Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
• • 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
  • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G5/00—Tone control or bandwidth control in amplifiers
  • H03G5/16—Automatic control
• • 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
  • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
  • H03M3/00—Conversion of analogue values to or from differential modulation
  • H03M3/02—Delta modulation, i.e. one-bit differential modulation
  • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
• • 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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B14/00—Transmission systems not characterised by the medium used for transmission
  • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
  • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
  • H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
  • H04B14/064—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM] with adaptive feedback

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Theoretical Computer Science (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Selective Calling Equipment (AREA)
• Circuits Of Receivers In General (AREA)
• Analogue/Digital Conversion (AREA)
• Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Priority Applications (2)

Applications Claiming Priority (3)

Publications (3)

Family

ID=27415317

Family Applications (1)

Country Status (9)

Families Citing this family (6)

Family Cites Families (10)

• 1984
  • 1984-09-07 AU AU32815/84A patent/AU572555B2/en not_active Expired
  • 1984-09-07 AU AU32816/84A patent/AU572556B2/en not_active Ceased
  • 1984-09-28 KR KR1019840006015A patent/KR930005647B1/ko not_active Expired - Fee Related
  • 1984-10-05 DK DK478884A patent/DK478884A/da not_active Application Discontinuation
  • 1984-10-05 CA CA000464818A patent/CA1257930A/en not_active Expired
  • 1984-10-05 NO NO844016A patent/NO167949C/no unknown
  • 1984-10-05 ES ES84536552A patent/ES8606753A1/es not_active Expired
  • 1984-10-05 BR BR8405049A patent/BR8405049A/pt not_active IP Right Cessation
  • 1984-10-08 DE DE8484306849T patent/DE3485530D1/de not_active Expired - Lifetime
  • 1984-10-08 EP EP90200454A patent/EP0376933A3/en not_active Withdrawn
  • 1984-10-08 EP EP19900200455 patent/EP0384544A3/en not_active Withdrawn
  • 1984-10-08 EP EP84306849A patent/EP0138548B1/en not_active Expired - Lifetime
• 1985
  • 1985-11-16 ES ES548971A patent/ES8704685A1/es not_active Expired
  • 1985-11-16 ES ES548970A patent/ES8704684A1/es not_active Expired
  • 1985-11-16 ES ES548969A patent/ES8704683A1/es not_active Expired
• 1988
  • 1988-06-02 AU AU17310/88A patent/AU587940B2/en not_active Ceased
  • 1988-06-02 AU AU17311/88A patent/AU585754B2/en not_active Ceased
  • 1988-06-02 AU AU17307/88A patent/AU607505B2/en not_active Expired
  • 1988-06-02 AU AU17309/88A patent/AU587939B2/en not_active Expired
• 1991
  • 1991-02-25 DK DK032191A patent/DK32191A/da not_active Application Discontinuation

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