GB370352A - Improvements in or relating to apparatus for the recording or reproduction of sound - Google Patents
Improvements in or relating to apparatus for the recording or reproduction of soundInfo
- Publication number
- GB370352A GB370352A GB32968/31A GB3296831A GB370352A GB 370352 A GB370352 A GB 370352A GB 32968/31 A GB32968/31 A GB 32968/31A GB 3296831 A GB3296831 A GB 3296831A GB 370352 A GB370352 A GB 370352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- armature
- stylus
- nov
- spring
- 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
- 241001422033 Thestylus Species 0.000 abstract 2
- 238000013016 damping Methods 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- 230000000284 resting effect Effects 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
- Impact Printers (AREA)
Abstract
370,352. Gramophone pick - ups. STEATIT-MAGNESIA AKT.- GES., 18, Breite Strasse, Pankow, Berlin. Nov. 27, 1931, No. 32968. Convention date, Nov. 28, 1930. [Class 40 (ii).] An electric pick-up in which the stylus is held on the armature socket by spring action has a blade spring 3 attached to the casing 5 at its upper end and extending through the bottom of the casing to furnish a finger grip 8 opposite to a projection 13 integral with or attached to the casing. A pin 6 fixed to the spring extends through an apertured sleeve 17 on the armature to engage the stylus 9 and can be drawn back by gripping the parts 8, 13. The armature 10 has a conical projection 16 resting on a bearing 11 .and extends between the magnets 2 to be engaged by damping members 14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE370352X | 1930-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB370352A true GB370352A (en) | 1932-04-07 |
Family
ID=6320313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32968/31A Expired GB370352A (en) | 1930-11-28 | 1931-11-27 | Improvements in or relating to apparatus for the recording or reproduction of sound |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB370352A (en) |
-
1931
- 1931-11-27 GB GB32968/31A patent/GB370352A/en not_active Expired
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