JPS5229273A - Signal component extraction apparatus by photoelectric conversion - Google Patents

Signal component extraction apparatus by photoelectric conversion

Info

Publication number
JPS5229273A
JPS5229273A JP10452575A JP10452575A JPS5229273A JP S5229273 A JPS5229273 A JP S5229273A JP 10452575 A JP10452575 A JP 10452575A JP 10452575 A JP10452575 A JP 10452575A JP S5229273 A JPS5229273 A JP S5229273A
Authority
JP
Japan
Prior art keywords
photoelectric conversion
signal component
extraction apparatus
component extraction
time
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
JP10452575A
Other languages
Japanese (ja)
Inventor
Tsunemi Gonda
Kiyoshi Kimoto
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.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
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 Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP10452575A priority Critical patent/JPS5229273A/en
Publication of JPS5229273A publication Critical patent/JPS5229273A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration

Abstract

PURPOSE:Noise component of an arbitrary short time is detected from light waves containing signal components, whereby signals drastically changing with time can be accurately extracted with a simple construction.
JP10452575A 1975-08-30 1975-08-30 Signal component extraction apparatus by photoelectric conversion Pending JPS5229273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10452575A JPS5229273A (en) 1975-08-30 1975-08-30 Signal component extraction apparatus by photoelectric conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10452575A JPS5229273A (en) 1975-08-30 1975-08-30 Signal component extraction apparatus by photoelectric conversion

Publications (1)

Publication Number Publication Date
JPS5229273A true JPS5229273A (en) 1977-03-04

Family

ID=14382896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10452575A Pending JPS5229273A (en) 1975-08-30 1975-08-30 Signal component extraction apparatus by photoelectric conversion

Country Status (1)

Country Link
JP (1) JPS5229273A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124930A (en) * 1982-01-19 1983-07-25 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Atomic absorption spectrophotometer
JPS59230534A (en) * 1983-06-13 1984-12-25 キヤノン株式会社 Ophthalmic automatic focusing apparatus
JPS6150230U (en) * 1984-09-05 1986-04-04
JP2018183252A (en) * 2017-04-24 2018-11-22 富士ゼロックス株式会社 Optical measurement apparatus for eyeball and optical measurement apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124930A (en) * 1982-01-19 1983-07-25 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Atomic absorption spectrophotometer
JPH0259945B2 (en) * 1982-01-19 1990-12-13 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS59230534A (en) * 1983-06-13 1984-12-25 キヤノン株式会社 Ophthalmic automatic focusing apparatus
JPS6251618B2 (en) * 1983-06-13 1987-10-30 Canon Kk
JPS6150230U (en) * 1984-09-05 1986-04-04
JP2018183252A (en) * 2017-04-24 2018-11-22 富士ゼロックス株式会社 Optical measurement apparatus for eyeball and optical measurement apparatus

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