NO136662C - Anordning for omforming av et analogt innsignal til et pcm-utsignal. - Google Patents

Anordning for omforming av et analogt innsignal til et pcm-utsignal.

Info

Publication number
NO136662C
NO136662C NO744617A NO744617A NO136662C NO 136662 C NO136662 C NO 136662C NO 744617 A NO744617 A NO 744617A NO 744617 A NO744617 A NO 744617A NO 136662 C NO136662 C NO 136662C
Authority
NO
Norway
Prior art keywords
transforming
analog input
pcm output
pcm
output
Prior art date
Application number
NO744617A
Other languages
English (en)
Norwegian (no)
Other versions
NO744617L (it
NO136662B (it
Inventor
Gunnar Erik Willia Sparrendahl
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO744617L publication Critical patent/NO744617L/no
Publication of NO136662B publication Critical patent/NO136662B/no
Publication of NO136662C publication Critical patent/NO136662C/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
    • H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
NO744617A 1973-12-21 1974-12-20 Anordning for omforming av et analogt innsignal til et pcm-utsignal. NO136662C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7317374A SE381786B (sv) 1973-12-21 1973-12-21 Anordning for omvandling av en analog insignal till en pcm-utsignal innefattande en deltam-kodare

Publications (3)

Publication Number Publication Date
NO744617L NO744617L (it) 1975-07-21
NO136662B NO136662B (it) 1977-07-04
NO136662C true NO136662C (no) 1977-10-12

Family

ID=20319488

Family Applications (1)

Application Number Title Priority Date Filing Date
NO744617A NO136662C (no) 1973-12-21 1974-12-20 Anordning for omforming av et analogt innsignal til et pcm-utsignal.

Country Status (13)

Country Link
US (1) US3962636A (it)
BR (1) BR7410610D0 (it)
CA (1) CA1037168A (it)
DE (1) DE2460210B2 (it)
DK (1) DK140776B (it)
ES (1) ES433188A1 (it)
FI (1) FI56292C (it)
FR (1) FR2255752B1 (it)
GB (1) GB1489367A (it)
IT (1) IT1027921B (it)
NL (1) NL188319C (it)
NO (1) NO136662C (it)
SE (1) SE381786B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616349A (en) * 1982-11-22 1986-10-07 Mobil Oil Corporation Analog-to-digital converter for seismic exploration using delta modulation
GB2133238A (en) * 1982-12-10 1984-07-18 Marconi Co Ltd Coder/decoder arrangements
CA1271995A (en) * 1984-07-05 1990-07-24 Nec Corporation Method and apparatus for converting an analog signal to a digital signal using an oversampling technique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710056A (en) * 1966-05-25 1973-01-09 Nippon Electric Co Time-division multiplex delta-modulation communication system
JPS513468B1 (it) * 1970-10-28 1976-02-03
FR2116224B1 (it) * 1970-10-29 1974-10-31 Ibm France

Also Published As

Publication number Publication date
GB1489367A (en) 1977-10-19
AU7611774A (en) 1976-06-10
IT1027921B (it) 1978-12-20
DK669574A (it) 1975-08-18
FI357274A (it) 1975-06-22
DK140776B (da) 1979-11-12
CA1037168A (en) 1978-08-22
NL188319B (nl) 1991-12-16
DE2460210A1 (de) 1975-07-03
NO744617L (it) 1975-07-21
BR7410610D0 (pt) 1975-09-02
FR2255752A1 (it) 1975-07-18
NL188319C (nl) 1992-05-18
NO136662B (it) 1977-07-04
NL7416423A (nl) 1975-06-24
FI56292B (fi) 1979-08-31
DK140776C (it) 1980-05-05
SE381786B (sv) 1975-12-15
DE2460210B2 (de) 1976-10-28
FR2255752B1 (it) 1978-07-07
SE7317374L (it) 1975-06-23
US3962636A (en) 1976-06-08
ES433188A1 (es) 1976-11-16
FI56292C (fi) 1979-12-10

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