JP2002247683A - 内部a/d変換器を備えたマイクロホン - Google Patents
内部a/d変換器を備えたマイクロホンInfo
- Publication number
- JP2002247683A JP2002247683A JP2001174543A JP2001174543A JP2002247683A JP 2002247683 A JP2002247683 A JP 2002247683A JP 2001174543 A JP2001174543 A JP 2001174543A JP 2001174543 A JP2001174543 A JP 2001174543A JP 2002247683 A JP2002247683 A JP 2002247683A
- Authority
- JP
- Japan
- Prior art keywords
- digital
- microphone
- analog
- casing
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 abstract description 3
- 235000019800 disodium phosphate Nutrition 0.000 description 24
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Circuit For Audible Band Transducer (AREA)
- Analogue/Digital Conversion (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26617601P | 2001-02-02 | 2001-02-02 | |
| US60/266176 | 2001-02-02 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011203303A Division JP2012019543A (ja) | 2001-02-02 | 2011-09-16 | 内部a/d変換器を備えたマイクロホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002247683A true JP2002247683A (ja) | 2002-08-30 |
| JP2002247683A5 JP2002247683A5 (cg-RX-API-DMAC7.html) | 2008-07-24 |
Family
ID=23013487
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001174543A Pending JP2002247683A (ja) | 2001-02-02 | 2001-06-08 | 内部a/d変換器を備えたマイクロホン |
| JP2011203303A Pending JP2012019543A (ja) | 2001-02-02 | 2011-09-16 | 内部a/d変換器を備えたマイクロホン |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011203303A Pending JP2012019543A (ja) | 2001-02-02 | 2011-09-16 | 内部a/d変換器を備えたマイクロホン |
Country Status (1)
| Country | Link |
|---|---|
| JP (2) | JP2002247683A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010520728A (ja) * | 2007-03-05 | 2010-06-10 | ジートロニクス・インコーポレーテッド | 信号処理機能を有する小占有面積のマイクロホン・モジュール |
| JP7590248B2 (ja) | 2021-03-29 | 2024-11-26 | 旭化成株式会社 | 録音装置 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0497698A (ja) * | 1990-08-14 | 1992-03-30 | Matsushita Electric Ind Co Ltd | マイクロホンおよびデジタルオーディオ装置 |
| JPH06318872A (ja) * | 1993-04-12 | 1994-11-15 | Asahi Kasei Micro Syst Kk | Δςモジュレータ |
| JPH0793582B2 (ja) * | 1991-05-21 | 1995-10-09 | エイ・ティ・アンド・ティ・コーポレーション | シグマ−デルタ変調器 |
| JPH08162961A (ja) * | 1994-11-29 | 1996-06-21 | Sanyo Electric Co Ltd | A/d変換器 |
| JPH10145232A (ja) * | 1996-09-10 | 1998-05-29 | Sharp Corp | デルタシグマ変調回路およびそれを用いる信号伝送または記録再生装置 |
| US5796848A (en) * | 1995-12-07 | 1998-08-18 | Siemens Audiologische Technik Gmbh | Digital hearing aid |
| JPH10322214A (ja) * | 1997-05-15 | 1998-12-04 | Nippon Baa Braun Kk | オフセット除去機能付のアナログ−デジタル変換器 |
| JPH1117549A (ja) * | 1997-06-24 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Ad変換装置 |
| JP2000174627A (ja) * | 1998-12-10 | 2000-06-23 | Toshiba Corp | シグマデルタ型a/d変換装置 |
| JP2000224690A (ja) * | 1999-02-02 | 2000-08-11 | Matsushita Electric Ind Co Ltd | デジタルマイクロホンおよびデジタルマイクロホンのマイクアンプ遠隔制御装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722433B2 (ja) * | 1985-05-10 | 1995-03-08 | 松下電器産業株式会社 | コンデンサマイクの電源回路 |
| JP2734265B2 (ja) * | 1991-12-12 | 1998-03-30 | 日本電気株式会社 | エレクトレット・コンデンサ・マイクロフォン用増幅回路 |
| JP3214981B2 (ja) * | 1994-06-30 | 2001-10-02 | 旭化成マイクロシステム株式会社 | Agc機能付きデルタシグマ型a/d変換器 |
| JPH08168091A (ja) * | 1994-10-12 | 1996-06-25 | Sony Corp | A/dコンバータ装置 |
| JP3701757B2 (ja) * | 1996-11-19 | 2005-10-05 | 株式会社オーディオテクニカ | コンデンサマイクロホンの電源回路 |
-
2001
- 2001-06-08 JP JP2001174543A patent/JP2002247683A/ja active Pending
-
2011
- 2011-09-16 JP JP2011203303A patent/JP2012019543A/ja active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0497698A (ja) * | 1990-08-14 | 1992-03-30 | Matsushita Electric Ind Co Ltd | マイクロホンおよびデジタルオーディオ装置 |
| JPH0793582B2 (ja) * | 1991-05-21 | 1995-10-09 | エイ・ティ・アンド・ティ・コーポレーション | シグマ−デルタ変調器 |
| JPH06318872A (ja) * | 1993-04-12 | 1994-11-15 | Asahi Kasei Micro Syst Kk | Δςモジュレータ |
| JPH08162961A (ja) * | 1994-11-29 | 1996-06-21 | Sanyo Electric Co Ltd | A/d変換器 |
| US5796848A (en) * | 1995-12-07 | 1998-08-18 | Siemens Audiologische Technik Gmbh | Digital hearing aid |
| JPH10145232A (ja) * | 1996-09-10 | 1998-05-29 | Sharp Corp | デルタシグマ変調回路およびそれを用いる信号伝送または記録再生装置 |
| JPH10322214A (ja) * | 1997-05-15 | 1998-12-04 | Nippon Baa Braun Kk | オフセット除去機能付のアナログ−デジタル変換器 |
| JPH1117549A (ja) * | 1997-06-24 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Ad変換装置 |
| JP2000174627A (ja) * | 1998-12-10 | 2000-06-23 | Toshiba Corp | シグマデルタ型a/d変換装置 |
| JP2000224690A (ja) * | 1999-02-02 | 2000-08-11 | Matsushita Electric Ind Co Ltd | デジタルマイクロホンおよびデジタルマイクロホンのマイクアンプ遠隔制御装置 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010520728A (ja) * | 2007-03-05 | 2010-06-10 | ジートロニクス・インコーポレーテッド | 信号処理機能を有する小占有面積のマイクロホン・モジュール |
| JP7590248B2 (ja) | 2021-03-29 | 2024-11-26 | 旭化成株式会社 | 録音装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012019543A (ja) | 2012-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1364555B1 (en) | Microphone unit with internal a/d converter | |
| EP1493303B1 (en) | Microphone assembly with auxiliary analog input | |
| US8644539B2 (en) | Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device | |
| JP4986182B2 (ja) | 電子機器用音響処理システム、方法及び携帯電話端末 | |
| US20190130930A1 (en) | Active noise control headphones | |
| US10325584B2 (en) | Active noise cancelling device and method of actively cancelling acoustic noise | |
| JPH10509849A (ja) | 雑音相殺装置 | |
| EP0719493A4 (en) | DEVICE AND METHOD FOR REDUCING SOUND RETURN | |
| US11536757B2 (en) | Capacitive sensor assemblies and electrical circuits therefor | |
| US20050207596A1 (en) | Packaged digital microphone device with auxiliary line-in function | |
| JP2000278786A (ja) | マイクロホン装置 | |
| JP2012019543A (ja) | 内部a/d変換器を備えたマイクロホン | |
| JP2003078987A (ja) | マイクロホン装置 | |
| US6768803B1 (en) | Method and apparatus for selective acoustic signal filtering | |
| KR100474310B1 (ko) | 휴대폰의 소음 제거 장치 | |
| CN201178491Y (zh) | 整合滤波电路及功率调整电路的微型扬声装置 | |
| CN114598968B (zh) | 一种模拟麦克风前置降噪电路及装置 | |
| CN217335885U (zh) | 麦克风 | |
| JP2006094147A (ja) | イヤーセット | |
| Beckmann | How digital signal processing can enhance the utility and performance of microphones | |
| TWI221078B (en) | Environmental noise filtering circuit | |
| EP1793649B1 (en) | Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device | |
| JP2023501911A (ja) | 雑音を低減するための電気装置 | |
| CN1819466A (zh) | 助听器用调频收音机 | |
| HK1069705B (en) | Method and device for controlling the bass reproduction of audio signals in electroacoustic transducers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080609 |
|
| A621 | Written request for application examination |
Effective date: 20080609 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
| A977 | Report on retrieval |
Effective date: 20100820 Free format text: JAPANESE INTERMEDIATE CODE: A971007 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100831 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20101126 |
|
| A602 | Written permission of extension of time |
Effective date: 20101201 Free format text: JAPANESE INTERMEDIATE CODE: A602 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101224 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110208 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110419 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110517 |
|
| A521 | Written amendment |
Effective date: 20110916 Free format text: JAPANESE INTERMEDIATE CODE: A523 |
|
| A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Effective date: 20110926 Free format text: JAPANESE INTERMEDIATE CODE: A911 |
|
| A912 | Removal of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20111014 |