GB443816A - Loudspeakers - Google Patents
LoudspeakersInfo
- Publication number
- GB443816A GB443816A GB1661035A GB1661035A GB443816A GB 443816 A GB443816 A GB 443816A GB 1661035 A GB1661035 A GB 1661035A GB 1661035 A GB1661035 A GB 1661035A GB 443816 A GB443816 A GB 443816A
- Authority
- GB
- United Kingdom
- Prior art keywords
- walls
- double
- loudspeakers
- ostwall
- lenzola
- 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
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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)
Abstract
443,816. Horns. LENZOLA LAUTSPRECHER-FABRIK GES., and LENZEN, J., 139, Ostwall, Krefeld, Germany. June 7, 1935, No. 16610. [Class 13] [See also Group XXXIX] A double horn with central diaphragm 3 for a loud - speaker is formed with double walls 2 which are packed with sound-absorbing material. The walls are extended as at 1, 11 to form an enclosing casing 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1661035A GB443816A (en) | 1935-06-07 | 1935-06-07 | Loudspeakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1661035A GB443816A (en) | 1935-06-07 | 1935-06-07 | Loudspeakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB443816A true GB443816A (en) | 1936-03-06 |
Family
ID=10080431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1661035A Expired GB443816A (en) | 1935-06-07 | 1935-06-07 | Loudspeakers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB443816A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2866515A (en) * | 1955-11-28 | 1958-12-30 | Robert C Hunter | Cone for loud-speaker assembly |
US3129782A (en) * | 1961-05-04 | 1964-04-21 | James Willis Hughes | Public address apparatus |
-
1935
- 1935-06-07 GB GB1661035A patent/GB443816A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2866515A (en) * | 1955-11-28 | 1958-12-30 | Robert C Hunter | Cone for loud-speaker assembly |
US3129782A (en) * | 1961-05-04 | 1964-04-21 | James Willis Hughes | Public address apparatus |
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