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GB1354407A - Keyboard type electronic musical instrument - Google Patents

Keyboard type electronic musical instrument

Info

Publication number
GB1354407A
GB1354407A GB1354407DA GB1354407A GB 1354407 A GB1354407 A GB 1354407A GB 1354407D A GB1354407D A GB 1354407DA GB 1354407 A GB1354407 A GB 1354407A
Authority
GB
United Kingdom
Prior art keywords
musical instrument
electronic musical
type electronic
keyboard type
produced
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
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.)
Keio Giken Kogyo KK
Original Assignee
Keio Giken Kogyo KK
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 Keio Giken Kogyo KK filed Critical Keio Giken Kogyo KK
Publication of GB1354407A publication Critical patent/GB1354407A/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
    • G10H1/18—Selecting circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

1354407 Electrophonic musical instruments KEIO GIKEN KOGIYO KK 14 July 1971 33066/71 Heading G5J An electronic musical instrument has a keyboard with twelve keys for one octave, each connected to a respective switch, the switches being connected at one end to a voltage controlled oscillator the amplified output of which is connected to a loud-speaker and at the other end via resistors to tappings on a resistor voltage divider. The resistor values are chosen such that the intervals between the notes produced by adjacent keys are semitones and upon depressing two adjacent keys simultaneously the intermediate quarter tone interval is produced.
GB1354407D 1971-07-14 1971-07-14 Keyboard type electronic musical instrument Expired GB1354407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3306671 1971-07-14

Publications (1)

Publication Number Publication Date
GB1354407A true GB1354407A (en) 1974-06-05

Family

ID=10348099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1354407D Expired GB1354407A (en) 1971-07-14 1971-07-14 Keyboard type electronic musical instrument

Country Status (1)

Country Link
GB (1) GB1354407A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee