FR2021037A1 - - Google Patents

Info

Publication number
FR2021037A1
FR2021037A1 FR6935759A FR6935759A FR2021037A1 FR 2021037 A1 FR2021037 A1 FR 2021037A1 FR 6935759 A FR6935759 A FR 6935759A FR 6935759 A FR6935759 A FR 6935759A FR 2021037 A1 FR2021037 A1 FR 2021037A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6935759A
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 FR2021037A1 publication Critical patent/FR2021037A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR6935759A 1968-10-18 1969-10-17 Withdrawn FR2021037A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76881368A 1968-10-18 1968-10-18

Publications (1)

Publication Number Publication Date
FR2021037A1 true FR2021037A1 (fr) 1970-07-17

Family

ID=25083556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6935759A Withdrawn FR2021037A1 (fr) 1968-10-18 1969-10-17

Country Status (5)

Country Link
US (1) US3582784A (fr)
BE (1) BE740357A (fr)
DE (1) DE1952379A1 (fr)
FR (1) FR2021037A1 (fr)
GB (1) GB1218510A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805175A (en) * 1970-04-27 1974-04-16 Ibm Retrospective pulse modulation decoding method and apparatus
US3668559A (en) * 1970-11-16 1972-06-06 Scope Inc Audio to digital converter
US3815033A (en) * 1970-12-02 1974-06-04 Bell Telephone Labor Inc Discrete adaptive delta modulation system
FR2126156B1 (fr) * 1971-02-25 1974-05-31 Ibm France
US3727135A (en) * 1971-04-27 1973-04-10 Us Army Adaptive code modulation improvement in digital code modulators
JPS5027418A (fr) * 1973-03-21 1975-03-20
DE2409574C2 (de) * 1974-02-28 1982-05-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Asynchroner Deltamodulator
US3918042A (en) * 1974-04-29 1975-11-04 Motorola Inc Delta modulator having increased dynamic range
US3899754A (en) * 1974-05-09 1975-08-12 Bell Telephone Labor Inc Delta modulation and demodulation with syllabic companding
FR2283596A1 (fr) * 1974-08-28 1976-03-26 Cit Alcatel Modulateur-demodulateur delta a adaptation amelioree
FR2396463A1 (fr) * 1977-06-30 1979-01-26 Ibm France Circuit pour compenser les decalages du zero dans les dispositifs analogiques et application de ce circuit a un convertisseur analogique-numerique
US4190801A (en) * 1978-02-06 1980-02-26 Deltalab Research, Inc. Digital encoding circuitry
US4811019A (en) * 1986-05-30 1989-03-07 Shure Brothers Incorporated, Inc. Delta modulation encoding/decoding circuitry
JPS63234079A (ja) * 1986-10-23 1988-09-29 Yokohama Rubber Co Ltd:The 一液型シーラントの製造方法
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
JPH01256278A (ja) * 1988-04-06 1989-10-12 Canon Inc 予測符号化システム
FR2742356B1 (fr) * 1995-12-15 1998-01-23 Yokohama Rubber Co Ltd Procede de preparation d'un materiau d'etancheite de type monocomposant
DE29617034U1 (de) 1996-09-30 1996-12-05 Stocko Metallwarenfabriken Henkels & Sohn GmbH & Co, 42327 Wuppertal PC-Card Adapter
SE511963C2 (sv) * 1997-04-23 1999-12-20 Ericsson Telefon Ab L M Anordning och förfarande för bestämning av linjespänning i en abonnentlinjekrets
US9071257B2 (en) * 2013-07-09 2015-06-30 The Trustees Of Columbia University In The City Of New York Systems and methods for derivative level-crossing sampling

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267338A (fr) * 1961-07-20
US3109987A (en) * 1961-12-18 1963-11-05 Automatic Elect Lab Improved integrator

Also Published As

Publication number Publication date
US3582784A (en) 1971-06-01
GB1218510A (en) 1971-01-06
BE740357A (fr) 1970-04-01
DE1952379A1 (de) 1970-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse