IT960428B - Sistema di modulazione differenzia le a codice di impulsi - Google Patents

Sistema di modulazione differenzia le a codice di impulsi

Info

Publication number
IT960428B
IT960428B IT68989/72A IT6898972A IT960428B IT 960428 B IT960428 B IT 960428B IT 68989/72 A IT68989/72 A IT 68989/72A IT 6898972 A IT6898972 A IT 6898972A IT 960428 B IT960428 B IT 960428B
Authority
IT
Italy
Prior art keywords
modulation system
system differences
pulses
code
pulses code
Prior art date
Application number
IT68989/72A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT960428B publication Critical patent/IT960428B/it

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]
    • 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]
    • H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
IT68989/72A 1971-06-21 1972-06-20 Sistema di modulazione differenzia le a codice di impulsi IT960428B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15499671A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
IT960428B true IT960428B (it) 1973-11-20

Family

ID=22553717

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68989/72A IT960428B (it) 1971-06-21 1972-06-20 Sistema di modulazione differenzia le a codice di impulsi

Country Status (10)

Country Link
US (1) US3723909A (it)
AU (1) AU471829B2 (it)
BE (1) BE785082A (it)
CA (1) CA964766A (it)
DE (1) DE2229398A1 (it)
FR (1) FR2143002B1 (it)
GB (1) GB1348470A (it)
IT (1) IT960428B (it)
NL (1) NL7208184A (it)
SE (1) SE386553B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198686A5 (it) * 1972-09-04 1974-03-29 Trt Telecom Radio Electr
JPS547525B2 (it) * 1973-12-28 1979-04-07
US4039948A (en) * 1974-06-19 1977-08-02 Boxall Frank S Multi-channel differential pulse code modulation system
CA1068822A (en) * 1974-06-24 1979-12-25 Ching-Long Song Digital to analog converter for a communication system
US3959745A (en) * 1975-06-24 1976-05-25 The United States Of America As Represented By The Secretary Of The Army Pulse amplitude modulator
DE3411962A1 (de) * 1983-03-31 1984-10-31 Sansui Electric Co., Ltd., Tokio/Tokyo Datenuebertragungseinrichtung
JPS61126836A (ja) * 1984-11-22 1986-06-14 Sansui Electric Co Ｐｃｍ伝送方式およびその装置
EP0399738A3 (en) * 1989-05-26 1991-05-08 Gec-Marconi Limited Analogue to digital converter
US5124706A (en) * 1989-09-15 1992-06-23 Wavephore, Inc. Analog to digital and digital to analog signal processors
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354267A (en) * 1965-01-13 1967-11-21 Bell Telephone Labor Inc Differential pcm system employing digital integration
US3452297A (en) * 1966-03-14 1969-06-24 Automatic Elect Lab Nonlinear pcm encoder having few analog-to-quantized signal comparisons with respect to the period of the pcm signal generated
US3497624A (en) * 1966-08-16 1970-02-24 Bell Telephone Labor Inc Continuously compounded delta modulation
US3526855A (en) * 1968-03-18 1970-09-01 Bell Telephone Labor Inc Pulse code modulation and differential pulse code modulation encoders
JPS4831139B1 (it) * 1969-03-11 1973-09-27
US3628148A (en) * 1969-12-23 1971-12-14 Bell Telephone Labor Inc Adaptive delta modulation system

Also Published As

Publication number Publication date
FR2143002B1 (it) 1978-06-30
NL7208184A (it) 1972-12-27
FR2143002A1 (it) 1973-02-02
SE386553B (sv) 1976-08-09
GB1348470A (en) 1974-03-20
CA964766A (en) 1975-03-18
DE2229398A1 (de) 1972-12-28
AU4346972A (en) 1973-12-20
AU471829B2 (en) 1973-12-20
US3723909A (en) 1973-03-27
BE785082A (fr) 1972-10-16

Similar Documents

Publication Publication Date Title
IT946272B (it) Sistema di collegamento
NL175557C (nl) Veiligheidsstelsel.
IT958934B (it) Sistema pirotecnico multiplo
IT967588B (it) Sistema pom a piu livelli
BR7202363D0 (pt) Um sistema de manipulacao
IT987571B (it) Sistema di controllo
IT965944B (it) Sistema olotomografico a raggi
CH549988A (de) Befestigungsvorrichtung.
IT943925B (it) Sistema di comunicazione
NO138310C (no) Pulsatogenereringssystem.
SE386036B (sv) Pulskodmodulator
IT946649B (it) Sistema adesivo doppio a base di lattici
IT993086B (it) Sistema modulatore
IT960428B (it) Sistema di modulazione differenzia le a codice di impulsi
IT993085B (it) Sistema modulatore
IT971436B (it) Sistema di trasmissione a v
CH558725A (de) Sospensione pneumatica antriore a ruote indipendenti per autobur e veicili industriali.
IT959922B (it) Sistema di connessione perfezionato
IT953664B (it) Sistema di comando a distanza
IT1027664B (it) Sistema per la trasmissione di informazioni con modulazione a codice di impulsi
IT969834B (it) Sistema di codificazione perfezionato
CH555496A (de) Vanne a tiroir.
IT940636B (it) Sistema a tariffa esatta
CH555465A (de) Sperrvorrichtung.
IT953672B (it) Sistema di segnalazione a scelta multipla manualmente azionabile