BE404564A - - Google Patents
Info
- Publication number
- BE404564A BE404564A BE404564DA BE404564A BE 404564 A BE404564 A BE 404564A BE 404564D A BE404564D A BE 404564DA BE 404564 A BE404564 A BE 404564A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone
- recording
- electromagnet
- coil
- cylinder
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 2
- 230000005415 magnetization Effects 0.000 claims 1
- 230000003534 oscillatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000013707 sensory perception of sound Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Landscapes
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404564A true BE404564A (OSRAM) |
Family
ID=69911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404564D BE404564A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE404564A (OSRAM) |
-
0
- BE BE404564D patent/BE404564A/fr unknown
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