CH258153A - Procédé et dispositif de transmission d'appels. - Google Patents

Procédé et dispositif de transmission d'appels.

Info

Publication number
CH258153A
CH258153A CH258153DA CH258153A CH 258153 A CH258153 A CH 258153A CH 258153D A CH258153D A CH 258153DA CH 258153 A CH258153 A CH 258153A
Authority
CH
Switzerland
Prior art keywords
transmitting calls
calls
transmitting
Prior art date
Application number
Other languages
English (en)
Inventor
D Electricite Compagn Generale
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH258153A publication Critical patent/CH258153A/fr

Links

Classifications

    • 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
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/02—Apparatus or circuits at the transmitting end
    • H04L17/04—Apparatus or circuits at the transmitting end with keyboard co-operating with code-bars
    • H04L17/06—Contact operating means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
CH258153D 1945-07-05 1946-06-07 Procédé et dispositif de transmission d'appels. CH258153A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997292T 1945-07-05

Publications (1)

Publication Number Publication Date
CH258153A true CH258153A (fr) 1948-11-15

Family

ID=9558516

Family Applications (1)

Application Number Title Priority Date Filing Date
CH258153D CH258153A (fr) 1945-07-05 1946-06-07 Procédé et dispositif de transmission d'appels.

Country Status (4)

Country Link
BE (1) BE465816A (fr)
CH (1) CH258153A (fr)
FR (1) FR997292A (fr)
GB (1) GB665816A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954788C (de) * 1951-04-06 1956-12-20 Autelca Ag Fernschreibmaschine fuer automatischen Fernschreibvermittlungsbetrieb
US4384526A (en) * 1981-03-24 1983-05-24 Cilinderscreen Holland B.V. Cylinder screen printing machine with means for controlling the movement of the paper holding clips

Also Published As

Publication number Publication date
GB665816A (en) 1952-01-30
BE465816A (fr)
FR997292A (fr) 1952-01-03

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