IT7950072A0 - Perfezionamento nelle tastiere di organi elettronici in miniatura - Google Patents

Perfezionamento nelle tastiere di organi elettronici in miniatura

Info

Publication number
IT7950072A0
IT7950072A0 IT7950072A IT5007279A IT7950072A0 IT 7950072 A0 IT7950072 A0 IT 7950072A0 IT 7950072 A IT7950072 A IT 7950072A IT 5007279 A IT5007279 A IT 5007279A IT 7950072 A0 IT7950072 A0 IT 7950072A0
Authority
IT
Italy
Prior art keywords
keyboards
improvement
miniature electronic
electronic organs
organs
Prior art date
Application number
IT7950072A
Other languages
English (en)
Other versions
IT1120528B (it
Original Assignee
Fung Cheung King Esercente Il
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 Fung Cheung King Esercente Il filed Critical Fung Cheung King Esercente Il
Publication of IT7950072A0 publication Critical patent/IT7950072A0/it
Application granted granted Critical
Publication of IT1120528B publication Critical patent/IT1120528B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/785—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • 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
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/055—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by switches with variable impedance elements
    • G10H1/0558—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by switches with variable impedance elements using variable resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/026—Material non precious
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/032—Metal foil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/072—Paper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/004—Larger or different actuating area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/018—Musical instrument
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/026—Internal encoding, e.g. validity bit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
IT50072/79A 1978-08-23 1979-08-21 Perfezionamento nelle tastiere di organi elettronici in miniatura IT1120528B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7834242 1978-08-23
GB7841863A GB2029073A (en) 1978-08-23 1978-10-25 Electronic organs

Publications (2)

Publication Number Publication Date
IT7950072A0 true IT7950072A0 (it) 1979-08-21
IT1120528B IT1120528B (it) 1986-03-26

Family

ID=26268636

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50072/79A IT1120528B (it) 1978-08-23 1979-08-21 Perfezionamento nelle tastiere di organi elettronici in miniatura

Country Status (3)

Country Link
DE (1) DE2934182A1 (it)
GB (1) GB2029073A (it)
IT (1) IT1120528B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151379A (en) * 1983-12-13 1985-07-17 Stephen Harold Alsop Key pad
JPS61239299A (ja) * 1985-04-16 1986-10-24 ヤマハ株式会社 電子打楽器
US4965421A (en) * 1985-09-26 1990-10-23 John Fluke Mfg. Co., Inc. Particulate spacers for touch sensitive overlay panel applications
CN1010143B (zh) * 1985-09-26 1990-10-24 约翰弗兰克制造公司 供触敏涂覆层使用的粒子垫片
GB8614199D0 (en) * 1986-06-11 1986-07-16 Salplex Ltd Information handling & control systems
US5033351A (en) * 1988-04-25 1991-07-23 Casio Computer Co., Ltd. Fingerboard and neck for electronic musical instrument
US4914416A (en) * 1988-09-01 1990-04-03 Takahiro Kunikane Pressure sensing electric conductor and its manufacturing method

Also Published As

Publication number Publication date
DE2934182A1 (de) 1980-03-20
GB2029073A (en) 1980-03-12
IT1120528B (it) 1986-03-26

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