NL41933C - - Google Patents
Info
- Publication number
- NL41933C NL41933C NL41933DA NL41933C NL 41933 C NL41933 C NL 41933C NL 41933D A NL41933D A NL 41933DA NL 41933 C NL41933 C NL 41933C
- Authority
- NL
- Netherlands
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US710854A US2013955A (en) | 1934-02-12 | 1934-02-12 | Sound reproducing diaphragm and a method of making the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41933C true NL41933C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=24855812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL41933D NL41933C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1934-02-12 |
Country Status (3)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE976940C (de) * | 1954-06-26 | 1964-08-20 | Kurt Mueller K G Dr | Verfahren zur Herstellung einer Konusmembran fuer Lautsprecher |
| US3813284A (en) * | 1971-04-23 | 1974-05-28 | Pioneer Electronic Corp | Fibrous vibration plate for loudspeaker and production thereof |
-
0
- NL NL41933D patent/NL41933C/xx active
-
1934
- 1934-02-12 US US710854A patent/US2013955A/en not_active Expired - Lifetime
-
1935
- 1935-02-06 GB GB3875/35A patent/GB451657A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2013955A (en) | 1935-09-10 |
| GB451657A (en) | 1936-08-06 |