GB343985A - Improvements in or relating to electrically operated musical instruments - Google Patents
Improvements in or relating to electrically operated musical instrumentsInfo
- Publication number
- GB343985A GB343985A GB319629A GB319629A GB343985A GB 343985 A GB343985 A GB 343985A GB 319629 A GB319629 A GB 319629A GB 319629 A GB319629 A GB 319629A GB 343985 A GB343985 A GB 343985A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electrically operated
- musical instruments
- operated musical
- cell
- 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
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/03—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires
- G10H3/06—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires using photoelectric pick-up means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
343,985. Light-sensitive cells. PRISNER, S., 1, Mowbray Road, Brondesbury. London. Nov. 30, 1929, No. 3196. [Class 40 (iii).] An elongated photoelectric cell 1, for use with transparent note-traces on a rotatable record 2 in a musical instrument, comprises a double glass tube 5, 7 the inner part 5 being coated with selenium 6 and the space between the parts 5, 7 being exhausted. The cell is connected at its ends to an amplifier energizing a loud-speaker, and is acted on by selected lamps 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB319629A GB343985A (en) | 1929-11-30 | 1929-11-30 | Improvements in or relating to electrically operated musical instruments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB319629A GB343985A (en) | 1929-11-30 | 1929-11-30 | Improvements in or relating to electrically operated musical instruments |
Publications (1)
Publication Number | Publication Date |
---|---|
GB343985A true GB343985A (en) | 1931-03-02 |
Family
ID=9753761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB319629A Expired GB343985A (en) | 1929-11-30 | 1929-11-30 | Improvements in or relating to electrically operated musical instruments |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB343985A (en) |
-
1929
- 1929-11-30 GB GB319629A patent/GB343985A/en not_active Expired
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