DK146330C - Fremgangsmaade og apparat til transmission med ulineaer niveautransmissionskarakteristik i et taletransmissionsanlaeg med kompanderet deltamodulation - Google Patents

Fremgangsmaade og apparat til transmission med ulineaer niveautransmissionskarakteristik i et taletransmissionsanlaeg med kompanderet deltamodulation

Info

Publication number
DK146330C
DK146330C DK155074A DK155074A DK146330C DK 146330 C DK146330 C DK 146330C DK 155074 A DK155074 A DK 155074A DK 155074 A DK155074 A DK 155074A DK 146330 C DK146330 C DK 146330C
Authority
DK
Denmark
Prior art keywords
transmission
ulinar
companded
plant
level
Prior art date
Application number
DK155074A
Other languages
Danish (da)
English (en)
Other versions
DK146330B (da
Inventor
Peter Leslie Smith
Original Assignee
Ericsson L M Pty Ltd
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 Ericsson L M Pty Ltd filed Critical Ericsson L M Pty Ltd
Publication of DK146330B publication Critical patent/DK146330B/da
Application granted granted Critical
Publication of DK146330C publication Critical patent/DK146330C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
DK155074A 1973-03-21 1974-03-21 Fremgangsmaade og apparat til transmission med ulineaer niveautransmissionskarakteristik i et taletransmissionsanlaeg med kompanderet deltamodulation DK146330C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB268773 1973-03-21
AUPB268773 1973-03-21

Publications (2)

Publication Number Publication Date
DK146330B DK146330B (da) 1983-09-05
DK146330C true DK146330C (da) 1984-03-26

Family

ID=3765655

Family Applications (1)

Application Number Title Priority Date Filing Date
DK155074A DK146330C (da) 1973-03-21 1974-03-21 Fremgangsmaade og apparat til transmission med ulineaer niveautransmissionskarakteristik i et taletransmissionsanlaeg med kompanderet deltamodulation

Country Status (14)

Country Link
US (1) US3995217A (en, 2012)
JP (1) JPS5027418A (en, 2012)
BE (1) BE812634A (en, 2012)
BR (1) BR7402222D0 (en, 2012)
CA (1) CA1064172A (en, 2012)
DE (1) DE2413679A1 (en, 2012)
DK (1) DK146330C (en, 2012)
ES (1) ES424492A1 (en, 2012)
FR (1) FR2222806B1 (en, 2012)
GB (1) GB1427459A (en, 2012)
HU (1) HU170812B (en, 2012)
IT (1) IT1007418B (en, 2012)
NL (1) NL7403838A (en, 2012)
SE (1) SE399159B (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190801A (en) * 1978-02-06 1980-02-26 Deltalab Research, Inc. Digital encoding circuitry
CN103344849B (zh) * 2013-05-31 2015-05-27 哈尔滨工业大学 一种获取随机解调硬件系统的感知矩阵的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL277910A (en, 2012) * 1961-05-02
US3500441A (en) * 1967-10-12 1970-03-10 Bell Telephone Labor Inc Delta modulation with discrete companding
US3609551A (en) * 1968-06-28 1971-09-28 Bell Telephone Labor Inc Discrete-continuous companding for a digital transmission system
US3582784A (en) * 1968-10-18 1971-06-01 Bell Telephone Labor Inc Delta modulation system
FR2098466A5 (en, 2012) * 1969-10-16 1972-03-10 Ibm France
FR2082740A5 (en, 2012) * 1970-03-25 1971-12-10 Trt Telecom Radio Electr
US3729678A (en) * 1971-07-20 1973-04-24 Philips Corp Pcm system including a pulse pattern analyzer

Also Published As

Publication number Publication date
ES424492A1 (es) 1976-06-01
US3995217A (en) 1976-11-30
HU170812B (hu) 1977-09-28
BE812634A (fr) 1974-07-15
GB1427459A (en) 1976-03-10
SE399159B (sv) 1978-01-30
DK146330B (da) 1983-09-05
FR2222806A1 (en, 2012) 1974-10-18
CA1064172A (en) 1979-10-09
IT1007418B (it) 1976-10-30
JPS5027418A (en, 2012) 1975-03-20
DE2413679A1 (de) 1974-10-10
FR2222806B1 (en, 2012) 1977-10-07
BR7402222D0 (pt) 1974-12-03
NL7403838A (en, 2012) 1974-09-24

Similar Documents

Publication Publication Date Title
NO138230C (no) Fremgangsmaate og apparat for optisk maalfoelging
IT1056772B (it) Metodo ed apparato per alimentape combustibile in modo dosato
NO812015L (no) Fremgangsmaate og apparat for maaling av gammastraaler i et borehull.
FR2295693A1 (fr) Procede et dispositif pour la culture hydroponique
DK144590C (da) Fremgangsmaade og apparat til komprimering og toerring af flydende slam med indhold af fibre
NO171150C (no) Fremgangsmaate og apparat til fremstilling av et formlegeme av plast
NO740692L (no) Fremgangsmåte og apparat for rensing av brukte oljer.
DK469579A (da) Fremgangsmaade og apparat til fremstilling af biogas
DK143051C (da) Fremgangsmaade og apparat til filettering af fisk
DK137488B (da) Fremgangsmåde og apparat til forbindelse af polyolefinrør med forskelligt smelteindeks med hinanden.
DK138629B (da) Fremgangsmåde og apparat til formning af mursten.
FR2288572A1 (fr) Procede et dispositif de fabrication de poulies multigorges
CA987498A (en) Method and apparatus for making an endless power transmission belt
ZA765782B (en) Method and apparatus for making power transmission beltin
DK144642C (da) Fremgangsmaade til kontinuerlig aerob fermentering af en kultur og apparat til udoevelse af fremgangsmaaden
DK418375A (da) Apparat og fremgangsmade til smeltespinding
FR2291634A1 (fr) Procede et dispositif de compensation de puissance reactive
DK146330C (da) Fremgangsmaade og apparat til transmission med ulineaer niveautransmissionskarakteristik i et taletransmissionsanlaeg med kompanderet deltamodulation
DK145537C (da) Fremgangsmaade og apparat til fremstilling af planglas
DK157638C (da) Fremgangsmaade og apparat til impraegnering af et kabellegeme
JPS5219788A (en) Method and apparatus for polymerizing alphaaalkene
DK131763B (da) Fremgangsmåde og apparat til fremstilling af en støbeform.
DK142134C (da) Fremgangsmaade og apparat til kloevning af kunststenemner
DK147811C (da) Apparat til haevning og saenkning af et pattekoppesaet i en malkemaskine
DK127802B (da) Fremgangsmåde og apparat til fremstilling af børster.

Legal Events

Date Code Title Description
PBP Patent lapsed