CH417695A - Compander - Google Patents

Compander

Info

Publication number
CH417695A
CH417695A CH457063A CH457063A CH417695A CH 417695 A CH417695 A CH 417695A CH 457063 A CH457063 A CH 457063A CH 457063 A CH457063 A CH 457063A CH 417695 A CH417695 A CH 417695A
Authority
CH
Switzerland
Prior art keywords
compander
Prior art date
Application number
CH457063A
Other languages
German (de)
English (en)
Inventor
Kurt Ligotky Harri
Original Assignee
Standard Telephon & Radio Ag
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.)
Filing date
Publication date
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH417695A publication Critical patent/CH417695A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/008—Control by a pilot signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH457063A 1962-04-12 1963-04-10 Compander CH417695A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US187073A US3241066A (en) 1962-04-12 1962-04-12 Compandor system having an analog signal controlled compressor and an auxiliary signal controlled expander

Publications (1)

Publication Number Publication Date
CH417695A true CH417695A (de) 1966-07-31

Family

ID=22687506

Family Applications (1)

Application Number Title Priority Date Filing Date
CH457063A CH417695A (de) 1962-04-12 1963-04-10 Compander

Country Status (6)

Country Link
US (1) US3241066A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE630982A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH417695A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1353401A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB974455A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL291526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458815A (en) * 1966-05-17 1969-07-29 Bell Telephone Labor Inc Constant level signal transmission with band-edge pilot tone amplitude adjustment
US4061874A (en) * 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
US4295223A (en) * 1979-04-25 1981-10-13 Westinghouse Electric Corp. Digital signal/noise ratio amplifier apparatus for a communication system
WO1982000074A1 (en) * 1980-06-25 1982-01-07 W Mcgann Communication system for providing non-interfering multiple signals over individual common carrier channels
US4475208A (en) * 1982-01-18 1984-10-02 Ricketts James A Wired spread spectrum data communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248757A (en) * 1939-06-07 1941-07-08 Rca Corp Compression-expansion system
US2352918A (en) * 1942-10-30 1944-07-04 Rca Corp Two-way telephone and telegraph system
US2912506A (en) * 1955-03-09 1959-11-10 Itt Communication system
BE519369A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1952-04-23
US2986712A (en) * 1958-09-17 1961-05-30 Siemens Ag Compander system for transmitting intelligence

Also Published As

Publication number Publication date
US3241066A (en) 1966-03-15
NL291526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB974455A (en) 1964-11-04
FR1353401A (fr) 1964-02-21
BE630982A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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