JPS53131023A - Key board circuit - Google Patents

Key board circuit

Info

Publication number
JPS53131023A
JPS53131023A JP4628977A JP4628977A JPS53131023A JP S53131023 A JPS53131023 A JP S53131023A JP 4628977 A JP4628977 A JP 4628977A JP 4628977 A JP4628977 A JP 4628977A JP S53131023 A JPS53131023 A JP S53131023A
Authority
JP
Japan
Prior art keywords
key board
board circuit
key
key switch
accomplishing
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.)
Granted
Application number
JP4628977A
Other languages
Japanese (ja)
Other versions
JPS5950994B2 (en
Inventor
Kinji Kawamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP52046289A priority Critical patent/JPS5950994B2/en
Publication of JPS53131023A publication Critical patent/JPS53131023A/en
Publication of JPS5950994B2 publication Critical patent/JPS5950994B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)

Abstract

PURPOSE: To commonly use a key switch so as to reduce the trouble by accomplishing the opening and closing operations of a sustain gate and generating a key voltage with the use of a key switch.
COPYRIGHT: (C)1978,JPO&Japio
JP52046289A 1977-04-20 1977-04-20 keyboard circuit Expired JPS5950994B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52046289A JPS5950994B2 (en) 1977-04-20 1977-04-20 keyboard circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52046289A JPS5950994B2 (en) 1977-04-20 1977-04-20 keyboard circuit

Publications (2)

Publication Number Publication Date
JPS53131023A true JPS53131023A (en) 1978-11-15
JPS5950994B2 JPS5950994B2 (en) 1984-12-11

Family

ID=12743045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52046289A Expired JPS5950994B2 (en) 1977-04-20 1977-04-20 keyboard circuit

Country Status (1)

Country Link
JP (1) JPS5950994B2 (en)

Also Published As

Publication number Publication date
JPS5950994B2 (en) 1984-12-11

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