FR2314619B1 - - Google Patents

Info

Publication number
FR2314619B1
FR2314619B1 FR7617671A FR7617671A FR2314619B1 FR 2314619 B1 FR2314619 B1 FR 2314619B1 FR 7617671 A FR7617671 A FR 7617671A FR 7617671 A FR7617671 A FR 7617671A FR 2314619 B1 FR2314619 B1 FR 2314619B1
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.)
Expired
Application number
FR7617671A
Other versions
FR2314619A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2314619A1 publication Critical patent/FR2314619A1/fr
Application granted granted Critical
Publication of FR2314619B1 publication Critical patent/FR2314619B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45098—PI types
    • 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]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR7617671A 1975-06-12 1976-06-11 Dispositif de codage pour modulation delta Granted FR2314619A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7506986A NL7506986A (nl) 1975-06-12 1975-06-12 Deltamodulatie-codeerinrichting.

Publications (2)

Publication Number Publication Date
FR2314619A1 FR2314619A1 (fr) 1977-01-07
FR2314619B1 true FR2314619B1 (fr) 1979-08-31

Family

ID=19823939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617671A Granted FR2314619A1 (fr) 1975-06-12 1976-06-11 Dispositif de codage pour modulation delta

Country Status (10)

Country Link
US (1) US4109203A (fr)
JP (1) JPS51151052A (fr)
AU (1) AU505237B2 (fr)
BE (1) BE842816A (fr)
CA (1) CA1089099A (fr)
DE (1) DE2624636C3 (fr)
FR (1) FR2314619A1 (fr)
GB (1) GB1538900A (fr)
NL (1) NL7506986A (fr)
SE (1) SE410077B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446565A (en) * 1980-12-30 1984-05-01 Motorola, Inc. CVSD Transmission with improved intelligibility of voice signals
US4470146A (en) * 1982-04-30 1984-09-04 Communications Satellite Corporation Adaptive quantizer with instantaneous error robustness
US4516241A (en) * 1983-07-11 1985-05-07 At&T Bell Laboratories Bit compression coding with embedded signaling
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
GB2157516A (en) * 1984-04-09 1985-10-23 Mobil Oil Corp Delta modulator
US7376192B2 (en) * 2004-07-22 2008-05-20 Telefonaktiebolaget L M Ericsson (Publ) Delta modulation for channel feedback in transmit diversity wireless communication systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2082740A5 (fr) * 1970-03-25 1971-12-10 Trt Telecom Radio Electr
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator
US3899754A (en) * 1974-05-09 1975-08-12 Bell Telephone Labor Inc Delta modulation and demodulation with syllabic companding

Also Published As

Publication number Publication date
BE842816A (fr) 1976-12-10
AU1483676A (en) 1977-12-15
SE7606456L (sv) 1976-12-13
DE2624636A1 (de) 1976-12-16
JPS5533209B2 (fr) 1980-08-29
JPS51151052A (en) 1976-12-25
AU505237B2 (en) 1979-11-15
CA1089099A (fr) 1980-11-04
US4109203A (en) 1978-08-22
DE2624636C3 (de) 1980-03-27
SE410077B (sv) 1979-09-17
GB1538900A (en) 1979-01-24
NL7506986A (nl) 1976-12-14
DE2624636B2 (de) 1979-07-12
FR2314619A1 (fr) 1977-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse