IT1067242B - Procedimento per la fabbricazione altoparlanti ed altoparlanti ottenuti con detto procedimento - Google Patents
Procedimento per la fabbricazione altoparlanti ed altoparlanti ottenuti con detto procedimentoInfo
- Publication number
- IT1067242B IT1067242B IT03481/76A IT348176A IT1067242B IT 1067242 B IT1067242 B IT 1067242B IT 03481/76 A IT03481/76 A IT 03481/76A IT 348176 A IT348176 A IT 348176A IT 1067242 B IT1067242 B IT 1067242B
- Authority
- IT
- Italy
- Prior art keywords
- speaker
- procedure
- manufacturing process
- process obtained
- speaker manufacturing
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7520339A FR2315818A1 (fr) | 1975-06-27 | 1975-06-27 | Procede de fabrication de haut-parleurs et haut-parleurs realises a l'aide de ce procede |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1067242B true IT1067242B (it) | 1985-03-16 |
Family
ID=9157220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT03481/76A IT1067242B (it) | 1975-06-27 | 1976-06-28 | Procedimento per la fabbricazione altoparlanti ed altoparlanti ottenuti con detto procedimento |
Country Status (6)
Country | Link |
---|---|
US (1) | US4143537A (it) |
BE (1) | BE843355A (it) |
DE (1) | DE2628689A1 (it) |
FR (1) | FR2315818A1 (it) |
IT (1) | IT1067242B (it) |
NL (1) | NL7606912A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5853299A (ja) * | 1981-09-25 | 1983-03-29 | Seiko Instr & Electronics Ltd | 動電形スピ−カ |
KR0165544B1 (ko) * | 1990-03-05 | 1999-03-20 | 야마다 로꾸이찌 | 전자발음장치 |
US9584921B2 (en) * | 2014-07-15 | 2017-02-28 | Nokia Technologies Oy | Sound transducer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB244051A (en) * | 1924-12-04 | 1926-07-08 | Otto Bothe | Improvements relating to electro-dynamic loud speakers |
US2951190A (en) * | 1954-10-28 | 1960-08-30 | Baermann Max | Electro-mechanical transformer |
DE1104559B (de) * | 1957-12-30 | 1961-04-13 | Isophon Werke G M B H | Magnetsystem fuer dynamische Lautsprecher |
US3191421A (en) * | 1961-03-30 | 1965-06-29 | Aldo L Coen | Method of making loudspeaker field structure |
US3319201A (en) * | 1961-03-30 | 1967-05-09 | Aldo L Coen | Unitary field structure for magnetic loudspeaker |
US3138864A (en) * | 1961-05-25 | 1964-06-30 | Aldo L Coen | Method of working metal |
FR1487088A (fr) * | 1965-07-20 | 1967-06-30 | Procédé de réalisation d'un circuit magnétique pour un haut-parleur magnétique | |
US3453400A (en) * | 1965-12-08 | 1969-07-01 | Aldo L Coen | Field structure for magnetic loudspeaker and methods of manufacture |
-
1975
- 1975-06-27 FR FR7520339A patent/FR2315818A1/fr active Granted
-
1976
- 1976-06-24 BE BE168266A patent/BE843355A/xx unknown
- 1976-06-24 NL NL7606912A patent/NL7606912A/xx not_active Application Discontinuation
- 1976-06-25 DE DE19762628689 patent/DE2628689A1/de not_active Withdrawn
- 1976-06-28 IT IT03481/76A patent/IT1067242B/it active
-
1978
- 1978-01-23 US US05/871,688 patent/US4143537A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2315818A1 (fr) | 1977-01-21 |
BE843355A (fr) | 1976-10-18 |
DE2628689A1 (de) | 1977-01-13 |
US4143537A (en) | 1979-03-13 |
FR2315818B1 (it) | 1978-02-24 |
NL7606912A (nl) | 1976-12-29 |
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