FR2310035A1 - Decodeur pour produire un signal analogique en escalier a partir d'un caractere module par impulsions codees - Google Patents

Decodeur pour produire un signal analogique en escalier a partir d'un caractere module par impulsions codees

Info

Publication number
FR2310035A1
FR2310035A1 FR7612914A FR7612914A FR2310035A1 FR 2310035 A1 FR2310035 A1 FR 2310035A1 FR 7612914 A FR7612914 A FR 7612914A FR 7612914 A FR7612914 A FR 7612914A FR 2310035 A1 FR2310035 A1 FR 2310035A1
Authority
FR
France
Prior art keywords
stairs
decoder
produce
analogue signal
character module
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7612914A
Other languages
English (en)
Other versions
FR2310035B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2310035A1 publication Critical patent/FR2310035A1/fr
Application granted granted Critical
Publication of FR2310035B1 publication Critical patent/FR2310035B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03M1/86—Digital/analogue converters with intermediate conversion to frequency of pulses
    • H03M1/88—Non-linear conversion
    • 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
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR7612914A 1975-05-01 1976-04-30 Decodeur pour produire un signal analogique en escalier a partir d'un caractere module par impulsions codees Granted FR2310035A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/573,399 US3987436A (en) 1975-05-01 1975-05-01 Digital-to-analog decoder utilizing time interpolation and reversible accumulation

Publications (2)

Publication Number Publication Date
FR2310035A1 true FR2310035A1 (fr) 1976-11-26
FR2310035B1 FR2310035B1 (fr) 1981-08-07

Family

ID=24291846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612914A Granted FR2310035A1 (fr) 1975-05-01 1976-04-30 Decodeur pour produire un signal analogique en escalier a partir d'un caractere module par impulsions codees

Country Status (12)

Country Link
US (1) US3987436A (fr)
JP (1) JPS5938771B2 (fr)
AU (1) AU501186B2 (fr)
BE (1) BE841299A (fr)
CA (1) CA1084167A (fr)
CH (1) CH616285A5 (fr)
DE (1) DE2618633C3 (fr)
FR (1) FR2310035A1 (fr)
GB (1) GB1544528A (fr)
IT (1) IT1061500B (fr)
NL (1) NL172811B (fr)
SE (1) SE412151B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493954A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Interpolating pcm decoder
US4532495A (en) * 1978-02-24 1985-07-30 Votrax, Inc. Speech digitization system
CA1130461A (fr) * 1978-08-23 1982-08-24 Hiroshi Kosugi Convertisseur numerique-analogique a interpolation pour signaux mic lineaires
NL173339C (nl) * 1978-11-30 1984-01-02 Philips Nv Digitaal-analoog omzetter.
US4578772A (en) * 1981-09-18 1986-03-25 Fujitsu Limited Voltage dividing circuit
USRE34660E (en) * 1983-07-29 1994-07-12 Burr-Brown Corporation Apparatus and methods for digital-to-analog conversion using modified LSB switching
EP0142907B1 (fr) * 1983-07-29 1993-03-17 Burr-Brown Corporation Dispositif et méthode de conversion AN et NA
DE3526620A1 (de) * 1984-08-16 1986-02-27 Robert Bosch Gmbh, 7000 Stuttgart Regelvorrichtung in einem kraftfahrzeug
US4593271A (en) * 1985-01-16 1986-06-03 At&T Bell Laboratories Higher order interpolation for digital-to-analog conversion
GB2176070B (en) * 1985-05-31 1989-07-12 Int Standard Electric Corp Digital to analogue converter circuit arrangement and method of digital to analogue converter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382438A (en) * 1964-07-13 1968-05-07 Gen Telephone & Elect Nonlinear pulse code modulation system coding and decoding means
GB1086908A (en) * 1965-07-26 1967-10-11 Standard Telephones Cables Ltd Analogue-to-digital converter
FR1516889A (fr) * 1966-12-29 1968-02-05 Labo Cent Telecommunicat Décodeur non linéaire pour code ternaire
US3541354A (en) * 1967-03-06 1970-11-17 Litton Systems Inc Digital-to-analog converter
FR1577433A (fr) * 1968-04-30 1969-08-08
BE766470A (fr) * 1970-11-18 1971-09-16 Telecomunicazioni Soc It Generateur de courant a debit controle
US3699568A (en) * 1970-12-21 1972-10-17 Motorola Inc Weighted ladder technique
BE791410A (fr) * 1971-11-19 1973-05-14 Westinghouse Electric Corp Appareil et methode de conversion d'une information numerique en une information analogique
US3893102A (en) * 1973-11-02 1975-07-01 Bell Telephone Labor Inc Digital-to-analog converter using differently decoded bit groups
US3925731A (en) * 1974-04-18 1975-12-09 Bell Telephone Labor Inc Differential pulse coded system using shift register companding

Also Published As

Publication number Publication date
SE7604647L (sv) 1976-11-02
NL172811B (nl) 1983-05-16
BE841299A (fr) 1976-08-16
FR2310035B1 (fr) 1981-08-07
IT1061500B (it) 1983-02-28
CH616285A5 (fr) 1980-03-14
DE2618633C3 (de) 1982-02-18
AU501186B2 (en) 1979-06-14
GB1544528A (en) 1979-04-19
JPS51142258A (en) 1976-12-07
SE412151B (sv) 1980-02-18
US3987436A (en) 1976-10-19
JPS5938771B2 (ja) 1984-09-19
CA1084167A (fr) 1980-08-19
NL7604415A (nl) 1976-11-03
DE2618633A1 (de) 1976-11-11
AU1342976A (en) 1977-11-03
DE2618633B2 (de) 1981-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse