GB381803A - Improvements in or relating to the actuating members of electrodynamic loudspeakers,microphones and the like and the method of manufacturing such members - Google Patents
Improvements in or relating to the actuating members of electrodynamic loudspeakers,microphones and the like and the method of manufacturing such membersInfo
- Publication number
- GB381803A GB381803A GB1801/32A GB180132A GB381803A GB 381803 A GB381803 A GB 381803A GB 1801/32 A GB1801/32 A GB 1801/32A GB 180132 A GB180132 A GB 180132A GB 381803 A GB381803 A GB 381803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layers
- coil
- silk
- wire
- mandrel
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 230000005520 electrodynamics Effects 0.000 title abstract 2
- 238000004804 winding Methods 0.000 abstract 7
- 238000010276 construction Methods 0.000 abstract 3
- 239000004744 fabric Substances 0.000 abstract 3
- 239000004922 lacquer Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 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
- H04R9/046—Construction
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL381803X | 1931-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB381803A true GB381803A (en) | 1932-10-13 |
Family
ID=19785660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1801/32A Expired GB381803A (en) | 1931-03-07 | 1932-01-20 | Improvements in or relating to the actuating members of electrodynamic loudspeakers,microphones and the like and the method of manufacturing such members |
Country Status (4)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3963882A (en) * | 1975-03-14 | 1976-06-15 | Control Data Corporation | Boron or graphite reinforced voice coil and manufacturing process |
| GB2366474A (en) * | 2000-09-01 | 2002-03-06 | Schlumberger Ltd | A geophone with a magnet and a coil concentrically arranged around a central pole |
-
0
- BE BE385854D patent/BE385854A/xx unknown
- NL NL34769D patent/NL34769C/xx active
-
1932
- 1932-01-20 GB GB1801/32A patent/GB381803A/en not_active Expired
- 1932-01-21 FR FR730280D patent/FR730280A/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3963882A (en) * | 1975-03-14 | 1976-06-15 | Control Data Corporation | Boron or graphite reinforced voice coil and manufacturing process |
| GB2366474A (en) * | 2000-09-01 | 2002-03-06 | Schlumberger Ltd | A geophone with a magnet and a coil concentrically arranged around a central pole |
| GB2366474B (en) * | 2000-09-01 | 2005-02-16 | Schlumberger Ltd | Geophones |
| AU2001280015B2 (en) * | 2000-09-01 | 2006-02-02 | Schlumberger Technology B.V. | Vibration Sensor and Method of Seismic Surveying |
| US7099235B2 (en) | 2000-09-01 | 2006-08-29 | Schlumberger Technology Corporation | Geophone and method of manufacturing a geophone |
Also Published As
| Publication number | Publication date |
|---|---|
| BE385854A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR730280A (fr) | 1932-08-10 |
| NL34769C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |