GB1377111A - Delta modulator - Google Patents

Delta modulator

Info

Publication number
GB1377111A
GB1377111A GB4906972A GB4906972A GB1377111A GB 1377111 A GB1377111 A GB 1377111A GB 4906972 A GB4906972 A GB 4906972A GB 4906972 A GB4906972 A GB 4906972A GB 1377111 A GB1377111 A GB 1377111A
Authority
GB
United Kingdom
Prior art keywords
bit
value
word
input
derived
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.)
Expired
Application number
GB4906972A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1377111A publication Critical patent/GB1377111A/en
Expired 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)
GB4906972A 1971-11-19 1972-10-24 Delta modulator Expired GB1377111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20036271A 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
GB1377111A true GB1377111A (en) 1974-12-11

Family

ID=22741403

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4906972A Expired GB1377111A (en) 1971-11-19 1972-10-24 Delta modulator

Country Status (6)

Country Link
JP (1) JPS4860570A (enrdf_load_stackoverflow)
CA (1) CA1007377A (enrdf_load_stackoverflow)
DE (1) DE2256112A1 (enrdf_load_stackoverflow)
FR (1) FR2160392A1 (enrdf_load_stackoverflow)
GB (1) GB1377111A (enrdf_load_stackoverflow)
IT (1) IT969834B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137037A (en) * 1983-03-24 1984-09-26 Labo Cent Telecommunicat Transcoding Process and Device For Parallel Transcoding of a Digital PCM Signal

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916314A (en) * 1974-04-08 1975-10-28 Ibm Non-linear filter for delta modulator output using shift register and table lookup
US3971987A (en) * 1975-02-07 1976-07-27 International Business Machines Corporation Gain method and apparatus for a delta modulator
DE2932121C2 (de) * 1979-08-08 1982-09-30 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren für adaptive δ-Modulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137037A (en) * 1983-03-24 1984-09-26 Labo Cent Telecommunicat Transcoding Process and Device For Parallel Transcoding of a Digital PCM Signal

Also Published As

Publication number Publication date
CA1007377A (en) 1977-03-22
IT969834B (it) 1974-04-10
JPS4860570A (enrdf_load_stackoverflow) 1973-08-24
FR2160392A1 (enrdf_load_stackoverflow) 1973-06-29
DE2256112A1 (de) 1973-05-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee