DE253572C - - Google Patents
Info
- Publication number
- DE253572C DE253572C DENDAT253572D DE253572DA DE253572C DE 253572 C DE253572 C DE 253572C DE NDAT253572 D DENDAT253572 D DE NDAT253572D DE 253572D A DE253572D A DE 253572DA DE 253572 C DE253572 C DE 253572C
- Authority
- DE
- Germany
- Prior art keywords
- perforated plate
- ear
- thermal
- sound
- tissue
- 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.)
- Active
Links
- 230000028327 secretion Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims description 4
- 239000004020 conductor Substances 0.000 description 9
- 230000006378 damage Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 210000000613 ear canal Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002904 solvent Substances 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE253572C true DE253572C (enrdf_load_stackoverflow) |
Family
ID=511840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT253572D Active DE253572C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE253572C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT253572D patent/DE253572C/de active Active
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