GB282702A - Improvements in reproducers of phonographs - Google Patents
Improvements in reproducers of phonographsInfo
- Publication number
- GB282702A GB282702A GB10511/27A GB1051127A GB282702A GB 282702 A GB282702 A GB 282702A GB 10511/27 A GB10511/27 A GB 10511/27A GB 1051127 A GB1051127 A GB 1051127A GB 282702 A GB282702 A GB 282702A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cane
- diaphragm
- wedges
- cord
- stylus
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
282,702. Resonator, Ltd., (Assignees of Davis, C. H.). Dec. 29, 1926, [Convention date]. Diaphragms.- A conical diaphragm 3 of thin material such as wood veneer is wedged by a cord 4 in a groove in a ring 1 of cane, wood, vulcanite, celluloid, &c. into which the stylus holder 8 is directly screwed at a suitable angle. The diaphragm is preferably held on both sides by silk cords 4 glued in position except at the part adjacent the stylus. holder where cane wedges 6 are employed. The Specification as open to inspection under Sect. 91 (3) (a) states that the cord at one side of the diaphragm may be replaced by cane wedges. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU282702X | 1926-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB282702A true GB282702A (en) | 1928-07-05 |
Family
ID=3716462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10511/27A Expired GB282702A (en) | 1926-12-29 | 1927-04-19 | Improvements in reproducers of phonographs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB282702A (en) |
-
1927
- 1927-04-19 GB GB10511/27A patent/GB282702A/en not_active Expired
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