BE426219A - - Google Patents
Info
- Publication number
- BE426219A BE426219A BE426219DA BE426219A BE 426219 A BE426219 A BE 426219A BE 426219D A BE426219D A BE 426219DA BE 426219 A BE426219 A BE 426219A
- Authority
- BE
- Belgium
- Prior art keywords
- sound
- recording
- exposure
- film
- sound waves
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 230000005284 excitation Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426219A true BE426219A (OSRAM) |
Family
ID=87053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426219D BE426219A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE426219A (OSRAM) |
-
0
- BE BE426219D patent/BE426219A/fr unknown
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