Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
  • H03J1/02—Indicating arrangements
  • H03J1/04—Indicating arrangements with optical indicating means
  • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J3/00—Continuous tuning
  • H03J3/02—Details
  • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading

Applications Claiming Priority (1)

Publications (1)

Family

ID=19787171

Family Applications (1)

Country Status (4)

• 0
  • NL NL58200D patent/NL58200C/xx active
• 1939
  • 1939-08-29 DE DEP2136D patent/DE1081082B/de active Pending
  • 1939-08-31 GB GB24996/39A patent/GB533315A/en not_active Expired
  • 1939-09-01 FR FR859831D patent/FR859831A/fr not_active Expired

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