NL45876C - - Google Patents
Info
- Publication number
- NL45876C NL45876C NL75531A NL75531A NL45876C NL 45876 C NL45876 C NL 45876C NL 75531 A NL75531 A NL 75531A NL 75531 A NL75531 A NL 75531A NL 45876 C NL45876 C NL 45876C
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
-
- 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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- 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
- H04R9/045—Mounting
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3560836A GB465794A (en) | 1935-11-08 | 1935-11-08 | Improvements in electro-acoustical reproducers |
US53018A US2084945A (en) | 1935-11-08 | 1935-12-05 | Loudspeaker |
US149428A US2200490A (en) | 1935-11-08 | 1937-06-21 | Loud-speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
NL45876C true NL45876C (ja) | 1939-06-15 |
Family
ID=32073934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL75531A NL45876C (ja) | 1935-11-08 | 1935-11-14 |
Country Status (4)
Country | Link |
---|---|
US (2) | US2084945A (ja) |
FR (1) | FR797982A (ja) |
GB (1) | GB465795A (ja) |
NL (1) | NL45876C (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563452A (en) * | 1951-08-07 | Lotjd-speakek unit | ||
US2565069A (en) * | 1946-03-30 | 1951-08-21 | Rola Company Inc | Loud-speaker of the double diaphragm type |
US2549091A (en) * | 1946-10-25 | 1951-04-17 | Bell Telephone Labor Inc | Diaphragm for electroacoustic transducers |
US2524836A (en) * | 1947-04-02 | 1950-10-10 | Rola Company Inc | Permanent magnet electrodynamic loud-speaker |
US2560379A (en) * | 1948-03-25 | 1951-07-10 | Rca Corp | Loud-speaker with flexible diaphragm mounting |
DE952649C (de) * | 1950-11-16 | 1956-11-22 | Holmberg & Co | Tauchspulen-Membran fuer elektrodynamische Hoergeraete |
US3247331A (en) * | 1954-07-30 | 1966-04-19 | Rca Corp | Magnetic structure for a loudspeaker |
US2769942A (en) * | 1954-11-26 | 1956-11-06 | Fauthal A Hassan | Voice coil for loud speakers |
USRE26030E (en) * | 1956-02-28 | 1966-05-24 | Dynamic transducer | |
US2897292A (en) * | 1956-04-19 | 1959-07-28 | Francois Joseph Gerard V Bosch | High fidelity loudspeaker |
US2906828A (en) * | 1956-09-17 | 1959-09-29 | Gordon S Carbonneau | Voice coil connection for loud-speakers |
DE1078617B (de) * | 1957-07-02 | 1960-03-31 | Peter Grassmann | Verfahren und Vorrichtung zur Herstellung von vorzugsweise mehrlagigen Schwingspulen fuer elektrodynamische Lautsprecher |
US3033945A (en) * | 1959-05-01 | 1962-05-08 | Ar Inc | Voice coil and diaphragm support for high frequency loud-speaker |
US3136382A (en) * | 1962-02-14 | 1964-06-09 | Thaler Edward | Acoustic transducer |
DE1238073B (de) * | 1964-03-14 | 1967-04-06 | Philips Nv | Elektrodynamische Vorrichtung zum Umwandeln akustischer Schwingungen in mechanische Schwingungen, oder umgekehrt, z. B. Lautsprecher, mit zwei Membranen |
JPS5228520Y2 (ja) * | 1971-08-31 | 1977-06-29 | ||
US3862376A (en) * | 1973-01-19 | 1975-01-21 | Stanley F White | Cone construction for loudspeaker |
ES292736Y (es) * | 1986-03-05 | 1987-03-01 | Plastmetal, S.A. | Altavoz dinamico para alarmas perfeccionado |
JP3569413B2 (ja) * | 1997-03-25 | 2004-09-22 | パイオニア株式会社 | スピーカ装置及びスピーカ装置の製造方法 |
JP3896900B2 (ja) * | 2002-05-28 | 2007-03-22 | ソニー株式会社 | スピーカ装置 |
CN2607708Y (zh) * | 2003-02-17 | 2004-03-24 | 杨炼 | 无悬边活塞式振动扬声器 |
JP4148211B2 (ja) * | 2004-10-05 | 2008-09-10 | ソニー株式会社 | スピーカ装置 |
WO2013009991A1 (en) * | 2011-07-12 | 2013-01-17 | Strata Audio LLC | Voice coil former stiffener |
US10681468B2 (en) * | 2017-07-27 | 2020-06-09 | Yamaha Corporation | Speaker diaphragm and coil coupling arrangement, and method |
JP1625749S (ja) * | 2018-06-06 | 2019-03-04 |
-
1935
- 1935-11-08 GB GB30936/35A patent/GB465795A/en not_active Expired
- 1935-11-14 NL NL75531A patent/NL45876C/xx active
- 1935-11-19 FR FR797982D patent/FR797982A/fr not_active Expired
- 1935-12-05 US US53018A patent/US2084945A/en not_active Expired - Lifetime
-
1937
- 1937-06-21 US US149428A patent/US2200490A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR797982A (fr) | 1936-05-07 |
GB465795A (en) | 1937-05-10 |
US2084945A (en) | 1937-06-22 |
US2200490A (en) | 1940-05-14 |