SE330265B - - Google Patents

Info

Publication number
SE330265B
SE330265B SE155368A SE155368A SE330265B SE 330265 B SE330265 B SE 330265B SE 155368 A SE155368 A SE 155368A SE 155368 A SE155368 A SE 155368A SE 330265 B SE330265 B SE 330265B
Authority
SE
Sweden
Prior art keywords
counter
pulse
pulses
gate
leads
Prior art date
Application number
SE155368A
Other languages
English (en)
Inventor
F Glantschnig
M Leroux
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
Publication of SE330265B publication Critical patent/SE330265B/xx

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)
SE155368A 1967-02-08 1968-02-06 SE330265B (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
SE330265B true SE330265B (de) 1970-11-09

Family

ID=4220990

Family Applications (1)

Application Number Title Priority Date Filing Date
SE155368A SE330265B (de) 1967-02-08 1968-02-06

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
GB1197673A (en) 1970-07-08
NL6705200A (de) 1968-08-09
CH468750A (de) 1969-02-15
AT295875B (de) 1972-01-25

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