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METHOD AND APPARATUS FOR DETERMINING AT LEAST ONE UNKNOWN DATA OF A BIOLOGICAL FLUID

  • US 3,654,445 A
  • Filed: 01/08/1970
  • Issued: 04/04/1972
  • Est. Priority Date: 01/09/1969
  • Status: Expired due to Term
First Claim
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1. A method for determining at least one unknown data of a biological fluid of which correlated values of data that can be determined vary according to a substantially linear function, comprising the steps of determining a first and a second correlated set of values of said data, producing a first and a second correlated set of voltages corresponding to the two sets of correlated data and being analog therewith, producing a first and a second voltage both of which vary as a function of time and at one moment assume the value of said first set of analog voltages and at another moment assume the value of said second set of analog voltages, producing a third analog voltage which is relevant to the unknown data, comparing said third analog voltage with the first of said varying voltages, and reading out a value or a function of said third varying voltage when said first varying voltage becomes equal with the third analog voltage.

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