BR7405096A - Um conjunto codificador/decodificador para sistemas telefonicos do tipo multiplex por divisao no tempo - Google Patents

Um conjunto codificador/decodificador para sistemas telefonicos do tipo multiplex por divisao no tempo

Info

Publication number
BR7405096A
BR7405096A BR5096/74A BR509674A BR7405096A BR 7405096 A BR7405096 A BR 7405096A BR 5096/74 A BR5096/74 A BR 5096/74A BR 509674 A BR509674 A BR 509674A BR 7405096 A BR7405096 A BR 7405096A
Authority
BR
Brazil
Prior art keywords
encoder
time division
telephone systems
type telephone
multiplex type
Prior art date
Application number
BR5096/74A
Other languages
English (en)
Inventor
Evangelo Lyghounis
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of BR7405096A publication Critical patent/BR7405096A/pt

Links

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
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR5096/74A 1973-07-12 1974-06-21 Um conjunto codificador/decodificador para sistemas telefonicos do tipo multiplex por divisao no tempo BR7405096A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26504/73A IT998230B (it) 1973-07-12 1973-07-12 Codecodificatore per sistemi telefonici a divisione di tempo

Publications (1)

Publication Number Publication Date
BR7405096A true BR7405096A (pt) 1976-02-17

Family

ID=11219661

Family Applications (1)

Application Number Title Priority Date Filing Date
BR5096/74A BR7405096A (pt) 1973-07-12 1974-06-21 Um conjunto codificador/decodificador para sistemas telefonicos do tipo multiplex por divisao no tempo

Country Status (13)

Country Link
US (1) US3943466A (pt)
JP (1) JPS5039862A (pt)
BE (1) BE817542A (pt)
BR (1) BR7405096A (pt)
CA (1) CA1034270A (pt)
CH (1) CH581408A5 (pt)
DE (1) DE2432976A1 (pt)
ES (1) ES426518A1 (pt)
FR (1) FR2237367A1 (pt)
GB (1) GB1467474A (pt)
IT (1) IT998230B (pt)
NL (1) NL7409502A (pt)
SE (1) SE7409084L (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435914B2 (pt) * 1974-10-24 1979-11-06
CA1152650A (en) * 1979-02-27 1983-08-23 Ernst A. Munter Pcm and pam conversion circuit including signal level variation on the pcm portion of the circuit
US4531208A (en) * 1982-02-24 1985-07-23 Rca Corporation Apparatus and method for reducing telephone channel power loading
US4782285A (en) * 1986-11-03 1988-11-01 Tektronix, Inc. Variable resolution control system
US5321404A (en) * 1993-02-18 1994-06-14 Analog Devices, Inc. Ripsaw analog-to-digital converter and method
US6177901B1 (en) * 1999-02-03 2001-01-23 Li Pan High accuracy, high speed, low power analog-to-digital conversion method and circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357668A (fr) * 1963-02-04 1964-04-10 Labo Cent Telecommunicat Perfectionnements aux dispositifs de codage et de décodage non linéaires
DE1207436B (de) * 1964-06-03 1965-12-23 Standard Elektrik Lorenz Ag Nichtlineares Codier- bzw. Decodier-System
DE2011056B2 (de) * 1970-03-09 1971-12-16 Krone Gmbh, 1000 Berlin Pulscodedemodulator mit dehnercharakteristik aufweisender knickkennlinie
US3632996A (en) * 1970-05-14 1972-01-04 Nasa Digital quasi-exponential function generator
US3688221A (en) * 1971-03-02 1972-08-29 Krone Gmbh Two-stage pcm coder with compression characteristic

Also Published As

Publication number Publication date
NL7409502A (nl) 1975-01-14
CH581408A5 (pt) 1976-10-29
CA1034270A (en) 1978-07-04
BE817542A (fr) 1974-11-04
FR2237367A1 (pt) 1975-02-07
GB1467474A (en) 1977-03-16
SE7409084L (sv) 1975-01-13
IT998230B (it) 1976-01-20
JPS5039862A (pt) 1975-04-12
US3943466A (en) 1976-03-09
DE2432976A1 (de) 1975-07-03
ES426518A1 (es) 1976-07-01

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