NL24326C - - Google Patents
Info
- Publication number
- NL24326C NL24326C NL24326DA NL24326C NL 24326 C NL24326 C NL 24326C NL 24326D A NL24326D A NL 24326DA NL 24326 C NL24326 C NL 24326C
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
-
- 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
-
- 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
- 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
- H04R2209/021—Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US231508A US1828284A (en) | 1927-11-07 | 1927-11-07 | Vibratory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL24326C true NL24326C (cg-RX-API-DMAC7.html) |
Family
ID=22869532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL24326D NL24326C (cg-RX-API-DMAC7.html) | 1927-11-07 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1828284A (cg-RX-API-DMAC7.html) |
| NL (1) | NL24326C (cg-RX-API-DMAC7.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2556816A (en) * | 1946-12-04 | 1951-06-12 | Technicon Cardiograph Corp | Polarized electromagnetic operator with damped coil armature |
| US2631202A (en) * | 1947-12-30 | 1953-03-10 | Rca Corp | Dynastat volume control |
| DE3507726A1 (de) * | 1985-03-05 | 1986-09-11 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Membran fuer planarlautsprecher |
| DE102017200488A1 (de) | 2016-07-13 | 2018-01-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kompensationsmittel für ein lautsprechersystem und lautsprechersystem |
-
0
- NL NL24326D patent/NL24326C/xx active
-
1927
- 1927-11-07 US US231508A patent/US1828284A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1828284A (en) | 1931-10-20 |