FR650754A - Nouvelle forme de membrane, notamment pour usages acoustiques - Google Patents
Nouvelle forme de membrane, notamment pour usages acoustiquesInfo
- Publication number
- FR650754A FR650754A FR650754DA FR650754A FR 650754 A FR650754 A FR 650754A FR 650754D A FR650754D A FR 650754DA FR 650754 A FR650754 A FR 650754A
- Authority
- FR
- France
- Prior art keywords
- membrane
- new form
- acoustic
- acoustic uses
- new
- Prior art date
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
-
- 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
- H04R7/04—Plane diaphragms
-
- 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
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- 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
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
-
- 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
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Adornments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0078780 | 1927-03-12 | ||
| DES79599D DE484371C (de) | 1927-03-12 | 1927-05-07 | Membran nach Patent 482132 mit zum Zwecke des elektrodynamischen Antriebes im Mittelteil angebrachtem Stromleiter |
| DES79598D DE518111C (de) | 1927-03-12 | 1927-05-07 | Anordnung zur Befestigung von Stromleitern an Membranen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR650754A true FR650754A (fr) | 1929-02-11 |
Family
ID=27437544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR650754D Expired FR650754A (fr) | 1927-03-12 | 1928-03-12 | Nouvelle forme de membrane, notamment pour usages acoustiques |
Country Status (4)
| Country | Link |
|---|---|
| DE (2) | DE484371C (cs) |
| FR (1) | FR650754A (cs) |
| GB (3) | GB287065A (cs) |
| NL (1) | NL22991C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2031517A1 (cs) * | 1969-02-19 | 1970-11-20 | Heil Oskar |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007020847B4 (de) | 2007-05-02 | 2009-11-26 | Mundorf Eb Gmbh | Membran-Anordnung für einen elektrodynamischen Schallwandler und Lautsprecher mit einer derartigen Membran-Anordnung |
| CN119895893A (zh) * | 2022-08-18 | 2025-04-25 | I·V·萨菲乌林 | 电动驱动器 |
-
0
- NL NL22991D patent/NL22991C/xx active
-
1927
- 1927-05-07 DE DES79599D patent/DE484371C/de not_active Expired
- 1927-05-07 DE DES79598D patent/DE518111C/de not_active Expired
-
1928
- 1928-03-12 GB GB760628A patent/GB287065A/en not_active Expired
- 1928-03-12 FR FR650754D patent/FR650754A/fr not_active Expired
- 1928-05-02 GB GB1294328A patent/GB289888A/en not_active Expired
- 1928-05-02 GB GB1293328A patent/GB289887A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2031517A1 (cs) * | 1969-02-19 | 1970-11-20 | Heil Oskar |
Also Published As
| Publication number | Publication date |
|---|---|
| GB289888A (en) | 1929-05-09 |
| GB287065A (en) | 1929-01-31 |
| GB289887A (en) | 1929-08-02 |
| DE518111C (de) | 1931-02-11 |
| DE484371C (de) | 1929-10-14 |
| NL22991C (cs) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR650754A (fr) | Nouvelle forme de membrane, notamment pour usages acoustiques | |
| FR33758E (fr) | Nouvelle suspension élastique pour véhicules | |
| FR645932A (fr) | Tabouret-repose-pieds perfectionné et notamment pour automobilistes | |
| FR663861A (fr) | Perfectionnements à la production de feuilles de stencils pour la reproduction | |
| FR552823A (fr) | Installation pour la manoeuvre des décors de théâtres | |
| FR582859A (fr) | Perfectionnements pour la réduction des corps cylindriques | |
| FR550164A (fr) | Plaque pour la construction des plafonds | |
| DK37237C (da) | Fremgangsmaade til Fremstilling af Trykplader til litografisk Brug. | |
| FR585657A (fr) | Coffrage à usages multiples notamment applicable aux constructions athermanes | |
| FR630740A (fr) | Nouvelle forme constructive de chambres de combustion pour fourstunnels | |
| FR674793A (fr) | Timbre avertisseur double pour cycles et autres usages | |
| FR33051E (fr) | Dispositif pour composition de monogrammes, noms et autres, pour tous usages | |
| FR33055E (fr) | Dispositif pour composition de monogrammes, noms et autres, pour tous usages | |
| FR566823A (fr) | Nouveau type de blocs pour constructions édilitaires | |
| FR658180A (fr) | Procédé pour la production de systèmes dispersés | |
| FR575933A (fr) | Combinaison de diaphragmes pour l'électro-osmose | |
| DK34091C (da) | Diafragmakombination til elektroosmotisk Rensning af Sukkersaft. | |
| FR653075A (fr) | Saphir à forme spéciale destiné à remplacer les aiguilles employées pour la reproduction des sons | |
| DK33702C (da) | Støbeform til Fremstilling af Cementvinduer. | |
| FR562765A (fr) | Hourdis pour constructions | |
| DK42909C (da) | Fremgangsmaade til Fremstilling af Klicheer. | |
| FR621581A (fr) | Monture de membrane pour capsules microphoniques | |
| FR625399A (fr) | Application de cellulo-couleurs pour carrosserie | |
| FR584520A (fr) | Plot pour construction | |
| ES117651A1 (es) | Procedimiento para la depuración electrolítica de disoluciones acuosas. |