AT295875B - Einrichtung zur Untersetzung einer Eingangsimpulsfolge - Google Patents

Einrichtung zur Untersetzung einer Eingangsimpulsfolge

Info

Publication number
AT295875B
AT295875B AT48168A AT48168A AT295875B AT 295875 B AT295875 B AT 295875B AT 48168 A AT48168 A AT 48168A AT 48168 A AT48168 A AT 48168A AT 295875 B AT295875 B AT 295875B
Authority
AT
Austria
Prior art keywords
reducing
pulse train
input pulse
input
train
Prior art date
Application number
AT48168A
Other languages
English (en)
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Application granted granted Critical
Publication of AT295875B publication Critical patent/AT295875B/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
    • G01B9/02078—Caused by ambiguity
    • G01B9/02079—Quadrature detection, i.e. detecting relatively phase-shifted signals
    • G01B9/02081—Quadrature detection, i.e. detecting relatively phase-shifted signals simultaneous quadrature detection, e.g. by spatial phase shifting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
AT48168A 1967-02-08 1968-01-17 Einrichtung zur Untersetzung einer Eingangsimpulsfolge AT295875B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH189067A CH468750A (de) 1967-02-08 1967-02-08 Verfahren und Einrichtung zur angenähert proportionalen Untersetzung von Impulsreihen

Publications (1)

Publication Number Publication Date
AT295875B true AT295875B (de) 1972-01-25

Family

ID=4220990

Family Applications (1)

Application Number Title Priority Date Filing Date
AT48168A AT295875B (de) 1967-02-08 1968-01-17 Einrichtung zur Untersetzung einer Eingangsimpulsfolge

Country Status (6)

Country Link
AT (1) AT295875B (de)
CH (1) CH468750A (de)
FR (1) FR1554214A (de)
GB (1) GB1197673A (de)
NL (1) NL6705200A (de)
SE (1) SE330265B (de)

Also Published As

Publication number Publication date
FR1554214A (de) 1969-01-17
SE330265B (de) 1970-11-09
GB1197673A (en) 1970-07-08
NL6705200A (de) 1968-08-09
CH468750A (de) 1969-02-15

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Legal Events

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