DE154449A - - Google Patents

Info

Publication number

DE154449A

DE154449A DE154449A DE 154449 A DE154449 A DE 154449A DE 154449 A DE154449 A DE 154449A

Authority

DE

Germany

Prior art keywords

sound box

record

membrane

ring

tones

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.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 239000012528 membrane Substances 0.000 claims description 7
• 239000004568 cement Substances 0.000 claims description 2
• 239000000463 material Substances 0.000 claims description 2
• 230000002093 peripheral effect Effects 0.000 claims 3
• 239000012858 resilient material Substances 0.000 claims 2
• 239000013013 elastic material Substances 0.000 claims 1
• 239000007788 liquid Substances 0.000 claims 1
• 241001422033 Thestylus Species 0.000 description 10
• 230000002411 adverse Effects 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000001404 mediated effect Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000012805 post-processing Methods 0.000 description 1