GB1480773A - Acoustic distributor - Google Patents
Acoustic distributorInfo
- Publication number
- GB1480773A GB1480773A GB4040874A GB4040874A GB1480773A GB 1480773 A GB1480773 A GB 1480773A GB 4040874 A GB4040874 A GB 4040874A GB 4040874 A GB4040874 A GB 4040874A GB 1480773 A GB1480773 A GB 1480773A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manifold
- sound
- casing
- valves
- acoustifone
- 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
- H04R27/00—Public address systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
1480773 Sound distributers ACOUSTIFONE CORP 17 Sept 1974 40408/74 Heading H4J A device for distributing sound to a plurality of listeners comprises an enclosure containing a loud-speaker acoustically coupled to parts 30 serving as receptacles for listening tubes 25 and normally closed by slide valves 71. The loudspeaker is resiliently mounted by a gasket between casing and manifold mouldings clamped together by screws to define a distribution chamber 41. Radial slots receiving spring- loaded valves 71 to grip probes 26 are formed by the manifold 32 and bottom casing 29.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4040874A GB1480773A (en) | 1974-09-17 | 1974-09-17 | Acoustic distributor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4040874A GB1480773A (en) | 1974-09-17 | 1974-09-17 | Acoustic distributor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1480773A true GB1480773A (en) | 1977-07-27 |
Family
ID=10414759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4040874A Expired GB1480773A (en) | 1974-09-17 | 1974-09-17 | Acoustic distributor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1480773A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2124853A (en) * | 1982-08-03 | 1984-02-22 | Gkn Sankey Ltd | Communication system |
-
1974
- 1974-09-17 GB GB4040874A patent/GB1480773A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2124853A (en) * | 1982-08-03 | 1984-02-22 | Gkn Sankey Ltd | Communication system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |