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
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
  • H03H7/01—Frequency selective two-port networks
  • H03H7/0153—Electrical filters; Controlling thereof
  • H03H7/0161—Bandpass filters

Applications Claiming Priority (1)

Publications (1)

Family

ID=5869788

Family Applications (1)

Country Status (7)

Family Cites Families (2)

• 1973
  • 1973-01-24 DE DE2303302A patent/DE2303302B1/de active Pending
• 1974
  • 1974-01-03 NL NL7400075A patent/NL7400075A/xx unknown
  • 1974-01-08 BE BE7000481A patent/BE809532A/xx unknown
  • 1974-01-09 GB GB106874A patent/GB1412385A/en not_active Expired
  • 1974-01-14 IT IT1936874A patent/IT1006898B/it active
  • 1974-01-22 CH CH79674A patent/CH558988A/xx not_active IP Right Cessation
  • 1974-01-24 FR FR7402381A patent/FR2215000B1/fr not_active Expired

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