GB261387A - An improved telephone receiver of the loud speaker type - Google Patents
An improved telephone receiver of the loud speaker typeInfo
- Publication number
- GB261387A GB261387A GB28320/26A GB2832026A GB261387A GB 261387 A GB261387 A GB 261387A GB 28320/26 A GB28320/26 A GB 28320/26A GB 2832026 A GB2832026 A GB 2832026A GB 261387 A GB261387 A GB 261387A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnet
- loud speaker
- vibrating member
- telephone receiver
- speaker type
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
261,387. Bitton, A. L. Nov. 10, 1925, [Convention date]. Void [Published under Sect. 91 of the Acts]. Loud-speakers; magnetic instruments.-The vibrating member of a loud-speaker consists of either the magnet 1 or the support 3 for the coil or coils 4, 4<1>. The vibrating member is arranged between, and operates, two soundemitting. surfaces 6, 6<1> consisting of plates of wood or other material. The vibrating member is connected to the sound-emitting surface by contact members 5, 5<1> having a small contact surface. According to modifications, the coils surround the magnet as at 7, 7<1>; the magnet is connected to the sound-emitting surfaces and a coil is carried by a support between the poles or by a polepiece attached to one of the poles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR261387X | 1925-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB261387A true GB261387A (en) | 1927-12-01 |
Family
ID=8885068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB28320/26A Expired GB261387A (en) | 1925-11-10 | 1926-11-10 | An improved telephone receiver of the loud speaker type |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB261387A (en) |
-
1926
- 1926-11-10 GB GB28320/26A patent/GB261387A/en not_active Expired
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