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
  • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
  • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
  • H03J1/10—Rope drive; Chain drive

Applications Claiming Priority (1)

Publications (1)

Family

ID=19788936

Family Applications (1)

Country Status (6)

Family Cites Families (5)

• 0
  • FR FR964970D patent/FR964970A/fr not_active Expired
  • NL NL66628D patent/NL66628C/xx active
  • BE BE481990D patent/BE481990A/xx unknown
• 1948
  • 1948-03-11 US US14276A patent/US2553053A/en not_active Expired - Lifetime
  • 1948-04-19 GB GB10771/48A patent/GB638252A/en not_active Expired
  • 1948-12-23 DE DEP26149A patent/DE810162C/de not_active Expired

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