GB228400A - Improved sound box for sound recording and sound reproducing apparatus - Google Patents
Improved sound box for sound recording and sound reproducing apparatusInfo
- Publication number
- GB228400A GB228400A GB1004824A GB1004824A GB228400A GB 228400 A GB228400 A GB 228400A GB 1004824 A GB1004824 A GB 1004824A GB 1004824 A GB1004824 A GB 1004824A GB 228400 A GB228400 A GB 228400A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sound
- recording
- diaphragm
- arm
- reproducing apparatus
- 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
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 229920002160 Celluloid Polymers 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
228,400. Sloane, A. April 23, 1924. Tool-arms and mountings.-In a large soundbox for a recording or reproducing machine, in which the diaphragm 1 is of celluloid or the like, and preferably tapers peripherally, the main part of the stylus-arm 2 may be of brass, and has attached thereto a short tongue 3 of tempered steel, which is secured to the diaphragm. The arm 2 is mounted between pointed screws 6, the fulcrum being offset as shown from a line joining the needle point to the centre of the diaphragm. A blade spring 5 bears on the arm 2 at both sides of the fulcrum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1004824A GB228400A (en) | 1924-04-23 | 1924-04-23 | Improved sound box for sound recording and sound reproducing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1004824A GB228400A (en) | 1924-04-23 | 1924-04-23 | Improved sound box for sound recording and sound reproducing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB228400A true GB228400A (en) | 1925-02-05 |
Family
ID=9960490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1004824A Expired GB228400A (en) | 1924-04-23 | 1924-04-23 | Improved sound box for sound recording and sound reproducing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB228400A (en) |
-
1924
- 1924-04-23 GB GB1004824A patent/GB228400A/en not_active Expired
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