JPS5223324A - Key coder - Google Patents

Key coder

Info

Publication number
JPS5223324A
JPS5223324A JP50099152A JP9915275A JPS5223324A JP S5223324 A JPS5223324 A JP S5223324A JP 50099152 A JP50099152 A JP 50099152A JP 9915275 A JP9915275 A JP 9915275A JP S5223324 A JPS5223324 A JP S5223324A
Authority
JP
Japan
Prior art keywords
key
key coder
coder
switches
closed
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
JP50099152A
Other languages
English (en)
Japanese (ja)
Other versions
JPS573948B2 (enExample
Inventor
Toshio Tomizawa
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP50099152A priority Critical patent/JPS5223324A/ja
Priority to GB32940/76A priority patent/GB1555979A/en
Priority to US05/712,815 priority patent/US4148017A/en
Priority to CA258,932A priority patent/CA1086539A/en
Priority to DE2636281A priority patent/DE2636281C2/de
Priority to IT26291/76A priority patent/IT1083954B/it
Priority to NL7609031A priority patent/NL7609031A/xx
Publication of JPS5223324A publication Critical patent/JPS5223324A/ja
Priority to US06/076,319 priority patent/USRE32069E/en
Priority to CA358,207A priority patent/CA1098740A/en
Publication of JPS573948B2 publication Critical patent/JPS573948B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)
JP50099152A 1975-08-15 1975-08-15 Key coder Granted JPS5223324A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP50099152A JPS5223324A (en) 1975-08-15 1975-08-15 Key coder
GB32940/76A GB1555979A (en) 1975-08-15 1976-08-06 Device for detecting a key switch operation
US05/712,815 US4148017A (en) 1975-08-15 1976-08-09 Device for detecting a key switch operation
CA258,932A CA1086539A (en) 1975-08-15 1976-08-12 Device for detecting a key switch operation
DE2636281A DE2636281C2 (de) 1975-08-15 1976-08-12 Einrichtung zur Identifizierung betätigter Tastenschalter aus einer Vielzahl von Tastenschaltern
IT26291/76A IT1083954B (it) 1975-08-15 1976-08-13 Dispositivo per rivelare l'azionamento di interruttori relativi a tasti
NL7609031A NL7609031A (nl) 1975-08-15 1976-08-13 Inrichting voor het detecteren van de werking van toetsschakelaars.
US06/076,319 USRE32069E (en) 1975-08-15 1979-09-17 Device for detecting a key switch operation
CA358,207A CA1098740A (en) 1975-08-15 1980-08-13 Device for detecting a key switch operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50099152A JPS5223324A (en) 1975-08-15 1975-08-15 Key coder

Publications (2)

Publication Number Publication Date
JPS5223324A true JPS5223324A (en) 1977-02-22
JPS573948B2 JPS573948B2 (enExample) 1982-01-23

Family

ID=14239704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50099152A Granted JPS5223324A (en) 1975-08-15 1975-08-15 Key coder

Country Status (1)

Country Link
JP (1) JPS5223324A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54157616A (en) * 1978-06-01 1979-12-12 Nippon Gakki Seizo Kk Electronic musical instrument

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871624A (enExample) * 1971-12-28 1973-09-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871624A (enExample) * 1971-12-28 1973-09-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54157616A (en) * 1978-06-01 1979-12-12 Nippon Gakki Seizo Kk Electronic musical instrument

Also Published As

Publication number Publication date
JPS573948B2 (enExample) 1982-01-23

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