IT1129940B - Procedimento per la fabbricazione di membrane o coni per altoparlanti ad alta fedelta - Google Patents
Procedimento per la fabbricazione di membrane o coni per altoparlanti ad alta fedeltaInfo
- Publication number
- IT1129940B IT1129940B IT68872/80A IT6887280A IT1129940B IT 1129940 B IT1129940 B IT 1129940B IT 68872/80 A IT68872/80 A IT 68872/80A IT 6887280 A IT6887280 A IT 6887280A IT 1129940 B IT1129940 B IT 1129940B
- Authority
- IT
- Italy
- Prior art keywords
- cones
- speakers
- members
- procedure
- manufacture
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/027—Diaphragms comprising metallic materials
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES486914A ES486914A1 (es) | 1979-12-14 | 1979-12-14 | Nuevo procedimiento de fabricacion de membranas o conos paraaltavoces de alta fidelidad |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8068872A0 IT8068872A0 (it) | 1980-12-09 |
IT1129940B true IT1129940B (it) | 1986-06-11 |
Family
ID=8479462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68872/80A IT1129940B (it) | 1979-12-14 | 1980-12-09 | Procedimento per la fabbricazione di membrane o coni per altoparlanti ad alta fedelta |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE8032983U1 (it) |
ES (1) | ES486914A1 (it) |
FR (1) | FR2471719A3 (it) |
GB (1) | GB2064999A (it) |
IT (1) | IT1129940B (it) |
PT (1) | PT72192B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7529382B2 (en) * | 2006-07-17 | 2009-05-05 | Burton A. Babb | High fidelity loudspeaker |
-
1979
- 1979-12-14 ES ES486914A patent/ES486914A1/es not_active Expired
-
1980
- 1980-12-05 FR FR8026153A patent/FR2471719A3/fr active Granted
- 1980-12-09 IT IT68872/80A patent/IT1129940B/it active
- 1980-12-11 DE DE19808032983U patent/DE8032983U1/de not_active Expired
- 1980-12-12 PT PT72192A patent/PT72192B/pt unknown
- 1980-12-12 GB GB8039918A patent/GB2064999A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE8032983U1 (de) | 1981-04-02 |
FR2471719A3 (fr) | 1981-06-19 |
PT72192A (en) | 1981-01-01 |
ES486914A1 (es) | 1980-07-16 |
FR2471719B3 (it) | 1981-10-16 |
IT8068872A0 (it) | 1980-12-09 |
GB2064999A (en) | 1981-06-24 |
PT72192B (en) | 1982-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8024457A0 (it) | Procedimento di fabbricazione di 5-idrossimetilfurfurolo. | |
IT8023799A0 (it) | Fabbricazione di corpi cavi. procedimento e dispositivo per la | |
NO803591L (no) | Fremgangsmaate for fremstilling av fiskemel. | |
IT8022252A0 (it) | Stadio ricevente ad alta frequenza. | |
IT1082540B (it) | Procedimento per la fabbricazione di lastre di vetro bombate | |
ES491125A0 (es) | Procedimiento para la fabricacion de membranas de ultrafil- tracion | |
IT7822372A0 (it) | Procedimento per la polimerizzazione in sospensione di poliuretani. | |
NO781949L (no) | Fremgangsmaate ved fremstilling av antibiotika | |
IT1131397B (it) | Procedimento per la produzione di p-cloroalchilbenzene | |
NO800857L (no) | Fremgangsmaate for fremstilling av nye antisekretorisk aktive forbindelser. | |
IT1146241B (it) | Procedimento per la produzione di ditiazolil-disolfuri | |
IT1174256B (it) | Procetimento per la fabbricazione di insegne | |
IT1112065B (it) | Procedimento per la produzione di triclorosinalo e tetracloruro di silicio | |
ES493650A0 (es) | Procedimiento para la fabricacion de 2(3,4,5-trimetoxifenil)tiazoles,4,5-disubstituidos | |
ES492142A0 (es) | Procedimiento para la produccion de oxidasa de alcohol | |
IT1202880B (it) | Procedimento per la fabbricazione di lastre termiche | |
IT1129940B (it) | Procedimento per la fabbricazione di membrane o coni per altoparlanti ad alta fedelta | |
IT1085374B (it) | Procedimento per la produzione di 2-alchil-4-metil-6-idrossipirimidin e oppure di 2-cicloalchil-4-metil-6-idrossipirimidine | |
IT1127875B (it) | Procedimento per la fabbricazione di pneumatici radiali | |
IT1129991B (it) | Procedimento per la fabbricazione di vetri stratificati,mediante pressione differenziale | |
ES493649A0 (es) | Procedimiento para la fabricacion de 4-tiazolidonas,2-subs- tituidas | |
IT1062363B (it) | Strumento ottico..particolarmente binocolo..e procedimento per la sua fabbricazione | |
DK297980A (da) | Fremgangsmaade til fremstilling af antibiotika | |
IT1075589B (it) | Procedimento per la produzione di composizioni ad enzimi fissati | |
IT8020684A0 (it) | Procedimento per la dealogenazione di eteri. |