BE677521A - - Google Patents

Info

Publication number
BE677521A
BE677521A BE677521DA BE677521A BE 677521 A BE677521 A BE 677521A BE 677521D A BE677521D A BE 677521DA BE 677521 A BE677521 A BE 677521A
Authority
BE
Belgium
Prior art keywords
frequency
normal
speed
recording
transmission
Prior art date
Application number
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 BE677521A publication Critical patent/BE677521A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/18Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/002Special television systems not provided for by H04N7/007 - H04N7/18

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
BE677521D 1965-12-04 1966-03-09 BE677521A (esLanguage)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1676065 1965-12-04

Publications (1)

Publication Number Publication Date
BE677521A true BE677521A (esLanguage) 1966-08-01

Family

ID=4419978

Family Applications (1)

Application Number Title Priority Date Filing Date
BE677521D BE677521A (esLanguage) 1965-12-04 1966-03-09

Country Status (1)

Country Link
BE (1) BE677521A (esLanguage)

Similar Documents

Publication Publication Date Title
FR2459589A1 (fr) Systeme de reponse par frequence vocale
FR2628918A1 (fr) Dispositif annuleur d'echo a filtrage en sous-bandes de frequence
MC1370A1 (fr) Dispositif pour faire,au moyen du telephone,des mises sur loto et sur autres jeux de hasard autorises
EP0130263B1 (fr) Procédé d'initialisation d'un filtre annuleur d'écho et système de communication utilisant ledit procédé
EP0054450B1 (fr) Perfectionnements aux dispositifs de prothèse auditive
WO1997012467A1 (fr) Procede et systeme pour generer et transmettre rapidement, a l'aide de frequences vocales, une sequence de caracteres
BE677521A (esLanguage)
GB284717A (en) An electro-magnetic device permitting the practical realisation of television
EP0188030B1 (fr) Procédé de codage et de décodage d'informations audio et appareil pour sa mise en oeuvre
JPS5937761A (ja) 自動ダイヤル装置の番号記憶およびダイヤル発信方式
US20040022370A1 (en) Systems and methods for monitoring audio
BE437461A (esLanguage)
US20080199019A1 (en) Method and System for Reproducing an Audio Signal
CN119906839A (zh) 直播方法、装置、电子设备及存储介质
DE19620624A1 (de) Kommunikationsendgerät mit Vorrichtung zur akustischen Signalisierung eines vermittlungstechnischen Zustandes
PL363010A1 (en) Method and device for connection without telephone number disclosure
Burger Obtaining evidence for trial in the United States
CN1204508C (zh) 小广告警示系统
CH287413A (fr) Installation d'écoute personnelle.
FR2818478A1 (fr) Procede et systeme de communication vers au moins un auditeur
JPH01278150A (ja) ディジタル通信端末
BE1011064A6 (fr) Systeme de telecopie certifiee.
FR2550673A1 (fr) Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem
AmEX SMPTE Now Offers Digital Cinema and HDTV Test Materials from the DCI-ASC Mini-Movie Under License
FR2739514A1 (fr) Procede et systeme pour generer et transmettre rapidement, a l'aide de frequences vocales, une sequence de caracteres