GB306278A - mprovements in or relating to loud speaking apparatus for wireless or other purpose - Google Patents
mprovements in or relating to loud speaking apparatus for wireless or other purposeInfo
- Publication number
- GB306278A GB306278A GB436828A GB436828A GB306278A GB 306278 A GB306278 A GB 306278A GB 436828 A GB436828 A GB 436828A GB 436828 A GB436828 A GB 436828A GB 306278 A GB306278 A GB 306278A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mprovements
- relating
- wireless
- loud speaking
- speaking apparatus
- 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
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
306,278. Marriott, E. J., and French, C. Feb. 11, 1928. Screens, furniture.-A baffle for use with loud speakers of the large diaphragm type may serve as a draught or like screen. As shown in Fig. 6, two panels 4 are hinged to a central panel 2 having an opening 8 for the diaphragm. The panels 4 may be turned back slightly to act as a screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB436828A GB306278A (en) | 1928-02-11 | 1928-02-11 | mprovements in or relating to loud speaking apparatus for wireless or other purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB436828A GB306278A (en) | 1928-02-11 | 1928-02-11 | mprovements in or relating to loud speaking apparatus for wireless or other purpose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB306278A true GB306278A (en) | 1929-02-21 |
Family
ID=9775844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB436828A Expired GB306278A (en) | 1928-02-11 | 1928-02-11 | mprovements in or relating to loud speaking apparatus for wireless or other purpose |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB306278A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3149958A1 (en) * | 2014-05-01 | 2017-04-05 | Hugh Brogan | Speaker device |
-
1928
- 1928-02-11 GB GB436828A patent/GB306278A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3149958A1 (en) * | 2014-05-01 | 2017-04-05 | Hugh Brogan | Speaker device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB306278A (en) | mprovements in or relating to loud speaking apparatus for wireless or other purpose | |
| AU2832330A (en) | Improved combination rest mat, screen and valise | |
| GB346885A (en) | Improvements in tables, desks and other articles of furniture | |
| GB373936A (en) | Improvements in portable cabinets | |
| GB301559A (en) | Improvements in or relating to acoustic devices | |
| USD84970S (en) | Design fob a badiocabinet ob the like | |
| CA306177A (en) | Combination chair and writing desk | |
| AU2600830A (en) | Improvements in and connected with office chairs | |
| GB348870A (en) | Improvements in or relating to the optical projection screens used in cinematograph theatres | |
| GB230962A (en) | Improved arrangement of wireless receiving apparatus | |
| AU2718630A (en) | An acoustical device for use in connection with loudspeaker units | |
| AU111704B2 (en) | Improvements in and connected with needled felt | |
| CA246993A (en) | Combination school desk and chair | |
| GB347302A (en) | Improvements in and connected with sound reproducing apparatus | |
| CA293939A (en) | Combination desk and telephone holder | |
| AU446831A (en) | Improvements in portable cabinets | |
| AU931227A (en) | Improvements in or connected with combined picture projection and sound reproducing apparatus | |
| AU457839A (en) | Improvements in and connected with needled felt | |
| CA289574A (en) | Combination trunk, bookcase and writing desk | |
| AU2990930A (en) | Improvements in film sound and picture reproducers | |
| AU2022029A (en) | Improvements in metallic chairs and stools | |
| GB520197A (en) | Pianos | |
| GB172730A (en) | Improvements in or relating to tables | |
| AU2862130A (en) | Improvements in keyboard perforator and counter | |
| GB510133A (en) | Improvements in or relating to upright pianofortes |