GB489956A - Improvements in or relating to sound reproducing apparatus - Google Patents
Improvements in or relating to sound reproducing apparatusInfo
- Publication number
- GB489956A GB489956A GB3565/37A GB356537A GB489956A GB 489956 A GB489956 A GB 489956A GB 3565/37 A GB3565/37 A GB 3565/37A GB 356537 A GB356537 A GB 356537A GB 489956 A GB489956 A GB 489956A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reproducing apparatus
- sound reproducing
- relating
- sound
- feb
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
489,956. Optical sound reproducing apparatus. BAUER GES., E. Feb. 6, 1937, No. 3565. Convention date, Feb. 8, 1936. [Class 40 (ii)] A brush and contact device g, e, is provided between the shaft b of a sound scanning roller a and the casing h of the apparatus to lead away any electrostatic charges tending to form on the roller, the accumulation of which might disturb the sound reproduction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE489956X | 1936-02-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB489956A true GB489956A (en) | 1938-08-08 |
Family
ID=6544035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3565/37A Expired GB489956A (en) | 1936-02-08 | 1937-02-06 | Improvements in or relating to sound reproducing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB489956A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2166586A (en) * | 1984-10-29 | 1986-05-08 | Priam Corp | Grounding arrangement for head disk assembly |
-
1937
- 1937-02-06 GB GB3565/37A patent/GB489956A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2166586A (en) * | 1984-10-29 | 1986-05-08 | Priam Corp | Grounding arrangement for head disk assembly |
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