FR2083672A1 - - Google Patents
Info
- Publication number
- FR2083672A1 FR2083672A1 FR7030558A FR7030558A FR2083672A1 FR 2083672 A1 FR2083672 A1 FR 2083672A1 FR 7030558 A FR7030558 A FR 7030558A FR 7030558 A FR7030558 A FR 7030558A FR 2083672 A1 FR2083672 A1 FR 2083672A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H04R9/025—Magnetic circuit
-
- 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
- H04R2209/022—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 (2)
Publication Number | Publication Date |
---|---|
FR2083672A1 true FR2083672A1 (xx) | 1971-12-17 |
FR2083672B1 FR2083672B1 (xx) | 1973-10-19 |
Family
ID=12308402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7030558A Expired FR2083672B1 (xx) | 1970-03-31 | 1970-08-20 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2083672B1 (xx) |
NL (1) | NL7018590A (xx) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3354541A (en) * | 1965-06-04 | 1967-11-28 | Gen Motors Corp | Loudspeaker magnet structure and method of assembling same |
CH452606A (de) * | 1962-12-13 | 1968-03-15 | Akg Akustische Kino Geraete | Vorrichtung zum Umspritzen des Magnetsystems eines elektroakustischen Wandlers |
NL7000139A (xx) * | 1969-01-14 | 1970-07-16 | ||
NL6900876A (xx) * | 1969-01-17 | 1970-07-21 |
-
1970
- 1970-08-20 FR FR7030558A patent/FR2083672B1/fr not_active Expired
- 1970-12-21 NL NL7018590A patent/NL7018590A/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH452606A (de) * | 1962-12-13 | 1968-03-15 | Akg Akustische Kino Geraete | Vorrichtung zum Umspritzen des Magnetsystems eines elektroakustischen Wandlers |
US3354541A (en) * | 1965-06-04 | 1967-11-28 | Gen Motors Corp | Loudspeaker magnet structure and method of assembling same |
NL7000139A (xx) * | 1969-01-14 | 1970-07-16 | ||
NL6900876A (xx) * | 1969-01-17 | 1970-07-21 |
Also Published As
Publication number | Publication date |
---|---|
FR2083672B1 (xx) | 1973-10-19 |
NL7018590A (xx) | 1971-10-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |