JPS5250776A - Self-recording spectrophotometer - Google Patents

Self-recording spectrophotometer

Info

Publication number
JPS5250776A
JPS5250776A JP12639975A JP12639975A JPS5250776A JP S5250776 A JPS5250776 A JP S5250776A JP 12639975 A JP12639975 A JP 12639975A JP 12639975 A JP12639975 A JP 12639975A JP S5250776 A JPS5250776 A JP S5250776A
Authority
JP
Japan
Prior art keywords
self
recording spectrophotometer
attenuator
impeller
expansion
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
JP12639975A
Other languages
English (en)
Inventor
Tsutomu Kuwana
Shunji Matsudaira
Makoto Ishikawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12639975A priority Critical patent/JPS5250776A/ja
Publication of JPS5250776A publication Critical patent/JPS5250776A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
JP12639975A 1975-10-22 1975-10-22 Self-recording spectrophotometer Pending JPS5250776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12639975A JPS5250776A (en) 1975-10-22 1975-10-22 Self-recording spectrophotometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12639975A JPS5250776A (en) 1975-10-22 1975-10-22 Self-recording spectrophotometer

Publications (1)

Publication Number Publication Date
JPS5250776A true JPS5250776A (en) 1977-04-23

Family

ID=14934178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12639975A Pending JPS5250776A (en) 1975-10-22 1975-10-22 Self-recording spectrophotometer

Country Status (1)

Country Link
JP (1) JPS5250776A (ja)

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