DE29606705U1 - Konusmembran für dynamische Lautsprecher - Google Patents
Konusmembran für dynamische LautsprecherInfo
- Publication number
- DE29606705U1 DE29606705U1 DE29606705U DE29606705U DE29606705U1 DE 29606705 U1 DE29606705 U1 DE 29606705U1 DE 29606705 U DE29606705 U DE 29606705U DE 29606705 U DE29606705 U DE 29606705U DE 29606705 U1 DE29606705 U1 DE 29606705U1
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- cone
- bead
- edge
- foamed
- 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.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims description 69
- 239000011324 bead Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
20
25
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29606705U DE29606705U1 (de) | 1996-04-12 | 1996-04-12 | Konusmembran für dynamische Lautsprecher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29606705U DE29606705U1 (de) | 1996-04-12 | 1996-04-12 | Konusmembran für dynamische Lautsprecher |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29606705U1 true DE29606705U1 (de) | 1996-07-04 |
Family
ID=8022512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29606705U Expired - Lifetime DE29606705U1 (de) | 1996-04-12 | 1996-04-12 | Konusmembran für dynamische Lautsprecher |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29606705U1 (de) |
-
1996
- 1996-04-12 DE DE29606705U patent/DE29606705U1/de not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 19960814 |
|
R081 | Change of applicant/patentee |
Owner name: RADIO DRAEGER, DRAEGER GMBH & CO. KG, DE Free format text: FORMER OWNER: ISOPHON ELEKTROAKUSTISCHE PRODUKTION GMBH, 12103 BERLIN, DE Effective date: 19990427 Owner name: ISOPHON ELEKTROAKUSTISCHE PRODUKTION GMBH, DE Free format text: FORMER OWNER: ISOPHON ELEKTROAKUSTISCHE PRODUKTION GMBH, 12103 BERLIN, DE Effective date: 19990427 |
|
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 19990608 |
|
R157 | Lapse of ip right after 6 years |
Effective date: 20021031 |