FI51884C - Sound emitter. - Google Patents
Sound emitter.Info
- Publication number
- FI51884C FI51884C FI701044A FI104470A FI51884C FI 51884 C FI51884 C FI 51884C FI 701044 A FI701044 A FI 701044A FI 104470 A FI104470 A FI 104470A FI 51884 C FI51884 C FI 51884C
- Authority
- FI
- Finland
- Prior art keywords
- sound emitter
- emitter
- sound
- Prior art date
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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUEE001750 | 1969-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI51884B FI51884B (en) | 1976-12-31 |
FI51884C true FI51884C (en) | 1977-04-12 |
Family
ID=10995317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI701044A FI51884C (en) | 1969-11-26 | 1970-04-15 | Sound emitter. |
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) |
Families Citing this family (10)
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 |
JP3795915B2 (en) * | 1994-03-24 | 2006-07-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Audio-video apparatus and system using such apparatus |
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 |
CA2963152C (en) * | 2014-10-10 | 2023-10-31 | Gde Engineering Pty Ltd | Method and apparatus for providing customised sound distributions |
US20230317051A1 (en) * | 2020-06-10 | 2023-10-05 | 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
Also Published As
Publication number | Publication date |
---|---|
FI51884B (en) | 1976-12-31 |
DE2017649B2 (en) | 1972-12-28 |
NL7008149A (en) | 1971-05-28 |
NO124970B (en) | 1972-06-26 |
DE2017649A1 (en) | 1971-06-16 |
SE358539B (en) | 1973-07-30 |
BG29729A3 (en) | 1981-01-15 |
CA931082A (en) | 1973-07-31 |
BE756400A (en) | 1971-03-01 |
GB1310165A (en) | 1973-03-14 |
PL81317B1 (en) | 1975-08-30 |
CH526245A (en) | 1972-07-31 |
US3648801A (en) | 1972-03-14 |
CS164868B2 (en) | 1975-11-28 |
AT320766B (en) | 1975-02-25 |
ES384044A1 (en) | 1973-01-01 |
FR2071569A5 (en) | 1971-09-17 |
DK143089C (en) | 1981-10-26 |
DK143089B (en) | 1981-03-23 |
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