NL66006C - - Google Patents
Info
- Publication number
- NL66006C NL66006C NL66006DA NL66006C NL 66006 C NL66006 C NL 66006C NL 66006D A NL66006D A NL 66006DA NL 66006 C NL66006 C NL 66006C
- 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
-
- 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
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
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 |
|---|---|---|---|
| US316614A US2318517A (en) | 1940-01-31 | 1940-01-31 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL66006C true NL66006C (en) |
Family
ID=23229817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL66006D NL66006C (en) | 1940-01-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2318517A (en) |
| CH (1) | CH223104A (en) |
| NL (1) | NL66006C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489862A (en) * | 1943-01-07 | 1949-11-29 | Gen Electric | Damping for dynamic loudspeakers |
| US2830283A (en) * | 1950-04-18 | 1958-04-08 | Massa Frank | Directional characteristics of electroacoustic transducers and method for utilizing the same |
| DE1288146B (en) * | 1962-10-31 | 1969-01-30 | Siemens Ag | Electroacoustic converter |
| US3838216A (en) * | 1972-02-23 | 1974-09-24 | W Watkins | Device to effectively eliminate the motion induced back emf in a loudspeaker system in the region of fundamental acoustic resonance |
| AU538247B2 (en) * | 1979-11-09 | 1984-08-02 | Matsushita Electric Industrial Co., Ltd. | Speaker and speaker system |
| US7379558B2 (en) * | 2004-12-16 | 2008-05-27 | Jl Audio, Inc. | Loudspeaker with integrated spider standoff ring |
| GB2516936A (en) * | 2013-08-07 | 2015-02-11 | Monitor Audio Ltd | Loudspeaker driver |
-
0
- NL NL66006D patent/NL66006C/xx active
-
1940
- 1940-01-31 US US316614A patent/US2318517A/en not_active Expired - Lifetime
-
1941
- 1941-04-17 CH CH223104D patent/CH223104A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2318517A (en) | 1943-05-04 |
| CH223104A (en) | 1942-08-31 |