BE754963A - Systeme de communication a impulsions codees differentielles - Google Patents

Systeme de communication a impulsions codees differentielles

Info

Publication number
BE754963A
BE754963A BE754963DA BE754963A BE 754963 A BE754963 A BE 754963A BE 754963D A BE754963D A BE 754963DA BE 754963 A BE754963 A BE 754963A
Authority
BE
Belgium
Prior art keywords
communication system
coded pulses
differential coded
pulses communication
differential
Prior art date
Application number
Other languages
English (en)
Inventor
J O Limb
F W Mounts
Original Assignee
Western Electric Co
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.)
Publication date
Publication of BE754963A publication Critical patent/BE754963A/fr

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
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
BE754963D 1969-08-20 Systeme de communication a impulsions codees differentielles BE754963A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85163969A 1969-08-20 1969-08-20

Publications (1)

Publication Number Publication Date
BE754963A true BE754963A (fr) 1971-02-01

Family

ID=25311275

Family Applications (1)

Application Number Title Priority Date Filing Date
BE754963D BE754963A (fr) 1969-08-20 Systeme de communication a impulsions codees differentielles

Country Status (5)

Country Link
US (1) US3609552A (fr)
BE (1) BE754963A (fr)
DE (1) DE2041077A1 (fr)
FR (1) FR2060649A5 (fr)
GB (1) GB1287087A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131083C3 (de) * 1971-06-23 1981-06-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Nachrichtenübertragungssystem
US3908181A (en) * 1972-07-17 1975-09-23 Nippon Electric Co Predictive conversion between self-correlated analog signal and corresponding digital signal according to digital companded delta modulation
US3831167A (en) * 1972-11-08 1974-08-20 Bell Telephone Labor Inc Digital-to-analog conversion using multiple decoders
US3781686A (en) * 1972-11-13 1973-12-25 Bell Telephone Labor Inc Differential pulse code communications system having dual quantization schemes
US3781685A (en) * 1972-11-13 1973-12-25 Bell Telephone Labor Inc Differential pulse code communications system having dual quantization schemes
DE2264179C3 (de) * 1972-12-29 1975-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digitales Zeitmultiptexvermittlungsverfahren für Pulscodemodulation und Pulsdeltamodulation
US3824590A (en) * 1973-03-26 1974-07-16 Bell Telephone Labor Inc Adaptive interpolating video encoder
DE2405534C2 (de) * 1974-02-06 1983-06-01 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Nachrichtenübertragungssystem, insbesondere zur Übertragung von Videosignalen
US3979676A (en) * 1974-10-21 1976-09-07 International Standard Electric Corporation Delta modulation apparatus
US3971987A (en) * 1975-02-07 1976-07-27 International Business Machines Corporation Gain method and apparatus for a delta modulator
JPS59126342A (ja) * 1983-01-10 1984-07-20 Nec Corp デジタル音声信号伝送方式
US4910685A (en) * 1983-09-09 1990-03-20 Intergraph Corporation Video circuit including a digital-to-analog converter in the monitor which converts the digital data to analog currents before conversion to analog voltages
US4549304A (en) * 1983-11-28 1985-10-22 Northern Telecom Limited ADPCM Encoder/decoder with signalling bit insertion

Also Published As

Publication number Publication date
FR2060649A5 (fr) 1971-06-18
DE2041077A1 (de) 1971-02-25
US3609552A (en) 1971-09-28
GB1287087A (en) 1972-08-31

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