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
  • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
  • H03J1/16—Single control means independently performing two or more functions
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G3/00—Gain control in amplifiers or frequency changers
  • H03G3/02—Manually-operated control
  • H03G3/14—Manually-operated control in frequency-selective amplifiers
  • H03G3/16—Manually-operated control in frequency-selective amplifiers having discharge tubes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J3/00—Continuous tuning
  • H03J3/02—Details
  • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
  • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Applications Claiming Priority (1)

Publications (1)

Family

ID=31983824

Family Applications (1)

Country Status (5)

Families Citing this family (3)

• 0
  • BE BE377418D patent/BE377418A/xx unknown
• 1930
  • 1930-03-12 DE DE1930578921D patent/DE578921C/de not_active Expired
• 1931
  • 1931-02-12 NL NL31551D patent/NL31551C/xx active
  • 1931-02-18 FR FR711426D patent/FR711426A/fr not_active Expired
  • 1931-03-11 GB GB756231A patent/GB362270A/en not_active Expired

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