CA981070A - Musical instrument keying assembly - Google Patents

Musical instrument keying assembly

Info

Publication number
CA981070A
CA981070A CA157,478A CA157478A CA981070A CA 981070 A CA981070 A CA 981070A CA 157478 A CA157478 A CA 157478A CA 981070 A CA981070 A CA 981070A
Authority
CA
Canada
Prior art keywords
musical instrument
keying assembly
instrument keying
assembly
musical
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
CA157,478A
Other languages
English (en)
Other versions
CA157478S (en
Inventor
Carl S. Nelson (Jr.)
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.)
Opsonar Organ Corp
Original Assignee
Opsonar Organ Corp
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 Opsonar Organ Corp filed Critical Opsonar Organ Corp
Application granted granted Critical
Publication of CA981070A publication Critical patent/CA981070A/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
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
    • G10H2220/275—Switching mechanism or sensor details of individual keys, e.g. details of key contacts, hall effect or piezoelectric sensors used for key position or movement sensing purposes; Mounting thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/029—Composite material comprising conducting material dispersed in an elastic support or binding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/07—Electric key switch structure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Push-Button Switches (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Stringed Musical Instruments (AREA)
CA157,478A 1972-04-24 1972-11-24 Musical instrument keying assembly Expired CA981070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24705672A 1972-04-24 1972-04-24

Publications (1)

Publication Number Publication Date
CA981070A true CA981070A (en) 1976-01-06

Family

ID=22933372

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,478A Expired CA981070A (en) 1972-04-24 1972-11-24 Musical instrument keying assembly

Country Status (6)

Country Link
US (1) US3769869A (de)
JP (1) JPS4955318A (de)
CA (1) CA981070A (de)
DE (2) DE2257553A1 (de)
GB (1) GB1367014A (de)
IT (1) IT975817B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941023A (en) * 1974-06-14 1976-03-02 The Wurlitzer Company Chord button assembly
US4153987A (en) * 1974-12-09 1979-05-15 Texas Instruments Incorporated Method for assembling keyboard
US3995128A (en) * 1975-01-10 1976-11-30 Texas Instruments Incorporated Pushbutton keyboard system having preformed recessed support with contacts mounted on face and in recesses
US4160400A (en) * 1975-09-29 1979-07-10 Marmon Company Touch responsive keying unit for electronic musical instruments
US4035593A (en) * 1975-10-09 1977-07-12 Northern Engraving Company, Inc. Flexible pressure sensitive switch actuator module adaptable to a keyboard surface having fixed contact array
US4365536A (en) * 1980-10-27 1982-12-28 Whirlpool Corporation Sliding actuator membrane switch for organ keyboard
US4373122A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
US4367385A (en) * 1981-01-26 1983-01-04 W. H. Brady Co. Capacitance switch
US4373124A (en) * 1981-01-26 1983-02-08 W. H. Brady Co. Capacitance switch
US4456800A (en) * 1983-05-25 1984-06-26 Allen-Bradley Company Planar contact array switch having improved ground path for dissipating electrostatic discharges
US4678880A (en) * 1984-04-18 1987-07-07 Omron Tateisi Electronics Co. Keyboard switch
JPS625437U (de) * 1985-06-24 1987-01-13
US4843197A (en) * 1986-10-31 1989-06-27 Idec Izumi Corporation Bush switch and method of production thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497661A (en) * 1948-06-10 1950-02-14 Gen Electric Electronic musical instrument
US2575230A (en) * 1948-07-03 1951-11-13 Baldwin Co Electrically noiseless progressive contact means
US2873637A (en) * 1954-03-26 1959-02-17 Rca Corp Touch control for polyphonic musical instruments
US2959693A (en) * 1955-12-30 1960-11-08 Baldwin Piano Co Key switching system for electrical musical instruments
US3041568A (en) * 1959-08-07 1962-06-26 Baldwin Piano Co Renewable switch construction
US3328507A (en) * 1963-06-28 1967-06-27 Richard H Peterson Electronic musical instrument
US3626350A (en) * 1969-02-20 1971-12-07 Nippon Musical Instruments Mfg Variable resistor device for electronic musical instruments capable of playing monophonic, chord and portamento performances with resilient contact strips
US3657459A (en) * 1970-11-02 1972-04-18 Mattel Inc Musical instrument with variable amplitude
US3694559A (en) * 1970-11-04 1972-09-26 Nippon Musical Instruments Mfg Electronic musical instrument employing variable resistor fingerboards
US3643041A (en) * 1970-12-30 1972-02-15 Unidynamics Phoenix Pushbutton diaphragm switch with improved dimple actuator and/or capacitance-type switch contact structure
US3668337A (en) * 1971-01-18 1972-06-06 Thomas & Betts Corp Matrix switch with improved flexible insulative spacer arrangement
US3657460A (en) * 1971-01-22 1972-04-18 Mattel Inc Organ keyboard switching system
US3715447A (en) * 1971-05-13 1973-02-06 Nippon Musical Instruments Mfg Electronic musical instrument with a keyboard device capable of producing special musical effects upon key depression

Also Published As

Publication number Publication date
JPS4955318A (de) 1974-05-29
DE2257553A1 (de) 1973-11-08
IT975817B (it) 1974-08-10
DE7243122U (de) 1973-05-24
US3769869A (en) 1973-11-06
GB1367014A (en) 1974-09-18

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