GB660741A - Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments - Google Patents

Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments

Info

Publication number
GB660741A
GB660741A GB2088349A GB2088349A GB660741A GB 660741 A GB660741 A GB 660741A GB 2088349 A GB2088349 A GB 2088349A GB 2088349 A GB2088349 A GB 2088349A GB 660741 A GB660741 A GB 660741A
Authority
GB
United Kingdom
Prior art keywords
musical instruments
pianos
relating
sound reproduction
reproduction devices
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
Application number
GB2088349A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FRANK THOMAS COOPER
Original Assignee
FRANK THOMAS COOPER
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FRANK THOMAS COOPER filed Critical FRANK THOMAS COOPER
Priority to GB2088349A priority Critical patent/GB660741A/en
Publication of GB660741A publication Critical patent/GB660741A/en
Expired legal-status Critical Current

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
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument

Abstract

660,741. Musical instruments. COOPER, F. T. Aug. 11, 1949. No. 20883/49. Class 88 (ii). A pick-up device for detecting the vibrations of ferro-magnetic reeds, strings or sound pieces of musical instruments comprises two parallel iron bars A with several small magnets clamped between them and surrounded by a coil D. The string or reed is arranged perpendicular to and close to the long edges of the bars so that its vibration changes the magnetic flux in the coil to produce an e.m.f. therein for amplification and feeding to a loudspeaker. A pick-up so constructed is sufficiently compact to mount within a normal piano.
GB2088349A 1949-08-11 1949-08-11 Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments Expired GB660741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2088349A GB660741A (en) 1949-08-11 1949-08-11 Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2088349A GB660741A (en) 1949-08-11 1949-08-11 Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments

Publications (1)

Publication Number Publication Date
GB660741A true GB660741A (en) 1951-11-14

Family

ID=10153361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2088349A Expired GB660741A (en) 1949-08-11 1949-08-11 Improvements in or relating to electrical sound reproduction devices for use on pianos and other musical instruments

Country Status (1)

Country Link
GB (1) GB660741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035472A (en) * 1960-02-01 1962-05-22 Quilla H Freeman Stringed musical instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035472A (en) * 1960-02-01 1962-05-22 Quilla H Freeman Stringed musical instrument

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