GB448189A - Improvements in or relating to moving coil loudspeakers - Google Patents
Improvements in or relating to moving coil loudspeakersInfo
- Publication number
- GB448189A GB448189A GB3600334A GB3600334A GB448189A GB 448189 A GB448189 A GB 448189A GB 3600334 A GB3600334 A GB 3600334A GB 3600334 A GB3600334 A GB 3600334A GB 448189 A GB448189 A GB 448189A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- moving coil
- horn
- sea
- coil loudspeakers
- 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
- 241000239290 Araneae Species 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
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
448,189. Acoustic horns. COLE, Ltd., E. K., Priory Crescent, Southend-on-Sea, and FALKUS. A. E., 280, Station Road, Westcliffon-Sea. Dec. 15, 1934, No. 36003. [Class 13] [Sec also Group XXXIX] In a moving-coil loudspeaker a conical diaphragm 4 is mounted at the throat of a horn 1 and is driven by a magnet system 2 mounted within the horn and from which it is supported by a spider 3. The magnet is of conoidal form and acts as a phase-equalizer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3600334A GB448189A (en) | 1934-12-15 | 1934-12-15 | Improvements in or relating to moving coil loudspeakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3600334A GB448189A (en) | 1934-12-15 | 1934-12-15 | Improvements in or relating to moving coil loudspeakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB448189A true GB448189A (en) | 1936-06-04 |
Family
ID=10383888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3600334A Expired GB448189A (en) | 1934-12-15 | 1934-12-15 | Improvements in or relating to moving coil loudspeakers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB448189A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133247A (en) * | 1982-12-24 | 1984-07-18 | Plessey Co Plc | Transducers |
US6950530B2 (en) | 2002-01-31 | 2005-09-27 | Martin Audio Limited | Directional loudspeaker unit |
-
1934
- 1934-12-15 GB GB3600334A patent/GB448189A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133247A (en) * | 1982-12-24 | 1984-07-18 | Plessey Co Plc | Transducers |
US6950530B2 (en) | 2002-01-31 | 2005-09-27 | Martin Audio Limited | Directional loudspeaker unit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB382268A (en) | Improvements in sound translating devices, particularly loud-speakers and telephone or like transmitters | |
GB534599A (en) | Improvements in or relating to magnetic apparatus and particularly to magneto-striction microphones | |
GB484704A (en) | Improvements in or relating to loudspeakers and the like | |
GB677225A (en) | Improvements in or relating to electro-acoustic transducers | |
GB448189A (en) | Improvements in or relating to moving coil loudspeakers | |
GB369030A (en) | Loud speaker | |
GB320654A (en) | Improvements in loud speakers for wireless apparatus or the like | |
GB440041A (en) | Improvements in or relating to loud-speakers and the like | |
GB441061A (en) | Improvements in or relating to loudspeakers and the like | |
GB310759A (en) | Improvements relating to electro-magnetic acoustic devices | |
GB672467A (en) | Improvements in and relating to sound reproducing devices | |
GB451754A (en) | Improvements in and relating to loud speakers | |
GB443724A (en) | Improvements relating to public address apparatus | |
GB452572A (en) | Improvements in or relating to telephone receivers | |
GB494696A (en) | Improvements in loud speaking telephones | |
SU53379A1 (en) | Speaker | |
GB248060A (en) | Improvements in or relating to loud speaking telephonic receivers | |
GB719188A (en) | Improvements in or relating to electro-dynamic loud-speakers | |
GB451984A (en) | Improvements in or relating to moving coil loudspeakers | |
GB300849A (en) | A loud speaker for radio-telephonic purposes | |
GB565367A (en) | Improvements in moving coil cone loud-speakers and microphones | |
CA325710A (en) | Loud speaker diaphragm | |
JPS55130298A (en) | Speaker | |
GB443816A (en) | Loudspeakers | |
GB489179A (en) | Improvements in means for producing artificial echo |