GB1310165A - Sound radiator - Google Patents
Sound radiatorInfo
- Publication number
- GB1310165A GB1310165A GB1279370A GB1279370A GB1310165A GB 1310165 A GB1310165 A GB 1310165A GB 1279370 A GB1279370 A GB 1279370A GB 1279370 A GB1279370 A GB 1279370A GB 1310165 A GB1310165 A GB 1310165A
- Authority
- GB
- United Kingdom
- Prior art keywords
- baffles
- panel
- loudspeakers
- zig
- zag
- 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
- H04R1/20—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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Stereophonic System (AREA)
Abstract
1310165 Loudspeakers ELEKTROAKUSZTIKAI GYAR 17 March 1970 [26 Nov 1969] 12793/70 Headings H4J and H4X A loudspeaker system comprises a zig-zag array of at least three baffles (Fig. 7) on each of which is mounted one or more loudspeakers. The baffles are flat and the radiation axis of the or each loudspeaker is perpendicular to the flat front face. The baffles are at a common level and each two adjacent baffles meet at an angle angle substantially different from 180 degree along a meeting line. All the melting lines are parallel. A first flat panel is common and perpendicular to all the baffles and is positioned above or below them. The baffles meet the panel in a zig-zag line. The projections on to the panel of the radiation axes of sound from the baffles are alternately in front of and behind the zig-zag line. Adjacent baffles have centres of radiation which are spaced from each other by a distance smaller than ten times the wavelength of the upper limiting frequency of sound emitted from the baffle having the higher upper limiting frequency. The upper limiting frequency is the frequency at which the response measured along the radiation axis has decreased 10dB below the mean response over a bandwidth of one octave in the region of maximum sensitivity. Preferably two panels perpendicular to the baffles are provided one at the top and the other at the bottom as shown in Fig. 7. Arrangements of four baffles (Fig. 8, not shown) and five baffles (Fig. 9, not shown) are described. The baffles may mount a plurality of loudspeakers, and the loudspeakers may be identical or different (Figs. 14, 15). Vertical wooden rods 18 (Fig. 20b) may be placed in front of the loudspeakers 5 to alter the directivity patterns. Two zig-zag arrays may be mounted one above the other, there being a lower and upper panel perpendicular to the baffles and a common perpendicular panel between the zig-zag arrays (Fig. 10). Alternatively the common panel is omitted (Fig. 11, not shown). The upper array may be out of step with the lower array (Figs. 12, 13, not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUEE001750 | 1969-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1310165A true GB1310165A (en) | 1973-03-14 |
Family
ID=10995317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1279370A Expired GB1310165A (en) | 1969-11-26 | 1970-03-17 | Sound radiator |
Country Status (17)
Country | Link |
---|---|
US (1) | US3648801A (en) |
AT (1) | AT320766B (en) |
BE (1) | BE756400A (en) |
BG (1) | BG29729A3 (en) |
CA (1) | CA931082A (en) |
CH (1) | CH526245A (en) |
CS (1) | CS164868B2 (en) |
DE (1) | DE2017649B2 (en) |
DK (1) | DK143089C (en) |
ES (1) | ES384044A1 (en) |
FI (1) | FI51884C (en) |
FR (1) | FR2071569A5 (en) |
GB (1) | GB1310165A (en) |
NL (1) | NL7008149A (en) |
NO (1) | NO124970B (en) |
PL (1) | PL81317B1 (en) |
SE (1) | SE358539B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995026102A1 (en) * | 1994-03-24 | 1995-09-28 | Philips Electronics N.V. | Audio-visual arrangement and system in which such an arrangement is used |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU163253B (en) * | 1971-08-16 | 1973-07-28 | ||
US3947635A (en) * | 1973-09-12 | 1976-03-30 | Frankman Charles W | Integrated stereo speaker system |
US4365688A (en) * | 1981-03-12 | 1982-12-28 | Blose William G | Speaker cabinet |
FR2628924B1 (en) * | 1988-03-15 | 1991-08-30 | Baranes Roger | ACOUSTIC SPEAKERS WITH OPTIMUM DIRECTIVITIES ADAPTABLE IN SOUND DIFFUSERS WITH DEFLECTIVE CONES |
JPH07143588A (en) * | 1993-11-12 | 1995-06-02 | Hisaji Nakamura | Vertical array type speaker equipment |
US6755277B2 (en) * | 2001-08-02 | 2004-06-29 | Dell Products L.P. | Speaker resonance voicebox |
US20070172085A1 (en) * | 2006-01-26 | 2007-07-26 | Art Powers | Theater center apparatus |
US10321211B2 (en) * | 2014-10-10 | 2019-06-11 | David Curtinsmith | Method and apparatus for providing customised sound distributions |
WO2021252797A1 (en) * | 2020-06-10 | 2021-12-16 | Dolby Laboratories Licensing Corporation | Asymmetrical acoustic horn |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3104729A (en) * | 1963-09-24 | Stereophonic sound reproducing loudspeaker system | ||
US2544742A (en) * | 1946-12-31 | 1951-03-13 | Vibra Sonic Inc | Cubic loud-speaker cabinet |
US2602860A (en) * | 1947-11-18 | 1952-07-08 | Doubt Leon Stewart | Loud-speaker structure |
US3179203A (en) * | 1963-11-29 | 1965-04-20 | Edgar S Transue | Speaker re-vibration system |
US3241631A (en) * | 1964-01-31 | 1966-03-22 | Manieri Domenico | High-fidelity column-type stereomonophonic diffuser with regulated sound deflection |
US3449519A (en) * | 1968-01-24 | 1969-06-10 | Morey J Mowry | Speaker system for sound-wave amplification |
-
0
- BE BE756400D patent/BE756400A/en unknown
-
1970
- 1970-02-25 US US13886A patent/US3648801A/en not_active Expired - Lifetime
- 1970-03-12 FR FR7008918A patent/FR2071569A5/fr not_active Expired
- 1970-03-17 GB GB1279370A patent/GB1310165A/en not_active Expired
- 1970-03-18 CA CA077790A patent/CA931082A/en not_active Expired
- 1970-03-25 NO NO1142/70A patent/NO124970B/no unknown
- 1970-03-27 AT AT287970A patent/AT320766B/en not_active IP Right Cessation
- 1970-03-31 PL PL1970139713A patent/PL81317B1/pl unknown
- 1970-04-01 DK DK164870A patent/DK143089C/en active
- 1970-04-13 DE DE19702017649 patent/DE2017649B2/en not_active Ceased
- 1970-04-15 FI FI701044A patent/FI51884C/en active
- 1970-04-18 BG BG014521A patent/BG29729A3/en unknown
- 1970-06-04 NL NL7008149A patent/NL7008149A/xx unknown
- 1970-06-24 SE SE08754/70A patent/SE358539B/xx unknown
- 1970-08-03 CS CS5409A patent/CS164868B2/cs unknown
- 1970-09-22 CH CH1404570A patent/CH526245A/en not_active IP Right Cessation
- 1970-09-28 ES ES384044A patent/ES384044A1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995026102A1 (en) * | 1994-03-24 | 1995-09-28 | Philips Electronics N.V. | Audio-visual arrangement and system in which such an arrangement is used |
Also Published As
Publication number | Publication date |
---|---|
CH526245A (en) | 1972-07-31 |
PL81317B1 (en) | 1975-08-30 |
AT320766B (en) | 1975-02-25 |
DK143089B (en) | 1981-03-23 |
SE358539B (en) | 1973-07-30 |
DE2017649A1 (en) | 1971-06-16 |
CS164868B2 (en) | 1975-11-28 |
BG29729A3 (en) | 1981-01-15 |
FR2071569A5 (en) | 1971-09-17 |
BE756400A (en) | 1971-03-01 |
FI51884C (en) | 1977-04-12 |
NO124970B (en) | 1972-06-26 |
NL7008149A (en) | 1971-05-28 |
FI51884B (en) | 1976-12-31 |
CA931082A (en) | 1973-07-31 |
DK143089C (en) | 1981-10-26 |
DE2017649B2 (en) | 1972-12-28 |
ES384044A1 (en) | 1973-01-01 |
US3648801A (en) | 1972-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |