DE548195C - Elektrodynamischer Lautsprecher mit grossflaechigem Schallstrahler - Google Patents
Elektrodynamischer Lautsprecher mit grossflaechigem SchallstrahlerInfo
- Publication number
- DE548195C DE548195C DER64584D DER0064584D DE548195C DE 548195 C DE548195 C DE 548195C DE R64584 D DER64584 D DE R64584D DE R0064584 D DER0064584 D DE R0064584D DE 548195 C DE548195 C DE 548195C
- Authority
- DE
- Germany
- Prior art keywords
- truncated cone
- membrane
- coil
- large sound
- electrodynamic loudspeaker
- 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
- 230000005520 electrodynamics Effects 0.000 title claims description 3
- 239000012528 membrane Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- 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
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- 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
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
-
- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
-
- 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
- H04R9/042—Centering by pressurised air
-
- 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
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electromechanical Clocks (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1483A US1707617A (en) | 1925-01-09 | 1925-01-09 | Sound-reproducing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE548195C true DE548195C (de) | 1932-04-08 |
Family
ID=21696234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DER64584D Expired DE548195C (de) | 1925-01-09 | 1925-06-13 | Elektrodynamischer Lautsprecher mit grossflaechigem Schallstrahler |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1707617A (fr) |
| BE (2) | BE331748A (fr) |
| DE (1) | DE548195C (fr) |
| FR (9) | FR610959A (fr) |
| GB (2) | GB245796A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2498825A (en) * | 1943-09-15 | 1950-02-28 | Hartford Nat Bank & Trust Comp | Moving coil transducer and enclosure |
| US2547565A (en) * | 1946-09-26 | 1951-04-03 | Wright Zimmerman Inc | Speaker having a tubular pot |
| US6639994B1 (en) | 2000-08-16 | 2003-10-28 | Jl Audio, Inc. | Loudspeaker having adjustable motor strength |
| FR2851115B1 (fr) * | 2003-02-10 | 2008-01-25 | Patrick Hoffmann | Transducteur acoustique generant un rayonnement sonore par compression et expansion d'une masse d'air situee entre une membrane mobile et une surface fixe ou entre deux membranes mobiles |
| US8295536B2 (en) | 2010-03-31 | 2012-10-23 | Bose Corporation | Moving magnet levered loudspeaker |
| US8295537B2 (en) | 2010-03-31 | 2012-10-23 | Bose Corporation | Loudspeaker moment and torque balancing |
| CN102026067B (zh) * | 2011-01-12 | 2013-07-24 | 常州声泰龙电子音响有限公司 | 扬声器及其振动部件 |
| US9055370B2 (en) | 2012-08-31 | 2015-06-09 | Bose Corporation | Vibration-reducing passive radiators |
-
0
- BE BE356544D patent/BE356544A/fr unknown
- BE BE331748D patent/BE331748A/xx unknown
-
1925
- 1925-01-09 US US1483A patent/US1707617A/en not_active Expired - Lifetime
- 1925-06-13 DE DER64584D patent/DE548195C/de not_active Expired
-
1926
- 1926-01-07 FR FR610959D patent/FR610959A/fr not_active Expired
- 1926-01-09 GB GB704/26A patent/GB245796A/en not_active Expired
-
1927
- 1927-11-30 GB GB32252/27A patent/GB310759A/en not_active Expired
-
1928
- 1928-07-11 FR FR35605D patent/FR35605E/fr not_active Expired
- 1928-11-29 FR FR36325D patent/FR36325E/fr not_active Expired
- 1928-12-01 FR FR36705D patent/FR36705E/fr not_active Expired
-
1929
- 1929-02-16 FR FR37084D patent/FR37084E/fr not_active Expired
- 1929-02-19 FR FR37086D patent/FR37086E/fr not_active Expired
-
1933
- 1933-01-21 FR FR43362D patent/FR43362E/fr not_active Expired
- 1933-04-26 FR FR43759D patent/FR43759E/fr not_active Expired
-
1934
- 1934-12-27 FR FR46228D patent/FR46228E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR43759E (fr) | 1934-08-29 |
| FR610959A (fr) | 1926-08-17 |
| FR46228E (fr) | 1936-04-02 |
| FR35605E (fr) | 1930-03-26 |
| BE331748A (fr) | |
| GB245796A (en) | 1927-04-11 |
| FR37086E (fr) | 1930-10-15 |
| BE356544A (fr) | |
| GB310759A (en) | 1929-04-30 |
| FR36705E (fr) | 1930-09-03 |
| FR43362E (fr) | 1934-05-11 |
| US1707617A (en) | 1929-04-02 |
| FR36325E (fr) | 1930-05-08 |
| FR37084E (fr) | 1930-10-15 |
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