DK135019B - Anlæg til omformning af PKM-eksempleringer af et informationssignal til impulskodegrupper, der karakteriserer ændringer i informationssignalets øjebliksværdi. - Google Patents

Anlæg til omformning af PKM-eksempleringer af et informationssignal til impulskodegrupper, der karakteriserer ændringer i informationssignalets øjebliksværdi.

Info

Publication number
DK135019B
DK135019B DK277674A DK277674A DK135019B DK 135019 B DK135019 B DK 135019B DK 277674 A DK277674 A DK 277674A DK 277674 A DK277674 A DK 277674A DK 135019 B DK135019 B DK 135019B
Authority
DK
Denmark
Prior art keywords
information signal
pkm
installations
samples
converting
Prior art date
Application number
DK277674A
Other languages
English (en)
Other versions
DK135019C (da
DK277674A (da
Inventor
Ludwig Desire Johan Eggermont
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK277674A publication Critical patent/DK277674A/da
Publication of DK135019B publication Critical patent/DK135019B/da
Application granted granted Critical
Publication of DK135019C publication Critical patent/DK135019C/da

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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0614—Non-recursive filters using Delta-modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0657—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
DK277674A 1973-05-24 1974-05-21 Anlæg til omformning af PKM-eksempleringer af et informationssignal til impulskodegrupper, der karakteriserer ændringer i informationssignalets øjebliksværdi. DK135019B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307237A NL7307237A (da) 1973-05-24 1973-05-24

Publications (3)

Publication Number Publication Date
DK277674A DK277674A (da) 1975-01-13
DK135019B true DK135019B (da) 1977-02-21
DK135019C DK135019C (da) 1977-07-11

Family

ID=19818935

Family Applications (1)

Application Number Title Priority Date Filing Date
DK277674A DK135019B (da) 1973-05-24 1974-05-21 Anlæg til omformning af PKM-eksempleringer af et informationssignal til impulskodegrupper, der karakteriserer ændringer i informationssignalets øjebliksværdi.

Country Status (8)

Country Link
JP (1) JPS5042774A (da)
BE (1) BE815408A (da)
CA (1) CA1023864A (da)
DK (1) DK135019B (da)
FR (1) FR2231158B1 (da)
GB (1) GB1455733A (da)
NL (1) NL7307237A (da)
SE (1) SE388520B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176211C (nl) * 1974-09-16 1985-03-01 Philips Nv Interpolerend digitaal filter.
FR2326823A1 (fr) * 1975-10-02 1977-04-29 Tech Electro Fse Procede et dispositif pour le traitement de trames de reception dans une chaine de parole d'une unite de raccordement d'abonnes dans un central de telecommunications
GB2133238A (en) * 1982-12-10 1984-07-18 Marconi Co Ltd Coder/decoder arrangements
JPS6354827A (ja) * 1986-08-26 1988-03-09 Sony Corp 差分ｐｃｍ信号形成回路

Also Published As

Publication number Publication date
GB1455733A (en) 1976-11-17
AU6912874A (en) 1975-11-20
NL7307237A (da) 1974-11-26
DE2422926B2 (de) 1977-03-17
DK135019C (da) 1977-07-11
SE388520B (sv) 1976-10-04
DK277674A (da) 1975-01-13
DE2422926A1 (de) 1974-12-12
CA1023864A (en) 1978-01-03
FR2231158B1 (da) 1979-03-09
JPS5042774A (da) 1975-04-18
BE815408A (fr) 1974-11-22
FR2231158A1 (da) 1974-12-20

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