GB275567A - Electrodynamic devices for use in acoustic devices, such as loud-speakers - Google Patents
Electrodynamic devices for use in acoustic devices, such as loud-speakersInfo
- Publication number
- GB275567A GB275567A GB14918/27A GB1491827A GB275567A GB 275567 A GB275567 A GB 275567A GB 14918/27 A GB14918/27 A GB 14918/27A GB 1491827 A GB1491827 A GB 1491827A GB 275567 A GB275567 A GB 275567A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- diaphragm
- secured
- temperature
- ribbon
- 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
- 230000005520 electrodynamics Effects 0.000 title abstract 2
- 239000004020 conductor Substances 0.000 abstract 4
- 229920001342 Bakelite® Polymers 0.000 abstract 3
- 239000004637 bakelite Substances 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- 229920001800 Shellac Polymers 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 abstract 2
- 229940113147 shellac Drugs 0.000 abstract 2
- 235000013874 shellac Nutrition 0.000 abstract 2
- 239000004208 shellac Substances 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 2
- 239000011358 absorbing material Substances 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000126 substance Substances 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
- H04R9/06—Loudspeakers
-
- 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
- H04R9/022—Cooling arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US127152A US1707544A (en) | 1926-08-04 | 1926-08-04 | Electrodynamic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB275567A true GB275567A (en) | 1928-01-19 |
Family
ID=22428569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14918/27A Expired GB275567A (en) | 1926-08-04 | 1927-06-07 | Electrodynamic devices for use in acoustic devices, such as loud-speakers |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1707544A (enrdf_load_html_response) |
| DE (1) | DE527965C (enrdf_load_html_response) |
| FR (1) | FR636865A (enrdf_load_html_response) |
| GB (1) | GB275567A (enrdf_load_html_response) |
| NL (1) | NL23790C (enrdf_load_html_response) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE902015C (de) * | 1940-09-04 | 1954-01-18 | Klangfilm Gmbh | Druckkammerlautsprecher |
| US2463762A (en) * | 1941-11-14 | 1949-03-08 | Automatic Elect Lab | Electroacoustical transducer |
| US2485405A (en) * | 1944-04-21 | 1949-10-18 | Stromberg Carlson Co | Dipole microphone |
| DE911143C (de) * | 1951-11-25 | 1954-05-10 | Siemens Ag | Lautsprechersystem mit Druckkammer und einer Zwiebel fuer die Schallfuehrung |
| US2832844A (en) * | 1957-04-29 | 1958-04-29 | Univ Loudspeakers Inc | Speaker driver |
| JP3140895B2 (ja) * | 1993-10-08 | 2001-03-05 | パイオニア株式会社 | スピーカ装置 |
| US12156006B2 (en) | 2022-05-09 | 2024-11-26 | B&C Speakers S.P.A | Acoustic compression chamber with modally coupled annular diaphragm |
| US12149906B2 (en) | 2022-11-18 | 2024-11-19 | B&C Speakers Na (Usa), Llc | Phase plug for compression driver |
| CN218750537U (zh) | 2022-12-02 | 2023-03-28 | 苏州上声电子股份有限公司 | 一种汽车行人警示装置 |
-
0
- NL NL23790D patent/NL23790C/xx active
-
1926
- 1926-08-04 US US127152A patent/US1707544A/en not_active Expired - Lifetime
-
1927
- 1927-06-07 GB GB14918/27A patent/GB275567A/en not_active Expired
- 1927-06-11 DE DEE35798D patent/DE527965C/de not_active Expired
- 1927-06-30 FR FR636865D patent/FR636865A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL23790C (enrdf_load_html_response) | |
| US1707544A (en) | 1929-04-02 |
| FR636865A (fr) | 1928-04-18 |
| DE527965C (de) | 1931-06-24 |
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