FR719430A - Haut-parleur - Google Patents
Haut-parleurInfo
- Publication number
- FR719430A FR719430A FR719430DA FR719430A FR 719430 A FR719430 A FR 719430A FR 719430D A FR719430D A FR 719430DA FR 719430 A FR719430 A FR 719430A
- Authority
- FR
- France
- Prior art keywords
- loud speaker
- loud
- speaker
- 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
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
-
- 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
- H04R9/041—Centering
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 |
---|---|---|---|
US517335A US1820585A (en) | 1931-02-20 | 1931-02-20 | Loud speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
FR719430A true FR719430A (fr) | 1932-02-05 |
Family
ID=24059391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR719430D Expired FR719430A (fr) | 1931-02-20 | 1931-07-02 | Haut-parleur |
Country Status (3)
Country | Link |
---|---|
US (1) | US1820585A (fr) |
FR (1) | FR719430A (fr) |
GB (1) | GB375538A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563452A (en) * | 1951-08-07 | Lotjd-speakek unit | ||
US2423037A (en) * | 1944-11-03 | 1947-06-24 | Operadio Mfg Co | Electrodynamic loud-speaker |
US3154173A (en) * | 1959-09-28 | 1964-10-27 | Gen Electric | Loudspeaker cone suspension |
JPS5432901Y2 (fr) * | 1974-06-19 | 1979-10-12 | ||
DE2909880C2 (de) * | 1979-03-14 | 1984-09-20 | DUAL Gebrüder Steidinger GmbH & Co, 7742 St Georgen | Elektrodynamischer Lautsprecher |
GB8923681D0 (en) * | 1989-10-20 | 1989-12-06 | Lyth Charles D | Improvements in or relating to loudspeakers |
JP3506855B2 (ja) * | 1996-09-17 | 2004-03-15 | パイオニア株式会社 | スピーカ用ダンパ |
GB0102780D0 (en) * | 2001-02-03 | 2001-03-21 | K H Technology Corp | Loudspeaker assemblies |
-
1931
- 1931-02-20 US US517335A patent/US1820585A/en not_active Expired - Lifetime
- 1931-06-17 GB GB17562/31A patent/GB375538A/en not_active Expired
- 1931-07-02 FR FR719430D patent/FR719430A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1820585A (en) | 1931-08-25 |
GB375538A (en) | 1932-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR797982A (fr) | Haut-parleur | |
FR749472A (fr) | Haut-parleur | |
FR776417A (fr) | Haut-parleur | |
FR719430A (fr) | Haut-parleur | |
FR749076A (fr) | Microphone | |
FR698003A (fr) | Perfectionnements aux haut-parleurs | |
FR695243A (fr) | Perfectionnements aux haut-parleurs | |
FR736576A (fr) | Haut-parleurs | |
FR814659A (fr) | Haut-parleur | |
FR723893A (fr) | Haut-parleur | |
FR829844A (fr) | Haut-parleur | |
FR751482A (fr) | Haut-parleur | |
FR731860A (fr) | Haut-parleur perfectionné | |
FR705658A (fr) | Perfectionnements aux haut-parleurs | |
FR753441A (fr) | Haut-parleur électrodynamique | |
FR720943A (fr) | Synchronoscope sonore | |
FR690965A (fr) | Haut-parleur | |
FR715456A (fr) | Reproducteur de sons perfectionné | |
DK46792C (da) | Højttaler. | |
DK46526C (da) | Højttaler. | |
FR41031E (fr) | Film sonore | |
FR40775E (fr) | Film sonore | |
FR719964A (fr) | Perfectionnements aux haut-parleurs | |
FR728437A (fr) | Perfectionnements aux haut-parleurs | |
FR728168A (fr) | Amplificateur téléphonique |