Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
  • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
  • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
  • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
  • H03B2200/003—Circuit elements of oscillators
  • H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
  • H03D2200/0001—Circuit elements of demodulators
  • H03D2200/0017—Intermediate frequency filter

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Superheterodyne Receivers (AREA)
• Amplifiers (AREA)
• Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
• Processing Of Solid Wastes (AREA)
• Manufacture And Refinement Of Metals (AREA)

Applications Claiming Priority (2)

Publications (4)

Family

ID=6260641

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (3)

• 1985
  • 1985-01-24 DE DE19853502294 patent/DE3502294A1/de not_active Withdrawn
  • 1985-10-01 DE DE8585112385T patent/DE3567134D1/de not_active Expired
  • 1985-10-01 AT AT85112385T patent/ATE39597T1/de not_active IP Right Cessation
  • 1985-10-01 EP EP85112385A patent/EP0188662B1/de not_active Expired
• 1986
  • 1986-01-23 DK DK034886A patent/DK163087C/da active

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