GB250669A - Improvements in and relating to the construction of sound boxes, volume chambers or trumpets used in connection with gramophones, loud speakers, musical instruments and the like - Google Patents
Improvements in and relating to the construction of sound boxes, volume chambers or trumpets used in connection with gramophones, loud speakers, musical instruments and the likeInfo
- Publication number
- GB250669A GB250669A GB128125A GB128125A GB250669A GB 250669 A GB250669 A GB 250669A GB 128125 A GB128125 A GB 128125A GB 128125 A GB128125 A GB 128125A GB 250669 A GB250669 A GB 250669A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trumpets
- gramophones
- relating
- construction
- connection
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
Landscapes
- Auxiliary Devices For Music (AREA)
- Building Environments (AREA)
Abstract
250,669. Vucasovitch, H. Jan. 15, 1925. Drawings to Specification. Ear instruments.-The Piovisional Specification states that the invention, which relates to a sound-magnifying structure comprising walls built up of two or more layers of material separated by an air space or spaces, is applicable to ear trumpets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB128125A GB250669A (en) | 1925-01-15 | 1925-01-15 | Improvements in and relating to the construction of sound boxes, volume chambers or trumpets used in connection with gramophones, loud speakers, musical instruments and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB128125A GB250669A (en) | 1925-01-15 | 1925-01-15 | Improvements in and relating to the construction of sound boxes, volume chambers or trumpets used in connection with gramophones, loud speakers, musical instruments and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB250669A true GB250669A (en) | 1926-04-15 |
Family
ID=9719233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB128125A Expired GB250669A (en) | 1925-01-15 | 1925-01-15 | Improvements in and relating to the construction of sound boxes, volume chambers or trumpets used in connection with gramophones, loud speakers, musical instruments and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB250669A (en) |
-
1925
- 1925-01-15 GB GB128125A patent/GB250669A/en not_active Expired
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