BE378192A - - Google Patents
Info
- Publication number
- BE378192A BE378192A BE378192DA BE378192A BE 378192 A BE378192 A BE 378192A BE 378192D A BE378192D A BE 378192DA BE 378192 A BE378192 A BE 378192A
- Authority
- BE
- Belgium
- Prior art keywords
- conductive
- loudspeaker
- powder
- desc
- current
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378192A true BE378192A (en:Method) |
Family
ID=48335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378192D BE378192A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE378192A (en:Method) |
-
0
- BE BE378192D patent/BE378192A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130328524A1 (en) | Rechargeable battery pack | |
| WO1982001636A1 (en) | Electroacoustic converter | |
| AU2015277299B2 (en) | Hearing aid battery door module | |
| US8600093B2 (en) | Capacitor microphone | |
| JP5492036B2 (ja) | グースネック型マイクロホン | |
| CN101141040A (zh) | 插头、声音输入和输出装置以及噪声消除系统 | |
| JP4683996B2 (ja) | コンデンサーマイクロホン | |
| JP2022174260A (ja) | 電気音響変換器及び電気音響変換装置 | |
| US11638082B2 (en) | Earphone with detachable add-on unit | |
| JP5786654B2 (ja) | ステレオマイク装置 | |
| KR100845670B1 (ko) | 일렉트릿 콘덴서 마이크로폰 | |
| JP4562032B2 (ja) | コンデンサーマイクロホン | |
| BE378192A (en:Method) | ||
| CN202424980U (zh) | 具备耳机功能的麦克风组装体 | |
| JP5171477B2 (ja) | コンデンサマイクロホンユニット | |
| US8224008B2 (en) | Hearing apparatus with a moveable charging contact | |
| JP4248467B2 (ja) | 狭指向性コンデンサマイクロホン | |
| JP2016184845A (ja) | バウンダリーマイクロホン | |
| EP1414267A2 (en) | Miniaturized loudspeakers | |
| CN112788463B (zh) | 一种耳机 | |
| JP6484832B2 (ja) | マイクロホン、マイクロホン用筐体 | |
| CN211089911U (zh) | 耳机 | |
| JP2007028027A (ja) | コンデンサマイクロホン | |
| JP5410333B2 (ja) | 単一指向性コンデンサマイクロホン | |
| JP5660767B2 (ja) | コンデンサマイクロホン |