GB390213A - Improvements in and connected with keys and keyboards or manuals of musical instruments - Google Patents

Improvements in and connected with keys and keyboards or manuals of musical instruments

Info

Publication number
GB390213A
GB390213A GB2751831A GB2751831A GB390213A GB 390213 A GB390213 A GB 390213A GB 2751831 A GB2751831 A GB 2751831A GB 2751831 A GB2751831 A GB 2751831A GB 390213 A GB390213 A GB 390213A
Authority
GB
United Kingdom
Prior art keywords
keys
key
contact
manuals
keyboards
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
GB2751831A
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.)
ALBERT HENRY SYMONDSON
J W Walker & Sons Ltd
Original Assignee
ALBERT HENRY SYMONDSON
J W Walker & Sons Ltd
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 ALBERT HENRY SYMONDSON, J W Walker & Sons Ltd filed Critical ALBERT HENRY SYMONDSON
Priority to GB2751831A priority Critical patent/GB390213A/en
Publication of GB390213A publication Critical patent/GB390213A/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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Push-Button Switches (AREA)

Abstract

390,213. Magnetic switches. WALKER & SONS, Ltd., J. W., Francis Works, Southfield Road, Acton, London, and SYMONDSON, A. H., 69, Jersey Road, Osterley, Hounslow, Middlesex. Oct. 3, 1931, No. 27518. [Class 38 (v).] Organ &c. keys may operate their contacts magnetically. The key contacts o, n may be enclosed in a case m with glass top q. The spring contact o carries an armature p and is normally held out of contact with contact n by magnet b<1> on key a, being allowed to close on depression of the key.
GB2751831A 1931-10-03 1931-10-03 Improvements in and connected with keys and keyboards or manuals of musical instruments Expired GB390213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2751831A GB390213A (en) 1931-10-03 1931-10-03 Improvements in and connected with keys and keyboards or manuals of musical instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2751831A GB390213A (en) 1931-10-03 1931-10-03 Improvements in and connected with keys and keyboards or manuals of musical instruments

Publications (1)

Publication Number Publication Date
GB390213A true GB390213A (en) 1933-04-03

Family

ID=10260878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2751831A Expired GB390213A (en) 1931-10-03 1931-10-03 Improvements in and connected with keys and keyboards or manuals of musical instruments

Country Status (1)

Country Link
GB (1) GB390213A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976756A (en) * 1957-10-22 1961-03-28 Schwarzbaur Julins Magnetic control means for piano dampers
US3058168A (en) * 1958-01-08 1962-10-16 Laroche Leon Claude Carding clothing
DE1162668B (en) * 1958-12-15 1964-02-06 Albert Sluyter Keyboard for a musical instrument
US3408448A (en) * 1965-05-24 1968-10-29 Wurlitzer Co Magnetic keying for electronic organs
US3680426A (en) * 1971-07-02 1972-08-01 Earl E Fry Piano keyboard with magnetic key control
FR2638010A1 (en) * 1988-10-13 1990-04-20 Acroe MODULAR RETROACTIVE KEYBOARD AND FLAT MODULAR ACTUATOR
FR2638273A1 (en) * 1988-10-13 1990-04-27 Acroe Assembly of flat linear actuating modules

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976756A (en) * 1957-10-22 1961-03-28 Schwarzbaur Julins Magnetic control means for piano dampers
US3058168A (en) * 1958-01-08 1962-10-16 Laroche Leon Claude Carding clothing
DE1162668B (en) * 1958-12-15 1964-02-06 Albert Sluyter Keyboard for a musical instrument
US3408448A (en) * 1965-05-24 1968-10-29 Wurlitzer Co Magnetic keying for electronic organs
US3680426A (en) * 1971-07-02 1972-08-01 Earl E Fry Piano keyboard with magnetic key control
FR2638010A1 (en) * 1988-10-13 1990-04-20 Acroe MODULAR RETROACTIVE KEYBOARD AND FLAT MODULAR ACTUATOR
EP0365441A1 (en) * 1988-10-13 1990-04-25 Ministere De La Culture, De La Communication, Des Grands Travaux Et Du Bicentenaire Retroactive modular keyboard and flat modular activator
FR2638273A1 (en) * 1988-10-13 1990-04-27 Acroe Assembly of flat linear actuating modules

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