JPS50122652A - - Google Patents

Info

Publication number
JPS50122652A
JPS50122652A JP2981274A JP2981274A JPS50122652A JP S50122652 A JPS50122652 A JP S50122652A JP 2981274 A JP2981274 A JP 2981274A JP 2981274 A JP2981274 A JP 2981274A JP S50122652 A JPS50122652 A JP S50122652A
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.)
Granted
Application number
JP2981274A
Other languages
Japanese (ja)
Other versions
JPS5737829B2 (en:Method
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
Priority to JP2981274A priority Critical patent/JPS5737829B2/ja
Publication of JPS50122652A publication Critical patent/JPS50122652A/ja
Publication of JPS5737829B2 publication Critical patent/JPS5737829B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP2981274A 1974-03-15 1974-03-15 Expired JPS5737829B2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2981274A JPS5737829B2 (en:Method) 1974-03-15 1974-03-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2981274A JPS5737829B2 (en:Method) 1974-03-15 1974-03-15

Publications (2)

Publication Number Publication Date
JPS50122652A true JPS50122652A (en:Method) 1975-09-26
JPS5737829B2 JPS5737829B2 (en:Method) 1982-08-12

Family

ID=12286420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2981274A Expired JPS5737829B2 (en:Method) 1974-03-15 1974-03-15

Country Status (1)

Country Link
JP (1) JPS5737829B2 (en:Method)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211026A (en) * 1975-07-16 1977-01-27 Nippon Gakki Seizo Kk Optical detection system of depressed keys

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211026A (en) * 1975-07-16 1977-01-27 Nippon Gakki Seizo Kk Optical detection system of depressed keys

Also Published As

Publication number Publication date
JPS5737829B2 (en:Method) 1982-08-12

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