GB315561A - Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds - Google Patents
Improvements relating to the horns of gramophones and like instruments for the reproduction of soundsInfo
- Publication number
- GB315561A GB315561A GB1929228A GB1929228A GB315561A GB 315561 A GB315561 A GB 315561A GB 1929228 A GB1929228 A GB 1929228A GB 1929228 A GB1929228 A GB 1929228A GB 315561 A GB315561 A GB 315561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- horns
- gramophones
- sounds
- reproduction
- instruments
- 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)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
315,561. Aspden, R. L. July 3, 1928. Horns for granophones are formed in such a manner that the area increases in geometrical progression over a number of sections a, a<1> - - a<10>, the lengths of which decrease in arithmetical or geometrical progression.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1929228A GB315561A (en) | 1928-07-03 | 1928-07-03 | Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1929228A GB315561A (en) | 1928-07-03 | 1928-07-03 | Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds |
Publications (1)
Publication Number | Publication Date |
---|---|
GB315561A true GB315561A (en) | 1929-07-18 |
Family
ID=10126962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1929228A Expired GB315561A (en) | 1928-07-03 | 1928-07-03 | Improvements relating to the horns of gramophones and like instruments for the reproduction of sounds |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB315561A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4176731A (en) * | 1977-11-21 | 1979-12-04 | Altec Corporation | Two-section exponential acoustical horn |
-
1928
- 1928-07-03 GB GB1929228A patent/GB315561A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4176731A (en) * | 1977-11-21 | 1979-12-04 | Altec Corporation | Two-section exponential acoustical horn |
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