NL7018590A - - Google Patents
Info
- Publication number
- NL7018590A NL7018590A NL7018590A NL7018590A NL7018590A NL 7018590 A NL7018590 A NL 7018590A NL 7018590 A NL7018590 A NL 7018590A NL 7018590 A NL7018590 A NL 7018590A NL 7018590 A NL7018590 A NL 7018590A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3060270 | 1970-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7018590A true NL7018590A (https=) | 1971-10-04 |
Family
ID=12308402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7018590A NL7018590A (https=) | 1970-03-31 | 1970-12-21 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2083672B1 (https=) |
| NL (1) | NL7018590A (https=) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1243240C2 (de) * | 1962-12-13 | 1974-05-09 | Akustische | Elektroakustischer wandler, dessen einzelteile durch eine formkoerper lagerichtig zusammengehalten sind |
| US3354541A (en) * | 1965-06-04 | 1967-11-28 | Gen Motors Corp | Loudspeaker magnet structure and method of assembling same |
| AT289916B (de) * | 1969-01-14 | 1971-05-10 | Akg Akustische Kino Geraete | Verfahren zur Herstellung eines Magnetsystems für elektrodynamische Schallwandler |
| NL164451C (nl) * | 1969-01-17 | 1980-12-15 | Philips Nv | Inrichting voor het omzetten van akoestische in elektrische trillingen en andersom, voorzien van een magneetsysteem en een niet-magnetisch centreerorgaan. |
-
1970
- 1970-08-20 FR FR7030558A patent/FR2083672B1/fr not_active Expired
- 1970-12-21 NL NL7018590A patent/NL7018590A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2083672B1 (https=) | 1973-10-19 |
| FR2083672A1 (https=) | 1971-12-17 |