GB279631A - Improvement in and relating to loud speaker horn - Google Patents
Improvement in and relating to loud speaker hornInfo
- Publication number
- GB279631A GB279631A GB2676626A GB2676626A GB279631A GB 279631 A GB279631 A GB 279631A GB 2676626 A GB2676626 A GB 2676626A GB 2676626 A GB2676626 A GB 2676626A GB 279631 A GB279631 A GB 279631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- improvement
- loud speaker
- speaker horn
- horn
- 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
- 241000206607 Porphyra umbilicalis Species 0.000 abstract 1
- 239000011120 plywood Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
279,631. Marks, E. C. R., (Br³ning & Sohn, Akt.-Ges., J.). - Oct. 26, 1926. Sound magnifying and directing appliances. - A loud-speaker horn of plywood comprises two layers of superposed wooden rings a, b which are glued together in such a manner that the joints of the upper layer are staggered with respect to the joints of the lower laver. The flared end of the horn may be formed by longitudinal plabes d superposed on rings c.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2676626A GB279631A (en) | 1926-10-26 | 1926-10-26 | Improvement in and relating to loud speaker horn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2676626A GB279631A (en) | 1926-10-26 | 1926-10-26 | Improvement in and relating to loud speaker horn |
Publications (1)
Publication Number | Publication Date |
---|---|
GB279631A true GB279631A (en) | 1927-11-03 |
Family
ID=10248841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2676626A Expired GB279631A (en) | 1926-10-26 | 1926-10-26 | Improvement in and relating to loud speaker horn |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB279631A (en) |
-
1926
- 1926-10-26 GB GB2676626A patent/GB279631A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB279631A (en) | Improvement in and relating to loud speaker horn | |
GB270192A (en) | An improved method of filling in holes caused by the displacement of knots in veneer wood | |
SU29507A1 (en) | The way to strengthen the speaker cone | |
SU1973A1 (en) | Device for gluing plywood in the joints | |
GB249918A (en) | Improvements in and relating to sound amplifiers | |
GB234939A (en) | Improvements in or relating to sound reproducing apparatus | |
AU1374323A (en) | Improvements in sectional pipelines and means for jointing' the sections thereof | |
CA254755A (en) | Sound absorbing method and material | |
GB342768A (en) | Improvements in or relating to acoustic horns | |
CA297837A (en) | Sound amplifying horn | |
CA301696A (en) | Sound amplifying horn | |
CA303599A (en) | Sound amplifying horn | |
CA240399A (en) | Sound amplifier | |
CA284741A (en) | Sound amplifying horn | |
AU2367125A (en) | Improvements in horns orthe like, for sound amplification | |
CA258853A (en) | Piezo-electric loud speaker | |
CA248451A (en) | Sound record | |
CA254268A (en) | Sound reproducing machine | |
CA252858A (en) | Sound reproducing machine | |
CA259811A (en) | Sound amplifier | |
CA314803A (en) | Sound amplifying horn | |
AU258526A (en) | Improved banding means for wood stave pipe tanks and the like | |
GB244031A (en) | Sound funnel for radio-telephony or other sound reproduction | |
CA251340A (en) | Acoustic horn | |
CA251497A (en) | Acoustic horn |