BE519369A - - Google Patents

Info

Publication number
BE519369A
BE519369A BE519369DA BE519369A BE 519369 A BE519369 A BE 519369A BE 519369D A BE519369D A BE 519369DA BE 519369 A BE519369 A BE 519369A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE519369A publication Critical patent/BE519369A/xx

Links

Classifications

    • 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
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
BE519369D 1952-04-23 BE519369A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US283857A US2795650A (en) 1952-04-23 1952-04-23 Compandor control system

Publications (1)

Publication Number Publication Date
BE519369A true BE519369A (en:Method)

Family

ID=23087862

Family Applications (1)

Application Number Title Priority Date Filing Date
BE519369D BE519369A (en:Method) 1952-04-23

Country Status (5)

Country Link
US (1) US2795650A (en:Method)
BE (1) BE519369A (en:Method)
CH (1) CH329944A (en:Method)
DE (1) DE1005126B (en:Method)
GB (1) GB724302A (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980765A (en) * 1953-12-03 1961-04-18 British Telecomm Res Ltd Transmission of television signals
US2959641A (en) * 1957-01-02 1960-11-08 Itt Instantaneous type time compressors and expanders for pulse time modulation transmission systems
US2951905A (en) * 1957-01-03 1960-09-06 Itt Instantaneous type time compressors and expanders for pulse time modulation transmission systems
US2951906A (en) * 1957-02-11 1960-09-06 Itt Delay device
US3015815A (en) * 1959-05-18 1962-01-02 Bell Telephone Labor Inc Conversion between analog and digital information on a piecewise-linear basis
US3016528A (en) * 1959-05-18 1962-01-09 Bell Telephone Labor Inc Nonlinear conversion between analog and digital signals by a piecewiselinear process
US3176224A (en) * 1960-11-25 1965-03-30 Raytheon Co Compressor-expander
BE630982A (en:Method) * 1962-04-12
US3619511A (en) * 1969-07-17 1971-11-09 North American Rockwell Data normalizing apparatus
US3624299A (en) * 1969-11-13 1971-11-30 Applied Digital Data Syst Apparatus and method
WO1982000074A1 (en) * 1980-06-25 1982-01-07 W Mcgann Communication system for providing non-interfering multiple signals over individual common carrier channels
US4531208A (en) * 1982-02-24 1985-07-23 Rca Corporation Apparatus and method for reducing telephone channel power loading

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1743132A (en) * 1928-01-28 1930-01-14 American Telephone & Telegraph Equalization of carrier systems
US2248757A (en) * 1939-06-07 1941-07-08 Rca Corp Compression-expansion system
US2231538A (en) * 1939-06-21 1941-02-11 Bell Telephone Labor Inc Transmission control
DE734227C (de) * 1941-01-30 1943-04-10 Siemens Ag Schaltungsanordnung zur Beseitigung nichtlinearer Verzerrungen
US2407259A (en) * 1941-07-09 1946-09-10 Bell Telephone Labor Inc Transmission control in signaling systems
NL77653C (en:Method) * 1944-12-23
GB644932A (en) * 1948-01-16 1950-10-18 Standard Telephones Cables Ltd Improvements in or relating to signal compression and expansion arrangements in electric communication systems
US2521733A (en) * 1948-02-03 1950-09-12 Fed Telecomm Lab Inc Pulse code modulator

Also Published As

Publication number Publication date
US2795650A (en) 1957-06-11
CH329944A (fr) 1958-05-15
DE1005126B (de) 1957-03-28
GB724302A (en) 1955-02-16

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