Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F21/00—Variable inductances or transformers of the signal type
  • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
  • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
• • 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)
• Train Traffic Observation, Control, And Security (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4552004

Family Applications (1)

Country Status (4)

Families Citing this family (1)

• 0
  • BE BE492398D patent/BE492398A/xx unknown
• 1948
  • 1948-11-29 CH CH269676D patent/CH269676A/en unknown
• 1949
  • 1949-11-16 DE DEP286K patent/DE821662C/en not_active Expired
  • 1949-11-24 FR FR1000298D patent/FR1000298A/en not_active Expired

Also Published As

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