DE2220204A1 - - Google Patents

Info

Publication number
DE2220204A1
DE2220204A1 DE19722220204 DE2220204A DE2220204A1 DE 2220204 A1 DE2220204 A1 DE 2220204A1 DE 19722220204 DE19722220204 DE 19722220204 DE 2220204 A DE2220204 A DE 2220204A DE 2220204 A1 DE2220204 A1 DE 2220204A1
Authority
DE
Germany
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.)
Granted
Application number
DE19722220204
Other versions
DE2220204B1 (de
DE2220204C2 (de
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 filed Critical
Priority to DE2220204A priority Critical patent/DE2220204C2/de
Priority to NL7305314A priority patent/NL7305314A/xx
Priority to CH584973A priority patent/CH554537A/de
Priority to US00353966A priority patent/US3843265A/en
Priority to GB1923073A priority patent/GB1431097A/en
Priority to JP48048385A priority patent/JPS5054394A/ja
Publication of DE2220204B1 publication Critical patent/DE2220204B1/de
Publication of DE2220204A1 publication Critical patent/DE2220204A1/de
Application granted granted Critical
Publication of DE2220204C2 publication Critical patent/DE2220204C2/de
Expired 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
DE2220204A 1972-04-25 1972-04-25 Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette Expired DE2220204C2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE2220204A DE2220204C2 (de) 1972-04-25 1972-04-25 Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette
NL7305314A NL7305314A (de) 1972-04-25 1973-04-16
CH584973A CH554537A (de) 1972-04-25 1973-04-19 Vorrichtung zur digitalen anzeige der konzentration einer messprobe in einer kuevette.
US00353966A US3843265A (en) 1972-04-25 1973-04-24 Photometer for digital indication of concentration
GB1923073A GB1431097A (en) 1972-04-25 1973-04-24 Photometers
JP48048385A JPS5054394A (de) 1972-04-25 1973-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2220204A DE2220204C2 (de) 1972-04-25 1972-04-25 Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette

Publications (3)

Publication Number Publication Date
DE2220204B1 DE2220204B1 (de) 1973-10-18
DE2220204A1 true DE2220204A1 (de) 1973-10-18
DE2220204C2 DE2220204C2 (de) 1974-05-16

Family

ID=5843193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2220204A Expired DE2220204C2 (de) 1972-04-25 1972-04-25 Photometer zur digitalen Anzeige der Konzentration einer Meßprobe in einer Küvette

Country Status (6)

Country Link
US (1) US3843265A (de)
JP (1) JPS5054394A (de)
CH (1) CH554537A (de)
DE (1) DE2220204C2 (de)
GB (1) GB1431097A (de)
NL (1) NL7305314A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226021B2 (de) * 1973-07-28 1987-06-05 Oki Denki Kogyo Kk
JPS5045629A (de) * 1973-08-24 1975-04-23
US4191459A (en) * 1973-08-24 1980-03-04 Seiko Koki Kabushiki Kaisha Digital camera shutter control circuit having memory read-out/shutter opening synchronization
JPS5631572B2 (de) * 1973-08-24 1981-07-22
CH568564A5 (de) * 1974-06-10 1975-10-31 Killer W Dr Ag
US4015121A (en) * 1974-07-11 1977-03-29 Allca Instruments Co. Ltd. Catalsimeter with time measuring circuitry for determining reactant concentration level
JPS5160240U (de) * 1974-11-05 1976-05-12
US3992113A (en) * 1974-11-20 1976-11-16 Bruno Egli Photometer circuitry for the digital indication of the light absorption of a test sample
US3972626A (en) * 1975-06-17 1976-08-03 General Electric Company Autoranging digital luxmeter
CH593483A5 (de) * 1976-05-04 1977-12-15 Pignons Sa
FR2358645A1 (fr) * 1976-07-13 1978-02-10 Centre Nat Etd Spatiales Procede et dispositif pour la mesure et l'enregistrement de l'energie solaire recue en un lieu
JPS5856107B2 (ja) * 1976-09-25 1983-12-13 オリンパス光学工業株式会社 定量化顕微鏡
FR2448145A2 (fr) * 1979-02-05 1980-08-29 Oreal Appareil destine a reperer la quantite de sebum secretee par une peau
US4397552A (en) * 1980-10-31 1983-08-09 The United States Of America As Represented By The Department Of Health & Human Services Instrument for measurement of exposure from a laser radiation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4848386A (de) * 1971-09-07 1973-07-09

Also Published As

Publication number Publication date
DE2220204B1 (de) 1973-10-18
DE2220204C2 (de) 1974-05-16
CH554537A (de) 1974-09-30
US3843265A (en) 1974-10-22
JPS5054394A (de) 1975-05-14
GB1431097A (en) 1976-04-07
NL7305314A (de) 1973-10-29

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee