KR20010007204A - 오디오 장치 - Google Patents
오디오 장치 Download PDFInfo
- Publication number
- KR20010007204A KR20010007204A KR1020000030373A KR20000030373A KR20010007204A KR 20010007204 A KR20010007204 A KR 20010007204A KR 1020000030373 A KR1020000030373 A KR 1020000030373A KR 20000030373 A KR20000030373 A KR 20000030373A KR 20010007204 A KR20010007204 A KR 20010007204A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- audio
- transducer
- ultrasonic
- audio signal
- 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.)
- Withdrawn
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000010354 integration Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 230000004044 response Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 9
- 238000002604 ultrasonography Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/08—Pulse-modulation recording or reproducing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9913848.9 | 1999-06-14 | ||
| GB9913848A GB2351169B (en) | 1999-06-14 | 1999-06-14 | Audio apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20010007204A true KR20010007204A (ko) | 2001-01-26 |
Family
ID=10855344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000030373A Withdrawn KR20010007204A (ko) | 1999-06-14 | 2000-06-02 | 오디오 장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7016508B1 (enExample) |
| EP (1) | EP1061770A3 (enExample) |
| JP (1) | JP2001025081A (enExample) |
| KR (1) | KR20010007204A (enExample) |
| GB (1) | GB2351169B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10140646C2 (de) * | 2001-08-18 | 2003-11-20 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur gerichteten Audio-Beschallung |
| US8849185B2 (en) * | 2003-04-15 | 2014-09-30 | Ipventure, Inc. | Hybrid audio delivery system and method therefor |
| KR100626521B1 (ko) | 2004-01-06 | 2006-09-20 | 주식회사 팬택앤큐리텔 | 이동통신 단말기에서의 극초음파를 이용한 음향 출력 장치 |
| US20070165892A1 (en) * | 2004-06-28 | 2007-07-19 | Koninklijke Philips Electronics, N.V. | Wireless audio |
| US7463165B1 (en) * | 2005-08-31 | 2008-12-09 | Preco Electronics, Inc. | Directional back-up alarm |
| KR100622078B1 (ko) * | 2005-11-21 | 2006-09-13 | 주식회사 솔리토닉스 | 초지향성 스피커 시스템 및 신호처리 방법 |
| US8249268B2 (en) * | 2010-01-26 | 2012-08-21 | Cheng Yih Jenq | Woofer-less and enclosure-less loudspeaker system |
| US8917881B2 (en) * | 2010-01-26 | 2014-12-23 | Cheng Yih Jenq | Enclosure-less loudspeaker system |
| US9380380B2 (en) | 2011-01-07 | 2016-06-28 | Stmicroelectronics S.R.L. | Acoustic transducer and interface circuit |
| JP5872163B2 (ja) | 2011-01-07 | 2016-03-01 | オムロン株式会社 | 音響トランスデューサ、および該音響トランスデューサを利用したマイクロフォン |
| US9191746B2 (en) | 2012-08-24 | 2015-11-17 | Cheng Yih Jenq | Loudspeaker driver with dual electromagnet assemblies |
| WO2014077234A1 (ja) * | 2012-11-13 | 2014-05-22 | Ｎｅｃカシオモバイルコミュニケーションズ株式会社 | 音響システム及び電子機器 |
| JP5553463B1 (ja) * | 2014-03-13 | 2014-07-16 | 株式会社ソニック | パルス圧縮超音波探知装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119293A (ja) * | 1982-01-08 | 1983-07-15 | Nippon Columbia Co Ltd | 電気音響変換装置 |
| JPS6075199A (ja) * | 1983-09-30 | 1985-04-27 | Ricoh Co Ltd | 電気音響変換装置 |
| JPH0754996B2 (ja) * | 1984-03-26 | 1995-06-07 | 株式会社リコー | 電気音響変換装置 |
| WO1986001670A1 (en) * | 1984-08-28 | 1986-03-13 | Matsushita Electric Industrial Co., Ltd. | Directional speaker system |
| AU602031B2 (en) | 1986-12-29 | 1990-09-27 | Sony Corporation | Filter circuit |
| JPH03252233A (ja) | 1990-03-01 | 1991-11-11 | Kemikaraijingu Kenkyusho:Kk | 通信装置 |
| JP2722858B2 (ja) | 1991-06-03 | 1998-03-09 | 松下電器産業株式会社 | 開平演算装置 |
| US5539705A (en) * | 1994-10-27 | 1996-07-23 | Martin Marietta Energy Systems, Inc. | Ultrasonic speech translator and communications system |
| JPH08167924A (ja) | 1994-12-14 | 1996-06-25 | Kyocera Corp | 無線電話装置 |
| US5889870A (en) | 1996-07-17 | 1999-03-30 | American Technology Corporation | Acoustic heterodyne device and method |
| US6229899B1 (en) | 1996-07-17 | 2001-05-08 | American Technology Corporation | Method and device for developing a virtual speaker distant from the sound source |
-
1999
- 1999-06-14 GB GB9913848A patent/GB2351169B/en not_active Expired - Fee Related
-
2000
- 2000-05-23 US US09/576,039 patent/US7016508B1/en not_active Expired - Fee Related
- 2000-05-26 EP EP00304488A patent/EP1061770A3/en not_active Withdrawn
- 2000-06-02 KR KR1020000030373A patent/KR20010007204A/ko not_active Withdrawn
- 2000-06-13 JP JP2000177495A patent/JP2001025081A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB9913848D0 (en) | 1999-08-11 |
| US7016508B1 (en) | 2006-03-21 |
| GB2351169B (en) | 2003-11-19 |
| EP1061770A2 (en) | 2000-12-20 |
| EP1061770A3 (en) | 2005-02-23 |
| GB2351169A (en) | 2000-12-20 |
| JP2001025081A (ja) | 2001-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20000602 |
|
| PG1501 | Laying open of application | ||
| G170 | Re-publication after modification of scope of protection [patent] | ||
| PG1701 | Publication of correction | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |