GB0819100D0 - A sound source - Google Patents
A sound sourceInfo
- Publication number
- GB0819100D0 GB0819100D0 GBGB0819100.9A GB0819100A GB0819100D0 GB 0819100 D0 GB0819100 D0 GB 0819100D0 GB 0819100 A GB0819100 A GB 0819100A GB 0819100 D0 GB0819100 D0 GB 0819100D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- sound source
- sound
- source
- 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.)
- Granted
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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- 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
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0819100.9A GB2464512B (en) | 2008-10-16 | 2008-10-16 | A sound source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0819100.9A GB2464512B (en) | 2008-10-16 | 2008-10-16 | A sound source |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0819100D0 true GB0819100D0 (en) | 2008-11-26 |
GB2464512A GB2464512A (en) | 2010-04-21 |
GB2464512B GB2464512B (en) | 2012-11-28 |
Family
ID=40097625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0819100.9A Expired - Fee Related GB2464512B (en) | 2008-10-16 | 2008-10-16 | A sound source |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2464512B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB978781A (en) * | 1961-04-14 | 1964-12-23 | Gen Electric Co Ltd | Improvements in or relating to sound reproducing apparatus |
US4445227A (en) * | 1981-12-28 | 1984-04-24 | Magnavox Consumer Electronics Company | Loudspeaker having improved directional characteristics |
EP0339425B1 (en) * | 1988-04-28 | 1994-03-23 | Matsushita Electric Industrial Co., Ltd. | Speaker system |
JP2651383B2 (en) * | 1989-03-14 | 1997-09-10 | パイオニア株式会社 | Speaker device with directivity |
-
2008
- 2008-10-16 GB GB0819100.9A patent/GB2464512B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2464512A (en) | 2010-04-21 |
GB2464512B (en) | 2012-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20181016 |