GB781637A - Improvements in or relating to apparatus for the reproduction of sound - Google Patents
Improvements in or relating to apparatus for the reproduction of soundInfo
- Publication number
- GB781637A GB781637A GB29991/55A GB2999155A GB781637A GB 781637 A GB781637 A GB 781637A GB 29991/55 A GB29991/55 A GB 29991/55A GB 2999155 A GB2999155 A GB 2999155A GB 781637 A GB781637 A GB 781637A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sound
- reproduction
- relating
- oct
- cabinet
- 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
- H04R1/22—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
781,637. Sound directing appliances. TELEFUNKEN GES. Oct. 20, 1955 [Oct. 22, 1954] No. 29991/55. Class 13. [Also in Groups XXXIX and XL (c)] A low-frequency loud-speaker 1 is mounted in a cabinet and one or more high-frequency loud-speakers 4, 5 are mounted in a door or doors hinged to the cabinet.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE781637X | 1954-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB781637A true GB781637A (en) | 1957-08-21 |
Family
ID=6691943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29991/55A Expired GB781637A (en) | 1954-10-22 | 1955-10-20 | Improvements in or relating to apparatus for the reproduction of sound |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB781637A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3080012A (en) * | 1958-09-26 | 1963-03-05 | Columbia Broadcasting Syst Inc | Stereophonic loudspeaker arrays |
US3090462A (en) * | 1959-03-26 | 1963-05-21 | Motorola Inc | Cabinet for sound reproducing equipment |
US3104729A (en) * | 1963-09-24 | Stereophonic sound reproducing loudspeaker system | ||
US3125181A (en) * | 1961-06-21 | 1964-03-17 | pawlowski | |
US3180447A (en) * | 1959-03-26 | 1965-04-27 | Motorola Inc | Cabinet for sound reproducing equipment |
US3194339A (en) * | 1962-06-08 | 1965-07-13 | Electro Voice | Loudspeaker system |
US3707201A (en) * | 1970-12-31 | 1972-12-26 | Tma Co | Cabinet-mounted speaker system |
US4199657A (en) * | 1978-07-21 | 1980-04-22 | Harvey Lane | Planar sound reproducing speaker system |
FR2562370A1 (en) * | 1984-03-27 | 1985-10-04 | Loire Electronique | Device for reproducing a stereophonic or pseudo-stereophonic sound to several listeners and stereophonic or pseudo-stereophonic unit containing such a device |
WO2008010138A3 (en) * | 2006-07-13 | 2008-04-03 | Koninkl Philips Electronics Nv | Loudspeaker system and loudspeaker having a tweeter array |
-
1955
- 1955-10-20 GB GB29991/55A patent/GB781637A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3104729A (en) * | 1963-09-24 | Stereophonic sound reproducing loudspeaker system | ||
US3080012A (en) * | 1958-09-26 | 1963-03-05 | Columbia Broadcasting Syst Inc | Stereophonic loudspeaker arrays |
US3090462A (en) * | 1959-03-26 | 1963-05-21 | Motorola Inc | Cabinet for sound reproducing equipment |
US3180447A (en) * | 1959-03-26 | 1965-04-27 | Motorola Inc | Cabinet for sound reproducing equipment |
US3125181A (en) * | 1961-06-21 | 1964-03-17 | pawlowski | |
US3194339A (en) * | 1962-06-08 | 1965-07-13 | Electro Voice | Loudspeaker system |
US3707201A (en) * | 1970-12-31 | 1972-12-26 | Tma Co | Cabinet-mounted speaker system |
US4199657A (en) * | 1978-07-21 | 1980-04-22 | Harvey Lane | Planar sound reproducing speaker system |
FR2562370A1 (en) * | 1984-03-27 | 1985-10-04 | Loire Electronique | Device for reproducing a stereophonic or pseudo-stereophonic sound to several listeners and stereophonic or pseudo-stereophonic unit containing such a device |
WO2008010138A3 (en) * | 2006-07-13 | 2008-04-03 | Koninkl Philips Electronics Nv | Loudspeaker system and loudspeaker having a tweeter array |
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