JPS4955318A - - Google Patents

Info

Publication number
JPS4955318A
JPS4955318A JP47116274A JP11627472A JPS4955318A JP S4955318 A JPS4955318 A JP S4955318A JP 47116274 A JP47116274 A JP 47116274A JP 11627472 A JP11627472 A JP 11627472A JP S4955318 A JPS4955318 A JP S4955318A
Authority
JP
Japan
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.)
Pending
Application number
JP47116274A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4955318A publication Critical patent/JPS4955318A/ja
Pending 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
JP47116274A 1972-04-24 1972-11-21 Pending JPS4955318A (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
JPS4955318A true JPS4955318A (en) 1974-05-29

Family

ID=22933372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47116274A Pending JPS4955318A (en) 1972-04-24 1972-11-21

Country Status (6)

Country Link
US (1) US3769869A (en)
JP (1) JPS4955318A (en)
CA (1) CA981070A (en)
DE (2) DE7243122U (en)
GB (1) GB1367014A (en)
IT (1) IT975817B (en)

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
US4373124A (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
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 (en) * 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
DE7243122U (en) 1973-05-24
DE2257553A1 (en) 1973-11-08
GB1367014A (en) 1974-09-18
US3769869A (en) 1973-11-06
CA981070A (en) 1976-01-06
IT975817B (en) 1974-08-10

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