GB1303602A - - Google Patents
Info
- Publication number
- GB1303602A GB1303602A GB1303602DA GB1303602A GB 1303602 A GB1303602 A GB 1303602A GB 1303602D A GB1303602D A GB 1303602DA GB 1303602 A GB1303602 A GB 1303602A
- Authority
- GB
- United Kingdom
- Prior art keywords
- units
- loud
- axes
- speaker
- smaller
- 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
- 239000011358 absorbing material Substances 0.000 abstract 1
- 238000010276 construction Methods 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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB664971 | 1971-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1303602A true GB1303602A (ja) | 1973-01-17 |
Family
ID=9818291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1303602D Expired GB1303602A (ja) | 1971-03-12 | 1971-03-12 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1303602A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165797A (en) * | 1977-06-06 | 1979-08-28 | Mack Spetalnik | Adjustable high frequency sound dispersion system |
EP0560576A2 (en) * | 1992-03-11 | 1993-09-15 | Matsushita Electric Industrial Co., Ltd. | Speaker system using a plurality of speaker units for directivity control |
GB2486688A (en) * | 2010-12-22 | 2012-06-27 | Wolfson Microelectronics Plc | Speaker system using several low-frequency loudspeakers around a high-frequency loudspeaker |
GB2522055A (en) * | 2014-01-11 | 2015-07-15 | Matthew James Dobson | Loudspeaker system |
IT201900020664A1 (it) * | 2019-11-08 | 2021-05-08 | Matteo Perrini | Diffusore acustico. |
-
1971
- 1971-03-12 GB GB1303602D patent/GB1303602A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165797A (en) * | 1977-06-06 | 1979-08-28 | Mack Spetalnik | Adjustable high frequency sound dispersion system |
EP0560576A2 (en) * | 1992-03-11 | 1993-09-15 | Matsushita Electric Industrial Co., Ltd. | Speaker system using a plurality of speaker units for directivity control |
EP0560576A3 (en) * | 1992-03-11 | 1994-05-11 | Matsushita Electric Ind Co Ltd | Speaker system using a plurality of speaker units for directivity control |
GB2486688A (en) * | 2010-12-22 | 2012-06-27 | Wolfson Microelectronics Plc | Speaker system using several low-frequency loudspeakers around a high-frequency loudspeaker |
GB2522055A (en) * | 2014-01-11 | 2015-07-15 | Matthew James Dobson | Loudspeaker system |
GB2522055B (en) * | 2014-01-11 | 2021-06-09 | James Dobson Matthew | Loudspeaker system |
IT201900020664A1 (it) * | 2019-11-08 | 2021-05-08 | Matteo Perrini | Diffusore acustico. |
EP3820159A1 (en) * | 2019-11-08 | 2021-05-12 | Matteo Perrini | Acoustic speaker |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |