Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
  • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
  • H04B1/64—Volume compression or expansion arrangements
• • 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
  • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
  • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
  • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
  • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
  • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
  • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
• Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
• Networks Using Active Elements (AREA)

Priority Applications (7)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4100982

Family Applications (1)

Country Status (7)

Families Citing this family (3)

Family Cites Families (3)

• 1974
  • 1974-08-27 CA CA207,850A patent/CA998617A/en not_active Expired
• 1975
  • 1975-08-12 NL NL7509585A patent/NL7509585A/en not_active Application Discontinuation
  • 1975-08-13 GB GB3374975A patent/GB1514242A/en not_active Expired
  • 1975-08-26 JP JP10263975A patent/JPS5147312A/en active Pending
  • 1975-08-26 DE DE19752537998 patent/DE2537998A1/en active Pending
  • 1975-08-26 SE SE7509493A patent/SE7509493L/en not_active Application Discontinuation
  • 1975-08-27 FR FR7526424A patent/FR2283586A1/en not_active Withdrawn

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