GB190822965A - Improvements in Trumpets or Horns. - Google Patents
Improvements in Trumpets or Horns.Info
- Publication number
- GB190822965A GB190822965A GB190822965DA GB190822965A GB 190822965 A GB190822965 A GB 190822965A GB 190822965D A GB190822965D A GB 190822965DA GB 190822965 A GB190822965 A GB 190822965A
- Authority
- GB
- United Kingdom
- Prior art keywords
- holes
- trumpets
- trumpet
- paint
- small end
- 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
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
22,965. Juron, J. M. C. Nov. 6, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Drawings to Specification. Trumpets.-Holes are provided near the base of the trumpets of phonographs, wind instruments, &c. to purify the tone, and with trumpets of very thin and highly sonorous metal a coating of paint is also applied on the inner or outer surface, or on both, before varnishing, the coat covering a little more than half the length from the small end. The paint has a metallic, for instance an aluminium, basis. The holes are arranged regularly on lines parallel to the edge of the mouth of the trumpet, whether curved or scalloped or not. They are placed on generating lines and diminish in size towards the small end, the outside holes being in proportion to the size of the trumpet. The holes are preferably arranged quincuncially, and are not carried beyond a certain distance from the base.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR190822965X | 1907-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190822965A true GB190822965A (en) | 1908-12-17 |
Family
ID=32407019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190822965D Expired GB190822965A (en) | 1907-11-06 | 1908-10-28 | Improvements in Trumpets or Horns. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190822965A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022853A (en) * | 1958-07-14 | 1962-02-27 | Rototone Inc | Swiveling acoustical apparatus |
| US3174578A (en) * | 1961-10-06 | 1965-03-23 | Kojima Seiichi | Contracted horns with least mouth reflection and some wall leakage |
| US4727584A (en) * | 1986-02-14 | 1988-02-23 | Velodyne Acoustics, Inc. | Loudspeaker with motional feedback |
| US8953831B2 (en) | 2012-09-28 | 2015-02-10 | Bose Corporation | Narrow mouth horn loudspeaker |
| USRE46811E1 (en) | 2008-05-02 | 2018-04-24 | Bose Corporation | Passive directional acoustic radiating |
| WO2023174574A1 (en) | 2022-03-17 | 2023-09-21 | Pss Belgium Nv | Loudspeaker assembly |
-
1908
- 1908-10-28 GB GB190822965D patent/GB190822965A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022853A (en) * | 1958-07-14 | 1962-02-27 | Rototone Inc | Swiveling acoustical apparatus |
| US3174578A (en) * | 1961-10-06 | 1965-03-23 | Kojima Seiichi | Contracted horns with least mouth reflection and some wall leakage |
| US4727584A (en) * | 1986-02-14 | 1988-02-23 | Velodyne Acoustics, Inc. | Loudspeaker with motional feedback |
| USRE46811E1 (en) | 2008-05-02 | 2018-04-24 | Bose Corporation | Passive directional acoustic radiating |
| US8953831B2 (en) | 2012-09-28 | 2015-02-10 | Bose Corporation | Narrow mouth horn loudspeaker |
| WO2023174574A1 (en) | 2022-03-17 | 2023-09-21 | Pss Belgium Nv | Loudspeaker assembly |
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