GB170311A - Improvements in phonographs - Google Patents
Improvements in phonographsInfo
- Publication number
- GB170311A GB170311A GB1031520A GB1031520A GB170311A GB 170311 A GB170311 A GB 170311A GB 1031520 A GB1031520 A GB 1031520A GB 1031520 A GB1031520 A GB 1031520A GB 170311 A GB170311 A GB 170311A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phonographs
- 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
-
- 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
- G11B3/02—Arrangements of heads
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
- G11B3/34—Driving or guiding during transducing operation
- G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1031520A GB170311A (en) | 1920-04-13 | 1920-04-13 | Improvements in phonographs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1031520A GB170311A (en) | 1920-04-13 | 1920-04-13 | Improvements in phonographs |
Publications (1)
Publication Number | Publication Date |
---|---|
GB170311A true GB170311A (en) | 1921-10-13 |
Family
ID=9965597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1031520A Expired GB170311A (en) | 1920-04-13 | 1920-04-13 | Improvements in phonographs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB170311A (en) |
-
1920
- 1920-04-13 GB GB1031520A patent/GB170311A/en not_active Expired
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