GB650907A - Improvements in loud speakers - Google Patents
Improvements in loud speakersInfo
- Publication number
- GB650907A GB650907A GB2007348A GB2007348A GB650907A GB 650907 A GB650907 A GB 650907A GB 2007348 A GB2007348 A GB 2007348A GB 2007348 A GB2007348 A GB 2007348A GB 650907 A GB650907 A GB 650907A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loud
- loud speakers
- speaker
- secured
- snell
- 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
- 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
650,907. Horns. K.L.B. ELECTRIC, Ltd., and SNELL, A. C. July 27, 1948, No. 20073. [Class 13] [Also in Group XXXIX] A re-entrant horn for a loud-speaker is built up of parts 1, 2, 3 which are nested one within another and are secured together by bolts so that the whole assembly can be dismantled or assembled from the front. A moving-coil loud-speaker movement 7 is secured to the inner part 3 by a bracket 6 and screws 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2007348A GB650907A (en) | 1948-07-27 | 1948-07-27 | Improvements in loud speakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2007348A GB650907A (en) | 1948-07-27 | 1948-07-27 | Improvements in loud speakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB650907A true GB650907A (en) | 1951-03-07 |
Family
ID=10139918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2007348A Expired GB650907A (en) | 1948-07-27 | 1948-07-27 | Improvements in loud speakers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB650907A (en) |
-
1948
- 1948-07-27 GB GB2007348A patent/GB650907A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB677225A (en) | Improvements in or relating to electro-acoustic transducers | |
GB667170A (en) | Improvements in moving coil loudspeakers | |
GB650907A (en) | Improvements in loud speakers | |
GB963853A (en) | Loudspeakers | |
GB631799A (en) | Improvements in or relating to loud speakers | |
GB659818A (en) | Improvements in or relating to loudspeaker units | |
GB829214A (en) | Improvements in loud speaker systems | |
JPS51122425A (en) | Speaker system | |
GB566398A (en) | Improvements in or relating to loud speakers and loud speaker horns | |
JPS51122427A (en) | Electric acoustic transducer | |
GB666408A (en) | Improvements in or relating to electro-magnetic vibratory devices | |
JPS523424A (en) | Non-combustible speaker vibration plate | |
GB641668A (en) | Sound reproduction devices | |
GB661887A (en) | Improvements in or relating to mounting for loudspeakers | |
JPS5267301A (en) | Acoustic signal reproduction device | |
JPS53116102A (en) | Acoustic reproducer | |
GB660839A (en) | Methods of and apparatus for producing or reproducing the sounds of pealing bells | |
GB675104A (en) | Improvements in or relating to loudspeakers | |
GB521408A (en) | Improvements in or relating to public address horn-type loudspeakers | |
JPS5278424A (en) | Speaker system | |
GB659817A (en) | Improvements in or relating to loudspeaker cabinets and the like receptacles | |
JPS5345225A (en) | Conical speaker | |
GB1224475A (en) | Compression chamber loudspeakers | |
GB614638A (en) | Improvements in and relating to loudspeaking telephone systems | |
JPS51122424A (en) | Acoustic device |