JPS5412880A - Optical discrimination method - Google Patents

Optical discrimination method

Info

Publication number
JPS5412880A
JPS5412880A JP7723277A JP7723277A JPS5412880A JP S5412880 A JPS5412880 A JP S5412880A JP 7723277 A JP7723277 A JP 7723277A JP 7723277 A JP7723277 A JP 7723277A JP S5412880 A JPS5412880 A JP S5412880A
Authority
JP
Japan
Prior art keywords
discrimination method
optical discrimination
optical
discrimination
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.)
Pending
Application number
JP7723277A
Other languages
Japanese (ja)
Inventor
Yoshinobu Kimura
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.)
Gakken Holdings Co Ltd
Original Assignee
Gakken 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 Gakken Co Ltd filed Critical Gakken Co Ltd
Priority to JP7723277A priority Critical patent/JPS5412880A/en
Publication of JPS5412880A publication Critical patent/JPS5412880A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Spectrometry And Color Measurement (AREA)
JP7723277A 1977-06-30 1977-06-30 Optical discrimination method Pending JPS5412880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7723277A JPS5412880A (en) 1977-06-30 1977-06-30 Optical discrimination method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7723277A JPS5412880A (en) 1977-06-30 1977-06-30 Optical discrimination method

Publications (1)

Publication Number Publication Date
JPS5412880A true JPS5412880A (en) 1979-01-30

Family

ID=13628107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7723277A Pending JPS5412880A (en) 1977-06-30 1977-06-30 Optical discrimination method

Country Status (1)

Country Link
JP (1) JPS5412880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59500147A (en) * 1982-02-10 1984-01-26 プライス／スタ−ン／スロ−ン　パブリシヤ−ズ，インコ−ポレ−テツド learning or entertainment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59500147A (en) * 1982-02-10 1984-01-26 プライス／スタ−ン／スロ−ン　パブリシヤ−ズ，インコ−ポレ−テツド learning or entertainment device

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