JPS5739324A - Spectrophotometer - Google Patents

Spectrophotometer

Info

Publication number
JPS5739324A
JPS5739324A JP11505580A JP11505580A JPS5739324A JP S5739324 A JPS5739324 A JP S5739324A JP 11505580 A JP11505580 A JP 11505580A JP 11505580 A JP11505580 A JP 11505580A JP S5739324 A JPS5739324 A JP S5739324A
Authority
JP
Japan
Prior art keywords
holder
filters
accuracy
measurement
filter
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
JP11505580A
Other languages
Japanese (ja)
Inventor
Fumio Mori
Morihito Inoue
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11505580A priority Critical patent/JPS5739324A/en
Publication of JPS5739324A publication Critical patent/JPS5739324A/en
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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

PURPOSE:To improve the accuracy of measurement by inserting a holder holding plural kinds of filters into an optical path, detecting transmitted light and stopping the holder in the position where the value thereof becomes a peak value. CONSTITUTION:The shaft O at the center of a holder 1 holding plural kinds of filters providing a circular shape is rotated by a driver 9. The white light of a light source 2 is made to parallel beams of light by a lens 3, and these parallel beams pass through a filter Fn, are condensed at a cell 5 contg. a sample by a lens 4, and are outputted via a detecting part 6 and an amplifier 7 to a peak detecting circuit 8. When the peak value is detected, a driving circuit 10 stops the driver 9. With one of the filters F1-Fn of the holder 1 as a reference, the filter of which place therefrom is assigned, and the holder is so controlled as to be stopped by counting the number of the peaks appearing. Thereby, the filter is stopped accurately and the accuracy of measurement is improved. Particularly the costly filters used for analysis in medical fields are made to minimum required sizes and the accuracy of measurement is maintained; therefore this is suitable.
JP11505580A 1980-08-21 1980-08-21 Spectrophotometer Pending JPS5739324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11505580A JPS5739324A (en) 1980-08-21 1980-08-21 Spectrophotometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11505580A JPS5739324A (en) 1980-08-21 1980-08-21 Spectrophotometer

Publications (1)

Publication Number Publication Date
JPS5739324A true JPS5739324A (en) 1982-03-04

Family

ID=14653052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11505580A Pending JPS5739324A (en) 1980-08-21 1980-08-21 Spectrophotometer

Country Status (1)

Country Link
JP (1) JPS5739324A (en)

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