GB788934A - Sound reproducing system and apparatus - Google Patents
Sound reproducing system and apparatusInfo
- Publication number
- GB788934A GB788934A GB27784/54A GB2778454A GB788934A GB 788934 A GB788934 A GB 788934A GB 27784/54 A GB27784/54 A GB 27784/54A GB 2778454 A GB2778454 A GB 2778454A GB 788934 A GB788934 A GB 788934A
- Authority
- GB
- United Kingdom
- Prior art keywords
- speaker
- loud
- planes
- plane
- frequency
- 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE788934X | 1953-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB788934A true GB788934A (en) | 1958-01-08 |
Family
ID=20336876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27784/54A Expired GB788934A (en) | 1953-10-02 | 1954-09-27 | Sound reproducing system and apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US2979149A (enrdf_load_stackoverflow) |
FR (1) | FR1118760A (enrdf_load_stackoverflow) |
GB (1) | GB788934A (enrdf_load_stackoverflow) |
NL (2) | NL191082B (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188811A (en) * | 1986-04-01 | 1987-10-07 | Canon Kk | Sound output system |
GB2230408A (en) * | 1989-03-17 | 1990-10-17 | Dimitris Lioupis | Loudspeakers |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL298920A (enrdf_load_stackoverflow) * | 1962-10-12 | |||
SE387512B (sv) * | 1973-08-24 | 1976-09-06 | S Carlsson | Hogtalare for sterofonisk ljudatergivningsanleggning, samt av tva sadana hogtalare bestaende hogtalarpar |
US8634586B2 (en) * | 2009-06-26 | 2014-01-21 | Polk Audio, Inc. | Ceiling-mounted loudspeaker enclosure |
US8066095B1 (en) * | 2009-09-24 | 2011-11-29 | Nicholas Sheppard Bromer | Transverse waveguide |
US8867749B2 (en) | 2011-04-18 | 2014-10-21 | Paul Blair McGowan | Acoustic spatial projector |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2065367A (en) * | 1935-12-31 | 1936-12-22 | Robert B Evans | Sound diffusing apparatus |
US2206427A (en) * | 1937-03-31 | 1940-07-02 | Rca Corp | Sound reproducing apparatus |
US2143175A (en) * | 1937-10-23 | 1939-01-10 | Samuel A Waite | Sound reproducing system |
US2179840A (en) * | 1938-05-03 | 1939-11-14 | Frida Bucky | Loudspeaker arrangement |
US2373692A (en) * | 1942-10-03 | 1945-04-17 | Ray L Smith | Loud-speaker |
CH248861A (de) * | 1944-05-30 | 1947-05-31 | Philips Nv | Stereophonisches Wiedergabegerät. |
FR913655A (fr) * | 1945-03-22 | 1946-09-17 | Perfectionnements aux appareils reproducteurs électriques de sons tels que radio-récepteurs et phonographes | |
FR54541E (fr) * | 1946-05-09 | 1950-05-04 | Perfectionnements aux appareils reproducteurs électriques de sons tels que radio-récepteurs et phonographes | |
BE478613A (enrdf_load_stackoverflow) * | 1946-09-20 | |||
US2722990A (en) * | 1949-11-08 | 1955-11-08 | Decca Record Co Ltd | Loudspeaker assemblies |
US2694462A (en) * | 1951-09-19 | 1954-11-16 | Robbins Frank | Acoustic system for loud-speakers |
US2701025A (en) * | 1952-02-05 | 1955-02-01 | George H Kuhl | High fidelity sound system |
US2824617A (en) * | 1952-09-15 | 1958-02-25 | Philips Corp | Sound reproducing device |
-
0
- NL NL97567D patent/NL97567C/xx active
- NL NL191082D patent/NL191082B/xx unknown
-
1954
- 1954-09-24 FR FR1118760D patent/FR1118760A/fr not_active Expired
- 1954-09-27 GB GB27784/54A patent/GB788934A/en not_active Expired
- 1954-09-27 US US458650A patent/US2979149A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188811A (en) * | 1986-04-01 | 1987-10-07 | Canon Kk | Sound output system |
GB2188811B (en) * | 1986-04-01 | 1990-12-12 | Canon Kk | Sound output system |
GB2230408A (en) * | 1989-03-17 | 1990-10-17 | Dimitris Lioupis | Loudspeakers |
Also Published As
Publication number | Publication date |
---|---|
NL97567C (enrdf_load_stackoverflow) | |
NL191082B (nl) | |
FR1118760A (fr) | 1956-06-11 |
US2979149A (en) | 1961-04-11 |
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