CA949680A - Modulator and demodulator respectively for use in adaptive delta modulation - Google Patents

Modulator and demodulator respectively for use in adaptive delta modulation

Info

Publication number
CA949680A
CA949680A CA114,856A CA114856A CA949680A CA 949680 A CA949680 A CA 949680A CA 114856 A CA114856 A CA 114856A CA 949680 A CA949680 A CA 949680A
Authority
CA
Canada
Prior art keywords
modulator
delta modulation
adaptive delta
demodulator respectively
demodulator
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
CA114,856A
Other languages
English (en)
Other versions
CA114856S (en
Inventor
Gunnar E. W. Sparrendahl
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of CA949680A publication Critical patent/CA949680A/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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Electronic Switches (AREA)
CA114,856A 1970-06-05 1971-06-04 Modulator and demodulator respectively for use in adaptive delta modulation Expired CA949680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7824/70A SE346434B (de) 1970-06-05 1970-06-05

Publications (1)

Publication Number Publication Date
CA949680A true CA949680A (en) 1974-06-18

Family

ID=20272415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA114,856A Expired CA949680A (en) 1970-06-05 1971-06-04 Modulator and demodulator respectively for use in adaptive delta modulation

Country Status (9)

Country Link
US (1) US3736508A (de)
CA (1) CA949680A (de)
DE (1) DE2126172C3 (de)
DK (1) DK135439B (de)
FR (1) FR2094076B1 (de)
GB (1) GB1324957A (de)
NL (1) NL7107487A (de)
NO (1) NO128001B (de)
SE (1) SE346434B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188367B1 (de) * 1972-06-01 1980-03-21 Ibm France
US3831167A (en) * 1972-11-08 1974-08-20 Bell Telephone Labor Inc Digital-to-analog conversion using multiple decoders
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator
FR2386941A1 (fr) * 1977-04-04 1978-11-03 Trt Telecom Radio Electr Dispositif de traitement d'un signal numerique delta, destine notamment au decodage de ce signal
CN101680604B (zh) 2007-05-08 2013-05-08 科锐公司 照明装置和照明方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633170A (en) * 1970-06-09 1972-01-04 Ibm Digital filter and threshold circuit

Also Published As

Publication number Publication date
DE2126172C3 (de) 1979-11-22
GB1324957A (en) 1973-07-25
DK135439C (de) 1977-10-10
DE2126172B2 (de) 1973-10-04
DK135439B (da) 1977-04-25
SE346434B (de) 1972-07-03
FR2094076A1 (de) 1972-02-04
US3736508A (en) 1973-05-29
FR2094076B1 (de) 1976-03-19
NL7107487A (de) 1971-12-07
NO128001B (de) 1973-09-10
DE2126172A1 (de) 1971-12-09

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