GB120715A - Improvements in Sound Boxes for Sound Recording and Reproducing Machines. - Google Patents
Improvements in Sound Boxes for Sound Recording and Reproducing Machines.Info
- Publication number
- GB120715A GB120715A GB1300918A GB1300918A GB120715A GB 120715 A GB120715 A GB 120715A GB 1300918 A GB1300918 A GB 1300918A GB 1300918 A GB1300918 A GB 1300918A GB 120715 A GB120715 A GB 120715A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plate
- bar
- springs
- sound
- secured
- 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 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 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
- Portable Nailing Machines And Staplers (AREA)
- Treatment Of Fiber Materials (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US513096XA | 1917-11-12 | 1917-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB120715A true GB120715A (en) | 1919-03-13 |
Family
ID=21970489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1300918A Expired GB120715A (en) | 1917-11-12 | 1918-08-10 | Improvements in Sound Boxes for Sound Recording and Reproducing Machines. |
Country Status (3)
-
1918
- 1918-08-10 GB GB1300918A patent/GB120715A/en not_active Expired
-
1920
- 1920-03-31 DE DE1920333547D patent/DE333547C/de not_active Expired
- 1920-04-07 FR FR513096A patent/FR513096A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE333547C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1921-02-28 |
| FR513096A (fr) | 1921-02-07 |
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