Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G1/00—Details of arrangements for controlling amplification
  • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
  • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
  • H03G1/0047—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using photo-electric elements
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
  • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G5/00—Tone control or bandwidth control in amplifiers
  • H03G5/16—Automatic control
  • H03G5/18—Automatic control in untuned amplifiers
  • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H11/00—Networks using active elements
  • H03H11/02—Multiple-port networks
  • H03H11/04—Frequency selective two-port networks
  • H03H11/0405—Non-linear filters

Landscapes

• Physics & Mathematics (AREA)
• Nonlinear Science (AREA)
• Networks Using Active Elements (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7345030

Family Applications (1)

Country Status (7)

Families Citing this family (1)

• 1966
  • 1966-10-04 DE DE19661499809 patent/DE1499809A1/en active Pending
• 1967
  • 1967-09-29 GB GB4439667A patent/GB1196647A/en not_active Expired
  • 1967-09-29 NL NL6713244A patent/NL6713244A/xx unknown
  • 1967-10-02 CH CH1370567A patent/CH464558A/en unknown
  • 1967-10-02 ES ES345668A patent/ES345668A1/en not_active Expired
  • 1967-10-02 SE SE1349667A patent/SE328712B/xx unknown
  • 1967-10-03 BE BE704624D patent/BE704624A/xx unknown

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