DE276033C - - Google Patents
Info
- Publication number
- DE276033C DE276033C DENDAT276033D DE276033DA DE276033C DE 276033 C DE276033 C DE 276033C DE NDAT276033 D DENDAT276033 D DE NDAT276033D DE 276033D A DE276033D A DE 276033DA DE 276033 C DE276033 C DE 276033C
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen
- chamber
- membrane
- wire
- heating wires
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000007704 transition Effects 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE276033C true DE276033C (cg-RX-API-DMAC7.html) |
Family
ID=532264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT276033D Active DE276033C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE276033C (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006226A1 (de) * | 2004-02-09 | 2005-09-08 | Littmann, Wolfgang, Dipl.-Phys. Dr. | Verfahren zur Umwandlung von Schall in elektrische Signale (Mikrofon) mittels Temperaturmessung |
-
0
- DE DENDAT276033D patent/DE276033C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006226A1 (de) * | 2004-02-09 | 2005-09-08 | Littmann, Wolfgang, Dipl.-Phys. Dr. | Verfahren zur Umwandlung von Schall in elektrische Signale (Mikrofon) mittels Temperaturmessung |
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