CH366073A - Circuit arrangement for the transmission and evaluation of different signal streams, in particular for digit identification when transmitting information in systems of communication technology - Google Patents

Circuit arrangement for the transmission and evaluation of different signal streams, in particular for digit identification when transmitting information in systems of communication technology

Info

Publication number
CH366073A
CH366073A CH7032259A CH7032259A CH366073A CH 366073 A CH366073 A CH 366073A CH 7032259 A CH7032259 A CH 7032259A CH 7032259 A CH7032259 A CH 7032259A CH 366073 A CH366073 A CH 366073A
Authority
CH
Switzerland
Prior art keywords
evaluation
systems
transmission
circuit arrangement
communication technology
Prior art date
Application number
CH7032259A
Other languages
German (de)
Inventor
Peter Dipl Ing Gerke
Otto Dipl Ing Kneisel
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH366073A publication Critical patent/CH366073A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Dc Digital Transmission (AREA)
  • Measurement Of Current Or Voltage (AREA)
CH7032259A 1958-03-10 1959-03-04 Circuit arrangement for the transmission and evaluation of different signal streams, in particular for digit identification when transmitting information in systems of communication technology CH366073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES57271A DE1055060B (en) 1958-03-10 1958-03-10 Circuit arrangement for receiving and evaluating different signal currents in the transmission of information, especially in systems of communication technology

Publications (1)

Publication Number Publication Date
CH366073A true CH366073A (en) 1962-12-15

Family

ID=7491691

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7032259A CH366073A (en) 1958-03-10 1959-03-04 Circuit arrangement for the transmission and evaluation of different signal streams, in particular for digit identification when transmitting information in systems of communication technology

Country Status (6)

Country Link
BE (1) BE575976A (en)
CH (1) CH366073A (en)
DE (1) DE1055060B (en)
FR (1) FR1229795A (en)
GB (1) GB906158A (en)
NL (1) NL236432A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665489A (en) * 1969-06-06 1972-05-23 Ericsson Telefon Ab L M Telephone instrument for voice frequency choice of number

Also Published As

Publication number Publication date
DE1055060B (en) 1959-04-16
GB906158A (en) 1962-09-19
BE575976A (en) 1959-06-15
FR1229795A (en) 1960-09-09
NL236432A (en)

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