GB675104A - Improvements in or relating to loudspeakers - Google Patents
Improvements in or relating to loudspeakersInfo
- Publication number
- GB675104A GB675104A GB1878148D GB1878148D GB675104A GB 675104 A GB675104 A GB 675104A GB 1878148 D GB1878148 D GB 1878148D GB 1878148 D GB1878148 D GB 1878148D GB 675104 A GB675104 A GB 675104A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loud
- july
- diaphragm
- loudspeakers
- relating
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
675,104. Loud-speakers; diaphragms. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 17, 1950 [July 16, 1949], No. 18781/49. Class 40 (iv). In a loud-speaker (preferably of the moving coil type) having a diaphragm of metal foil supported at its periphery by a flexible support the diaphragm is in the form of a right elliptical cone, and is preferably of aluminium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1878148D GB675104A (en) | 1948-07-16 | 1948-07-16 | Improvements in or relating to loudspeakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1878148D GB675104A (en) | 1948-07-16 | 1948-07-16 | Improvements in or relating to loudspeakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB675104A true GB675104A (en) | 1952-07-02 |
Family
ID=10118311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1878148D Expired GB675104A (en) | 1948-07-16 | 1948-07-16 | Improvements in or relating to loudspeakers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB675104A (en) |
-
1948
- 1948-07-16 GB GB1878148D patent/GB675104A/en not_active Expired
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