DE297877C - - Google Patents
Info
- Publication number
- DE297877C DE297877C DENDAT297877D DE297877DA DE297877C DE 297877 C DE297877 C DE 297877C DE NDAT297877 D DENDAT297877 D DE NDAT297877D DE 297877D A DE297877D A DE 297877DA DE 297877 C DE297877 C DE 297877C
- Authority
- DE
- Germany
- Prior art keywords
- heat conductor
- carrier
- insulating material
- wires
- arches
- 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
- 239000004020 conductor Substances 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010618 wire wrap Methods 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)
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE191505844X | 1915-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE297877C true DE297877C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=32668499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT297877D Active DE297877C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1915-03-06 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE297877C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| GB (1) | GB191505844A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT297877D patent/DE297877C/de active Active
-
1915
- 1915-04-19 GB GB191505844D patent/GB191505844A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB191505844A (en) | 1916-04-19 |
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