BE416762A - - Google Patents
Info
- Publication number
- BE416762A BE416762A BE416762DA BE416762A BE 416762 A BE416762 A BE 416762A BE 416762D A BE416762D A BE 416762DA BE 416762 A BE416762 A BE 416762A
- Authority
- BE
- Belgium
- Prior art keywords
- diaphragm
- cone
- frequencies
- acoustic
- corrugation
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 2
- 229920002160 Celluloid Polymers 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000000123 paper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005520 electrodynamics Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- NUMXHEUHHRTBQT-AATRIKPKSA-N 2,4-dimethoxy-1-[(e)-2-nitroethenyl]benzene Chemical compound COC1=CC=C(\C=C\[N+]([O-])=O)C(OC)=C1 NUMXHEUHHRTBQT-AATRIKPKSA-N 0.000 description 1
- 101150056334 Ccne1 gene Proteins 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- FWXAUDSWDBGCMN-DNQXCXABSA-N [(2r,3r)-3-diphenylphosphanylbutan-2-yl]-diphenylphosphane Chemical compound C=1C=CC=CC=1P([C@H](C)[C@@H](C)P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 FWXAUDSWDBGCMN-DNQXCXABSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000012612 commercial material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000011088 parchment paper Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE416762A true BE416762A (OSRAM) |
Family
ID=79607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE416762D BE416762A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE416762A (OSRAM) |
-
0
- BE BE416762D patent/BE416762A/fr unknown
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