GB1418444A - Loudspeaker assembly - Google Patents
Loudspeaker assemblyInfo
- Publication number
- GB1418444A GB1418444A GB1296974A GB1296974A GB1418444A GB 1418444 A GB1418444 A GB 1418444A GB 1296974 A GB1296974 A GB 1296974A GB 1296974 A GB1296974 A GB 1296974A GB 1418444 A GB1418444 A GB 1418444A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dome
- loud
- march
- grundig
- loudspeaker assembly
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000004744 fabric Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive 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
- 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
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
1418444 Loud-speakers GRUNDIG EMV ELEKTRO - MECHANISCHE VERSUCHSANSTALT MAX GRUNDIG 22 March 1974 [24 March 1973] 12969/74 Heading H4J A unitary loud-speaker assembly of a dome mid-frequency unit 1 and one or more dome high-frequency units 2 comprises an apertured common permanent magnet 3 with pole plates 4, 5 on opposed faces and carrying soft iron polepieces 6, 7 in respective apertures. The dome diaphragms 10, 11 may be separate or formed of a single piece of stiffened cloth or plastics material carrying coils 13, 14 and held in a frame 9, 15 attached to the magnet structure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732314725 DE2314725B2 (en) | 1973-03-24 | 1973-03-24 | Speaker combination |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1418444A true GB1418444A (en) | 1975-12-17 |
Family
ID=5875779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1296974A Expired GB1418444A (en) | 1973-03-24 | 1974-03-22 | Loudspeaker assembly |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2314725B2 (en) |
GB (1) | GB1418444A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136293A (en) * | 1977-11-07 | 1979-01-23 | International Business Machines Corporation | Multi-actuator system using single magnetic circuit |
DE8508713U1 (en) * | 1985-03-23 | 1985-05-02 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Speaker combination |
US5701358A (en) * | 1994-07-05 | 1997-12-23 | Larsen; John T. | Isobaric loudspeaker |
-
1973
- 1973-03-24 DE DE19732314725 patent/DE2314725B2/en not_active Withdrawn
-
1974
- 1974-03-22 GB GB1296974A patent/GB1418444A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2314725A1 (en) | 1974-10-10 |
DE2314725B2 (en) | 1975-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |