NL146902B - Zwaarstangen en boorbuizen uit een niet-magnetiseerbare anstenitische staallegering. - Google Patents

Zwaarstangen en boorbuizen uit een niet-magnetiseerbare anstenitische staallegering.

Info

Publication number
NL146902B
NL146902B NL696917627A NL146902DA NL146902B NL 146902 B NL146902 B NL 146902B NL 696917627 A NL696917627 A NL 696917627A NL 146902D A NL146902D A NL 146902DA NL 146902 B NL146902 B NL 146902B
Authority
NL
Netherlands
Prior art keywords
anstenitic
magnetizable
steel alloy
drill tubes
heavy duties
Prior art date
Application number
NL696917627A
Other languages
English (en)
Dutch (nl)
Original Assignee
Schoeller Bleckmann Stahlwerke
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.)
Publication of NL146902B publication Critical patent/NL146902B/xx

Links

Classifications

    • 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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)
NL696917627A 1949-06-09 Zwaarstangen en boorbuizen uit een niet-magnetiseerbare anstenitische staallegering. NL146902B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL686034X 1949-06-09

Publications (1)

Publication Number Publication Date
NL146902B true NL146902B (nl)

Family

ID=19805669

Family Applications (2)

Application Number Title Priority Date Filing Date
NL72984D NL72984C (en, 2012) 1949-06-09
NL696917627A NL146902B (nl) 1949-06-09 Zwaarstangen en boorbuizen uit een niet-magnetiseerbare anstenitische staallegering.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL72984D NL72984C (en, 2012) 1949-06-09

Country Status (5)

Country Link
US (1) US2591917A (en, 2012)
DE (1) DE818969C (en, 2012)
FR (1) FR1019793A (en, 2012)
GB (1) GB686034A (en, 2012)
NL (2) NL146902B (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1126030A (en) * 1966-10-07 1968-09-05 Telefunken Patent Improvements in or relating to frequency demodulators

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267453A (en) * 1937-03-13 1941-12-23 Rca Corp Automatic frequency control circuits
US2296056A (en) * 1939-08-16 1942-09-15 Rca Corp Frequency modulation receiver

Also Published As

Publication number Publication date
GB686034A (en) 1953-01-14
DE818969C (de) 1951-10-29
FR1019793A (fr) 1953-01-26
NL72984C (en, 2012)
US2591917A (en) 1952-04-08

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