GB242004A - Improvements in or relating to sound directing or amplifying horns and like acousticapparatus - Google Patents
Improvements in or relating to sound directing or amplifying horns and like acousticapparatusInfo
- Publication number
- GB242004A GB242004A GB1872324A GB1872324A GB242004A GB 242004 A GB242004 A GB 242004A GB 1872324 A GB1872324 A GB 1872324A GB 1872324 A GB1872324 A GB 1872324A GB 242004 A GB242004 A GB 242004A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acousticapparatus
- relating
- section
- sound directing
- bushing
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
242,004. Graham, E. A. Aug. 6, 1924. Addition to 217,675. Tone-arms.-In a sound conduit comprising two or more sections fitting together spigot- and-socket fashion with an interposed bushing of rubber &c. as described in the parent Specification, the spigot section 4 and the interior of the bushing 3 are correspondingly screwthreaded. The thread, which may be slightly conical, may be moulded with the section 4 if the latter is of mouldable material such as ebonite or may be formed on an extension piece if the section 4 is of wood &c.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1872324A GB242004A (en) | 1924-08-06 | 1924-08-06 | Improvements in or relating to sound directing or amplifying horns and like acousticapparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1872324A GB242004A (en) | 1924-08-06 | 1924-08-06 | Improvements in or relating to sound directing or amplifying horns and like acousticapparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB242004A true GB242004A (en) | 1925-11-05 |
Family
ID=10117296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1872324A Expired GB242004A (en) | 1924-08-06 | 1924-08-06 | Improvements in or relating to sound directing or amplifying horns and like acousticapparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB242004A (en) |
-
1924
- 1924-08-06 GB GB1872324A patent/GB242004A/en not_active Expired
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