GB1514496A - Analogue to digital to analogue storage and retrieval for a plurality of photometric blanking values - Google Patents

Analogue to digital to analogue storage and retrieval for a plurality of photometric blanking values

Info

Publication number
GB1514496A
GB1514496A GB4234675A GB4234675A GB1514496A GB 1514496 A GB1514496 A GB 1514496A GB 4234675 A GB4234675 A GB 4234675A GB 4234675 A GB4234675 A GB 4234675A GB 1514496 A GB1514496 A GB 1514496A
Authority
GB
United Kingdom
Prior art keywords
converter
value
test
aliquots
digital
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
GB4234675A
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.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics Inc
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
Priority claimed from US05/515,446 external-priority patent/US3970392A/en
Application filed by Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of GB1514496A publication Critical patent/GB1514496A/en
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
    • G01N21/251—Colorimeters; Construction thereof
    • G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Spectrometry And Color Measurement (AREA)
GB4234675A 1974-10-17 1975-10-15 Analogue to digital to analogue storage and retrieval for a plurality of photometric blanking values Expired GB1514496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/515,446 US3970392A (en) 1973-07-27 1974-10-17 Analog to digital to analog storage and retrieval for a plurality of photometric blanking values

Publications (1)

Publication Number Publication Date
GB1514496A true GB1514496A (en) 1978-06-14

Family

ID=24051380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4234675A Expired GB1514496A (en) 1974-10-17 1975-10-15 Analogue to digital to analogue storage and retrieval for a plurality of photometric blanking values

Country Status (4)

Country Link
JP (1) JPS5194999A (US20100223739A1-20100909-C00005.png)
DE (1) DE2546234A1 (US20100223739A1-20100909-C00005.png)
FR (1) FR2331206A1 (US20100223739A1-20100909-C00005.png)
GB (1) GB1514496A (US20100223739A1-20100909-C00005.png)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512163A (en) * 1966-02-23 1970-05-12 Technicon Corp Apparatus for determining the density of flowing samples including a primary and secondary recorder

Also Published As

Publication number Publication date
DE2546234A1 (de) 1976-05-13
FR2331206A1 (fr) 1977-06-03
FR2331206B1 (US20100223739A1-20100909-C00005.png) 1978-10-06
JPS5194999A (en) 1976-08-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee