GB1420785A - Photometers - Google Patents

Photometers

Info

Publication number
GB1420785A
GB1420785A GB2091173A GB2091173A GB1420785A GB 1420785 A GB1420785 A GB 1420785A GB 2091173 A GB2091173 A GB 2091173A GB 2091173 A GB2091173 A GB 2091173A GB 1420785 A GB1420785 A GB 1420785A
Authority
GB
United Kingdom
Prior art keywords
mirror
positions
drive system
current
attached
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.)
Expired
Application number
GB2091173A
Other languages
English (en)
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.)
Hoffmann K T
Original Assignee
Hoffmann K T
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 Hoffmann K T filed Critical Hoffmann K T
Publication of GB1420785A publication Critical patent/GB1420785A/en
Expired 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
    • G01J3/02—Details
    • G01J3/08—Beam switching arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB2091173A 1972-05-02 1973-05-02 Photometers Expired GB1420785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722221444 DE2221444A1 (de) 1972-05-02 1972-05-02 Zweistrahlenanordnung mit flatterspiegel insbesonders fuer remissionsphotometer fuer die farbmetrik

Publications (1)

Publication Number Publication Date
GB1420785A true GB1420785A (en) 1976-01-14

Family

ID=5843841

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2091173A Expired GB1420785A (en) 1972-05-02 1973-05-02 Photometers

Country Status (4)

Country Link
US (1) US3862804A (https=)
JP (1) JPS4955390A (https=)
DE (1) DE2221444A1 (https=)
GB (1) GB1420785A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283405A (en) * 1975-12-29 1977-07-12 Mitsubishi Monsanto Chem Co Elimination of monomers
ES2375386B1 (es) 2010-07-21 2012-09-27 Abengoa Solar New Technologies, S.A. Reflectómetro portátil y método de caracterización de espejos de centrales termosolares.
WO2013042690A1 (ja) * 2011-09-20 2013-03-28 オリンパス株式会社 光学測定装置および校正方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992588A (en) * 1958-02-03 1961-07-18 Beckman Instruments Inc Photometer reflectance unit
US3234844A (en) * 1961-06-14 1966-02-15 Infrared Ind Inc Torsionally driven scanning mirror
US3238368A (en) * 1963-03-04 1966-03-01 Mcpherson Instr Corp Absorption analysing apparatus with means for reflecting short wavelength ultraviolet radiation along measuring and reference optical paths
US3540825A (en) * 1968-01-18 1970-11-17 Mcpherson Instr Corp Double beam spectrometer readout system
US3749497A (en) * 1971-12-15 1973-07-31 S Kuzmin Double beam spectrophotometer

Also Published As

Publication number Publication date
JPS4955390A (https=) 1974-05-29
US3862804A (en) 1975-01-28
DE2221444A1 (de) 1973-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee