DD109142A1 - - Google Patents

Info

Publication number
DD109142A1
DD109142A1 DD17597874A DD17597874A DD109142A1 DD 109142 A1 DD109142 A1 DD 109142A1 DD 17597874 A DD17597874 A DD 17597874A DD 17597874 A DD17597874 A DD 17597874A DD 109142 A1 DD109142 A1 DD 109142A1
Authority
DD
German Democratic Republic
Application number
DD17597874A
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 filed Critical
Priority to DD17597874A priority Critical patent/DD109142A1/xx
Publication of DD109142A1 publication Critical patent/DD109142A1/xx
Priority to DE19752500934 priority patent/DE2500934A1/de
Priority to CH37675A priority patent/CH590589A5/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Networks Using Active Elements (AREA)
DD17597874A 1974-01-14 1974-01-14 DD109142A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD17597874A DD109142A1 (de) 1974-01-14 1974-01-14
DE19752500934 DE2500934A1 (de) 1974-01-14 1975-01-11 Verfahren zur steuerung der kennlinie eines elektronischen filters bzw. filtersystems und vorrichtung zur durchfuehrung des verfahrens
CH37675A CH590589A5 (de) 1974-01-14 1975-01-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17597874A DD109142A1 (de) 1974-01-14 1974-01-14

Publications (1)

Publication Number Publication Date
DD109142A1 true DD109142A1 (de) 1974-10-12

Family

ID=5494299

Family Applications (1)

Application Number Title Priority Date Filing Date
DD17597874A DD109142A1 (de) 1974-01-14 1974-01-14

Country Status (3)

Country Link
CH (1) CH590589A5 (de)
DD (1) DD109142A1 (de)
DE (1) DE2500934A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8022653B2 (en) 2004-05-08 2011-09-20 Conti Temic Microelectronic Gmbh Method and circuit arrangement for the electrical control and/or regulation of the movement of an electrically driven unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8022653B2 (en) 2004-05-08 2011-09-20 Conti Temic Microelectronic Gmbh Method and circuit arrangement for the electrical control and/or regulation of the movement of an electrically driven unit

Also Published As

Publication number Publication date
DE2500934A1 (de) 1975-07-17
CH590589A5 (de) 1977-08-15

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