/KR100916007B1/ko not_active IP Right Cessation
- 2002-12-02 WO PCT/DK2002/000811 patent/WO2003047309A1/en active IP Right Grant
- 2002-12-02 DE DE60214417T patent/DE60214417T2/de not_active Expired - Lifetime
- 2002-12-02 US US10/307,290 patent/US7336794B2/en active Active
- 2002-12-02 CN CN028235975A patent/CN1608393B/zh not_active Expired - Fee Related
- 2002-12-02 EP EP02792698A patent/EP1449404B1/en not_active Expired - Lifetime
- 2002-12-02 AT AT02792698T patent/ATE338440T1/de not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
US20030123681A1 (en) | 2003-07-03 |
EP1449404A1 (en) | 2004-08-25 |
AU2002358454A1 (en) | 2003-06-10 |
DE60214417D1 (de) | 2006-10-12 |
KR20040063980A (ko) | 2004-07-15 |
WO2003047309A1 (en) | 2003-06-05 |
CN1608393A (zh) | 2005-04-20 |
ATE338440T1 (de) | 2006-09-15 |
EP1449404B1 (en) | 2006-08-30 |
DE60214417T2 (de) | 2007-10-18 |
CN1608393B (zh) | 2011-08-24 |
US7336794B2 (en) | 2008-02-26 |
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