BE432024A - - Google Patents
Info
- Publication number
- BE432024A BE432024A BE432024DA BE432024A BE 432024 A BE432024 A BE 432024A BE 432024D A BE432024D A BE 432024DA BE 432024 A BE432024 A BE 432024A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- sound
- paper
- desc
- reflectophone
- Prior art date
Links
- 230000033458 reproduction Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE432024A true BE432024A (en:Method) |
Family
ID=91701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432024D BE432024A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE432024A (en:Method) |
-
0
- BE BE432024D patent/BE432024A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE432024A (en:Method) | ||
| US1967882A (en) | Photo-electric system for recording and reproducing sound | |
| BE490849A (en:Method) | ||
| US2131293A (en) | Sound recording | |
| US1925600A (en) | Talking picture apparatus | |
| BE395711A (en:Method) | ||
| BE374244A (en:Method) | ||
| BE417919A (en:Method) | ||
| BE344626A (en:Method) | ||
| US2142573A (en) | Light valve | |
| US1647353A (en) | Photo-electric means for reproducing sound from graphical records | |
| BE380046A (en:Method) | ||
| BE485979A (en:Method) | ||
| BE389375A (en:Method) | ||
| BE395791A (en:Method) | ||
| BE488194A (en:Method) | ||
| BE371364A (en:Method) | ||
| CH216456A (fr) | Miroir pour l'éclairage épiscopique d'une surface. | |
| BE361444A (en:Method) | ||
| BE392448A (en:Method) | ||
| BE475261A (en:Method) | ||
| BE395790A (en:Method) | ||
| BE395203A (en:Method) | ||
| CH193674A (fr) | Procédé pour l'enregistrement d'oscillations. | |
| BE365209A (en:Method) |