BE815408A - Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information - Google Patents

Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information

Info

Publication number
BE815408A
BE815408A BE144635A BE144635A BE815408A BE 815408 A BE815408 A BE 815408A BE 144635 A BE144635 A BE 144635A BE 144635 A BE144635 A BE 144635A BE 815408 A BE815408 A BE 815408A
Authority
BE
Belgium
Prior art keywords
information signal
characterize
variations
pulse code
code groups
Prior art date
Application number
BE144635A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE815408A publication Critical patent/BE815408A/xx

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)
BE144635A 1973-05-24 1974-05-22 Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information BE815408A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE815408A true BE815408A (fr) 1974-11-22

Family

ID=19818935

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144635A BE815408A (fr) 1973-05-24 1974-05-22 Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information

Country Status (8)

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

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
DK135019B (da) 1977-02-21
AU6912874A (en) 1975-11-20
NL7307237A (nl) 1974-11-26
DE2422926B2 (de) 1977-03-17
DK135019C (nl) 1977-07-11
SE388520B (sv) 1976-10-04
DK277674A (nl) 1975-01-13
DE2422926A1 (de) 1974-12-12
CA1023864A (en) 1978-01-03
FR2231158B1 (nl) 1979-03-09
JPS5042774A (nl) 1975-04-18
FR2231158A1 (nl) 1974-12-20

Similar Documents

Publication Publication Date Title
FR2431707B1 (fr) Dispositif d'autocorrelation d'intervalle de repetition d'impulsion
FR2299734A1 (fr) Dispositif de conversion d'energie
BE817045A (fr) Montage pour la conversion de signaux analogiques en signaux pcm et de signaux pcm en signaux analogiques
FR2335267A1 (fr) Dispositif collecteur de fluides
FR2302280A1 (fr) Dispositif pour convertir en substances inoffensives des substances
BE784857A (fr) Modulateur de signaux par impulsions codees comportant un convertisseurd'amplitude a caracteristique coudee
BE814108A (fr) Dispositif pour la recherche
FR2329167A5 (fr) Dispositif d'echantillonnage
FR2284215A1 (fr) Dispositif de conversion alternatif-continu
BE815408A (fr) Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information
FR2325242A1 (fr) Dispositif de reverberation
SE7509780L (sv) Signalomvandlingsanordning
IT1194099B (it) Dispositivo per digitalizzare un segnale analogico
BE800575A (fr) Dispositif de comptage par ultra-sons
RO64511A (fr) Dispositif d'etancheite
BE812409A (fr) Dispositif d'encollage de copeaux
BE819336A (fr) Dispositif pour indiquer la temperature d'elements galvaniques
IT1027921B (it) Dispositivo per la conversione di un segnale analogico in arrivo in un segnale a modulazione di impulsi a codice in uscita
BE822117A (fr) Dispositif enregistreur
BE812115A (fr) Dispositif d'alarme
FR2330210A1 (fr) Dispositif perfectionne de conversion d'informations analogiques en informations numeriques
BE810068A (fr) Dispositif de raccordement
BE810370A (fr) Dispositif formant un rapporteur d'angles
BE805493A (fr) Dispositif de mise en compression d'estresillons
BE838511A (fr) Dispositif permettant la transmission de signaux d'information au moyen de la modulation par codage d'impulsions