IT977624B - Apparecchio per convertire un segnale lineare o un rapporto di segnali lineari in un segnale logaritmico - Google Patents

Apparecchio per convertire un segnale lineare o un rapporto di segnali lineari in un segnale logaritmico

Info

Publication number
IT977624B
IT977624B IT67076/73A IT6707673A IT977624B IT 977624 B IT977624 B IT 977624B IT 67076/73 A IT67076/73 A IT 67076/73A IT 6707673 A IT6707673 A IT 6707673A IT 977624 B IT977624 B IT 977624B
Authority
IT
Italy
Prior art keywords
signal
linear
converting
ratio
logarithm
Prior art date
Application number
IT67076/73A
Other languages
English (en)
Original Assignee
Micromedic Systems 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
Application filed by Micromedic Systems Inc filed Critical Micromedic Systems Inc
Application granted granted Critical
Publication of IT977624B publication Critical patent/IT977624B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Computer Hardware Design (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Software Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
IT67076/73A 1972-01-19 1973-01-18 Apparecchio per convertire un segnale lineare o un rapporto di segnali lineari in un segnale logaritmico IT977624B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21897772A 1972-01-19 1972-01-19

Publications (1)

Publication Number Publication Date
IT977624B true IT977624B (it) 1974-09-20

Family

ID=22817274

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67076/73A IT977624B (it) 1972-01-19 1973-01-18 Apparecchio per convertire un segnale lineare o un rapporto di segnali lineari in un segnale logaritmico

Country Status (5)

Country Link
JP (1) JPS4882896A (it)
DE (1) DE2303331A1 (it)
FR (1) FR2174553A5 (it)
IT (1) IT977624B (it)
NL (1) NL7300733A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852514Y2 (ja) * 1976-05-24 1983-11-30 光明理化学工業株式会社 ガス濃度連続監視装置
JPS6016567B2 (ja) * 1978-03-07 1985-04-26 ミノルタ株式会社 光学的測定装置

Also Published As

Publication number Publication date
DE2303331A1 (de) 1973-07-26
NL7300733A (it) 1973-07-23
FR2174553A5 (it) 1973-10-12
JPS4882896A (it) 1973-11-06

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