BE347485A - - Google Patents
Info
- Publication number
- BE347485A BE347485A BE347485DA BE347485A BE 347485 A BE347485 A BE 347485A BE 347485D A BE347485D A BE 347485DA BE 347485 A BE347485 A BE 347485A
- Authority
- BE
- Belgium
- Prior art keywords
- diaphragm
- movable element
- coil
- air gap
- magnetic circuit
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010959 steel Substances 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1483A US1707617A (en) | 1925-01-09 | 1925-01-09 | Sound-reproducing apparatus |
| GB3254326 | 1926-12-23 | ||
| GB3254426A GB287631A (en) | 1926-12-23 | 1926-12-23 | Improvements relating to devices for the interconversion of mechanical and electrical oscillations |
| GB1770927A GB297894A (en) | 1927-07-04 | 1927-07-04 | Improvements relating to devices for the interconversion of mechanical and electrical vibrations |
| GB1915127 | 1927-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE347485A true BE347485A (enrdf_load_stackoverflow) |
Family
ID=27516193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347485D BE347485A (enrdf_load_stackoverflow) | 1925-01-09 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE347485A (enrdf_load_stackoverflow) |
| FR (1) | FR34820E (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK148550C (da) * | 1981-12-10 | 1986-04-21 | Standard Electric Kirk | Elektrodynamisk transducer med bevaegelig spole |
-
0
- FR FR34820D patent/FR34820E/fr not_active Expired
- BE BE347485D patent/BE347485A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR34820E (enrdf_load_stackoverflow) | 1927-10-21 |
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