BE364512A - - Google Patents

Info

Publication number

BE364512A

BE364512A BE364512DA BE364512A BE 364512 A BE364512 A BE 364512A BE 364512D A BE364512D A BE 364512DA BE 364512 A BE364512 A BE 364512A

Authority

BE

Belgium

Prior art keywords

film

mirror

light

recording

sounds

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 230000000694 effects Effects 0.000 claims description 3
• 239000011521 glass Substances 0.000 description 12
• 230000004075 alteration Effects 0.000 description 4
• 239000000428 dust Substances 0.000 description 3
• 238000005286 illumination Methods 0.000 description 3
• 239000000839 emulsion Substances 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 239000002245 particle Substances 0.000 description 2
• 239000003990 capacitor Substances 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• 230000001276 controlling effect Effects 0.000 description 1
• 230000001747 exhibiting effect Effects 0.000 description 1
• 210000004996 female reproductive system Anatomy 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000003287 optical effect Effects 0.000 description 1
• 230000001105 regulatory effect Effects 0.000 description 1
• 238000006748 scratching Methods 0.000 description 1
• 230000002393 scratching effect Effects 0.000 description 1
• 230000035945 sensitivity Effects 0.000 description 1
• 230000004304 visual acuity Effects 0.000 description 1