CH356496A - Anlage zur Signalgebung mittels elektrischer Impulse - Google Patents

Anlage zur Signalgebung mittels elektrischer Impulse

Info

Publication number
CH356496A
CH356496A CH356496DA CH356496A CH 356496 A CH356496 A CH 356496A CH 356496D A CH356496D A CH 356496DA CH 356496 A CH356496 A CH 356496A
Authority
CH
Switzerland
Prior art keywords
signaling
electrical impulses
impulses
electrical
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
William Cattermole Kenneth
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH356496A publication Critical patent/CH356496A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
CH356496D 1956-12-14 1957-11-21 Anlage zur Signalgebung mittels elektrischer Impulse CH356496A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB356496X 1956-12-14

Publications (1)

Publication Number Publication Date
CH356496A true CH356496A (de) 1961-08-31

Family

ID=10380062

Family Applications (1)

Application Number Title Priority Date Filing Date
CH356496D CH356496A (de) 1956-12-14 1957-11-21 Anlage zur Signalgebung mittels elektrischer Impulse

Country Status (4)

Country Link
BE (1) BE563171A (en(2012))
CH (1) CH356496A (en(2012))
DE (1) DE1046115B (en(2012))
GB (1) GB806086A (en(2012))

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE521897A (en(2012)) * 1952-08-03

Also Published As

Publication number Publication date
DE1046115B (de) 1958-12-11
BE563171A (en(2012))
GB806086A (en) 1958-12-17

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