BE567935A - - Google Patents
Info
- Publication number
- BE567935A BE567935A BE567935DA BE567935A BE 567935 A BE567935 A BE 567935A BE 567935D A BE567935D A BE 567935DA BE 567935 A BE567935 A BE 567935A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- amplification device
- sound
- selectivity
- schematic
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000001575 pathological effect Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 210000003454 tympanic membrane Anatomy 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE567935T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE567935A true BE567935A (cs) |
Family
ID=3873011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE567935D BE567935A (cs) |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE567935A (cs) |
| FR (1) | FR1238275A (cs) |
-
0
- BE BE567935D patent/BE567935A/fr unknown
- FR FR1238275D patent/FR1238275A/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR1238275A (cs) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0005409B1 (fr) | Transducteurs piézoélectriques à amplification mécanique pour très basses fréquences et antennes acoustiques | |
| FR2503515A1 (fr) | Haut-parleur omnidirectionnel pour les frequences aigues du spectre sonore | |
| JPS6327720B2 (cs) | ||
| JPS59181137A (ja) | 聴診器ヘツド | |
| FR2875695A1 (fr) | Instrument de mesure de l'elasticite d'un organe du type comportant un moyen de centrage | |
| CN104921751A (zh) | 接触式拾音麦克风和听诊器 | |
| JP2019502280A (ja) | 広帯域水中音響送受信装置 | |
| BE567935A (cs) | ||
| US4151378A (en) | Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise | |
| CN111973214B (zh) | 一种听诊器听头配合结构 | |
| FR2759526A1 (fr) | Enceinte de haut-parleur a ligne de transmission acoustique comportant des cylindres concentriques | |
| US2086107A (en) | Condenser microphone | |
| US20030173144A1 (en) | Earpiece assembly for stethoscopes | |
| CN219830964U (zh) | 声学阻抗管 | |
| JP7425653B2 (ja) | 聴診器 | |
| US2658470A (en) | Sound producing device | |
| JP2016057243A (ja) | 音響特性測定装置 | |
| Gazengel et al. | A dome shaped pvdf loudspeaker model | |
| CH324246A (fr) | Appareil d'écoute pour la détection des écoulements de fluides | |
| WO2016125956A1 (ko) | 불연 피에조 압전 스피커장치 | |
| BE1001177A6 (fr) | Stethoscope stereophonique. | |
| BE343959A (cs) | ||
| FR3071317A1 (fr) | Dispositif pour la compression d’un echantillon biologique, systeme et banc de mesure de la rigidite d’un echantillon comprenant un tel dispositif | |
| US709978A (en) | Auriphone. | |
| BE384596A (cs) |