GB630719A - Improvements in or relating to loud speakers and like sound reproducing devices - Google Patents
Improvements in or relating to loud speakers and like sound reproducing devicesInfo
- Publication number
- GB630719A GB630719A GB1131647A GB1131647A GB630719A GB 630719 A GB630719 A GB 630719A GB 1131647 A GB1131647 A GB 1131647A GB 1131647 A GB1131647 A GB 1131647A GB 630719 A GB630719 A GB 630719A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- sound reproducing
- reproducing devices
- loud speakers
- 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
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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Buffer Packaging (AREA)
Abstract
630,719. Loudspeakers. GOODMANS INDUSTRIES, Ltd., and MILLER, J. W. April 28, 1947, No. 11316. [Class 40 (iv)] The usual ring 8 of cardboard or other fibrous material which acts as an acoustic seal between a loudspeaker and a baffle is formed from a straight strip bent to shape with the cut edges abutting the baffle and the loudspeaker.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1131647A GB630719A (en) | 1947-04-28 | 1947-04-28 | Improvements in or relating to loud speakers and like sound reproducing devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1131647A GB630719A (en) | 1947-04-28 | 1947-04-28 | Improvements in or relating to loud speakers and like sound reproducing devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB630719A true GB630719A (en) | 1949-10-19 |
Family
ID=9984024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1131647A Expired GB630719A (en) | 1947-04-28 | 1947-04-28 | Improvements in or relating to loud speakers and like sound reproducing devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB630719A (en) |
-
1947
- 1947-04-28 GB GB1131647A patent/GB630719A/en not_active Expired
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